Brother DCP-9055CDN Service Manual Download Page 458

Page: 458 / 532

5-59

Confidential

Press the

button while the number of times that the consumable part has been

replaced is displayed, the date last time the consumable part was replaced is displayed.
Press the

button again, and the number of times the consumable part has been

replaced is displayed again.

LCD

Description

Toner

items

YTN_PG1:

Number of printed pages by yellow toner

YTN_PG2:

Number of printed pages before previous reset of
yellow toner

YTN_ERM: Remaining

toner

amount of yellow toner

(the calculated value in dots)

YTN_RRM: Remaining

toner

amount of yellow toner

(the remaining amount based on the number of
rotations of the developer roller)

YTN_CH: *

Number of times the yellow toner has been replaced/
Date of last replacement

YTN_RND: Yellow

toner

developer roller count

KTN_PG1:

Number of printed pages by black toner

KTN_PG2:

Number of printed pages before previous reset of
black toner

KTN_ERM:

Remaining toner amount of black toner
(the calculated value in dots)

KTN_RRM: Remaining

toner

amount of black toner

(the remaining amount based on the number of
rotations of the developer roller)

KTNR_CH: *

Number of times the black toner has been replaced/
Date of last replacement

KTN_RND:

Black toner developer roller count

Other

replacing

part related

items

WTNR_PG:

Printed pages by waste toner box

WTNR_CH: *

Number of times the waste toner box has been
replaced/Date of last replacement

BCLN:

Number of rotations of the belt cleaner roller

BELT_PG:

Printed pages by belt unit

BELT_CH:

Number of times the belt unit has been replaced

PFMP_PG:

Printed pages by MP paper feeding kit

PFMP_CH:

Number of times the MP paper feeding kit has been
replaced

PFK1_PG:

Printed pages by paper feeding kit1

PFK1_CH:

Number of times the paper feeding kit1 has been
replaced

PFK2_PG:

Printed pages by paper feeding kit2

PFK2_CH:

Number of times the paper feeding kit2 has been
replaced

Summary of Contents for DCP-9055CDN

Page 1: ...01 Brother Color Laser MFC SERVICE MANUAL MODEL DCP 9055CDN 9270CDN MFC 9460CDN 9465CDN MFC 9560CDW 9970CDW Read this manual thoroughly before maintenance work Keep this manual in a convenient place for quick and easy reference at all times ...

Page 2: ...ed trademarks of Citrix Systems Inc in the United States Intel Intel Xeon and Pentium are trademarks or registered trademarks of Intel Corporation AMD AMD Athlon AMD Opteron and combinations thereof are trademarks of Advanced Micro Devices Inc PictBridge is a trademark Each company whose software title is mentioned in this manual has a Software License Agreement specific to its proprietary program...

Page 3: ... 10 1 8 FAX Only for the models with FAX function 1 10 1 9 Copy 1 11 1 10 Scanner 1 12 1 11 Unscannable Area 1 13 1 12 USB Direct Interface 1 13 CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING 1 INTRODUCTION 2 1 1 1 Precautions 2 1 1 2 Initial Check 2 2 2 OVERVIEW 2 4 2 1 Cross section Drawing 2 4 2 2 Paper Feeding 2 7 2 3 Operation of Each Part 2 10 2 4 Block Diagram 2 12 2 5 Components 2 13 2 6 L...

Page 4: ...aper jam 2 128 3 9 4 Wrinkles 2 129 3 10 Scanning Image Defect Troubleshooting 2 130 3 10 1 Image defect examples 2 130 3 10 2 Troubleshooting image defect 2 130 3 11 Troubleshooting of the Control Panel 2 133 3 11 1 Nothing is displayed on the LCD 2 133 3 11 2 The control panel does not work 2 133 3 11 3 Lamp malfunction 2 134 3 11 4 The touch panel does not work Touch panel model only 2 134 3 12...

Page 5: ... ROUTING 3 11 8 DISASSEMBLY FLOW 3 25 9 DISASSEMBLY PROCEDURE 3 27 9 1 Paper Tray 3 28 9 2 Back Cover Back Cover Stopper Arm L R 3 29 9 3 Fuser Cover 3 32 9 4 Fuser Unit 3 34 9 5 Side Cover L Access Cover 3 37 9 6 Side Cover R ASSY 3 40 9 7 Duplex Feed ASSY 3 42 9 8 MP Cover ASSY MP Paper Guide ASSY 3 43 9 9 MP Link L R 3 45 9 10 Front Cover Arm L R 3 46 9 11 Front Cover Release Button Front Cover...

Page 6: ...ule LCD Cover 3 98 9 36 Pull Arm Guide Lock Claw 3 100 9 37 Joint Cover Top Joint Film 3 101 9 38 NCU PCB ASSY 3 103 9 39 Back Cover Upper 3 105 9 40 Joint Cover 3 106 9 41 USB Host Relay PCB ASSY 3 108 9 42 Wireless LAN Holder Wireless LAN PCB 3 109 9 43 Speaker Unit Speaker Hold Spring 3 111 9 44 Joint Cover Base ASSY 3 113 9 45 Main PCB ASSY 3 115 9 46 Engine PCB ASSY 3 116 9 47 Laser Unit 3 11...

Page 7: ...id 3 170 9 75 T1 Paper Edge Sensor PCB ASSY T1 Paper Edge Actuator T1 Paper Edge Actuator Spring 3 171 9 76 Cleaner Drive Gear 15 3 173 9 77 High voltage Power Supply PCB ASSY 3 174 9 78 Waste Toner Sensor 3 177 9 79 Air Duct Cover Blower 3 179 10 DISASSEMBLY PROCEDURE LT 300CL 3 181 10 1 T2 Paper Tray Unit 3 181 10 2 T2 Separation Roller ASSY Feed Roller ASSY 3 183 10 3 T2 Cover Rear 3 185 10 4 T...

Page 8: ...tenance Mode Code 83 4 6 2 3 Performing the Adjustment of Inter color Position Alignment Maintenance Mode Code 66 4 6 3 IF YOU REPLACE THE HIGH VOLTAGE POWER SUPPLY PCB ASSY 4 7 3 1 Sensitivity Adjustment of Density Sensor Maintenance Mode Code 72 4 7 3 2 Performing the Developing Bias Voltage Correction Maintenance Mode Code 83 4 7 3 3 Performing the Adjustment of Inter color Position Alignment M...

Page 9: ... code 10 11 5 12 1 4 7 Operational check of LCD Function code 12 5 16 1 4 8 Operational check of control panel button Function code 13 5 17 1 4 9 Software version check Function code 25 5 19 1 4 10 Operational check of sensors Function code 32 5 20 1 4 11 LAN connection status display Function code 33 5 24 1 4 12 PC print function Function code 43 5 25 1 4 13 Not disclosed to users functions Funct...

Page 10: ...e mode Function code 99 5 65 2 OTHER SERVICE FUNCTIONS 5 66 2 1 Developer Roller Counter Reset Function 5 66 2 2 Parts Life Reset Function 5 67 2 3 Deletion of User Setting Information etc 5 68 2 4 How to Recover from Errors of the Fuser Unit 5 69 2 5 Drum Cleaning 5 69 2 6 Deep Sleep Function 5 70 CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM 1 CIRCUIT DIAGRAMS 6 1 2 WIRING DIAGRAM 6 9 CHAPTER 7 PERI...

Page 11: ...iance with the essential requirements of Directives 1999 5 EC and 2005 32 EC The Declaration of Conformity DoC is on our Website Please go to http solutions brother com choose region eg Europe choose country choose your model choose Manuals choose Declaration of Conformity Select Language when required Declaration of Conformity Europe only DCP 9055CDN only We Brother Industries Ltd 15 1 Naeshiro c...

Page 12: ...completely Wiring Information U K only If you need to replace the plug fuse fit a fuse that is approved by ASTA to BS1362 with the same rating as the original fuse Always replace the fuse cover Never use a plug that does not have a cover If in any doubt call a qualified electrician Warning This product must be earthed The wires in the mains lead are coloured in line with the following code Green a...

Page 13: ... with the above recycling symbol It means that at the end of the life of the equipment you must dispose of it separately at an appropriate collection point and not place it in the normal domestic unsorted waste stream This will benefit the environment for all European Union only ...

Page 14: ...es cause harmful interference to radio or television reception which can be determined by turning the equipment off and on the user is encouraged to try to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna Increase the separation between the equipment and receiver Connect the equipment into an outlet on a circuit different from that to whi...

Page 15: ...l covers the laser beam cannot escape from the machine during any phase of user operation FDA Regulations 110 to 120 volt model only The USA Food and Drug Administration FDA has implemented regulations for laser products manufactured on and after August 2 1976 Compliance is mandatory for products marketed in the United States The following label on the back of the machine indicates compliance with...

Page 16: ...sible personal injury Electrical Hazard icons alert you to a possible electrical shock Hot Surface icons warn you not to touch machine parts that are hot Cautions specify procedures you must follow or avoid to prevent possible damage to the machine or other objects Note Notes tell you useful tips when servicing the machine Memo Memo tells you bits of knowledge to help understand the machine ...

Page 17: ...machine or replace parts make sure that you have turned off the power switch and unplugged the machine from the AC power outlet DO NOT handle the plug with wet hands Doing this might cause an electrical shock The fuser unit becomes extremely hot during operation Wait until it has cooled down sufficiently before replacing consumable items DO NOT remove or damage the caution label located on or arou...

Page 18: ...Doing this may cause a fire or electrical shock If the machine becomes hot blows smoke or generates obscure odor immediately turn off the power switch and unplug the machine from the AC power outlet If metal objects water or other liquids get inside the machine immediately turn off the power switch and unplug the machine from the AC power outlet This machine is heavy and weighs approximately 28 0 ...

Page 19: ...amage this product We recommend that you use a quality surge protection device on the AC power line or unplug the machine during a lightning storm Violently closing the top cover without mounting the toner cartridge and the drum unit can damage this product ...

Page 20: ...rmanently damage the eyes Since the beam is invisible the following caution label is attached on the laser unit CAUTION When the machine during servicing is operated with the cover open the regulations of VBG 93 and the performance instructions for VBG 93 are valid CAUTION In case of any trouble with the laser unit replace the laser unit itself To prevent direct exposure to the laser beam do not t...

Page 21: ...Confidential CHAPTER 1 SPECIFICATIONS ...

Page 22: ...al 1 1 1 2 Network Connectivity 1 6 1 3 Service Information 1 7 1 4 Supplies 1 8 1 5 Paper 1 9 1 5 1 Paper handling 1 9 1 5 2 Media specifications 1 9 1 6 Unprintable Area 1 10 1 7 Telephone 1 10 1 8 FAX Only for the models with FAX function 1 10 1 9 Copy 1 11 1 10 Scanner 1 12 1 11 Unscannable Area 1 13 1 12 USB Direct Interface 1 13 ...

Page 23: ...print time 1 Monochrome Less than 16 seconds Color Less than 16 seconds CPU StarSaphire SS1000 400 MHz Memory 128 MB 256 MB Interface Hi Speed USB 2 0 10BASE T 100BASE TX Ethernet Power consumption Copying For U S A Average Approximately 575 W Except for U S A Average Approximately 570 W Approximately 600 W Ready Average Approximately 70 W Average Approximately 100W Sleep Wireless LAN ON N A Deep ...

Page 24: ...Color Up to 28 30 ppm A4 Letter size When loading A4 or Letter size paper from the paper tray Two sided Monochrome Full Color Up to 7 7 ppm A4 Letter size When loading A4 or Letter size paper from the paper tray Warm up time From Sleep mode Less than 33 seconds From Power OFF ON Less than 35 seconds 23 C 73 4F First print time 1 Monochrome Less than 16 seconds Color Less than 16 seconds CPU StarSa...

Page 25: ...Storage 0 to 40 C Humidity Operating 20 to 80 Storage 10 to 90 Dimensions W x D x H Carton Size 585 x 676 x 660 mm 23 0 x 26 6 x 26 0 inch 663 x 699 x 705 mm 26 1 x 27 5 x 27 8 inch Machine Size 410 x 503 x 492 mm 16 1 x 19 8 x 19 4 inch 490 x 526 x 530 mm 19 3 x 20 7 x 20 9 inch Weights With Carton 32 0 kg 70 5 lb 34 0 kg 75 0 lb Without Carton With toner drum 26 5 kg 58 4 lb 30 0 kg 66 1 lb With...

Page 26: ...nal X64 Edition 1 4 64 bit Intel 64 or AMD64 supported CPU 256 MB 512 MB Windows Vista 4 Intel Pentium 4 Or equivalent 64 bit Intel 64 or AMD64 supported CPU 512 MB 1 GB 500 MB 1 2 GB Windows 7 4 1 GB 32 bit 2 GB 64 bit 1 GB 32 bit 2 GB 64 bit 650 MB Windows Server 2003 print only via network Intel Pentium III or equivalent 256 MB 512 MB 50 MB N A 10BASE T 100BASE TX Ethernet Wireless 802 11 b g W...

Page 27: ...dows XP and SP2 or higher for Windows Vista and Windows 7 Specifications are subject to change without notice Computer platform operating system version Processor Speed Minimum RAM Recom mended RAM Available Hard Disk Space Supported PC Interface 2 For Drivers For Applications Macintosh Operating System Mac OS X 10 4 11 10 5 x PowerPC G4 G5 Intel CoreTM Processor 512 MB 1GB 80 MB 400 MB USB 10BASE...

Page 28: ...Network security N A Model MFC 9460CDN MFC 9465CDN MFC 9560CDW MFC 9970CDW Wired network Network node type NC 6900h type2 Network type 10BASE T 100BASE TX Ethernet Wireless network Network node type N A IEEE802 11b g Infrastructure Mode Adhoc mode RF channels N A For U S A Canada 1 11 Except For U S A Canada 1 13 Communication mode N A Infrastructure Ad hoc Network security N A WEP 64 128 bit WPA ...

Page 29: ...ife Approximately 200 000 pages A4 Letter or 5 years Machine life ADF 50 000 pages or 5 years Machine life Document scanner unit 50 000 pages or 5 years Maximum monthly print volume Touch panel model 60 000 pages Non Touch panel model 40 000 pages Periodical replacement parts Fuser unit 100 000 pages Laser unit 100 000 pages Paper feeding kit1 100 000 pages Paper feeding kit2 100 000 pages Paper f...

Page 30: ...A Yellow Magenta Cyan Approximately 6 000 pages cartridge When printing A4 Letter size one sided pages in accordance with ISO IEC 19798 Shelf life 2 years without opening 6 months after opening Drum unit Life expectancy Approximately 25 000 3 pages drum unit The life expectancy varies according to the use condition Refer to Display of the machine log Function code 80 in Chapter 5 When printing A4 ...

Page 31: ...per tray 2 Plain Paper Thin Paper Recycled Paper MP tray Plain Paper Thin Paper Thick Paper Thicker Paper Recycled Paper Bond Label Envelope Env Thin Env Thick Glossy Paper 1 Duplex Plain Paper Thin Paper Recycled Paper Glossy Paper ADF Plain Paper Recycled Paper Media weight Paper tray 1 60 to 105 g m2 16 to 28 lb Paper tray 2 60 to 105 g m2 16 to 28 lb MP tray 60 to 163 g m2 16 to 43 lb Duplex 6...

Page 32: ...a that cannot be printed on may vary depending on the paper size and the printer driver you are using The unprintable area shown above is for Letter size paper Model All models Handset N A Model MFC 9460CDN MFC 9465CDN MFC 9560CDW MFC 9970CDW Modem Speed 33 600 bps FAX Transmission speed Approximately 2 5 seconds ITU Test Chart Std resolution JBIG ITU T group Super G3 Color FAX Sending Yes Not ava...

Page 33: ...e and standard Tray Color Less than 21 seconds from Ready mode and standard Tray Resolution Optical Up to 1200 x 600 dpi Auto duplex scanning copy N A Yes Model MFC 9460CDN MFC 9465CDN MFC 9560CDW MFC 9970CDW Copy Speed simplex FB ADF Monochrome Up to 24 25 cpm A4 Letter Up to 28 30 cpm A4 Letter Color First copy out time Monochrome Less than 19 seconds from Ready mode and standard Tray Color Less...

Page 34: ...nning 19 200 main scanning x 19 200 dpi sub scanning Scanning speed Monochrome Color A4 2 12 seconds Letter 1 99 seconds A4 1 79 seconds Letter 1 68 seconds Model MFC 9460CDN MFC 9465CDN MFC 9560CDW MFC 9970CDW Resolution Optical FB Maximum scanning 1 200 main scanning x 2 400 dpi sub scanning ADF Maximum scanning 1 200 main scanning x 600 dpi sub scanning Resolution Interpolated Maximum scanning ...

Page 35: ...tter 4 mm 0 16 inch 3 96 mm 0 15 inch A4 4 mm 0 16 inch 3 mm 0 12 inch Note For copies This unprintable area shown above is for a single copy or a 1 in 1 copy using A4 size paper The area that cannot be printed on may vary depending on the paper size Model DCP 9055CDN DCP 9270CDN PictBridge N A Direct print N A PDF version1 7 JPEG Exif JPEG PRN created by own printer driver TIFF scanned by Brother...

Page 36: ...Confidential CHAPTER 2 ERROR INDICATION AND TROUBLESHOOTING ...

Page 37: ...tial Check 2 2 2 OVERVIEW 2 4 2 1 Cross section Drawing 2 4 2 2 Paper Feeding 2 7 2 3 Operation of Each Part 2 10 2 4 Block Diagram 2 12 2 5 Components 2 13 2 6 Life of Toner Cartridge and Drum Unit 2 14 3 ERROR INDICATIONS 2 18 3 1 Error Codes 2 18 3 2 Error Messages 2 25 3 3 Communications Error Code 2 30 3 4 Error Cause and Remedy 2 33 3 5 Paper Feeding Problems 2 102 3 5 1 No feeding 2 102 3 5...

Page 38: ...y 2 134 3 12 Troubleshooting of FAX Functions 2 135 3 12 1 FAX can t send it 2 135 3 12 2 Speed dialing and One touch dialing can t be used 2 135 3 12 3 FAX cannot be transmitted and received 2 136 3 12 4 No bell ring 2 136 3 12 5 Speaker is silent during On hook dialing 2 136 3 12 6 Dialing function does not switch between Tone and Pulse 2 137 3 12 7 A communication error occurs 2 137 3 12 8 Rece...

Page 39: ...2 When connecting or disconnecting cable connectors make sure that you hold the connector body and not the cables 3 Static electricity charged in your body may damage electronic parts Before handling the PCBs touch a metal portion of the machine to discharge static electricity charged in your body When transporting PCBs be sure to wrap them in conductive sheets When replacing the PCBs put on a gro...

Page 40: ...sture or dust 4 Keep the machine horizontal when you carry it To prevent injuries when moving or lifting this machine make sure to use at least two people Fig 2 1 Power supply 1 The AC input power supply described on the rating plate of the machine should be within 10 of the rated voltage 2 The AC input power supply is within the regulated value 3 The cables and harnesses are connected correctly 4...

Page 41: ...urs to allow it to reach room temperature If the drum unit is unpacked soon after it is moved from a cold place to a warm room condensation may occur inside the unit which may cause incorrect images Instruct the user to allow the unit to come to room temperature before unpacking it This will take one or two hours 2 Low temperature The motor may not drive normally under the low temperature environm...

Page 42: ...oller 1 Duplex feed ASSY DX feed roller DX feed roller Belt unit T1 paper edge actuator MP paper empty actuator T1 paper pick up roller T1 separation pad T1 separation roller Registration rear actuator MP separation roller MP paper pick up roller Registration front actuator MP separation pad MP registration front actuator Registration roller Front Exposure drum Black Exposure drum Yellow Paper eje...

Page 43: ...ator Document sponge Ejection roller Exit pinch roller FB glass First side document hold First side scanning CIS Flap ADF BC Document feed Document feed Pinch roller Pressure Document second side rear sensor Second side document hold Scanner Separate roller Document pull in roller Document pull in roller holder Paper guide Pinch roller Second side scanning CIS Separation rubber side rear actuator ...

Page 44: ...it pinch roller FB glass First side document hold First side scanning CIS Flap ADF BC Document feed Pinch roller Second side Scanner Separate roller Document pull in roller Document pull in roller holder Paper guide Pinch roller Second side scanning CIS Separation rubber side rear actuator top cover Pressure Document first side rear sensor Document second side rear sensor roller ADF open actuator ...

Page 45: ...2 7 Confidential 2 2 Paper Feeding Printer part Fig 2 5 Paper eject from the back side DX path Paper tray 1 path Paper feed from the MP tray Front Back side ...

Page 46: ...2 8 Confidential ADF part A4 model Fig 2 6 Left side Right side Document feed path Face up ...

Page 47: ...2 9 Confidential ADF part Legal model Fig 2 7 Left side Right side Document feed path Face up ...

Page 48: ...he paper Heat roller Pressure roller Fuse and fix the toner transferred on paper by heat and pressure and feed the paper to the paper eject roller 1 Paper eject actuator Detect whether or not paper is ejected from the fuser unit In the case of the duplex printing detect the rear edge of paper and adjust the timing of the paper eject roller 3 switching Paper eject roller 1 Feed the paper ejected fr...

Page 49: ...document pull in roller into a single paper Document second side rear actuator Detect the front edge of the paper and adjust the scanning position of the second side Detect paper jam in the ADF Document feed roller Feed the paper to the CIS unit first side Document first side rear actuator Detect the front edge of the paper and adjust the scanning position of the first side Detect paper jam in the...

Page 50: ... PCB MP paper empty registration front sensor PCB T1 paper edge sensor PCB Belt unit temperature sensor FB motor ADF motor Document front ADF open sensor PCB Document first side rear sensor PCB Document second side rear sensor PCB Document scanner unit first side Second side scanning CIS Speaker NCU PCB FAX model only Back light module LCD Panel PCB Registration mark R PCB Registration mark L PCB ...

Page 51: ...ain PCB Top drive ASSY Base frame unit Registration Duplex feed Fuser cover Back cover Paper eject ASSY Paper tray High voltage power supply Low voltage power supply unit Power fan PCB ASSY mark sensor Waste toner box Belt unit Drum unit Toner cartridge holder ASSY ADF unit Panel unit Joint cover Joint cover top Document scanner unit MP paper PF cleaner drive ASSY Wireless LAN PCB guide ASSY ASSY ...

Page 52: ...nts of the print pattern specified by ISO IEC 24712 is shown in the table below At the point of in the figure above To avoid problems caused by the worn out of the developer roller surface and deterioration of the toner ceiling Replace Toner message is displayed and the print operation is prohibited when the number of the rotations of the developer roller reaches the upper limit even if toner rema...

Page 53: ...provided in this page are as of August 2010 These values are subject to change without prior notice Average print page page job 1 2 3 4 5 6 7 8 Cartridge life Standard K 1 750 2 762 3 421 3 885 4 229 4 494 4 705 4 876 Cartridge life Standard YMC 1 050 1 640 2 018 2 281 2 474 2 622 2 739 2 834 Cartridge life High K 2 800 4 419 5 474 6 216 6 766 7 190 7 528 7 802 Cartridge life High YMC 2 450 3 827 ...

Page 54: ...1 24 The number of drum rotations per one page continuous printing Example Starts to print when the machine is in the Ready state If you leave the machine without printing for a long time the number of drum rotations is increasing because the developing bias voltage correction and the color registration are performed If you print one page per one job every time after leaving the machine without pr...

Page 55: ... Pages Printed The total number of printed pages by paper size Available paper sizes are A4 Letter Legal Folio B5 Executive Envelope A5 and Others The maximum count is 1 million pages Total Pages Printed The total number of printed pages by paper type Available paper types are Plain Thin Recycled Thick Thicker Bond Envelope Env Thick Env Thin Label Hagaki and Glossy The maximum count is 1 million ...

Page 56: ...16 Paper of unsupported size for duplex printing or paper of different sizes is loaded 2 35 17 The paper tray 1 is not installed before printing The cassette of the T1 paper edge sensor is open 2 35 18 The paper tray 2 is not installed before printing The cassette of the T2 paper edge sensor is open 2 36 19 The drum unit reached the end of life 2 36 1A Condensation occurred on the laser unit 2 37 ...

Page 57: ...46 38 External temperature humidity sensor error 2 46 39 External temperature humidity sensor error 2 46 Error codes Problem Refer to 3A Engine PCB transfer error Communication error between the main CPU and sub CPU 2 46 3B Main PCB DRAM access error 2 47 3C Main PCB error Write error in NVRAM 2 47 3D Main PCB error Read error in NVRAM 2 47 3E Main PCB error Bus error in NVRAM 2 47 3F Write error ...

Page 58: ...at the length of the paper under printing was less than the specified value 2 54 Error codes Problem Refer to 5C It was detected that the size of the paper was less than the specified value 2 54 5D The belt unit will reach the end of life soon 2 54 5E Belt unit is at the end of life 2 54 5F The waste toner box near full The sensor detected that the waste toner became near full 2 55 60 Cyan toner c...

Page 59: ...rp temperature rise 2 60 78 Fuser unit error The center thermistor detects the sharp temperature fall 2 60 Error codes Problem Refer to 7A Engine PCB error detection of PF drive motor lock error 2 60 7B Engine PCB error 2 61 7C Communication error between the engine PCB and main PCB 2 61 7D Dirt on drum unit 2 61 7E Belt unit is at the end of life The operation is stopped 2 64 7F FAX paper size is...

Page 60: ...ed in the MP tray MP paper empty sensor fails to be turned ON 2 74 Error codes Problem Refer to 9D Detection of incorrect registration sensor measurement value when implementing adjustment of inter color position alignment 2 75 9E Toner of the color which is being used reaches the end of life when implementing adjustment of inter color position alignment 2 75 9F An unidentified error occurred 2 75...

Page 61: ...rd voltage failure at Low side 2 83 B9 Scanning light adjustment error 2 83 Error codes Problem Refer to BA Scanning outside light detection error 2 83 BB White level data error 2 84 BC Scanning failure upon FAX transmission Second side 2 84 BD Black level data error 2 84 BE The scanning area start edge detection error 2 84 BF The document is too long for ADF duplex feeding 2 85 C0 Failure to dete...

Page 62: ...EA Communication data error upon scanning 2 95 Error codes Problem Refer to EB Read error in EEPROM of the laser unit 2 96 EC Fuser fan error 2 96 ED Communication with the wireless LAN PCB cannot be established upon startup of the power supply 2 96 EE Unavailability of communication after connecting to the wireless LAN PCB is detected 2 97 EF The supplied power is unstable 2 97 F0 USB flash memor...

Page 63: ...ge C0 2 85 Failure to detect a new yellow toner cartridge C1 2 85 Failure to detect a new magenta toner cartridge C2 2 85 Failure to detect a new cyan toner cartridge C3 2 85 Condensation Condensation occurred on the laser unit 1A 2 37 Connection Error Connection Fail As the result that an access point is searched more than one access point is found As the result that an access point is searched t...

Page 64: ...r jam in the MP tray 8C 2 71 Jam Rear Paper jam at the rear section of the machine 84 2 66 Jam Tray 1 Paper jam in the paper tray 1 8A 2 69 Jam Tray 2 Paper jam in the paper tray 2 8B 2 70 Log Access Error Authentication error occurs File access error occurs Server timeout occurs Server time cannot be obtained when SNTP is used Low temperature Room temperature is low Machine Error F9 The country c...

Page 65: ...not be performed due to insufficient memory Registration Inter color position alignment adjustment failure Toner of the color which is being used reached the end of life 11 2 34 Inter color position alignment adjustment failure Incorrect measurement value of inter color position alignment adjustment 12 2 34 Error in the adjustment of inter color position alignment result when implementing it 8E 2 ...

Page 66: ...he sensor detected that the waste toner became full CF 2 90 Scan Unable XX Some kind of scanning error A5 BF 2 78 2 85 Self Diagnostic Fuser unit error After the error code 58 occurred a failure in the fuser unit is detected again upon start up 59 2 53 Short paper It was detected that the length of the paper under printing was less than the specified value 5B 2 54 Size Error A paper size which is ...

Page 67: ...ure engagement disengagement failure of toner cartridge C6 2 87 Too Many Files There are too many files stored on the USB flash memory drive Tray 2 Error Paper tray 2 pressing plate up down error C4 2 86 Unable to Update Execution of the program update cannot be started because other function is being executed Unusable Device USB device overcurrent error CA 2 88 Unsupported device Unusable File Th...

Page 68: ...ssion for 7 bits or more 2 137 20 04 Overrun detected 2 137 20 05 A frame for 3 seconds or more received 2 137 20 06 CRC error in answerback 2 137 20 07 Echo command received 2 137 20 08 Invalid command received 2 137 20 09 Command ignored once for document setting or for dumping out at turn around transmission 2 137 20 0A T5 time out error 2 137 20 0B CRP received 2 137 20 0C EOR and NULL receive...

Page 69: ...of background color 2 137 63 01 Password plus lower 4 digits of telephone number not coincident 2 137 63 02 Password not correct 2 137 63 03 Polling ID not correct 2 137 74 DCN received 2 137 80 01 Fallback impossible 2 137 90 01 Unable to detect video signals and commands within 6 seconds after CFR is transmitted 2 137 90 02 Received PPS containing invalid page count or block count 2 137 A0 03 Er...

Page 70: ...n before establishment of FAX communication 2 2 137 BF 02 Communication canceled by pressing the Stop Exit button after establishment of FAX communication 2 2 137 BF 03 Transmission canceled due to a scanning error caused by no document or document feed problem in ADF scanning in real time transmission 2 137 C0 01 No common modulation mode or failed to poll 2 137 C0 02 Unable to detect JM 2 137 C0...

Page 71: ...for models with a touch panel Perform the fine adjustment of touch panel Function code 61 2 Touch panel failure Replace the LCD unit 3 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Harness connection failure of LCD unit Check the harness connection of the LCD unit and reconnect it 2 LCD unit failure Replace the LCD unit 3 Main PCB failure Replace the main PCB ASSY Duplex Disabled ...

Page 72: ...th a new one Registration Registration failed Press Start and try again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Registration Registration failed Press Start and try again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Registration Registration failed See Troubleshooting chapter in User s Guide Step Cause Remedy 1 Harness connection failure of registration mar...

Page 73: ...r catching on some position Correct the position of the registration rear actuator 2 Main PCB failure Replace the main PCB ASSY No Tray A Tray is not detected install Tray 1 Step Cause Remedy 1 T1 paper edge actuator catching on some position Check the T1 paper edge actuator and reinstall it 2 Harness connection failure of T1 paper edge sensor PCB ASSY Check the harness connection of the T1 paper ...

Page 74: ... Cause Remedy 1 T2 paper edge actuator catching on some position Check the T2 paper edge actuator and reinstall it 2 Harness connection failure of T2 sensor PCB ASSY Check the harness connection of the T2 sensor PCB ASSY and reconnect it 3 Harness connection failure of T2 Relay PCB ASSY Check the harness connection of the T2 Relay PCB ASSY and reconnect it 4 T2 sensor PCB ASSY failure Replace the ...

Page 75: ...llation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Condensation Leave switched ON Fully open the front cover Wait 30 minutes switch OFF and close cover then switch ON Step Cause Remedy 1 Engine PCB failure Replace the engine PCB ASSY 2 Main PCB failure Replace the main PCB ASSY Drum Stop We canno...

Page 76: ...al use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Replace Parts Drum Unit Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Too Many Trays Maximum number of optional tray is one Remove additional trays Step Cause Remedy 1 Main ...

Page 77: ...ble 20 Turn the power off and then back on again Print Unable 21 Turn the power off and then back on again Print Unable 22 Turn the power off and then back on again Print Unable 23 Turn the power off and then back on again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Print Unable 24 Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure of intern...

Page 78: ...gain after a while Error code 27 PF drive motor error User Check Turn OFF the power switch and turn it ON again after a while Print Unable 25 Turn the power off and then back on again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Print Unable 26 Turn the power off and then back on again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Print Unable 27 Turn the power o...

Page 79: ... Drum drive motor failure Replace the drum drive motor 3 Engine PCB failure Replace the engine PCB ASSY 4 Low voltage power supply PCB failure Replace the low voltage power supply PCB ASSY 5 Main PCB failure Replace the main PCB ASSY Print Unable 29 Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure of paper eject motor Check the harness connection of the pape...

Page 80: ... 2 Develop release motor failure Replace the develop release motor 3 Engine PCB failure Replace the engine PCB ASSY 4 Low voltage power supply PCB failure Replace the low voltage power supply PCB ASSY 5 Main PCB failure Replace the main PCB ASSY Print Unable 2B Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure of blower Check the harness connection of the blo...

Page 81: ... Print Unable 2D Turn the power off and then back on again Print Unable 2E Turn the power off and then back on again Print Unable 2F Turn the power off and then back on again Step Cause Remedy 1 Toner New sensor PCB failure Check the sensor performance following the procedure described in Function code 32 If any problem occurs replace the Toner New sensor PCB ASSY 2 Engine PCB failure Replace the ...

Page 82: ... ASSY 3 Main PCB failure Replace the main PCB ASSY Print Unable 32 Turn the power off and then back on again Step Cause Remedy 1 Foreign object around registration mark sensor shutter Remove the foreign object 2 Harness connection failure of registration mark sensor holder ASSY Check the harness connection of the registration mark sensor holder ASSY and reconnect it 3 Harness connection failure of...

Page 83: ...y voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Error code 36 Error in the high voltage power supply PCB while the machine is in the standby mode Print Unable 33 Turn the power off and then back on again Print Unable 34 Turn the power off and then back on again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Print Unable...

Page 84: ...ion mark sensor holder ASSY 3 Main PCB failure Replace the main PCB ASSY Print Unable 38 Turn the power off and then back on again Print Unable 39 Turn the power off and then back on again Step Cause Remedy 1 External temperature humidity sensor failure Replace the high voltage power supply PCB ASSY 2 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 3 Main PCB f...

Page 85: ...f the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Print Unable 3B Turn the power off and then back on again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY 2 Engine PCB failure Replace the engine PCB ASSY Print Unable 3C Turn the power off and then back on again Print Unable 3D Turn the power off and then ...

Page 86: ...ise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Print Unable 3F Turn the power off and then back on again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Print Unable 40 Turn the power off and then back on again Print Unable 42 Turn the power off and then bac...

Page 87: ...o Toner Open the Front Cover then install Toner Cartridge Yellow Y No Toner Open the Front Cover then install Toner Cartridge Magenta M No Toner Open the Front Cover then install Toner Cartridge Cyan C Step Cause Remedy 1 Toner New sensor PCB failure Check the sensor performance following the procedure described in Function code 32 If any problem occurs replace the Toner New sensor PCB ASSY 2 Engi...

Page 88: ...code 4E The magenta drum unit will reach the end of life soon Error code 4F The cyan drum unit will reach the end of life soon This error does not usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Replace Drum K Rep...

Page 89: ... is at the end of life Error code 55 Laser unit is at the end of life Replace Parts Drum Unit Replace Parts PF Kit MP Replace Parts PF Kit 1 Replace Parts PF Kit 2 Replace Parts Fuser Unit Replace Parts Laser Unit Step Cause Remedy 1 The part displayed on the LCD reached the end of life Replace the part displayed on the LCD and reset the counter of each part Refer to 2 2 Parts Life Reset Function ...

Page 90: ...ut Tray 1 completely Check inside the machine or open the Back Cover to remove the jammed paper Step Cause Remedy 1 Foreign object around paper eject Remove the foreign object 2 Foreign object around duplex feed ASSY Remove the foreign object 3 Coming off of back flapper ASSY Re assemble the back flapper ASSY 4 Duplex feed ASSY not assembled correctly Re assemble the duplex feed ASSY 5 Duplex pape...

Page 91: ...ure between fuser unit connector and paper eject sensor PCB ASSY Check the harness connection between the fuser unit connector and paper eject sensor PCB ASSY and reconnect it 2 Harness connection failure between fuser unit connector and low voltage power supply PCB ASSY Check the harness connection between the fuser unit connector and low voltage power supply PCB ASSY and reconnect it 3 Fuser uni...

Page 92: ...t unit will reach the end of life soon User Check Prepare a new belt unit Error code 5E Belt unit is at the end of life User Check Prepare a new belt unit Reset the belt counter Refer to 2 2 Parts Life Reset Function in Chapter 5 Short paper Open the Back Cover and then press Start Small paper Open the Back Cover and then press Start Step Cause Remedy 1 Engine PCB failure Replace the engine PCB AS...

Page 93: ...nnect it 3 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 4 Main PCB failure Replace the main PCB ASSY Replace Toner Open the Front Cover replace Toner Cartridge Cyan C Replace Toner Open the Front Cover replace Toner Cartridge Magenta M Replace Toner Open the Front Cover replace Toner Cartridge Yellow Y Replace Toner Open the Front Cover replace Toner Cartrid...

Page 94: ...usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Toner Low C Prepare New Cyan C Toner Cartridge Toner Low M Prepare New Magenta M Toner Cartridge Toner Low Y Prepare New Yellow Y Toner Cartridge Toner Low K Prepare...

Page 95: ...auses are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Print Unable 6A Turn the power off and then back on again Print Unable 6B Turn the power off and then back on again Print Unable 6C Turn the power off and then back on again Print Unable 6D Turn the power off and t...

Page 96: ...user unit failure Replace the fuser unit 3 Low voltage power supply PCB failure Replace the low voltage power supply PCB ASSY 4 Paper eject sensor PCB failure Replace the paper eject sensor PCB ASSY 5 Main PCB failure Replace the main PCB ASSY Print Unable 70 Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure of fuser develop motor Check the harness connection...

Page 97: ...urn the power off and then back on again Print Unable 72 Turn the power off and then back on again Print Unable 73 Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure of laser unit Check the harness connections at three locations of the laser unit and reconnect them 2 Laser unit failure Replace the laser unit 3 Engine PCB failure Replace the engine PCB ASSY 4 M...

Page 98: ...n OFF the power switch and turn it ON again after a while Cooling Down Wait for a while Step Cause Remedy 1 Internal temperature sensor failure Replace the internal temperature sensor 2 Main PCB failure Replace the main PCB ASSY Print Unable 76 Turn the power off and then back on again Print Unable 78 Turn the power off and then back on again Step Cause Remedy 1 Fuser unit failure Replace the fuse...

Page 99: ...on failure between engine PCB and main PCB Check the harness connection between the engine PCB ASSY and main PCB ASSY and reconnect it 2 Engine PCB failure Replace the engine PCB ASSY 3 Main PCB failure Replace the main PCB ASSY Print Unable 7C Turn the power off and then back on again Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Drum Error Slide the Green tab on Drum Unit in eac...

Page 100: ...2 62 Confidential Electrodes location of the drum unit and toner cartridge Fig 2 10 Electrodes location of the belt unit Fig 2 11 Erase lamp lens ...

Page 101: ...ine from the AC power outlet and leave the machine for a few minutes Then wipe the electrodes above carefully with a dry lint free cloth Be careful not to change the shapes of the electrodes Developer roller Exposure drum Belt transfer roller Belt cleaning roller Waste toner cleaner shaft Waste toner cleaner roller Paper powder cleaner Charging Corona wire Grid Erase lamp lens ...

Page 102: ...ion of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Error code 80 Fax paper size is incorrect The actually loaded paper is small User Check Use the A4 or Letter size paper Replace Belt Open the Front Cover replace the Belt Unit Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Size mismatch FAX received S...

Page 103: ...ser Check Replace the drum unit with a new one and reset the drum counter Refer to 2 2 Parts Life Reset Function in Chapter 5 Calibrate Calibration failed See Troubleshooting chapter in User s Guide Calibrate Calibration failed Press Start and try again Step Cause Remedy 1 Foreign object is affixed around the density sensor Remove the foreign object affixed around the density sensor 2 Density sens...

Page 104: ...t motor and reconnect it 5 Paper eject sensor PCB failure Check the sensor performance following the procedure described in Function code 32 If any problem occurs replace the paper eject sensor PCB ASSY 6 Paper eject motor failure Replace the paper eject motor 7 Paper eject ASSY failure Replace the paper eject ASSY 8 Engine PCB failure Replace the engine PCB ASSY 9 Main PCB failure Replace the mai...

Page 105: ...n failure of T2 Relay PCB ASSY Check the harness connection of the T2 Relay PCB ASSY and reconnect it 3 T2 paper edge sensor PCB failure Check the sensor performance following the procedure described in Function code 32 If any problem occurs replace the T2 paper feed frame unit 4 T2 Relay PCB failure Replace the T2 Relay PCB ASSY 5 Engine PCB failure Replace the engine PCB ASSY 6 Main PCB failure ...

Page 106: ...ection of the paper eject sensor PCB ASSY and reconnect it 2 Paper eject actuator catching on some position Correct catching of the paper eject actuator 3 Paper eject sensor PCB failure Check the sensor performance following the procedure described in Function code 32 If any problem occurs replace the paper eject sensor PCB ASSY 4 Main PCB failure Replace the main PCB ASSY Size Error DX Specify th...

Page 107: ... the thickness of the paper is 60 to 105 g m2 Jam Tray 1 Remove the jammed paper from Tray 1 Step Cause Remedy 1 Harness connection failure of T1 registration front rear sensor PCB ASSY Check the harness connection of the T1 registration front rear sensor PCB ASSY and reconnect it 2 Paper feeding kit1 worn out Replace the paper feeding kit1 3 Registration front sensor failure Check the sensor perf...

Page 108: ...er is 60 to 105 g m2 Jam Tray 2 Remove the jammed paper from Tray 2 Step Cause Remedy 1 Foreign object around the front of the paper tray 2 Remove the foreign object 2 Harness connection failure of T2 sensor PCB ASSY Check the harness connection of the T2 sensor PCB ASSY and reconnect it 3 Harness connection failure of T2 Relay PCB ASSY Check the harness connection of the T2 Relay PCB ASSY and rec...

Page 109: ...e around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Jam MP Tray Remove the jammed paper from Multi Purpose Tray and press Start Step Cause Remedy 1 Foreign object around MP tray Remove the foreign object 2 MP paper feeding kit worn out Replace the MP paper feeding kit 3 MP regist...

Page 110: ...site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Registration Registration failed Press Start and try again Step Cause Remedy 1 Harness connection failure of the registration mark L PCB ASSY or registration mark R PCB ASSY Check the harness connection of the registration mark sensor holder ASSY and rec...

Page 111: ...y 2 Error code 96 No paper in all trays This error does not usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Size Mismatch Reload correct paper Size Mismatch Reload correct paper Size Mismatch Reload correct paper ...

Page 112: ... MP tray MP paper empty sensor fails to be turned ON This error does not usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Size mismatch Reload correct paper Size mismatch Reload correct paper Size mismatch DX Press...

Page 113: ...itch and turn it ON again after a while Registration Registration failed See Troubleshooting chapter in User s Guide Step Cause Remedy 1 Harness connection failure of the registration mark L PCB ASSY or registration mark R PCB ASSY Check the harness connection of the registration mark sensor holder ASSY and reconnect it 2 Registration mark sensor holder ASSY failure Replace the registration mark s...

Page 114: ... main PCB ASSY Cover is Open Close the Front Cover Step Cause Remedy 1 Harness connection failure of front cover sensor Check the harness connection of the front cover sensor and reconnect it 2 Front cover sensor failure Check the sensor performance following the procedure described in Function code 32 If any problem occurs replace the front cover sensor 3 The member part to press the front cover ...

Page 115: ...g of the document first side rear actuator 2 Document first side rear sensor failure Replace the document first side rear sensor PCB ASSY 3 Main PCB failure Replace the main PCB ASSY Document Jam Clear the scanner jam then press the Stop Key Step Cause Remedy 1 Document first side rear actuator catching on some position Correct catching of the document first side rear actuator 2 Second side rear s...

Page 116: ...ument front ADF open sensor PCB Check the harness connection of the document front ADF open sensor PCB open and reconnect it 3 Deformation and or breakage of ADF cover Replace the ADF cover ASSY 4 ADF cover open sensor failure Replace the document front ADF open sensor PCB ASSY 5 Main PCB failure Replace the main PCB ASSY Scan Unable A5 Remove the original document Turn the power off then on again...

Page 117: ...power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Scan Unable A7 See Troubleshooting and routine maintenance chapter in User s Guide Scan Unable A8 See Troubleshooting and routine maintenance chapter in User s Guide Step Cause Remedy 1 Document scanner unit failure Replace the document scanner unit 2 Main PCB failure Replace t...

Page 118: ...ion Second side Error code AD Timeout error during waiting for completion of scanning DMA transfer Scanner Error Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Scan Unable AC Remove the original document Turn the power off then on again Step Cause Remedy 1 Second side scanning CIS failure Replace the upper document chute ASSY 2 Main PCB failure Replace the main PCB ASSY Scan Unable...

Page 119: ... ASSY Scanner Unable AF See Troubleshooting and routine maintenance chapter in User s Guide Step Cause Remedy 1 Document scanner unit failure Replace the document scanner unit 2 Main PCB failure Replace the main PCB ASSY Scanner Error Step Cause Remedy 1 Incomplete insertion of the second side scanning CIS harness of the document scanner unit Reinsert the second side scanning CIS harness of the do...

Page 120: ...pe This error is indicated on the LCD in the maintenance mode Error code B6 The scanning area setting enlargement detection error white tape This error is indicated on the LCD in the maintenance mode This error does not usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn O...

Page 121: ...l use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Scanner Error Scanner Error Step Cause Remedy 1 Second side scanning CIS failure Replace the upper document chute ASSY 2 Document scanner unit failure Replace the document scanner unit 3 Main...

Page 122: ...ures in the software User Check Turn OFF the power switch and turn it ON again after a while Scanner Error Step Cause Remedy 1 Document scanner unit failure Replace the document scanner unit 2 Main PCB failure Replace the main PCB ASSY Scanner Unable BC See Troubleshooting and routine maintenance chapter in User s Guide Step Cause Remedy 1 Second side scanning CIS failure Replace the upper documen...

Page 123: ...tridges into the machine properly Scan Unable BF Document is too long for duplex scanning Press Stop Key Step Cause Remedy 1 Document second side rear actuator catching on some position Correct catching of the document second side rear actuator 2 Main PCB failure Replace the main PCB ASSY Cartridge Error Put the Black K Toner Cartridge back in Cartridge Error Put the Yellow Y Toner Cartridge back ...

Page 124: ...t back in firmly Step Cause Remedy 1 Harness connection failure of T2 plate motor ASSY Check the harness connection of the T2 plate motor ASSY and reconnect it 2 Harness connection failure of T2 Relay PCB ASSY Check the harness connection of the T2 Relay PCB ASSY and reconnect it 3 T2 plate up detection sensor failure Check the sensor performance following the procedure described in Function code ...

Page 125: ...ected Pull out and reinsert all 4 Toner Cartridges Step Cause Remedy 1 Harness connection failure of develop release motor Check the harness connection of the develop release motor and reconnect it 2 Develop release motor failure Replace the develop release motor 3 Develop release sensor PCB failure Replace the develop release sensor PCB ASSY 4 Engine PCB failure Replace the engine PCB ASSY Out of...

Page 126: ... 1 Main PCB failure Replace the main PCB ASSY Unusable Device Remove the Device Turn the power off and back on again Step Cause Remedy 1 USB host relay PCB failure Replace the USB host relay PCB ASSY 2 Main PCB failure Replace the main PCB ASSY No Belt Unit Open the Front Cover pull out the Drum Unit completely and install the Belt Unit Step Cause Remedy 1 Harness connection failure of registratio...

Page 127: ...ause Remedy 1 Main PCB failure Replace the main PCB ASSY No Drum Unit Install the Drum unit Step Cause Remedy 1 Dirt on the electrode of the drum unit and on the machine Clean the dirt on the contact points of the both electrodes Refer to Fig 2 10 P2 62 and Fig 2 13 P2 63 2 Bend of electrode contact of main body Correct the bend of the electrode contact of the main body 3 Contact failure between t...

Page 128: ...ction code 32 If any problem occurs replace the waste toner sensor 2 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 3 Main PCB failure Replace the main PCB ASSY Replace WT Box Replace the Waste Toner Box Refer to the User s Guide for instructions Step Cause Remedy 1 Harness connection failure of waste toner sensor Check the harness connection of the waste tone...

Page 129: ...lures in the software User Check Turn OFF the power switch and turn it ON again after a while Step Cause Remedy 1 Harness connection failure of LCD unit Check the harness connection of the LCD unit and reconnect it 2 LCD unit failure Replace the LCD unit 3 Main PCB failure Replace the main PCB ASSY Print Unable D1 See Troubleshooting and routine maintenance chapter in User s Guide Step Cause Remed...

Page 130: ...um Print Unable DE Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure between paper eject sensor PCB ASSY and fuser unit Check the harness connection between the paper eject sensor PCB ASSY and fuser unit and reconnect it 2 Side thermistor or center thermistor failure Replace the fuser unit 3 Paper eject sensor PCB ASSY failure Replace the paper eject sensor P...

Page 131: ...unit Check the harness connection between the paper eject sensor PCB ASSY and fuser unit and reconnect it 3 Side thermistor or center thermistor failure Replace the fuser unit 4 Paper eject sensor PCB failure Replace the paper eject sensor PCB ASSY 5 Main PCB failure Replace the main PCB ASSY Print Unable E3 Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure o...

Page 132: ... the main PCB Error code E7 Main PCB error This error does not usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Print Unable E6 Turn the power off and ...

Page 133: ...PCB error Error code EA Communication data error upon scanning This error does not usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while Step Cause Remedy 1 Main PCB failure Replace the main PCB ASSY Print Unable E9 Tur...

Page 134: ...re Replace the engine PCB ASSY 4 Main PCB failure Replace the main PCB ASSY Print Unable EC Turn the power off and then back on again Step Cause Remedy 1 Harness connection failure of fuser fan Check the harness connection of the fuser fan and reconnect it 2 Fuser fan failure Replace the fuser fan 3 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 4 Main PCB fai...

Page 135: ...ure Replace the main PCB ASSY Print Unable EF Turn the power off and then back on again Step Cause Remedy 1 The irregular power supply is detected Replace the low voltage power supply PCB ASSY Reset the irregular power supply detection counter following the procedure described in 5 IF THE MACHINE ERROR EF IS DETECTED AND THE LOW VOLTAGE POWER SUPPLY PCB ASSY IS REPLACED in Chapter 4 2 Main PCB fai...

Page 136: ...F the power switch and turn it ON again after a while Error code F2 The waste toner box near full The belt cleaner voltage becomes lower than the specified value User Check Replace the waste toner box with a new one Print Unable F0 Turn the power off and then back on again Step Cause Remedy 1 Malfunction of firmware Rewrite the latest firmware 2 Main PCB failure Replace the main PCB ASSY Step Caus...

Page 137: ...ror This error does not usually occur in the normal use The conceivable causes are noise around the installation site fluctuation of the power supply voltage and failures in the software User Check Turn OFF the power switch and turn it ON again after a while High Temperature Decrease room temperature and humidity to allow the machine to operate Step Cause Remedy 1 Main PCB failure Replace the main...

Page 138: ...ures in the software User Check Turn OFF the power switch and turn it ON again after a while Machine Error F9 Unplug machine then call Brother Step Cause Remedy 1 Power turned OFF while the function code 74 is being executed and PARAMETER INTI is being displayed Re enter the country code Refer to 1 4 26 Setting by country Function code 74 in Chapter 5 No Toner Open the Front Cover then install Ton...

Page 139: ...in Step Cause Remedy 1 Harness connection failure of registration mark sensor holder ASSY Check the harness connection of the registration mark sensor holder ASSY and reconnect it 2 Harness connection failure of density sensor shutter solenoid ASSY Check the harness connection of the density sensor shutter solenoid ASSY and reconnect it 3 Registration mark sensor holder ASSY failure Replace the re...

Page 140: ...le the T1 paper edge actuator 2 Harness connection failure of PF drive motor Check the harness connection of the PF drive motor and reconnect it 3 Installation failure of roller holder ASSY Check the installation of the roller holder ASSY and reinstall it correctly 4 T1 paper pick up roller worn out Replace the paper feeding kit1 5 T1 paper edge sensor failure Check the sensor performance followin...

Page 141: ...ection of the plate drive motor and reconnect it 3 Harness connection failure of T2 sensor PCB ASSY Check the harness connection of the T2 sensor PCB ASSY and reconnect it 4 Harness connection failure of T2 Relay PCB ASSY Check the harness connection of the T2 Relay PCB ASSY and reconnect it 5 Installation failure of T2 roller holder ASSY Check the installation of the T2 roller holder ASSY and rei...

Page 142: ... and reinstall the actuator of the MP paper empty sensor 2 Harness connection failure of PF drive motor Check the harness connection of the PF drive motor and reconnect it 3 MP paper pick up roller worn out Replace the MP paper feeding kit 4 MP paper empty sensor failure Replace the MP paper empty registration front sensor PCB ASSY 5 MP sector solenoid failure Replace the MP sector solenoid 6 PF d...

Page 143: ... tray Check if the thickness of the paper is 60 to 105 g m2 Step Cause Remedy 1 Abrasion of separation pad or separation roller Replace the appropriate paper feeding kit Step Cause Remedy 1 Foreign object around paper tray 1 Remove the foreign object 2 Harness connection failure of T1 registration front rear sensor PCB ASSY Check the harness connection of the T1 registration front rear sensor PCB ...

Page 144: ... Harness connection failure of T2 sensor PCB ASSY Check the harness connection of the T2 sensor PCB ASSY and reconnect it 4 Harness connection failure of T2 Relay PCB ASSY Check the harness connection of the T2 Relay PCB ASSY and reconnect it 5 T2 paper edge actuator malfunction Re assemble the T2 paper edge actuator 6 T2 separation roller ASSY worn out Replace the T2 separation roller ASSY 7 Regi...

Page 145: ... in Function code 32 If any problem occurs replace the MP paper empty registration front sensor PCB ASSY 4 Engine PCB failure Replace the engine PCB ASSY 5 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Registration rear actuator malfunction Re assemble the registration rear actuator 2 Paper eject actuator malfunction Re assemble the paper eject actuator 3 Harness connection failur...

Page 146: ...paper eject motor 7 Paper eject ASSY failure Replace the paper eject ASSY 8 Engine PCB failure Replace the engine PCB ASSY 9 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Foreign object around paper eject Remove the foreign object 2 Foreign object around duplex feed ASSY Remove the foreign object 3 Foreign object around duplex tray Remove the foreign object 4 Paper eject actuator ...

Page 147: ...e paper is loaded into the paper tray correctly Turn back the paper loaded in the paper tray or change the orientation of the paper by 180 Check if the thickness of the paper is 60 to 105 g m2 60 to 163 g m2 for the MP tray Switch the envelope levers Step Cause Remedy 1 Fuser unit dirty Clean the entrance of the fuser unit Clean the pressure roller 2 Dirt in the paper feed system Wipe dirt off 3 P...

Page 148: ...ck of paper 2 116 Vertical streaks 2 117 Horizontal stripes 2 118 White vertical streaks on one color image 2 118 Poor fixing 2 114 Faint print 2 119 White spots on one color image 2 120 One color spots or dirt 2 121 One color band 2 121 Downward fogging Horizontal lines 2 122 Ghost 2 122 Inter color position Fogging 2 123 Unstable color Hollow print 2 115 density 2 124 2 124 2 125 Print crease Sp...

Page 149: ...fuser unit 78 5 mm User Check Check the machine s environment High temperature and high humidity or low temperature and low humidity conditions can cause this problem If the whole page is light toner save mode may be on Turn off the toner save mode Wipe the scanner windows of the laser unit with a soft lint free cloth Refer to the figure below Adjust the color calibration from the control panel Re...

Page 150: ...um electrode Clean the electrodes of the drum unit and main body Refer to Fig 2 10 P2 62 and Fig 2 13 P2 63 2 Dirt on developer roller electrode Clean the electrodes of the developer roller and main body Refer to Fig 2 10 P2 62 and Fig 2 13 P2 63 3 Dirt on belt unit electrode Clean the electrodes of the belt unit and main body Refer to Fig 2 11 P2 62 and Fig 2 13 P2 63 4 Toner New sensor PCB failu...

Page 151: ...m the control panel Step Cause Remedy 1 Corona wire conduction failure Clean the electrodes of the drum unit and main body Refer to Fig 2 10 P2 62 and Fig 2 13 P2 63 2 Dirt on belt unit electrode Clean the electrodes of the belt unit and main body Refer to Fig 2 11 P2 62 and Fig 2 13 P2 63 3 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 4 Engine PCB failure R...

Page 152: ...ner cartridge with a new one Memo You can check this image defect with the function code 71 Refer to 1 4 24 Color test pattern Function code 71 in Chapter 5 Step Cause Remedy 1 Fuser unit failure Replace the fuser unit 2 Low voltage power supply PCB failure Replace the low voltage power supply PCB ASSY 3 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 4 Engine ...

Page 153: ... Fig 2 13 P2 63 2 Dirt on developer roller electrode Clean the electrodes of the developer roller and main body Refer to Fig 2 10 P2 62 and Fig 2 13 P2 63 3 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 4 Laser unit failure Replace the laser unit 5 Main PCB failure Replace the main PCB ASSY User Check Replace the belt unit with a new one Step Cause Remedy 1 L...

Page 154: ...ig 2 10 P2 62 and Fig 2 13 P2 63 2 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 3 Laser unit failure Replace the laser unit 4 Main PCB failure Replace the main PCB ASSY User Check Clean the belt unit Replace the waste toner box with a new one Replace the belt unit with a new one Step Cause Remedy 1 Fuser unit dirty Print approximate 10 pages Replace the fuse...

Page 155: ...eck this image defect with the function code 71 Refer to 1 4 24 Color test pattern Function code 71 in Chapter 5 Step Cause Remedy 1 Dirt in the paper feed system Wipe dirt off 2 Exposure drum dirty Refer to 2 5 Drum Cleaning in Chapter 5 and perform drum cleaning 3 Bend of tray ground spring Replace the paper tray 4 Scratch on the heat roller Replace the fuser unit Note When a same pattern is pri...

Page 156: ...side of the machine and the corona wire in the drum unit Replace the drum unit with a new one Step Cause Remedy 1 Dirt on charged electrode Clean the electrodes of the drum unit and main body Refer to Fig 2 10 P2 62 and Fig 2 13 P2 63 2 Bend of tray ground spring Replace the paper tray Refer to Fig 2 17 P2 117 3 Toner attached on the develop roller This problem will disappear by printing approxima...

Page 157: ...1 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 2 Engine PCB failure Replace the engine PCB ASSY User Check Open and close the front cover and make print again Check that the machine is installed on a level surface Wipe the scanner windows of the laser unit with a soft lint free cloth Refer to Fig 2 16 P2 111 Replace the toner cartridge with a new one Replace...

Page 158: ...ove the pinch roller cover Clean the pinch roller with a brush as rotating the pinch roller in the arrow direction with your fingers Remove paper dust accumulated in the paper tray by turning over the paper tray Fig 2 18 Step Cause Remedy 1 Dirt on the pinch roller of the paper tray Refer to the figure below and clean the pinch roller 2 Exposure drum dirty Refer to 2 5 Drum Cleaning in Chapter 5 a...

Page 159: ...g replace the drum unit with a new one Refer to the User s guide and remove the dirt on the exposure drum using a cotton swab The paper tray ground terminal provided in the machine body may be dirty Clean the contact with a dry cloth Step Cause Remedy 1 Dirt on the pinch roller of the paper tray Refer to Fig 2 18 P2 120 and clean the pinch roller 2 Exposure drum dirty Refer to 2 5 Drum Cleaning in...

Page 160: ...63 2 Paper tray ground terminal provided in machine body Correct bending of paper tray ground terminal 3 Toner attached on the exposure drum This symptom might disappear after making approximate 10 prints 4 Scratch on the heat roller Replace the fuser unit 5 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY User Check Check the machine s environment conditions su...

Page 161: ... mark sensor holder ASSY 3 Main PCB failure Replace the main PCB ASSY User Check Do not use acid paper Replace the toner cartridge with a new one Replace the drum unit with a new one Check the machine s environment If the machine is used in the high humidity environment this symptom is likely to occur Step Cause Remedy 1 Toner New sensor PCB failure Replace the Toner New sensor PCB ASSY 2 High vol...

Page 162: ...CB failure Replace the engine PCB ASSY 5 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 6 Laser unit failure Replace the laser unit 7 Main PCB failure Replace the main PCB ASSY User Check Select Improve Toner Fixing in the printer driver or select Thicker Paper in Paper Type Check the machine s environment conditions such as high humidity and low humidity may ...

Page 163: ...the PR arm covers Refer to the figure below 2 Fuser unit failure Replace the fuser unit User Check Check the machine s environment If the machine is used in the high humidity environment this symptom is likely to occur Make prints as lowering the envelope levers while the PR arm covers is drawn out Refer to the figure below Step Cause Remedy 1 The pressure of the pressure roller is high Change the...

Page 164: ...ted if you have an interface switching device Check the descriptions on the software setting in the user s guide Restore the settings at factory shipment Refer to User s guide Check the driver setting 3 8 Network Problems 3 8 1 Cannot make a print through network connection Error code ED EE User Check Check the descriptions in the network user s guide Restore the settings at factory shipment Refer...

Page 165: ...dy 1 Document front actuator catching on some position Correct the position of the document front actuator 2 ADF open actuator catching on some position Correct the position of the ADF open actuator 3 Harness connection failure of ADF motor Check the harness connection of the ADF motor and reconnect it 4 Document front sensor or ADF open sensor malfunstion Check the sensor performance following th...

Page 166: ...CB ASSY 5 Document second side rear sensor malfunstion Replace the document second side rear sensor PCB ASSY 6 Breakage of the drive gear Replace the drive frame ASSY Step Cause Remedy 1 Foreign object inside ADF Remove foreign objects inside the ADF if any 2 Document first side rear actuator catching on some position Correct catching of the document first side rear actuator 3 Document second side...

Page 167: ... Check whether the document does not curl Step Cause Remedy 1 Foreign object around paper eject Remove foreign objects around the paper eject if any 2 Breakage of the drive gear Replece the drive frame ASSY 3 Eject roller failure Replece the ADF unit Step Cause Remedy 1 Separate roller worn out Replece the separate roller ASSY 2 Document feed roller failure Replece the document feed roller ASSY ...

Page 168: ...or ADF glass Clean the CIS glass of the ADF Step Cause Remedy 1 White level data malfunction Perform the acquisition of white level data Function code 55 2 Document scanner unit First side failure Replace the document scanner unit First side 3 Second side scanning CIS failure Replace the upper document chute ASSY 4 Main PCB failure Replace the main PCB ASSY Light 2 130 Faulty registration 2 131 Da...

Page 169: ...m the fine adjustment of print start position Function code 45 Adjustment upon second side print only Step Cause Remedy 1 Fine adjustment of scan start position misalignment Perform the fine adjustment of scan start position Function code 54 2 Document scanner unit failure Replace the document scanner unit User Check Check whether the setting of the contrast does not become dark Step Cause Remedy ...

Page 170: ...ilure Replace the main PCB ASSY User Check Check if the ADF glass or document glass is not stained Clean the CIS glass of the ADF Step Cause Remedy 1 CIS unit failure Replace the document scanner unit 2 Second side scanning CIS failure Replace the upper document chute ASSY User Check Check if the ADF glass or document glass is not stained Clean the CIS glass of the ADF Step Cause Remedy 1 CIS unit...

Page 171: ...ower switch holder failure Replace the power switch holder 5 LCD or LCD unit failure Replace the LCD or LCD unit 6 Panel PCB failure Replace the panel PCB ASSY 7 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 8 Low voltage power supply PCB failure Replace the low voltage power supply PCB ASSY 9 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Key...

Page 172: ...h panel Perform the fine adjustment of touch panel Function code 61 4 Rubber key failure Replace the rubber key 5 Panel PCB failure Replace the panel PCB ASSY 6 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Fine adjustment of touch panel misalignment for models with a touch panel Perform the fine adjustment of touch panel Function code 61 2 Harness connection failure of touch pane...

Page 173: ...main PCB and panel PCB Connect the connector between the main PCB ASSY and panel PCB ASSY correctly 3 Rubber key connection failure Replace the rubber key 4 NCU PCB failure Replace the NCU PCB ASSY 5 Panel PCB failure Replace the panel PCB ASSY 6 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Connection between main PCB and NCU PCB Connect the connector between the main PCB ASSY an...

Page 174: ...tion failure of speaker Check the harness connection of the speaker and reconnect it 2 Connection between main PCB and NCU PCB Connect the connector between the main PCB ASSY and NCU PCB ASSY correctly 3 Speaker failure Replace the speaker unit 4 NCU PCB failure Replace the NCU PCB ASSY 5 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Harness connection failure of speaker Check the...

Page 175: ...CB and NCU PCB Connect the connector between the main PCB ASSY and NCU PCB ASSY correctly 2 NCU PCB failure Replace the NCU PCB ASSY 3 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 NCU PCB failure Replace the NCU PCB ASSY 2 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 The Distinctive ring mode is set to ON Turn OFF the Distinctive ring mode Step Cause Remedy 1 Ma...

Page 176: ...ow voltage power supply PCB ASSY 7 Panel PCB failure Replace the panel PCB ASSY 8 Engine PCB failure Replace the engine PCB ASSY 9 High voltage power supply PCB failure Replace the high voltage power supply PCB ASSY 10 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Harness connection failure of the appropriate fan Reconnect the harness of the appropriate fan correctly 2 Failure of ...

Page 177: ...r Check Specify the tray correctly Step Cause Remedy 1 Harness connection failure of USB host relay PCB Check the harness connection of the USB host relay PCB ASSY and reconnect it 2 USB host relay PCB failure Replace the USB host relay PCB ASSY 3 Main PCB failure Replace the main PCB ASSY Step Cause Remedy 1 Internal temperature thermistor failure Replace the Internal temperature thermistor 2 Ext...

Page 178: ...Confidential CHAPTER 3 DISASSEMBLY AND ASSEMBLY ...

Page 179: ...applied when the machine is assembled CONTENTS 1 SAFETY PRECAUTIONS 3 1 2 PACKING 3 2 3 SCREW CATALOGUE 3 3 4 SCREW TORQUE LIST 3 4 5 LUBRICATION 3 7 6 OVERVIEW OF GEARS 3 9 7 HARNESS ROUTING 3 11 8 DISASSEMBLY FLOW 3 25 9 DISASSEMBLY PROCEDURE 3 27 9 1 Paper Tray 3 28 9 2 Back Cover Back Cover Stopper Arm L R 3 29 9 3 Fuser Cover 3 32 9 4 Fuser Unit 3 34 9 5 Side Cover L Access Cover 3 37 9 6 Sid...

Page 180: ...0 9 29 Document Hold ASSY 3 91 9 30 Document Cover ASSY Grip Cover 3 91 9 31 Panel Cover ASSY 3 92 9 32 Scanner Unit Panel Unit Generic 3 93 9 33 Panel PCB ASSY 3 95 9 34 Printed Rubber Key R C L 3 96 9 35 LCD Back Light Module LCD Cover 3 98 9 36 Pull Arm Guide Lock Claw 3 100 9 37 Joint Cover Top Joint Film 3 101 9 38 NCU PCB ASSY 3 103 9 39 Back Cover Upper 3 105 9 40 Joint Cover 3 106 9 41 USB...

Page 181: ... 69 Cleaner Pinch Roller Holder 3 154 9 70 Registration Mark Sensor Holder ASSY Shutter Solenoid 3 156 9 71 MP Paper Empty Registration Front Sensor PCB ASSY 3 158 9 72 PF ASSY 3 166 9 73 T1 Registration Front Rear Sensor PCB ASSY 3 169 9 74 MP Sector Solenoid 3 170 9 75 T1 Paper Edge Sensor PCB ASSY T1 Paper Edge Actuator T1 Paper Edge Actuator Spring 3 171 9 76 Cleaner Drive Gear 15 3 173 9 77 H...

Page 182: ... sections on the flat cables or on the wire harness After disconnecting flat cables check that each cable is not damaged at its end or shortcircuited When connecting flat cables do not insert them at an angle After insertion check that the cable are not at an angle When connecting or disconnecting cable connectors hold the connector body not the cables If the connector has a lock release the conne...

Page 183: ...3 2 Confidential 2 PACKING Machine Carton Carton option AC cord bag ASSY Quick set up guide CD User s guide Polystyrene pad L Polystyrene pad R Polystyrene pad bace ...

Page 184: ... bind S M3x5 Taptite cup B M3x8 Taptite cup B M3x10 Taptite pan B M4x14 Shoulder screw Shoulder screw M3 Screw pan S P washer M4x8 DB Taptite pan S P W Taptite pan washer Taptite cup S Taptite cup S M3x12 Taptite cup S M3x6 SR Taptite bind S M3x6 Screw bind Screw bind M3x4 Taptite pan S P W B M3x10 Taptite pan washer B M4x12 DA Screw pan S P washer M4x8 Screw pan S P washer M3 5x6 Taptite flat B T...

Page 185: ... unit Taptite bind B M4x12 2 0 80 0 10 8 1 Hinge ASSY L Taptite cup S M3x12 3 0 80 0 10 8 1 Hinge R Taptite cup B M3x10 1 0 50 0 10 5 1 Hinge arm R Taptite cup B M3x10 3 0 50 0 10 5 1 Upper document chute ASSY Taptite cup B M3x10 6 0 50 0 10 5 1 Lower chute ASSY Taptite cup B M3x10 6 0 50 0 10 5 1 Taptite cup S M3x6 1 0 80 0 10 8 1 ADF motor Screw pan S P washer M3x6 1 0 70 0 10 7 1 Grip cover Tap...

Page 186: ... 1 0 80 0 10 8 1 PF cleaner drive ASSY Taptite bind B M4x12 2 0 60 0 10 6 1 T1 solenoid ASSY Taptite bind B M3x8 1 0 35 0 05 3 5 0 5 Paper eject ASSY Taptite cup S M3x6 SR 5 0 70 0 10 7 1 Paper eject motor Taptite bind S M3x6 2 0 70 0 10 7 1 AC inlet Taptite flat B M3x10 1 0 50 0 10 5 1 Low voltage power supply unit Screw pan S P washer M4x8 2 0 90 0 10 9 1 Taptite cup S M3x8 2 0 50 0 10 5 1 Tapti...

Page 187: ...cup S M3x6 SR 2 0 80 0 10 8 1 T2 relay PCB ASSY Taptite cup S M3x6 SR 1 0 80 0 10 8 1 T2 solenoid holder ASSY Taptite cup S M3x6 SR 1 0 80 0 10 8 1 T2 solenoid holder Screw flanged M3x3 5 1 0 50 0 10 5 1 T2 beam F ASSY Taptite cup S M3x6 SR 5 0 80 0 10 8 1 T2 frame L unit Taptite bind B M4x10 1 0 80 0 10 8 1 T2 beam front Taptite cup S M3x6 SR 2 0 80 0 10 8 1 T2 beam rear Taptite cup S M3x6 SR 4 0...

Page 188: ... Quantity of lubrication MOLYKOTE PG 661 W Dow Corning ER shaft bush 1 mm dia ball BDX313 A Kanto Kasei Hinge ASSY L 2 mm dia ball FLOIL GE 676 Kanto Kasei Separate roller shaft 1 5 mm dia ball Document feed roller shaft 1 5 mm dia ball PG1 BDX2 GE1 5 GE1 5 PG1 Joint cover base ASSY ER shaft bush 9 places BDX2 BDX2 5 places 4 places Hinge ASSY L ADF unit ...

Page 189: ...6 1 5 mm dia ball GE1 5 FLOIL GE 676 1 5 mm dia ball GE1 5 GE1 5 1 place 1 place Conductive bush Retaining ring E5 Separate roller shaft 3 mm GE1 5 GE1 5 1 place 1 place Conductive bush Document feed roller shaft Retaining ring E5 3 mm ...

Page 190: ...gear Z64 21 LY0233 Fuser drive gear Z25 8 LY0192 Develop joint gear Z48 22 LY0216 Gear Z55 9 LY0199 Drum idle gear Z64 first 23 LY0192 Develop joint gear Z48 10 LY0196 Drum coupling gear Z52 24 LY0197 Drum double idle gear Z64 26 11 LY0198 Drum idle gear Z64 25 LY0196 Drum coupling gear Z52 12 LY0194 Develop joint gear Z48 26 LY0203 Belt idle gear Z64 75 13 LY0220 Gear Z54 18 27 LY0202 Belt idle g...

Page 191: ...Y Development view Layout view Name of gears These parts are subject to change without notice 29 LU5132 Registration gear 31 LY0298 Registration Pinch roller gear bush 30 LY0299 Pinch roller drive gear 29 29 29 30 31 31 29 30 ...

Page 192: ...ntial 7 HARNESS ROUTING 1 Laser Unit Panel cable rack Upper cable rack Front Front a b c b b c Laser unit a Hook Hole Hole CN5 c Upper cable rack Panel cable rack CN25 CN19 Main PCB ASSY Engine PCB ASSY Clamp Hook ...

Page 193: ...12 Confidential 2 Develop Release Motor 3 Front Cover Sensor Develop release motor Panel cable rack Engine PCB ASSY Hook CN20 Front Panel cable rack Hook Hook Engine PCB ASSY CN14 Front Front cover sensor ...

Page 194: ...ive ASSY back side Hook CN23 CN17 CN11 Top drive ASSY Hook Hook Hook Drum drive motor Fuser develop e motor ASSY Engine PCB ASSY Upper cable rack Develop release sensor PCB ASSY PF line holder Registration solenoid ASSY Develop FFC holder Ferrite core Hook Mono solenoid ASSY Drum position sensor PCB ASSY ...

Page 195: ...SY 6 Toner New Sensor PCB ASSY Hook CN1 Hook Hook Hook PF plate ASSY T1 solenoid ASSY CN9 Engine PCB ASSY PF line holder PF cleaner drive ASSY Front Engine PCB ASSY Hook Hook Hook Panel cable rack Front CN16 Toner New sensor PCB ASSY ...

Page 196: ...ower Supply PCB ASSY Front Front a b c d b c Low voltage power supply cover Low voltage power supply PCB ASSY Lower cable rack Hook CN17 CN16 CN5 Engine PCB ASSY Main PCB ASSY Lower cable rack Top drive ASSY Paper eject sensor PCB ASSY ...

Page 197: ...wer supply PCB ASSY for CN1 CN2 c1 c1 c1 a a a b b b c2 c2 b Hook Hook Hook c2 b CN1 CN2 CN22 CN21 Back cover Main PCB ASSY Engine PCB ASSY Hook c2 Upper cable rack Ferrite core Ferrite core Hook Paper eject ASSY Paper eject ASSY a Paper eject motor Paper eject motor a sensor ASSY Front c1 Top view ...

Page 198: ...r Holder ASSY Hook CN8 Hook High voltage power supply PCB ASSY Shutter solenoid Front Hole c a b Lower cable rack Hook c a b Lower cable rack CN18 CN19 CN20 Main PCB ASSY Front Ferrite core Ferrite core Front Registration mark sensor holder ASSY ...

Page 199: ...ok CN12 Hook MP ASSY MP ASSY Front Front Engine PCB ASSY Registration Pinch roller gear bush Registration Pinch roller gear bush Registration Pinch roller gear bush PF line holder MP paper empty registration front sensor PCB ASSY MP paper empty registration front sensor PCB ASSY ...

Page 200: ...1 registration front rear sensor PCB ASSY T1 registration front rear sensor PCB ASSY MP sector solenoid Hole a b c a Engine PCB ASSY b c MP sector solenoid c b a PF line holder CN13 CN10 CN8 PF cleaner drive ASSY Hole T1 paper edge sensor PCB ASSY T1 paper edge sensor PCB ASSY ...

Page 201: ...ite core Main PCB ASSY Main PCB ASSY CN1 CN6 CN4 CN3 Document cover ASSY Scanner unit ADF harness Slit Joint film Scanner unit Joint cover top FFC holder ASSY Second side CIS harness Hole Upper document chute ASSY Second side scanning CIS Hook Drive frame ASSY Duplex scanning model only ...

Page 202: ... Scanner Document scanner unit Joint cover top Document scanner unit Hole Ferrite core CN2 Joint Joint film FB harness unit Document scanner unit harness Hook Front Front Main PCB ASSY Hook CN7 Ferrite core cover top Main PCB ASSY ...

Page 203: ...l 14 Panel Unit 15 NCU Scanner unit Hole CN8 Main PCB Panel unit Panel key harness ASSY Hook Front Main PCB Hook Hook Joint cover base ASSY Back cover upper NCU ASSY NCU harness ASSY NCU FG harness ASSY CN9 Hook Front ...

Page 204: ...int cover base ASSY Hook Hook Hook CN11 Main PCB ASSY Hole Joint cover USB host relay PCB ASSY Main USB host harness ASSY Access cover plate ASSY Lock plate Front Joint cover base ASSY Main PCB ASSY Hook Hook Main wireless LAN harness ASSY Wireless LAN PCB CN17 ...

Page 205: ...l Temperature Thermistor Front Hook Hook Main PCB ASSY CN10 Hook Joint cover base ASSY Speaker unit Main PCB CN21 Internal temperature Hook Lower cable rack Hook Hook thermistor Internal temperature thermistor Internal temperature thermistor ...

Page 206: ...3 25 Confidential 8 DISASSEMBLY FLOW Disassembly Re Assembly second ...

Page 207: ...3 26 Confidential Disassembly Re Assembly second 5 ...

Page 208: ...ure 1 Unplug the AC cord the USB cable if connected the LAN cable if connected and USB flash memory drive if connected LAN port cap 2 Remove the Paper tray the Toner cartridge the Drum unit the Belt unit and the Waste toner box Toner cartridge Belt unit Waste toner box Paper tray Drum unit LAN port cap ...

Page 209: ...ation pad spring from the Paper tray Fig 3 2 Assembling Note Mount the T1 separation pad holder ASSY in a way that A of the T1 separation pad holder ASSY is inserted into B of the T1 separation pad spring Note Be careful not to lose the T1 separation pad spring Hook B T1 separation pad holder ASSY A Paper tray Paper tray T1 separation pad spring ...

Page 210: ...Stopper Arm L R 1 Open the Back cover Fig 3 3 2 Remove the Back cover stopper arm L and R from the Main body Fig 3 4 Back cover Main body Back side Back cover stopper arm L Back cover stopper arm R Main body Back side Back cover stopper arm L Pin ...

Page 211: ...ntial 3 Remove the Shaft of the Back cover from the Bush on the right side of the Main body Fig 3 5 4 Remove the Back cover Fig 3 6 Main body Back cover Bush Shaft Back side Pin Main body Back cover 4a 4b Back side ...

Page 212: ...31 Confidential 5 Remove the Back cover stopper arm L and R from the Back cover Fig 3 7 Back cover Back cover stopper arm L Back cover stopper arm R 5a 5a 5b 5b Back cover Back cover stopper arm R Center ...

Page 213: ...pen the Back flapper ASSY Fig 3 8 2 Release of the Fuser cover lock lever L and R and open the Fuser cover ASSY Fig 3 9 Back flapper ASSY Main body Back side Main body Fuser cover lock lever L Fuser cover lock lever R Fuser cover Back side ...

Page 214: ... cover L 4 Release the Hook to remove the Fuser cover L from the Main body Fig 3 10 5 Slide the Fuser cover in the direction of the arrow 5a to remove it to the front Fig 3 11 Main body Taptite bind S M3x8 Hook Fuser cover L Back side Main body Fuser cover Back side 5a 5b ...

Page 215: ...er cover R 2 Release the Hook to remove the Fuser cover R from the Main body Fig 3 12 3 Disconnect the two Connectors CN1 CN2 from the Paper eject sensor PCB ASSY Fig 3 13 Main body Taptite bind S Fuser cover R Hook M3x8 Back side CN1 CN2 Connector Connector Paper eject sensor PCB ASSY ...

Page 216: ...rom the Fuser unit Fig 3 14 5 Remove the two Taptite pan B M4x14 screws to remove the Fuser unit from the Main body Fig 3 15 Fuser unit Electrode terminal small Electrode terminal large Main body Taptite pan B M4x14 Taptite pan B M4x14 Fuser unit Back side ...

Page 217: ... Confidential Fig 3 16 Note Do not apply a physical impact or vibration to the Fuser unit Do not touch the roller and electrodes as shown in the figure below to prevent breakage of the Fuser unit Fuser unit ...

Page 218: ...ont cover Fig 3 17 2 Remove the Taptite bind S M3x8 screw from the front of the Side cover L 3 Remove the Taptite bind B M4x12 screw from the side of the Side cover L Fig 3 18 Main body Front cover Front Taptite bind S M3x8 Side cover L Taptite bind B M4x12 Front ...

Page 219: ... Hooks 1 and 2 at the same time and then release the Hooks 3 to 6 in numerical order Release the Hook 7 Release the Hooks 8 and 9 to remove the Side cover L from the Main body Fig 3 20 Side cover L Taptite bind S M3x8 Back side Side cover L Front Hook 9 Hook 6 Hook 1 Hook 3 Hook 8 Main body Hook 5 Hook 7 Hook 2 Hook 4 ...

Page 220: ...al Inside of Side cover L Fig 3 21 6 Remove the Access cover from the Side cover L Fig 3 22 Front Back Hook 1 Hook 5 Hook 7 Hook 9 Hook 4 Hook 3 Hook 2 Hook 6 Hook 8 Hook 8 Side cover L Side cover L Access cover 6a 6b ...

Page 221: ... cover R ASSY 2 Remove the Taptite bind B M4x12 screw from the side of the Side cover R ASSY Fig 3 23 3 Remove the two Taptite bind S M3x8 screws from the back of the Side cover R ASSY Fig 3 24 Side cover R ASSY Taptite bind B M4x12 Taptite bind S M3x8 Front Side cover R ASSY Taptite bind S M3x8 Back side ...

Page 222: ...Hook 7 Release the Hooks 8 and 9 to remove the Side cover R ASSY from the Main body Fig 3 25 Inside of Side cover R ASSY Fig 3 26 Side cover R ASSY Right side Main body Hook 2 Hook 3 Hook 1 Hook 5 Hook 6 Hook 8 Hook 9 Hook 7 Hook 4 Side cover R ASSY Front Back Hook 5 Hook 1 Hook 2 Hook 3 Hook 4 Hook 6 Hook 9 Hook 8 Hook 8 Hook 7 ...

Page 223: ...3 42 Confidential 9 7 Duplex Feed ASSY 1 Remove the two Taptite bind B M3x12 screws to remove the Duplex feed ASSY from the Main body Fig 3 27 Main body Duplex feed ASSY Taptite bind B Back side M3x12 ...

Page 224: ...de ASSY 1 Close the Front cover 2 Open the MP cover ASSY Fig 3 28 3 Remove the Pin of the MP link L and R from the MP cover ASSY Fig 3 29 Front cover MP cover ASSY Front MP link R MP link L Main body MP cover ASSY MP link L R Front Pin MP cover ASSY ...

Page 225: ... and R from the MP paper guide ASSY Fig 3 30 5 Remove the MP paper guide ASSY from the MP cover ASSY Fig 3 31 MP paper guide ASSY MP cover ASSY MP link R MP link L MP link L R MP paper guide ASSY Front Pin MP cover ASSY MP paper guide ASSY Pin Pin Front ...

Page 226: ...Pins to remove the MP cover ASSY from the Front cover Fig 3 32 9 9 MP Link L R 1 Remove the MP link L and R from the Front cover Fig 3 33 Front cover MP cover ASSY Pin Pin Front Front cover MP link L MP link R MP link L 1a 1a 1b 1b Front ...

Page 227: ...remove the Forced develop release link from the Front cover Fig 3 34 3 Release the Hook to remove the Joint release link from the Front cover Fig 3 35 Forced develop Hook Front cover release link Forced develop release link Front Front cover Hook Joint release link Joint release link Front ...

Page 228: ...rom the Main body Fig 3 36 5 Remove the Taptite bind B M4x12 screw from the Front cover arm L Fig 3 37 Boss Boss Front cover arm R Main body Boss Boss Front cover Front cover arm L Front 4a 4b 4a Front cover Front cover arm L Taptite bind B M4x12 ...

Page 229: ...Hook to remove the Front cover arm L from the Front cover Fig 3 38 7 Remove the Taptite bind B M4x12 screw from the Front cover arm R Fig 3 39 Front cover arm L Front cover Hook 6b 6a Front cover Front cover arm R Taptite bind B M4x12 ...

Page 230: ...3 49 Confidential 8 Release the Hook to remove the Front cover arm R from the Front cover Fig 3 40 Front cover arm R Front cover Hook 8b 8a ...

Page 231: ...ont cover Fig 3 41 2 Tilt the Front cover release button in the direction of the arrow 2 3 Slide it in the direction of the arrow 3 to remove the shaft and then remove the Front cover release button from the Front cover Fig 3 42 Front cover release button Front cover release button Front cover Hook Rib Front cover Front cover release button Shaft Shaft 2 3 ...

Page 232: ...ont cover release button Fig 3 43 Fig 3 44 Assembling Note When assembling the Front cover release button spring assemble A and B as shown in the figure Front cover release button spring Front cover release button B A Front cover release Front cover release button button spring ...

Page 233: ...ntial 9 12 Paper Stopper 1 Open the Scanner unit Fig 3 45 2 Remove the two Pins to remove the Paper stopper from the Joint cover top Fig 3 46 Scanner unit Main body Front Pin Joint cover top Paper stopper Pin Front ...

Page 234: ...he Scanner unit Fig 3 47 2 Remove the Pull arm L and Pull arm spring from the Pull arm guide L 3 Remove the Pull arm R and Pull arm spring from the Pull arm guide R Fig 3 48 Hook Scanner unit Pull arm L Pull arm R Hook Front Pull arm spring Pull arm guide R Pull arm guide L Pull arm spring Pull arm L Pull arm R Main body Front Rib Rib Rib ...

Page 235: ...he seven Taptite cup S M3x6 SR screws to remove the Main shield cover plate ASSY from the Main body Fig 3 50 FFC film Ferrite core 1 Main shield cover plate ASSY FFC film Ferrite core 1 Document scanner unit harness Taptite cup S M3x6 SR Main body Main shield cover plate ASSY Taptite cup S M3x6 SR ...

Page 236: ...ain body Fig 3 51 4 Disconnect the five Connectors CN3 CN4 CN6 CN7 and CN8 and two Flat cables CN1 and CN2 from the Main PCB ASSY Fig 3 52 Taptite cup S M3x6 SR Main body Taptite cup S M3x6 SR FB FG harness ASSY ADF FG harness ASSY CN1 CN3 CN4 CN6 CN7 CN8 CN9 CN10 CN12 CN13 CN15 CN17 CN11 CN22 CN30 CN27 CN26 CN25 CN24 CN23 CN2 Main PCB ASSY ...

Page 237: ... Second side CIS harness from the Ferrite core 2 and 3 attached to the Film Fig 3 54 Scanner unit Main body Ferrite core 1 Document scanner unit harness Document scanner Ferrite core 1 5a 5b unit harness Document scanner Second side CIS harness Scanner unit Ferrite core 2 Ferrite core 3 Film Film Document scanner unit harness Second side CIS harness unit harness ...

Page 238: ... FG harness ASSY from the Hole in the Joint cover top Fig 3 55 9 Change the angle of the Scanner unit as shown in the figure to remove it from the Main body Fig 3 56 Scanner unit FB FG harness ASSY ADF FG harness ASSY ADF FG harness ASSY FB FG harness ASSY Hole Hole Hook Harness Harness Joint cover top Joint cover top Scanner unit Main body Front ...

Page 239: ...e bind B M4x12 screws to open the ADF unit Fig 3 57 11 Lift the ADF unit until the Hinge ASSY L and Hinge R are removed from the Scanner unit Fig 3 58 Taptite bind B ADF unit Scanner unit M4x12 Scanner unit Hinge ASSY L Hinge R ADF unit 11a 11b ...

Page 240: ...3 59 Confidential 12 Release the three Hooks to remove the FFC holder ASSY from the Scanner unit Fig 3 59 Scanner unit Harness ADF unit Second side FFC holder ASSY Hook CIS harness Hook FFC holder ASSY ...

Page 241: ...sure to fold and assemble the Document scanner unit harness as shown in the figure Document scanner unit harness Fold down FFC along with the solid line Fold up FFC along with the dotted line 45 60 1 mm 158 1 mm 98 mm 1 1 mm Document scanner unit harness Fold down FFC along with the solid line Fold up FFC along with the dotted line 45 60 1 mm 125 1 mm 65 mm 1 1 mm 31 mm ...

Page 242: ...ial 9 15 Hinge ASSY L 1 Turn the ADF unit upside down 2 Remove the three Taptite cup S M3x12 screws to remove the Hinge ASSY L from the ADF unit Fig 3 62 ADF unit Hinge ASSY L Taptite cup S M3x12 Taptite cup S M3x12 ...

Page 243: ... cup B M3x10 screw to remove the Hinge R and Hinge R support from the ADF unit Fig 3 63 2 Remove the three Taptite cup B M3x10 screws to remove the Hinge arm R from the ADF unit Fig 3 64 Taptite cup B M3x10 Hinge R Hinge R support ADF unit ADF unit Taptite cup B M3x10 Hinge arm R ...

Page 244: ...ion 2 Remove the two Pins to remove the Document stopper from the ADF unit Fig 3 65 9 18 Document Sub Tray 1 Open the Document sub tray 2 Remove the two Pins to remove the Document sub tray from the ADF unit Fig 3 66 ADF unit Pin Document stopper Pin Pin Pin ADF unit Document sub tray ...

Page 245: ...3 64 Confidential 9 19 ADF Cover ASSY 1 Open the ADF cover ASSY 2 Remove the two Pins to remove the ADF cover ASSY from the ADF unit Fig 3 67 ADF cover ASSY ADF unit Pin Pin ...

Page 246: ...Y slide it in the direction of the arrow 1b Fig 3 68 2 Remove the Pin a from the Hook of the Document hold ASSY to remove the Document hold ASSY from the ADF cover ASSY Fig 3 69 Document hold ASSY ADF cover ASSY 1a 1b Document hold ASSY ADF cover ASSY Document hold ASSY Pin a Pin 2b Pin a 2a ...

Page 247: ...spring from the ADF cover ASSY Fig 3 70 Fig 3 71 Assembling Note When assembling the Earth spring be sure to assemble it as shown in the figure below ADF cover ASSY Earth spring Boss ADF cover ASSY Earth spring ADF cover ASSY Earth spring ...

Page 248: ...ential 9 21 Gear Cover 1 Release the two Hooks of the ADF unit Fig 3 72 2 Remove the Gear cover from the ADF unit Fig 3 73 ADF unit Hook Hook Hook Hook ADF unit ADF unit Gear cover Gear cover ADF unit Hook 2 2a 2b ...

Page 249: ...ig 3 74 2 Remove the shaft end at the opposite side to remove the Separate roller ASSY from the ADF unit Fig 3 75 Note When removing the Separate roller ASSY be careful not to damage the Flap ADF Conductive bush Separate roller ASSY ADF unit ADF unit Separate roller ASSY Flap ADF Flap ADF 2a 2b ...

Page 250: ... 3 76 Assembling Note When assembling the Separate roller ASSY be sure to assemble it in a way that the Flap ADF comes under the Document feed roller S ASSY Separate roller ASSY Document feed Flap ADF Flap ADF roller S ASSY ...

Page 251: ...ns to remove the Separation rubber holder ASSY from the Upper document chute ASSY Fig 3 77 2 Remove the ADF spring from the Upper document chute ASSY Fig 3 78 Pin Upper document chute ASSY Separation rubber holder Pin Separation rubber holder ASSY Upper document chute ASSY ADF spring ...

Page 252: ...ation rubber holder ASSY In this case remove the Upper document chute ASSY from the ADF unit and take out the ADF spring In the case that the Upper document chute ASSY has been removed be sure to assemble the ADF spring and Separation rubber first and then assemble the Upper document chute ASSY to the ADF unit ADF spring Upper document chute ASSY Hole ...

Page 253: ...ctive bush to release the lock Fig 3 80 2 Remove the shaft end at the opposite side to remove the Document feed roller S ASSY from the ADF unit Fig 3 81 Note Disassemble it in a place without dust Conductive bush ADF unit Document feed roller S ASSY ADF unit Document feed roller S ASSY 2a 2b ...

Page 254: ...nfidential 3 Release the two Hooks to remove the Cover glass stopper from the ADF unit Fig 3 82 4 Remove the Cover glass from the ADF unit Fig 3 83 ADF unit Hook Cover glass stopper Cover glass ADF unit 4a 4b ...

Page 255: ...both ends of the Second side scanning CIS Fig 3 84 6 Lift the Second side scanning CIS to remove the Second side CIS harness Fig 3 85 ADF unit CIS spacer CIS spacer Second side scanning CIS Second side CIS harness ADF unit 6b 6a Second side scanning CIS ...

Page 256: ...3 75 Confidential 7 Remove the two CIS spring from the ADF unit Fig 3 86 8 Remove the Second side CIS harness from the ADF unit Fig 3 87 ADF unit CIS spring CIS spring ADF unit Second side CIS harness ...

Page 257: ...ng Note Since the Second side CIS harness might be broken when you remove it from the FFC holder ASSY be sure to replace it with a new Second side CIS harness When assembling a new Second side CIS harness be sure to assemble it in accordance with the following procedure Reinforcement tape Fold up FFC along with the dotted line Fold down FFC along with the solid line Reinforcement plate 1 mm Second...

Page 258: ...hesive tape to the FFC holder ASSY as shown in the figure below If the double sided adhesive tape has already been affixed be sure to remove it and then affix new double sided adhesive tape Fig 3 91 Lower chute ASSY Second side CIS harness Upper document chute ASSY FFC holder ASSY Double sided adhesive tape ...

Page 259: ...FFC holder ASSY as shown in the figure below and then affix it to the double sided adhesive tape affixed to the FFC holder ASSY Fig 3 93 Second side CIS harness 200 mm Reinforcement tape Reinforcement plate Fold down FFC along with the solid line FFC holder ASSY Pass the harness through here Second side CIS harness Affix it to the double sided Rib Align the folded area to this part Second side CIS...

Page 260: ...3 79 Confidential 7 Pass the Second side CIS harness through the Document scanner unit Fig 3 94 Document scanner unit Second side CIS harness ADF unit FFC holder ASSY ...

Page 261: ...the Main PCB ASSY side to the Main PCB ASSY Second side CIS harness Fold up FFC along with the dotted line Fold down FFC along with the solid line Reinforcement plate 1 mm 45 80 mm Main PCB ASSY side Second side CIS harness Fold up FFC along with the dotted line Fold down FFC along with the solid line Reinforcement plate 1 1 mm 45 50 1 mm Main PCB ASSY side ...

Page 262: ...rom the ADF unit Fig 3 97 3 Return the ADF unit to the original position 4 Remove the five Taptite cup B M3x10 screws from the Upper document chute ASSY 5 Remove the Upper document chute ASSY from the ADF unit Fig 3 98 ADF unit Taptite cup B M3x10 ADF unit Upper document chute ASSY Taptite cup B M3x10 Taptite cup B M3x10 ...

Page 263: ... Rear Sensor 1 Shift the Upper document chute ASSY to the position shown in the figure so that it will not interfere with the work Fig 3 99 Memo This part can be replaced without disassembling Second side scanning CIS Note Be careful not to damage the Flat cable Upper document chute ASSY Flat cable ADF unit ...

Page 264: ...e Document front ADF open sensor from the Lower document chute Fig 3 100 3 Disconnect the Connector from the Document front ADF open sensor Fig 3 101 Rib Lower document chute Document front ADF open sensor 2a 2a 2b Document front ADF open sensor Connector ...

Page 265: ...3 102 5 Disconnect the Connector from the Document second side rear sensor Fig 3 103 6 Disconnect the Connector from the Document first side rear sensor in the same way Rib Lower document chute 4a 4b 4a Document second Document second side rear sensor Document first side rear sensor side rear sensor Film Connector Document second side rear sensor ...

Page 266: ...SY 1 Remove the Ejection roller bush from the Ejection roller ASSY Fig 3 104 2 Rotate the Conductive bush to release the lock Fig 3 105 Ejection roller ASSY Ejection roller bush Lower chute ASSY Conductive bush Conductive bush Ejection roller ASSY Lower chute ASSY ...

Page 267: ... the Lower chute ASSY Fig 3 106 4 Remove the three Taptite cup B M3x10 screws from the Lower chute ASSY 5 Release the Hook to remove the Lower chute ASSY from the Document cover ASSY Fig 3 107 Ejection roller ASSY 3a 3b Lower chute ASSY Lower chute ASSY Taptite cup B M3x10 Hook Document cover ASSY ...

Page 268: ...e position shown in the figure Fig 3 108 7 Remove the shaft end at the opposite side to remove the Document feed roller ASSY from the Lower chute ASSY Fig 3 109 ADF unit Conductive bush Pin Conductive bush Document feed roller ASSY Lower chute ASSY 7b 7a Document feed roller ASSY ...

Page 269: ...w from the Lower chute ASSY Fig 3 110 9 Remove the three Taptite cup B M3x10 screws to remove the Drive frame ASSY from the Lower chute ASSY Fig 3 111 Lower chute ASSY Taptite cup S M3x6 ADF FG harness Taptite cup B M3x10 Lower chute ASSY Drive frame ASSY ...

Page 270: ...3 89 Confidential 10 Disconnect the Connector from the ADF motor Fig 3 112 Drive frame ASSY ADF motor Connector ...

Page 271: ...o remove the Gear 43 from the Drive frame ASSY Fig 3 113 2 Remove the Screw pan S P washer M3x6 screw to remove the ADF motor from the Drive frame ASSY Fig 3 114 Hook Drive frame ASSY Gear 43 Drive frame ASSY Screw pan S P washer M3x6 ADF motor ADF motor ...

Page 272: ... from the Lower chute ASSY Fig 3 115 9 30 Document Cover ASSY Grip Cover 1 Turn the Document cover ASSY upside down 2 Remove the two Taptite cup B M3x10 screws to remove the Grip cover from the Document cover ASSY Fig 3 116 Lower chute ASSY Pin Document hold ASSY Pin Document cover ASSY Grip cover Taptite cup B M3x10 Taptite cup B M3x10 ...

Page 273: ...3 92 Confidential 9 31 Panel Cover ASSY 1 Release the eight Hooks to remove the Panel cover ASSY from the Scanner unit Fig 3 117 Hook Hook Hook Hook Panel cover ASSY Scanner unit ...

Page 274: ... generic Fig 3 118 2 Release the four Hooks to remove the Panel unit generic from the Scanner unit Fig 3 119 Note Be careful not to pull the Panel unit generic strongly because the Harness is connected to it Taptite cup B M3x10 Panel unit generic Taptite cup B M3x10 Scanner unit Panel unit generic Hook Hook Scanner unit ...

Page 275: ...3 94 Confidential 3 Disconnect the Connector CN4 from the Panel PCB ASSY Fig 3 120 Panel PCB ASSY CN4 Connector Panel unit generic ...

Page 276: ...PCB ASSY from the Panel unit generic Fig 3 122 Note The Panel PCB ASSY consists of two PCBs and they are connected with a Flat cable Be sure to remove the two PCBs at the same time because the Flat cable might get broken if you remove the PCBs Panel PCB ASSY Connector CN2 CN3 Flat cable Lock Flat cable Panel PCB ASSY Hook Panel unit generic Hook Hook Hook Hook Hook ...

Page 277: ...Remove the Printed rubber key C from the Panel cover generic Fig 3 123 2 Remove the Printed rubber key L and R from the Panel cover generic Fig 3 124 Printed rubber key C Panel cover generic Panel cover generic Printed rubber key R Printed rubber key L ...

Page 278: ...bber key R first and then assemble the Printed rubber key C Check if it is firmly inserted into the Positioning pin Printed rubber key C Printed rubber key R Printed rubber key L Panel cover generic Positioning pin Positioning pin Positioning pin Positioning pin Positioning pin Positioning pin Positioning pin ...

Page 279: ...over generic Fig 3 126 2 Release the four Hooks to remove the LCD cover from the Panel cover generic Fig 3 127 Note Be careful because there are cases where the LCD and Back light module come off at the same time Panel cover generic Panel light guide Caution lamp lens Hook Hook LCD cover Panel cover generic Back light module ...

Page 280: ...3 99 Confidential 3 Remove the LCD from the Back light module Fig 3 128 Back light module LCD 3a 3b ...

Page 281: ...3 100 Confidential 9 36 Pull Arm Guide Lock Claw 1 Remove the Lock claw to remove the Pull arm guide from the Joint cover top Fig 3 129 Joint cover top Lock claw Pull arm guide Pull arm guide Lock claw ...

Page 282: ...from the Joint cover top Fig 3 130 2 Remove the eight Taptite bind B M4x12 screws from the Joint cover top Fig 3 131 Joint cover top Joint film Joint film Joint cover top Joint cover top Taptite bind B M4x12 Taptite bind B M4x12 Taptite bind B M4x12 Taptite bind B M4x12 Front ...

Page 283: ...int cover top from the Main body Fig 3 132 Fig 3 133 Assembling Note When affixing the Joint film be sure to affix it to the Joint cover top as shown in the figure below Hook Main body Joint cover top Hook Hook Hook Hook Front Joint film Joint cover top 0 to 1 mm ...

Page 284: ...dy 2 Disconnect the Connector CN9 from the Main PCB ASSY 3 Disconnect the wiring from the Main PCB ASSY Fig 3 134 4 Remove the two Taptite bind B M4x12 screws to remove the NCU unit from the Main body Fig 3 135 Screw pan S P washer M3 5x6 Main body NCU FG harness ASSY Connector CN9 Main PCB ASSY Taptite bind B M4x12 NCU unit Main body ...

Page 285: ...remove the NCU shield cover from the NCU unit Fig 3 136 6 Remove the two Taptite cup S M3x6 SR screws to remove the NCU PCB ASSY from the NCU shield plate Fig 3 137 Screw pan S P washer M3 5x6 NCU shield cover NCU unit NCU shield plate NCU PCB ASSY Taptite cup S M3x6 SR ...

Page 286: ...Refer to NCU 9 39 Back Cover Upper 1 Remove the four Taptite bind B M4x12 screws from the Back cover upper 2 Release the two Hooks to remove the Back cover upper from the Main body Fig 3 139 NCU PCB ASSY NCU harness ASSY Taptite bind B M4x12 Hook Back cover upper Main body Taptite bind B M4x12 Hook ...

Page 287: ...PCB ASSY Fig 3 140 2 Remove the Taptite bind B M4x12 screw and Taptite cup S M3x6 SR screw from the Main body Fig 3 141 CN1 CN3 CN4 CN6 CN7 CN8 CN9 CN10 CN12 CN13 CN15 CN17 CN11 CN22 CN30 CN27 CN26 CN25 CN24 CN23 CN2 Main PCB ASSY Main body Taptite bind B M4x12 Taptite cup S M3x6 SR Joint cover ...

Page 288: ...3 107 Confidential 3 Release the two Hooks to remove the Joint cover from the Main body Fig 3 142 Harness routing Refer to USB Hook Main body Hook Joint cover Joint cover Main body ...

Page 289: ...the USB host relay PCB ASSY from the Joint cover Fig 3 143 2 Disconnect the Connector CN2 of Main USB host harness ASSY from the USB host relay PCB ASSY Fig 3 144 Taptite bind B M4x12 Joint cover USB host relay PCB ASSY 1a 1b Boss Boss Panel ground plate USB host relay PCB ASSY Main USB host harness ASSY ...

Page 290: ...nector CN17 and cables from the Main PCB ASSY Fig 3 145 2 Release the Hook to remove the Wireless LAN holder from the Main body Fig 3 146 CN9 CN1 CN3 CN4 CN6 CN7 CN8 CN10 CN12 CN13 CN15 CN17 CN11 CN22 CN30 CN27 CN26 CN25 CN24 CN23 CN2 Main PCB ASSY Hook Main body Wireless LAN holder ...

Page 291: ... Wireless LAN holder Fig 3 147 4 Disconnect the Connector of Main wireless LAN harness ASSY from the Wireless LAN PCB Fig 3 148 Harness routing Refer to Wireless LAN PCB Hook Hook Hook Wireless LAN holder Wireless LAN PCB 3a 3b Wireless LAN PCB Main wireless LAN Connector harness ASSY ...

Page 292: ...ctor CN10 and cables from the Main PCB ASSY Fig 3 149 2 Release the Hook to remove the Speaker hold spring from the Main body Fig 3 150 CN9 CN1 CN3 CN4 CN6 CN7 CN8 CN10 CN12 CN13 CN15 CN17 CN11 CN22 CN30 CN27 CN26 CN25 CN24 CN23 CN2 Main PCB ASSY Hook Speaker hold spring Main body ...

Page 293: ...3 112 Confidential 3 Remove the Speaker unit from the Main body Fig 3 151 Harness routing Refer to Speaker Main body Speaker unit ...

Page 294: ...he Joint cover base ASSY Fig 3 152 2 Remove the two Taptite bind B M4x12 screws from the Joint cover base ASSY Fig 3 153 Joint cover base ASSY Taptite cup S M3x8 Taptite cup S M3x8 Main body Taptite cup S M3x8 Front Joint cover base ASSY Main body Taptite bind B M4x12 Taptite bind B M4x12 Back side ...

Page 295: ...3 114 Confidential 3 Release the ten Hooks to remove the Joint cover base ASSY from the Main body Fig 3 154 Joint cover base ASSY Main body Hook Hook Hook Hook Front Hook ...

Page 296: ... Top drive ASSY Fig 3 156 Note After disconnecting flat cable s check that each cable is not damaged at its end or shortcircuited When connecting flat cable s do not insert them at an angle After insertion check that the cable are not at an angle CN1 CN3 CN4 CN6 CN7 CN8 CN9 CN10 CN12 CN13 CN15 CN17 CN11 CN22 CN30 CN27 CN26 CN25 CN24 CN23 CN2 Main PCB ASSY Top drive ASSY Main PCB ASSY Taptite cup S...

Page 297: ...ws to remove the Engine PCB ASSY from the Top drive ASSY Fig 3 158 Note After disconnecting flat cable s check that each cable is not damaged at its end or shortcircuited When connecting flat cable s do not insert them at an angle After insertion check that the cable are not at an angle CN12 CN11 CN9 CN13 CN14 CN10 CN8 CN5 CN3 CN2 CN1 CN15 CN25 CN23 CN22 CN21 CN20 CN19 CN18 CN17 CN16 Engine PCB AS...

Page 298: ...eet from the Top drive ASSY Fig 3 159 2 Remove the three Taptite cup S M3x6 SR screws to remove the Main shield plate from the Top drive ASSY Fig 3 160 Main insulation sheet Top drive ASSY Left side Top drive ASSY Left side Main shield plate Hook Taptite cup S M3x6 SR ...

Page 299: ...ve the Develop FFC holder from the Upper cable rack Fig 3 161 5 Disconnect cables from the Upper cable rack 6 Release the four Hooks to remove the Upper cable rack from the Base frame unit Fig 3 162 Upper cable rack Hook Develop FFC holder Left side Hook Upper cable rack Hook Base frame unit Left side Hook ...

Page 300: ...aptite cup S M3x6 SR screws to remove the four Scanner holders Fig 3 164 Base frame unit Top beam Taptite cup S M3x6 SR Front Taptite cup S M3x6 SR Scanner holder Taptite cup S M3x6 SR Taptite cup S M3x6 SR Taptite cup S M3x6 SR Taptite cup S Scanner holder Scanner holder Scanner holder M3x6 SR Base frame unit Scanner holder Laser unit Front ...

Page 301: ... Fig 3 165 Harness routing Refer to Laser Unit Note After disconnecting flat cable s check that each cable is not damaged at its end or shortcircuited When connecting flat cable s do not insert them at an angle After insertion check that the cable are not at an angle Base frame unit Laser unit Connector 9a 9b Front Flat cable Flat cable 9a ...

Page 302: ...te the Develop release motor counterclockwise to release the Hook to remove the Develop release motor from the Top drive ASSY Fig 3 167 Harness routing Refer to Develop Release Motor Top drive ASSY Taptite bind S M3x6 Develop release motor Left side Left side Develop release motor Top drive ASSY Hook 2b 2a ...

Page 303: ... Disconnect the wiring of the Front cover sensor from the Panel cable rack 2 Release the two Hooks to remove the Front cover sensor Fig 3 168 Harness routing Refer to Front Cover Sensor Pin Hook Hook Panel cable rack Left side Front cover sensor ...

Page 304: ...oks to remove the Lower cable rack from the Top drive ASSY Fig 3 169 3 Disconnect cables from the PF line holder 4 Release the three Hooks to remove the PF line holder from the Top drive ASSY Fig 3 170 Hook Hook Hook Lower cable rack Top drive ASSY Left side Hook Hook Top drive ASSY PF line holder Left side ...

Page 305: ...e ASSY Fig 3 171 8 Remove the Taptite cup S M3x6 SR screw and the Taptite pan washer B M4x12DA screw and then remove the Grand plate from the Top drive ASSY and PF cleaner drive ASSY Fig 3 172 Hook Hook Top drive ASSY Panel cable rack Taptite cup S M3x6 SR Left side Hook Grand plate Top drive ASSY PF cleaner drive ASSY Taptite pan washer B M4x12DA Left side Taptite cup S M3x6 SR ...

Page 306: ...ure to hang the FG wire under bar rear on the Hook of the Base frame unit as shown in the figure before removing and installing the Top drive ASSY Be sure to install the FG wire under bar rear in the Top drive ASSY when installing the Top drive ASSY Taptite bind B Taptite cup S Base frame unit M3x6 SR M4x12 Hook Base frame unit FG wire under bar rear FG wire under bar rear Top drive ASSY ...

Page 307: ...elop release cam 11 Release the two Hooks to remove the Top drive ASSY from the Base frame unit Fig 3 174 Harness routing Refer to Top Drive ASSY Hook Hook Base frame unit Top drive ASSY Left side Forced develop release cam Forced develop release cam Develop forced release part Pin ...

Page 308: ...ed Develop Release Link 1 Remove the Forced develop release link from the Forced develop release cam Fig 3 175 Forced develop release cam Forced develop Forced develop Forced develop release link release link Left side release cam ...

Page 309: ...Z52 from the Top drive ASSY Fig 3 176 Gear position Refer to Top drive ASSY 2 Remove the two Drum idle gear Z64 from the Top drive ASSY Fig 3 177 Gear position Refer to Top drive ASSY Top drive ASSY Drum coupling gear Z52 Drum coupling gear Z52 Drum idle gear Z64 Top drive ASSY ...

Page 310: ...ollar 6 from the Drum idle gear Z64 first Fig 3 178 4 Remove the Drum idle gear Z64 first from the Top drive ASSY Fig 3 179 Gear position Refer to Top drive ASSY Drum idle gear Z64 first Collar 6 Drum idle gear Z64 first Top drive ASSY ...

Page 311: ... from the Top drive ASSY Fig 3 180 Harness routing Refer to Top Drive ASSY Assembling Note Align the phase of the Drum idle gear Z64 Drum idle gear Z64 first and Drum coupling gear Z52 Refer to 6 IF YOU REPLACE THE DRUM DRIVE MOTOR in Chapter 4 Top drive ASSY Drum drive motor Screw bind M3x4 ...

Page 312: ...onnect the wiring of the Drum position sensor PCB ASSY 3 Release the two Hooks to remove the Drum position sensor PCB ASSY from the Top drive ASSY Fig 3 182 Harness routing Refer to Top Drive ASSY Note Be sure to align the phase before removing the gear Top drive ASSY Drum coupling gear Z52 Drum coupling gear Z52 Hook Top drive ASSY Hook Drum position sensor PCB ASSY ...

Page 313: ... solenoid ASSY 2 Remove the Taptite cup S M3x6 SR screw to remove the Registration solenoid ASSY and Registration solenoid spring from the Top drive ASSY Fig 3 183 Harness routing Refer to Top Drive ASSY Taptite cup S M3x6 SR Registration solenoid ASSY Registration solenoid spring Top drive ASSY ...

Page 314: ...op drive ASSY Fig 3 184 2 Turn the Top drive cover upside down and disconnect the wiring of the Develop release sensor PCB ASSY 3 Release the Hook to remove the Develop release sensor PCB ASSY from the Top drive cover Fig 3 185 Taptite cup S M3x6 SR Top drive ASSY Top drive cover Taptite cup S M3x6 SR Hook Top drive cover Develop release sensor PCB ASSY 3a 3b 3c ...

Page 315: ...er to Top drive ASSY 5 Remove the Taptite cup S M3x6 SR screw to remove the Mono solenoid ASSY and Mono solenoid spring from the Top drive ASSY Fig 3 187 Harness routing Refer to Top Drive ASSY Gear Z63 30 Top drive ASSY Taptite cup S M3x6 SR Top drive ASSY Mono solenoid ASSY Mono solenoid spring ...

Page 316: ...SSY 1 Remove the four Taptite cup S M3x6 SR screws to remove the Fuser develop motor ASSY from the Top drive ASSY Fig 3 188 Harness routing Refer to Top Drive ASSY Taptite cup S M3x6 SR Top drive ASSY Taptite cup S M3x6 SR Fuser develop motor ASSY ...

Page 317: ...ng and installing the PF plate ASSY be sure to hang the FG wire under bar on the Hook of the Base frame unit as shown in the figure before removing and installing the Top drive ASSY Be sure to install the FG wire under bar in the PF plate ASSY when installing the PF plate ASSY Taptite bind B M4x12 Taptite bind B M4x12 Taptite cup S M3x6 SR PF cleaner drive ASSY PF plate ASSY Left side FG wire PF c...

Page 318: ... and T1 registration solenoid spring from the PF cleaner drive ASSY Fig 3 191 Harness routing Refer to PF Plate ASSY Note Some of the gears on the PF cleaner drive ASSY easily come off and thus be careful not to lose them Taptite bind B M4x12 Base frame unit Taptite bind B M4x12 Left side PF cleaner drive ASSY Taptite bind B M3x8 PF cleaner drive ASSY T1 solenoid ASSY T1 registration solenoid spri...

Page 319: ...he Toner reset holder Fig 3 192 2 Release the six Hooks to remove the Toner New sensor PCB ASSY from the Toner reset holder Fig 3 193 Harness routing Refer to Toner New Sensor PCB ASSY Hook Toner reset holder TE sensor protect film Left side Toner reset holder Hook Left side Hook Pin Pin Toner New sensor PCB ASSY ...

Page 320: ...Refer to Internal Temperature Thermistor Assembling Note Insert the tip of the Internal temperature thermistor firmly into the Insertion hole until it reaches the end of the Hole After inserting the Internal temperature thermistor hang the Harness on the Hook Left side Main body Internal temperature thermistor Main body Internal temperature thermistor Hook ...

Page 321: ...voltage power supply PCB ASSY Fig 3 196 2 Pull out the Fuser fan from the Paper eject ASSY by slightly rotating it in the arrow direction in the figure below Fig 3 197 CN4 High voltage power supply PCB ASSY Connector Right side Fuser fan Paper eject ASSY Label Right side Fuser fan ...

Page 322: ...3 141 Confidential Fig 3 198 Assembling Note When assembling the Fuser fan be sure to assemble it in a way that the label side faces out Label Right side Paper eject ASSY Fuser fan ...

Page 323: ... voltage power supply PCB ASSY 2 Remove the five Taptite cup S M3x6 SR screws to remove the Paper eject ASSY from the Base frame unit Fig 3 199 Harness routing Refer to Paper Eject ASSY Taptite cup S M3x6 SR Base frame unit Paper eject ASSY Taptite cup S M3x6 SR Taptite cup S M3x6 SR Back side ...

Page 324: ...3 143 Confidential 9 62 Filter ASSY 1 Remove the Filter ASSY from the Paper eject ASSY Fig 3 200 Paper eject ASSY Filter ASSY 1a 1a 1b ...

Page 325: ...Paper Eject Motor 1 Remove the two Taptite bind S M3x6 screws to remove the Paper eject motor from the Paper eject ASSY Fig 3 201 Harness routing Refer to Paper Eject ASSY Taptite bind S M3x6 Paper eject ASSY Paper eject motor ...

Page 326: ... Cover Sensor ASSY 1 Release the two Hooks to remove the Back cover sensor ASSY from the Paper eject ASSY Fig 3 202 Harness routing Refer to Paper Eject ASSY Hook Back cover sensor ASSY Back cover sensor ASSY Paper eject ASSY Hook ...

Page 327: ...ct the Connector CN5 from the High voltage power supply PCB ASSY Fig 3 203 2 Remove the Power fan from the Base frame unit Fig 3 204 Right side High voltage power supply PCB ASSY Connector CN5 Power fan Base frame unit Label Right side Power fan ...

Page 328: ...3 147 Confidential Fig 3 205 Assembling Note When assembling the Power fan be sure to assemble it in a way that the label side faces out Base frame unit Label Right side Power fan ...

Page 329: ...emove the Back flapper ASSY from the Low voltage power supply cover Fig 3 206 2 Release the two Hooks to remove the Switch holder from the Base frame unit Fig 3 207 Pin Low voltage power Back flapper ASSY Pin supply cover Back side Hook Base frame unit Switch holder Hook Right side ...

Page 330: ...3 208 4 Remove the screw a of the Screw pan S P washer M4x8 from the Low voltage power supply unit to remove the ground terminal Fig 3 209 Taptite flat B M3x10 Low voltage power AC inlet Pin supply unit Right side Low voltage power supply unit Ground terminal Right side Screw pan S P washer Screw pan S P washer M4x8 a M4x8 b ...

Page 331: ...t Sensor PCB ASSY 1 Release the Hook to remove the Paper eject sensor PCB ASSY from the Low voltage power supply cover Fig 3 211 Harness routing Refer to Low voltage Power Supply PCB ASSY Taptite cup S M3x8 Taptite cup B M3x12 Base frame unit Low voltage power supply unit Back side Taptite cup S Taptite cup B M3x8 M3x12 Hook Low voltage power supply cover 1a 1b 1b 1a Hook Pin Pin A view A view Pap...

Page 332: ...Low voltage power supply plate from the Low voltage power supply cover Fig 3 212 3 Disconnect the Connector CN1 to remove the Power switch holder from the Low voltage power supply PCB ASSY Fig 3 213 Taptite pan washer B Screw pan S P washer M4x8 Low voltage power Taptite pan washer B Low voltage power supply ground plate M4x12DA M4x12DA supply plate Low voltage power supply cover Hook Harness Harn...

Page 333: ...N2 from the Low voltage power supply PCB ASSY Fig 3 214 5 Release the two Hooks to remove the Power switch from the Power switch holder Fig 3 215 CN2 CN102 CN101 CN103 CN1 Low voltage power supply PCB ASSY Hook Power switch holder Power switch Hook ...

Page 334: ...e four Screw cup M3x6 screws to remove the Low voltage power supply PCB ASSY from the Low voltage power supply plate Fig 3 216 Taptite bind B M3x8 Low voltage power Low voltage power supply Taptite bind B M3x8 PCB ASSY supply plate ...

Page 335: ...r springs from the Low voltage power supply unit Fig 3 217 2 Press the stopper and then slide the Cleaner pinch roller to remove it from the Low voltage power supply unit Fig 3 218 Pin Flapper spring Front chute flapper Low voltage power supply unit Hook Pin Flapper spring Cleaner pinch roller holder stopper Low voltage power supply unit 2a 2c 2b ...

Page 336: ...ing of the Cleaner pinch roller holder to remove the Cleaner pinch roller ASSY 4 Remove the other three Cleaner pinch roller ASSY in the same way Fig 3 219 Cleaner pinch roller holder Cleaner spring Cleaner pinch roller ASSY Cleaner spring 3b 3a 3a ...

Page 337: ...h voltage power supply PCB ASSY Fig 3 220 2 Remove the two Taptite bind B M3x10 screws to remove the Registration mark sensor holder ASSY from the Base frame unit Fig 3 221 High voltage power supply PCB ASSY CN8 Shutter solenoid Connector Taptite bind B M3x10 Base frame unit Back side Registration mark sensor holder ASSY ...

Page 338: ...Y Fig 3 222 Fig 3 223 Harness routing Refer to Registration Mark Sensor Holder ASSY Assembling Note Be sure to firmly insert the tip of the Pin of the Shutter solenoid into A of the Registration sensor shutter Taptite bind B M3x10 Shutter solenoid Pin Registration mark sensor holder ASSY Registration sensor shutter Shutter solenoid A ...

Page 339: ...PCB ASSY 1 Press A to release the Hook and then remove the MP upper frame cover from the MP upper cover ASSY Fig 3 224 2 Remove the MP lift arm B from the MP upper cover ASSY Fig 3 225 MP upper cover ASSY MP upper frame cover A Hook MP upper cover ASSY MP lift arm B ...

Page 340: ...he Hook to remove the MP holder bush from the MP upper cover ASSY Fig 3 226 4 Remove the MP roller holder ASSY from the MP upper cover ASSY Fig 3 227 Hook MP upper cover ASSY MP holder bush MP upper cover ASSY MP roller holder ASSY ...

Page 341: ...gear from the Base frame unit Fig 3 228 Gear position Refer to PF ASSY 6 Remove the Pinch roller drive gear from the Base frame unit Fig 3 229 Gear position Refer to PF ASSY Base frame unit Registration gear Base frame unit Pinch roller drive gear ...

Page 342: ...ion Refer to PF ASSY 8 Remove the two Taptite bind B M3x8 screws Slide the MP drive shaft as shown in the figure Remove the MP upper cover ASSY from the PF ASSY Fig 3 231 Hook Base frame unit Registration Pinch roller gear bush Taptite bind B M3x8 PF ASSY MP upper cover ASSY Taptite bind B M3x8 Separation R shaft bush MP drive shaft ...

Page 343: ...g 3 232 10 Release the two Hooks to remove the MP paper empty actuator A ASSY from the MP upper cover ASSY Fig 3 233 Hook MP upper cover ASSY Sensor cover MP Hook Hook Hook MP upper cover ASSY MP paper empty actuator A ASSY MP paper empty actuator A ASSY MP paper empty actuator B MP paper empty actuator B ...

Page 344: ...actuator B from the MP upper cover ASSY Fig 3 234 12 Release the Hook to remove the Separation R shaft bush from the MP drive shaft Fig 3 235 Hook MP upper cover ASSY Align here Align here 11b 11c 11a MP paper empty actuator B Hook Separation R shaft bush MP drive shaft ...

Page 345: ...tuator Fig 3 236 14 Take out the MP drive shaft and then remove the MP registration actuator front from the MP upper cover ASSY Fig 3 237 MP registration front actuator spring Hook MP registration front actuator MP upper cover ASSY MP drive shaft MP upper cover ASSY MP registration actuator front 14a 14b ...

Page 346: ...move the Taptite bind B M3x8 screw and then remove the MP paper empty registration front sensor PCB ASSY from the MP upper cover ASSY Fig 3 238 Harness routing Refer to MP Paper Empty Registration Front Sensor PCB ASSY Taptite bind B M3x8 MP upper cover ASSY MP paper empty registration front sensor PCB ASSY ...

Page 347: ... the Roller holder ASSY in the direction of the arrow 2 to remove it from the C of the Paper feed unit 3 Slide the Roller holder ASSY in the direction of the arrow 3a and 3b in this order to remove it Fig 3 240 1b 1a Front Roller holder ASSY Roller holder ASSY B A T1 lift arm T1 lift arm Paper feed unit Roller holder ASSY C Paper feed unit 3b 3a 2 ...

Page 348: ...of the arrow 4a to remove it from the Boss of the PF ASSY Fig 3 242 Assembling Note Align the Shaft of the roller holder ASSY to the hole of the Paper feed unit and insert it into the hole Roller holder ASSY Paper feed unit b a Hole Shaft a Paper feed unit PF ASSY Boss PF ASSY T1 lift arm T1 lift arm Boss 4b 4a Front ...

Page 349: ...crew from the PF ASSY 6 Remove the two Taptite bind B M4x12 screws then shift the PF ASSY to the right and remove it from the Base frame unit Fig 3 243 Harness routing Refer to PF ASSY PF ASSY Shoulder screw Taptite bind B M4x12 Base frame unit ...

Page 350: ...on front rear sensor PCB holder from the PF ASSY Fig 3 244 3 Release the three Hooks to remove the T1 registration front rear sensor PCB ASSY from the T1 registration front rear sensor PCB holder Fig 3 245 Harness routing Refer to PF ASSY Taptite bind B M3x10 PF ASSY T1 registration front rear sensor PCB holder Hook T1 registration front rear Hook sensor PCB ASSY T1 registration front rear sensor ...

Page 351: ...move the MP sector solenoid and Solenoid spring MP from the PF ASSY Fig 3 246 Fig 3 247 Harness routing Refer to PF ASSY Assembling Note When assembling the MP sector solenoid be sure to assemble it as shown in the figure below Taptite bind B M3x8 PF ASSY MP sector solenoid Solenoid spring MP MP sector solenoid PF ASSY MP sector lever ...

Page 352: ... the MP drive frame 2 Remove A of the Registration roller ground wire 3 Remove the MP drive frame from the PF ASSY Fig 3 248 4 Release the Hook to remove the Separation R shaft bush from the T1 drive shaft gear Z17M07 Fig 3 249 Pin MP drive frame Registration roller ground wire A PF ASSY Taptite bind B M3x10 Taptite bind B M3x10 Hook T1 drive shaft gear Z17M07 Separation R shaft bush PF ASSY ...

Page 353: ... the Hook of the T1 paper edge actuator Fig 3 250 6 Take out the T1 drive shaft gear Z17M07 from the PF ASSY and then remove the T1 paper edge actuator Fig 3 251 Hook T1 paper edge actuator spring PF ASSY T1 paper edge actuator Hook PF ASSY T1 drive shaft gear Z17M07 T1 paper edge actuator 6a 6b ...

Page 354: ... the T1 paper edge sensor PCB ASSY from the PF ASSY Fig 3 252 Harness routing Refer to PF ASSY 9 76 Cleaner Drive Gear 15 1 Press the Hook of the Cleaner drive gear 15 and then remove it from the Main body Fig 3 253 Hook T1 paper edge sensor PCB ASSY PF ASSY Main body Cleaner drive gear 15 Hook Cleaner drive gear 15 ...

Page 355: ...SY 1 Remove the High voltage power supply protect film from the Base frame unit Fig 3 254 2 Remove the four Spacers from the Base frame unit Fig 3 255 High voltage power supply protect film Base frame unit Right side Right side Base frame unit Spacer Spacer ...

Page 356: ...nectors CN1 CN2 from the High voltage power supply PCB ASSY Fig 3 256 4 Remove the two Taptite cup S M3x6 SR screws Fig 3 257 CN1 CN2 CN4 CN5 CN8 CN7 CN6 High voltage power supply PCB ASSY Taptite cup S M3x6 SR High voltage power supply PCB ASSY ...

Page 357: ... CN6 CN7 Fig 3 258 7 Release the Hook to remove the High voltage power supply shield ASSY from the High voltage power supply PCB ASSY Fig 3 259 Hook Hook Hook Hook High voltage power supply PCB ASSY Base frame unit High voltage power supply PCB ASSY CN6 CN7 5 Right side 6 6 Hook High voltage power supply PCB ASSY High voltage power supply shield ASSY ...

Page 358: ...to remove the Waste toner sensor cover from the Base frame unit Fig 3 260 2 Release the three Hooks to remove the Waste toner sensor from the Base frame unit Fig 3 261 Hook Base frame unit Waste toner sensor cover Front Hook Base frame unit Hook Hook Waste toner sensor ...

Page 359: ...3 178 Confidential 3 Disconnect the Connector from the Waste toner sensor Fig 3 262 Connector Waste toner sensor ...

Page 360: ... four Hooks to remove the Air duct cover from the Base frame unit Fig 3 263 2 Disconnect the wiring of the Blower 3 Remove the Blower from the Base frame unit Fig 3 264 Hook Base frame unit Air duct cover Hook Right side Base frame unit Label Blower Right side ...

Page 361: ...3 180 Confidential Fig 3 265 Assembling Note When assembling the Blower be sure to assemble it in a way that the label side faces up Base frame unit Label Right side Blower ...

Page 362: ...e T2 paper tray unit from the main body Fig 3 266 2 Release the two Hooks of the T2 separation pad ASSY to remove them in the upward direction Fig 3 267 Note Be careful not to loose the T2 separation pad spring T2 paper tray unit Main body Hook Hook T2 separation pad ASSY T2 paper tray unit ...

Page 363: ...3 182 Confidential 3 Remove the T2 separation pad spring from the T2 separation pad ASSY Fig 3 268 T2 separation pad ASSY T2 separation pad spring ...

Page 364: ...of the arrow 2a Fig 3 269 Fig 3 270 Assembling Note When assembling the T2 separation roller ASSY be sure to assemble it by sliding it in the direction of the arrow b as rotating the T2 separation roller ASSY in the direction of the arrow a Hook T2 separation roller ASSY T2 separation roller ASSY T2 paper feed frame unit T2 paper feed drive shaft T2 paper feed drive shaft 1 2b 2a a b T2 separation...

Page 365: ...3 184 Confidential 3 Release the Hooks to remove the Feed roller ASSY from the Paper feed shaft Fig 3 271 Hook Paper feed shaft Feed roller ASSY T2 paper feed frame unit ...

Page 366: ... the two Taptite cup S M3x10 SR screws from the T2 cover rear Fig 3 272 2 Remove the two Pins to remove the T2 cover rear from the Main body Fig 3 273 T2 cover rear Taptite cup S M3x10 SR Taptite cup S M3x10 SR Pin Pin T2 cover rear 2a 2b Main body ...

Page 367: ...he T2 cover left Fig 3 274 2 Remove the one Pin and then release the two Hooks at the top 3 Release the two Hooks at the bottom to remove the T2 cover left from the T2 frame L unit Fig 3 275 Taptite cup S M3x6 SR Taptite cup S M3x6 SR T2 cover left Hook Hook Pin T2 cover left T2 frame L unit ...

Page 368: ...T2 cover right Fig 3 276 2 Remove the one Pin and then release the two Hooks at the top 3 Release the three Hooks at the bottom to remove the T2 cover right from the T2 frame L unit Fig 3 277 Taptite cup S M3x6 SR Taptite cup S M3x6 SR T2 cover right T2 cover right Hook Hook Pin T2 frame L unit ...

Page 369: ...Y Fig 3 278 2 Remove the Taptite cup S M3x6 SR screw to remove the T2 relay PCB ASSY from the T2 frame L unit Fig 3 279 T2 relay PCB ASSY Not used T2 paper edge sensor T2 plate up detection sensor T2 connector T2 plate up motor T2 solenoid T2 relay PCB ASSY Taptite cup S M3x6 SR 2a 2b T2 frame L unit ...

Page 370: ... ASSY from the T2 frame L unit Fig 3 280 2 Remove the Screw flanged M3x3 5 screw to remove the T2 solenoid ASSY and T2 solenoid spring MP from the T2 solenoid holder Fig 3 281 Taptite cup S M3x6 SR T2 frame L unit T2 solenoid holder ASSY Screw flanged M3x3 5 T2 solenoid holder T2 solenoid spring MP T2 solenoid ASSY ...

Page 371: ...3 190 Confidential 10 8 Collar 6 1 Remove the two pieces of the Collar 6 from the Fittings shaft Fig 3 282 Fittings shaft Collar 6 ...

Page 372: ...Feed Frame Unit 1 Remove the Clutch spring from the Clutch arm ASSY Fig 3 283 2 Release the Hook to remove the Gear 45 40 from the T2 frame L unit Fig 3 284 Clutch arm ASSY Clutch arm ASSY Clutch spring Gear 45 40 T2 frame L unit Hook ...

Page 373: ...3 192 Confidential 3 Remove the Collar 6 from the Clutch arm ASSY Fig 3 285 4 Remove the Clutch arm ASSY from the T2 frame L unit Fig 3 286 Collar 6 Clutch arm ASSY T2 frame L unit Clutch arm ASSY ...

Page 374: ...beam F ASSY from the T2 frame L unit Fig 3 287 6 Remove the Retaining ring E4 from the F roller and then remove the Gear 24 and FR bush Fig 3 288 Taptite cup S M3x6 SR T2 beam F ASSY T2 frame L unit Taptite cup S M3x6 SR Taptite cup S M3x6 SR F roller Retaining ring E4 Gear 24 FR bush ...

Page 375: ...Fig 3 289 8 Remove the Lift spring from the Hook of the Lift lever A 9 Remove the F roller from the T2 frame L unit in the directions of the arrows 9a 9b and 9c in this order Fig 3 290 F roller Retaining ring E3 FR bush TR Lift lever A Lift lever A Hook Lift spring 8 9a 9c T2 frame L unit F roller 9b ...

Page 376: ...n assembling the F roller be sure to assemble it in a way that the Rib of the T2 paper feed frame unit comes between A and B of the Lift lever B and the lever of the T2 paper feed holder unit comes in front of B F roller T2 paper feed frame unit Lift lever B A B lever T2 paper feed holder unit Rib Hook T2 frame L unit Gear 20A ...

Page 377: ...33 from the T2 frame L unit Fig 3 293 12 Remove the Extension spring from the Spring hook 13 Release the Hook to remove the Gear 46 55 from the T2 frame L unit Fig 3 294 Hook T2 frame L unit Gear 33 Hook T2 frame L unit Gear 46 55 Extension spring Spring hook ...

Page 378: ...e the Gear 46 from the T2 frame L unit Fig 3 295 15 Turn the T2 frame L unit upside down 16 Remove the two Taptite cup S M3x6 SR screws from the T2 beam front Fig 3 296 T2 frame L unit Gear 46 T2 beam front Taptite cup S M3x6 SR ...

Page 379: ...o the original position 18 Remove the two Taptite cup S M3x6 SR screws from the T2 beam rear Fig 3 297 19 Remove the two Taptite cup S M3x6 SR screws from the T2 beam rear Fig 3 298 T2 beam rear Taptite cup S M3x6 SR Taptite cup S M3x6 SR T2 beam rear ...

Page 380: ...4x10 screw and Bush Fig 3 299 21 Remove the T2 paper feed frame unit from the T2 frame L unit in the direction of the arrows 21a and 21b in this order Fig 3 300 Taptite bind B M4x10 T2 frame L unit Bush T2 frame L unit T2 paper feed frame unit 21b 21a ...

Page 381: ...Confidential CHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...

Page 382: ...e 83 4 5 1 7 Performing the Adjustment of Inter color Position Alignment Maintenance Mode Code 66 4 5 1 8 Acquisition of White Level Data Maintenance Mode Code 55 4 5 1 9 Operational Check of Control Panel Button Maintenance Mode Code 13 4 5 1 10 Adjustment of Touch Panel Maintenance Mode Code 61 4 5 1 11 Operation Check of LCD Maintenance Mode Code 12 4 5 1 12 Operation Check of Sensors Maintenan...

Page 383: ...nter 4 9 5 1 1 Reset of irregular power supply detection counter using the PJL file 4 9 5 1 2 Reset of irregular power supply detection counter using the maintenance utility 4 9 6 IF YOU REPLACE THE DRUM DRIVE MOTOR 4 11 7 IF YOU REPLACE THE DOCUMENT SCANNER UNIT 4 13 7 1 Acquisition of White Level Data Maintenance Mode Code 55 4 13 7 2 Scanning and Printing Check 4 13 7 3 Placement of Scanner Uni...

Page 384: ...XP 2000 or later Create a temporary folder on the C drive for example 4 The maintenance tool Mainte zip Copy it into the temporary folder that has been created in the C drive Extract the copied file and execute brmainte exe file by double clicking it 5 The download utility FILEDG32 EXE Copy it into the temporary folder that has been created in the C drive 6 The Brother maintenance USB printer driv...

Page 385: ... switch of the machine off Turn on the power as pressing the 5 button Check that appears on the LCD 2 Connect the computer to the machine with the USB cable 3 Double click the FILEDG32 EXE to start The following screen appears Select the Brother Maintenance USB Printer 4 Drag and drop a program file that you want to rewrite for instance LZXXXX_ upd onto the Brother Maintenance USB Printer icon in ...

Page 386: ...displayed wait for a while and take out the USB flash memory and insert it again When file names are displayed select the program files which need to be rewritten and repeat the above procedures 3 to 5 to rewrite all the selected program files 7 When the rewrite of the main firmware is finished the machine automatically restarts 8 Remove the USB flash memory drive from the USB direct interface onc...

Page 387: ...ouble click the brmainte exe file maintenance utility which has been copied in the temporary folder to start 3 Select Input information from Menu 4 Select the applicable model name 5 Check the port USB that the machine is connected through 6 Click Serial No in the lower box Enter the serial number the fifteen digits of the machine into the box on the right hand side and click the OK button A confi...

Page 388: ...ter 5 1 8 Acquisition of White Level Data Maintenance Mode Code 55 Acquire the white level data in accordance with 1 4 17 Acquisition of white level data in Chapter 5 1 9 Operational Check of Control Panel Button Maintenance Mode Code 13 Check performance of the panel button in accordance with 1 4 8 Operational check of control panel button in Chapter 5 1 10 Adjustment of Touch Panel Maintenance M...

Page 389: ... of Density Sensor Maintenance Mode Code 72 Make sensitivity adjustments of the density sensor in accordance with 1 4 25 Sensitivity adjustment of density sensor in Chapter 5 2 2 Performing the Developing Bias Voltage Correction Maintenance Mode Code 83 Perform developing bias voltage correction in accordance with 1 4 31 Developing bias voltage correction in Chapter 5 2 3 Performing the Adjustment...

Page 390: ...f Density Sensor Maintenance Mode Code 72 Make sensitivity adjustments of the density sensor in accordance with 1 4 25 Sensitivity adjustment of density sensor in Chapter 5 3 2 Performing the Developing Bias Voltage Correction Maintenance Mode Code 83 Perform developing bias voltage correction in accordance with 1 4 31 Developing bias voltage correction in Chapter 5 3 3 Performing the Adjustment o...

Page 391: ...ance Mode Code 72 Make sensitivity adjustments of the density sensor in accordance with 1 4 25 Sensitivity adjustment of density sensor in Chapter 5 4 2 Performing the Developing Bias Voltage Correction Maintenance Mode Code 83 Perform developing bias voltage correction in accordance with 1 4 31 Developing bias voltage correction in Chapter 5 4 3 Performing the Adjustment of Inter color Position A...

Page 392: ...our times to enter the maintenance mode The machine displays on the LCD 2 Connect the PC to the machine with the USB cable 3 Double click the FILEDG32 EXE to start The following screen appears Select the Brother Maintenance USB Printer 4 Click the Brother Maintenance USB Printer icon to select Drag the SQWAVE PJL and drop it 5 1 2 Reset of irregular power supply detection counter using the mainten...

Page 393: ...ce in the Password box and then click the OK button The Password window disappears 6 Select Input information from Menu 7 Printer Information is displayed 8 Select the relevant model 9 Check the port USB which is connected to the machine 10 Select Clear SQ Wave Detected Count 11 Click the check box of ON to put a check in it 12 Click the OK button ...

Page 394: ...le gear Z64 first of Nos 1 to 3 mount them by aligning their phases as shown in the figure below Fig 4 2 1 LY0198001 Drum idle gear Z64 2 LY0199001 Drum idle gear Z64 first 3 LY0198001 Drum idle gear Z64 4 to 7 LY0196001 Drum coupling gear Z52 Top drive ASSY Drum idle gear Z64 Drum idle gear Z64 first Drum idle gear Z64 Mark Mark Mark Motor gear Align the phase of the mark Align the phase of the m...

Page 395: ... Top drive ASSY Mark on the sheet metal Mark on the sheet metal Mark on the sheet metal Drum coupling gear Z52 Drum coupling gear Z52 Drum coupling gear Z52 Drum coupling gear Z52 Align the phase of the mark Align the phase of the mark Align the phase of the mark Align the phase of the mark 4 5 6 7 on the gear to the mark on the sheet metal on the gear to the mark on the sheet metal on the gear to...

Page 396: ... of the ADF scanner unit and the performance of recording part 7 3 Placement of Scanner Unit in Position for Transportation Maintenance Mode Code 06 Perform the placement of document scanner unit in the position for transportation in accordance with 1 4 3 Placement of scanner unit in position for transportation in Chapter 5 8 IF YOU REPLACE THE PANEL UNIT OR LCD UNIT What to do when replacing the ...

Page 397: ...Confidential CHAPTER 5 SERVICE FUNCTIONS ...

Page 398: ...ng and printout Function code 10 11 5 12 1 4 7 Operational check of LCD Function code 12 5 16 1 4 8 Operational check of control panel button Function code 13 5 17 1 4 9 Software version check Function code 25 5 19 1 4 10 Operational check of sensors Function code 32 5 20 1 4 11 LAN connection status display Function code 33 5 24 1 4 12 PC print function Function code 43 5 25 1 4 13 Not disclosed ...

Page 399: ...dication Function code 82 5 62 1 4 31 Developing bias voltage correction Function code 83 5 63 1 4 32 Sending communication error list Function code 87 5 64 1 4 33 Counter reset after replacing the fuser unit and paper feeding kit Function code 88 5 64 1 4 34 Exit from the maintenance mode Function code 99 5 65 2 OTHER SERVICE FUNCTIONS 5 66 2 1 Developer Roller Counter Reset Function 5 66 2 2 Par...

Page 400: ...rvice personnel only However you can allow end users to access some of these under the guidance of service personnel by phone for example The end user accessible functions are shaded in the table given on the next page codes 06 09 10 11 12 25 43 45 52 53 54 66 68 71 72 80 82 87 88 and 91 Function code 10 accesses the firmware switches each of which has eight selectors The service personnel should ...

Page 401: ... 53 Received data transfer function 1 4 15 5 33 54 Fine adjustment of scan start end positions 1 4 16 5 35 55 Acquisition of white level data 1 4 17 5 37 61 Adjustment of touch panel 1 4 18 5 38 66 Adjustment of inter color position alignment 1 4 19 5 39 67 Continuous print test 1 4 20 5 43 68 Laser unit test pattern print 1 4 21 5 46 69 Frame pattern print One sided 1 4 22 5 47 70 Frame pattern p...

Page 402: ...f parameter initialization the machine returns to the initial state of the maintenance mode Data item Function code 01 Function code 91 Counter information These will not be initialized These will not be initialized Error History MAC Address Ethernet Address Operation lock of the control panel password These will be initialized Secure Function Lock Worker switch Telephone function registration One...

Page 403: ...on cannot be printed out even if this operation is implemented without scanning the document The print result varies depending on whether implementing color scanning or black and white scanning immediately before this operating procedure Make sure the white and black level data you want to print and implement the operation below Note In the case of the black and white scanning the output data B an...

Page 404: ... data 2 DOWN G 2 Bytes k LED pulse data 2 UP B 2 Bytes l LED pulse data 2 DOWN B 2 Bytes m LED pulse data 2 UP R 2 Bytes n LED pulse data 2 DOWN R 2 Bytes o RLCV AFE parameter 1 Byte p OFFSET AFE parameter 1 Byte q GAIN AFE parameter 2 Bytes r Background color compensated data 1 Byte s Black level data by previous scanning pixel count t White level data G by previous scanning pixel count u White l...

Page 405: ...5 6 Confidential Black and white scanning First side Fig 5 1 ...

Page 406: ...5 7 Confidential Black and white scanning Second side Fig 5 2 ...

Page 407: ...5 8 Confidential Color scanning First side Fig 5 3 ...

Page 408: ...5 9 Confidential Color scanning Second side Fig 5 4 ...

Page 409: ... and displays the result on the LCD Operating procedure 1 Load documents Do not exceed the paper capacity of the ADF DOC READY is displayed on the LCD 2 Press the 0 and 8 buttons in this order 3 While counting the documents the machine feeds them in and out displaying the number of pages on the LCD as shown below 4 When the Stop Exit button is pressed the machine beeps for one second and returns t...

Page 410: ...ck the quality and if there is any image loss Operating procedure 1 Press the 0 and 9 buttons in this order in the initial state of the maintenance mode 2 Printing of the monochrome image quality test pattern see the figure below starts and when printing is finished the machine beeps for one second and returns to the initial state of the maintenance mode Fig 5 5 ...

Page 411: ...Transfer facility setting WSW05 1st dial tone and busy tone detection WSW06 Redial Pause button setting and 2nd dial tone detection WSW07 Dial tone setting 1 WSW08 Dial tone setting 2 WSW09 Protocol definition 1 WSW10 Protocol definition 2 WSW11 Busy tone setting WSW12 Signal detection condition setting WSW13 Modem setting WSW14 AUTO ANS facility setting WSW15 Redial facility setting WSW16 Functio...

Page 412: ...gh speed USB and full speed USB WSW48 USB setup latency WSW49 End of copying beep WSW50 SDAA settings WSW51 Function setting 17 WSW52 Function setting 18 WSW53 Function setting 19 WSW54 Function setting 20 WSW55 Interval of time required for the developing bias voltage correction WSW56 Function setting 21 WSW57 Function setting 22 WSW58 Function setting 23 WSW59 Function setting 24 WSW60 Function ...

Page 413: ... the setting is prohibited WSW70 Reserved Change of the setting is prohibited WSW71 Reserved Change of the setting is prohibited WSW72 Reserved Change of the setting is prohibited WSW73 Reserved Change of the setting is prohibited WSW74 ADF stop control WSW75 Paper feeding parameter for turning the document counter when the machine takes action duplex scanning WSW76 The limited number of the docum...

Page 414: ...e of the maintenance mode The PRINTING will appear on the LCD 2 Printing of CONFIGURATION LIST see the figure below starts and when printing is finished the machine beeps for one second and returns to the initial state of the maintenance mode Fig 5 6 Note The function names specific to multi function machines are printed in CONFIGURATION LIST for convenience of program development They are invalid...

Page 415: ...e displays as shown below 3 When the Stop Exit button is pressed regardless of the display the machine cancels the operation beeps for one second and returns to the initial state of the maintenance mode Display 1 Backlight LCD Data LED Error LED ON Display of all dots OFF ON ON Display 2 Backlight LCD Data LED Error LED ON Display of all dots ON ON ON Display 3 Backlight LCD Data LED Error LED OFF...

Page 416: ...to the illustration below When the buttons are pressed in an incorrect order a warning beep goes off and INVALID OPERATE appears on the LCD at the same time Press the Stop Exit button and the press the correct buttons 3 After the last number button is pressed the machine beeps for one second and returns to the initial state of the maintenance mode MFC 9460CDN 9465CDN 9560CDW Fig 5 8 DCP 9055CDN Fi...

Page 417: ...dential MFC 9970CDW Fig 5 10 DCP 9270CDN Fig 5 11 1 21 22 23 24 25 38 39 40 41 42 26 29 32 35 27 30 33 36 28 31 34 37 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 18 17 16 4 5 6 7 8 9 10 11 12 13 1 2 3 14 15 ...

Page 418: ...h other When you press the OK button while ROM Check Sum is displayed check is automatically conducted for each ROM of each software part When the check sum is matched OK is displayed on the LCD When all ROMs result in OK ROM Check Sum OK is displayed at the end and the operation is finished When the check sum of any ROM is not matched NG is displayed and the display stops LCD Description TOTAL Ve...

Page 419: ...detection sensor Plate down Plate up T2 T2 connector Paper tray 2 installed not installed MP MP paper empty sensor MP tray paper not detected detected MR MP registration front sensor MP tray paper not detected detected CV Front cover sensor Front cover closed open RC Back cover sensor Back cover closed open RM Registration front sensor Paper not detected detected RA Registration rear sensor Paper ...

Page 420: ...X C NG HUM External temperature humidity sensor XX NG MAC Internal temperature sensor XX C NG BT Belt unit temperature sensor XX C NG LCD Sensors Sensing status OK NG DF Document front sensor Without documents With document DR Document first side rear sensor Without documents With document AC ADF cover sensor Close Open DB Document second side rear sensor Without documents With document Note The a...

Page 421: ... mark sensor Low voltage power supply unit holder ASSY ASSY Belt unit temperature sensor MP upper cover ASSY Waste toner sensor MP paper empty registration front sensor Toner sensor Black Toner sensor Yellow Toner sensor Magenta Toner sensor Cyan New toner sensor Black New toner sensor Yellow New toner sensor New toner sensor Magenta Cyan Toner New sensor PCB ASSY MP paper empty sensor MP registra...

Page 422: ...5 23 Confidential Fig 5 16 ADF cover sensor Lower chute ASSY Document first side rear sensor Document second side rear sensor Document front sensor Document front ADF open sensor ...

Page 423: ...re 1 Press the 3 button twice in the initial state of the maintenance mode 2 The display items in the table above are displayed 3 Press the Stop Exit button to return to the machine to the initial state of the maintenance mode LCD LAN connection status Active 100B FD 100BASE T Full Duplex Active 100B HD 100BASE T Half Duplex Active 10B FD 10BASE T Full Duplex Active 10B HD 10BASE T Half Duplex Ina...

Page 424: ...solution to print 300 600 1 200 dpi 600 Toner Save Switching of the Toner Save On Off Off Density Switching of the Density level 6 to 6 0 JB Can Time Setting of the time until the host time out at the Job Cancel 0 to 225 seconds 4 Sleep Time Setting of the time until enter the Sleep Mode 0 to 99 minutes 5 Pege Protection Switching of the protection of the page memory Off Letter A4 Legal Auto Off E...

Page 425: ...or for the print of the NetWorkConfig TestPrint Fontlist Configuration from the panel When select the tray on the computer the setting becomes effective And this setting is ignored Resolution Effective only for the print from the computer When set the Resolution on the computer the setting becomes effective And this setting is ignored Toner Save Effective for all print and change the setting of th...

Page 426: ...ve for the print from the computer P Pos X Offset Configure the setting for the offset print position of the landscape orien tation Effective for the print from the computer When set the X Offset on the computer the setting becomes effective And this setting is ignored P Pos Y Offset Configure the setting for the offset print position of the portrait orientation Effective for the print from the co...

Page 427: ...e device is connected to the computer To avoid this problem the return value of the serial No is dropped to 0 An asterisk appears beside the current setting Operating procedure 1 Press the 4 and 5 buttons in this order in the initial state of the maintenance mode The USBNo will appear on the LCD Then press the OK button 2 Press the or button to select USB No ON or USB No OFF and then press the OK ...

Page 428: ...color or the gray color is uneven upon printing An asterisk appears beside the current setting Operating procedure 1 Press the 4 and 5 buttons in this order in the initial state of the maintenance mode The USBNo will appear on the LCD 2 Press the or button to display DP ImpGray and then press the OK or Start Black button 3 Press the or button to select DP ImpGray ON or DP ImpGray OFF and then pres...

Page 429: ...al state of the maintenance mode The USBNo will appear on the LCD 2 Press the or button to display Regi Freq and then press the OK or Start Black button 3 Select Regi Freq Mid Regi Freq High or Regi Freq Low by pressing the or button and press the OK or Start Black button 4 Accepted is displayed on the LCD and the product goes back to the initial state of the maintenance mode LCD Description Regi ...

Page 430: ...s displayed on the LCD and the product goes back to the initial state of the maintenance mode Switching ON OFF of Deep Sleep function Function This function is to switch whether or not to permit the machine to go into Deep Sleep when StoreData Secure exists in the main body An asterisk appears beside the current setting Operating procedure 1 Press the 4 and 5 buttons in this order in the initial s...

Page 431: ...he or button to display the country name where the machine is used Press the OK button while the country name is being indicated The EEPROM is customized and the machine returns to the ready state Note This function is applicable to France and surrounding countries Pan Nordic East Europe Oceania and Iberia areas only Note The country name indicated on the LCD varies depending on the area code inpu...

Page 432: ...n The 4 COM LIST NEW appears To transfer the communication list for last three errors press the 5 button The 5 COM LIST ERR3 appears on the LCD 2 With the 2 ACTIVITY 3 DOCUMENTS 4 COM LIST NEW or 5 COM LIST ERR3 being displayed press the OK button The ENTER NO SET appears on the LCD 3 Enter the telephone number of the receiver machine and press the OK button again 4 The machine displays the ACCEPT...

Page 433: ...5 34 Confidential Cover page sample Fig 5 17 End page sample Fig 5 18 ...

Page 434: ...ent compensation level for the start position Compensation levels can be adjusted in 11 steps from 5 to 5 mm 4 Press the button to increase the correction value and the button to lower it When the Stop Exit button is pressed the machine beeps for one second and returns to the initial state of the maintenance mode 5 Set the compensation level and press the OK button The ACCEPTED will appear on the ...

Page 435: ...e adjusted in 11 steps from 5 to 5 mm 4 Press the button to increase the correction value and the button to lower it When the Stop Exit button is pressed the machine beeps for one second and returns to the initial state of the maintenance mode 5 Set the compensation level and press the OK button The ACCEPTED will appear on the LCD One second later the machine ADF FB will appear on the LCD 6 Press ...

Page 436: ...CB Operating procedure 1 Press the 5 button twice in the initial state of the maintenance mode 2 The Press START will appear on the LCD Press the Start Black button The SCANNER AREA SET will appear on the LCD 3 After a few seconds the machine saves the compensation of the white level data scanning width in the EEPROM beeps for one second and returns to the initial state of the maintenance mode ...

Page 437: ...n short circuit or entry of foreign objects in the touch panel frame Although any of these problems is not observed if NG is displayed replace the LCD unit Note The adjustment procedure requires a stylus with a thin tip A commercially available stylus designed for electronic dictionaries or personal digital assistance PDA can be used If you do not have it on hand order the STYLUS from the Brother ...

Page 438: ...ote If an error occurs after executing Maintenance Mode 66 upgrade the firmware to the latest one Refer to 1 1 Rewriting the Firmware Sub Firmware Main Firmware in Chapter 4 After upgrading the firmware execute Maintenance Mode 66 again Error message Measure FAILED Press the Start Black button to clear the error Adjust inter color position alignment manually in accordance with the procedure for ad...

Page 439: ...played 8 Press the Stop Exit button to return to the machine to the initial state of the maintenance mode Adjustment of inter color position alignment manual Operating procedure 1 Press the 6 button twice in the initial state of the maintenance mode REGISTRATION is displayed on the LCD Load paper on the tray 2 Press the or button to display PRINT CHART on the LCD and then press the OK button 3 Dis...

Page 440: ...5 41 Confidential Inter color position alignment adjustment chart Fig 5 22 ...

Page 441: ...ut value for adjustment of inter color position alignment manual Operating procedure 1 Press the 6 button twice in the initial state of the maintenance mode REGISTRATION is displayed on the LCD 2 Press the or button to display MANUAL REG RESET on the LCD and then press the OK button 3 Display PLEASE WAIT on the LCD If you want to perform adjustment of inter color position alignment again you may a...

Page 442: ...uous print pattern using or button and then press the OK button The available continuous print patterns are shown below KCMY1 and KCMY5 are available only for A4 and Letter 3 When SELECT A4 is displayed on the LCD select a relevant paper size using or button and then press the OK button The available paper sizes are shown below LCD SELECT K 100 SELECT C 100 SELECT M 100 SELECT Y 100 SELECT R 100 S...

Page 443: ...te of the maintenance mode LCD SELECT TRAY1 SELECT TRAY2 SELECT MP SELECT TRAY1 DX SELECT TRAY2 DX SELECT MP DX Note The test printing is stopped until there is no paper in a tray Press the Stop Exit button to stop if you check the paper feeding and ejecting operations Printing is resumed when paper is loaded in the tray In the case that the error occurs during test printing the continuous print i...

Page 444: ...5 45 Confidential Continuous print pattern Fig 5 23 SELECT K 100 SELECT C 100 SELECT M 100 SELECT Y 100 SELECT R 100 SELECT G 100 SELECT B 100 SELECT KCMY1 SELECT KCMY5 SELECT Lattice ...

Page 445: ... on the LCD take the measures described in the table below indicates the toner color K Y M or C of which cartridge became empty Laser unit test pattern Fig 5 24 Note When printing fails a relevant error is displayed on the LCD When the error factors are removed and the Start Black button is pressed the machine automatically recovers to the re executable state PRINTING is displayed on the LCD and t...

Page 446: ...de When an error message is displayed on the LCD take the measures described in the table below indicates the toner color K Y M or C of which cartridge became empty Note When printing fails a relevant error is displayed on the LCD Remove the cause of error and press the Start Black button and the product automatically goes back to the executable state and WAKU SX is displayed on the LCD Press the ...

Page 447: ...5 48 Confidential Fig 5 25 ...

Page 448: ...or message is displayed on the LCD take the measures described in the table below indicates the toner color K Y M or C of which cartridge became empty Fig 5 26 Note When printing fails a relevant error is displayed on the LCD Remove the cause of error and press the Start Black button and the product automatically goes back to the executable state and WAKU DX is displayed on the LCD Press the OK bu...

Page 449: ...e initial state of the maintenance mode When an error message is displayed on the LCD take the measures described in the table below indicates the toner color K Y M or C of which cartridge became empty LCD Description 2D3S YCMK_ _A One sheet for each color with full page print mode Total 4 sheet 2D3S MCYK 4 color horizontal band Total 1 sheet 2D3S Y Yellow Total 1 sheet 2D3S C Cyan Total 1 sheet 2...

Page 450: ...5 51 Confidential Color test pattern Fig 5 27 MCYK Y C K M YCMK_ _A ...

Page 451: ...the maintenance mode When an error message is displayed on the LCD take the measures described in the table below indicates the toner color Y M or C of which cartridge became empty Error message Measure FAILED Remove the error factors with the following operations and press the Start Black button to clear the error Re insert the toner cartridge in the correct position Replace the toner cartridge R...

Page 452: ...K button The machine saves the setting and displays the PARAMETER INIT on the LCD The machine beeps for one second and returns to the initial state of the maintenance mode Note When you replace the main PCB ASSY and rewrite the firmware forcibly be sure to carry out this procedure Note The machine does not work properly when an incorrect code is entered Memo When the Stop Exit button is pressed or...

Page 453: ...1066 0118 0165 0218 0265 0118 0166 Switzerland 1004 1004 0110 0210 0110 Norway 1004 1004 0107 0157 0207 0257 0107 0157 Sweden 1004 1004 0126 0157 0226 0257 0126 0157 Finland 1004 1004 0112 0157 0212 0257 0112 0157 Denmark 1004 1004 0113 0157 0213 0257 0113 0517 Slovakia 1004 1004 0130 0188 Bulgaria 1004 1004 0132 0188 Rumania 1004 1004 0133 0188 Czech 1004 1004 0137 0188 Hungary 1004 1004 0138 018...

Page 454: ...ion of this adjustment the OK appears on the LCD 4 Press the Stop Exit button to return to the machine to the initial state of the maintenance mode LCD Description REGI ADJ BELTOFF Adjust the sensitivity of the registration mark sensor when the belt unit is not operated This is to check whether the registration mark sensor s operation is okay or not REGI BELT CHECK Check that there are no scratche...

Page 455: ...ots among the error noises detected by the registration mark sensor L and registration mark sensor R respectively 1 to 999 When an error noise of which width exceeds 999 is detected L 999 R 999 is displayed Error message Description Solution REGI_ADJ NG Registration mark sensor failure Execute the adjustment of inter color position alignment manual Refer to Adjustment of inter color position align...

Page 456: ...ndication will appear on the LCD as shown in the figure below 2 Press the Start Black button to check the next item For operation check spin or stop fans actually on each item 3 Press the Stop Exit button so that the machine stops checking the fans beeps for one second and returns to the initial state of the maintenance mode Fig 5 28 Location of fans Fig 5 29 LCD Parts name Description F Fuser fan...

Page 457: ...ed Date of last replacement Toner related items CTN_PG1 Number of printed pages by cyan toner CTN_PG2 Number of printed pages before previous reset of cyan toner CTN_ERM Remaining toner amount of cyan toner the calculated value in dots CTN_RRM Remaining toner amount of cyan toner the remaining amount based on the number of rotations of the developer roller CTN_CH 1 Number of times the cyan toner h...

Page 458: ..._PG2 Number of printed pages before previous reset of black toner KTN_ERM Remaining toner amount of black toner the calculated value in dots KTN_RRM Remaining toner amount of black toner the remaining amount based on the number of rotations of the developer roller KTNR_CH 1 Number of times the black toner has been replaced Date of last replacement KTN_RND Black toner developer roller count Other r...

Page 459: ...es TTL_CI Cyan printed pages TTL_MI Magenta printed pages TTL_YI Yellow printed pages TTL_KI Black printed pages TTLCOPY Number of copy pages CL_COPY Number of color copy pages MN_COPY Number of B W copy pages TTLPCPT Number of PC prints made CL_PCPT Total number of PC color printed pages MN_PCPT Total number of PC monochrome printed pages TTLFAX Number of List FAX outputs made CL_FAX Total number...

Page 460: ...elated items TTL_JAM Total number of times when a jam occurs TR1_JAM Number of times when a jam occurs at the paper tray 1 TR2_JAM Number of times when a jam occurs at the paper tray 2 MP_JAM Number of times when a jam occurs at the MP tray DX_JAM Number of sheets jammed in the DX IN_JAM Number of sheets jammed in the product RE_JAM Number of sheets jammed around the back cover ADSX_JAM Number of ...

Page 461: ...tem Press the button to go back to the previous item 3 Press the Stop Exit button to return to the machine to the initial state of the maintenance mode 1 4 30 Error code indication Function code 82 Function This function displays an error code of the machine on the LCD Operating procedure 1 Press the 8 and 2 buttons in this order in the initial state of the maintenance mode The machine displays MA...

Page 462: ...e When performing this maintenance mode 83 after replacing the main PCB ASSY make sure to perform the Sensitivity adjustment of density sensor Function mode 72 first Error message Measure FAILED Remove the error factors with the following operations and press the Start Black button to clear the error Re insert the toner cartridge in the correct position Replace the toner cartridge Replace the drum...

Page 463: ... kit Function code 88 Function The number of replacement is increased by one and the warning indication Replace is cleared with implementing this operation after replacing the fuser unit and paper feeding kit Operating procedure 1 Press the 8 button twice in the initial state of the maintenance mode 2 The Reset Fuser Unit will appear on the LCD 3 Press the or button to select the item you want to ...

Page 464: ...occurs the error is cleared Refer to 2 4 How to Recover from Errors of the Fuser Unit in this chapter Operating procedure 1 Press the 9 button twice in the initial state of the maintenance mode The maintenance mode exits from the maintenance mode and return to the ready state Note When a fuser error occurs be sure to turn ON the power after cooling the halogen heater sufficiently ...

Page 465: ...TNR STD Starter Standard black toner developer roller counter reset K TNR HC High capacity black toner developer roller counter reset K TNR S HC Super high capacity black toner developer roller counter reset C TNR STD Starter Standard cyan toner developer roller counter reset C TNR HC High capacity cyan toner developer roller counter reset C TNR S HC Super high capacity cyan toner developer roller...

Page 466: ...y state 2 The Reset Menu will appear on the LCD Select the applicable periodical replacement part or consumable part by pressing the or button and press the OK button Periodical replacement parts or consumable part are indicated on the LCD Drum unit Belt unit PF kit MP PF kit 1 PF kit 2 Fuser Laser 3 Once Reset Exit appears on the LCD press button 4 The machine implements clearing the counter Note...

Page 467: ... button Which will appear Initial Setup or General Setup depends on the model 3 Press the or button then the Reset Menu will appear on the LCD and press the OK button 4 Press the or button then the All Settings will appear on the LCD and press the OK button Non Touch panel model 5 The 1 Reset 2 Exit appear on the LCD 6 Press the 1 button and the user setting information is deleted and the machine ...

Page 468: ...splayed on the LCD 2 Open the front cover take out the drum unit and attach the cleaning sheet on the drum unit For the method of attaching the cleaning sheet refer to the insertion of the cleaning sheet 3 Mount the drum unit to the machine and close the front cover Drum Cleaning Please wait is displayed on the LCD and then drum cleaning starts 4 After a while Drum Cleaning Drum Cleaning completed...

Page 469: ...leep function You can set ON OFF of the deep sleep function so that the machine will not go into the deep sleep function even when the aforementioned conditions are satisfied Operating procedure 1 Press the OK button while the machine is in the ready state 2 Press the or button to display General Setup on the LCD and then press the OK button 3 Press the or button to display General Setup Ecology o...

Page 470: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM ...

Page 471: ...Confidential CHAPTER 6 CIRCUIT DIAGRAMS WIRING DIAGRAM This chapter provides the circuit diagrams and wiring diagram for the connections of the PCBs CONTENTS 1 CIRCUIT DIAGRAMS 6 1 2 WIRING DIAGRAM 6 6 ...

Page 472: ...6 1 Confidential 1 CIRCUIT DIAGRAMS High voltage Power Supply PCB Circuit Diagram 1 3 ...

Page 473: ...6 2 Confidential High voltage Power Supply PCB Circuit Diagram 2 3 ...

Page 474: ...6 3 Confidential High voltage Power Supply PCB Circuit Diagram 3 3 ...

Page 475: ...6 4 Confidential Low voltage Power Supply PCB Circuit Diagram 100V ...

Page 476: ...6 5 Confidential Low voltage Power Supply PCB Circuit Diagram 200V ...

Page 477: ...6 6 Confidential NCU PCB Circuit Diagram U S A Canada ...

Page 478: ...6 7 Confidential NCU PCB Circuit Diagram Europe Oceania ...

Page 479: ...6 8 Confidential NCU PCB Circuit Diagram China Asia South Africa Gulf ...

Page 480: ...2 7 AGND 8 VOUT1 9 AGND 10 VOUT0 11 AGND 12 MODE 13 AGND 14 VCC 15 VREF 17 SP 18 VCC 16 AGND 19 CLK 20 LED_ANODE 21 B_LED 22 G_LED 23 R_LED_ 24 1 VOUT5 2 AGND 3 VOUT4 4 AGND 1 SEN_ADC 2 GND 3 VCC 4 SEN_FRONT 1 SENSOR 2 GND 3 VCC VDD_LED 1 GND 2 SEN_REARB 3 1 SENSOR 2 GND 3 VCC 5 VOUT3 6 AGND 7 VOUT2 8 AGND 9 VOUT1 10 AGND 11 VOUT0 12 AGND 13 MODE CN9 VCC24 1 CML 2 CI 3 S0V 4 TELOFF 5 VCC5 6 SL 7 R...

Page 481: ...Confidential CHAPTER 7 PERIODICAL MAINTENANCE ...

Page 482: ... covers procedures for disassembling and assembling periodical replacement parts CONTENTS 1 PRECAUTIONS 7 1 2 PERIODICAL REPLACEMENT PARTS 7 2 2 1 Procedures to Replace Periodical Replacement Parts 7 2 2 1 1 Fuser unit 7 3 2 1 2 Laser unit 7 11 2 1 3 Paper feeding kit1 7 32 2 1 4 Paper feeding kit2 7 35 2 1 5 MP paper feeding kit 7 38 ...

Page 483: ... of printed page will vary depending on the type of print job or the paper to being used The figures indicated as the approximate life in the table above are worked out when printing a general business document in accordance with ISO IEC 19798 on A4 size paper WARNING Always turn off the power switch and unplug the power cord from the power outlet before accessing any parts inside the machine When...

Page 484: ...roceeding with the disassembly procedure 1 Unplug the AC cord the USB cable if connected the LAN cable if connected and USB flash memory drive if connected 2 Remove the Paper tray the Toner cartridge the Drum unit the Belt unit and the Waste toner box Toner cartridge Belt unit Waste toner box Paper tray Drum unit LAN port cap ...

Page 485: ...it 1 Open the Back cover Fig 7 1 2 Remove the Back cover stopper arm L and R from the Main body Fig 7 2 Back cover Main body Back side Back cover stopper arm L Back cover stopper arm R Main body Back side Back cover stopper arm L Pin ...

Page 486: ...Confidential 3 Remove the Shaft of the Back cover from the Bush on the right side of the Main body Fig 7 3 4 Remove the Back cover Fig 7 4 Main body Back cover Bush Shaft Main body Back cove 4a 4b Back side ...

Page 487: ...e Back flapper ASSY Fig 7 5 6 Release of the Fuser cover lock lever L and R and open the Fuser cover Fig 7 6 Back flapper ASSY Main body Back side Main body Fuser cover lock lever L user cover lock lever R Fuser cover Back side ...

Page 488: ...over L 8 Release the Hook to remove the Fuser cover L from the Main body Fig 7 7 9 Slide the Outer chute ASSY in the direction of the arrow 9a to remove it to the front Fig 7 8 Main body Taptite bind S M3x8 Hook Fuser cover L Back side Main body Fuser cover Back side 9a 9b ...

Page 489: ... R 11 Release the Hook to remove the Fuser cover R from the Main body Fig 7 9 12 Disconnect the two Connectors CN1 CN2 from the Paper eject sensor PCB ASSY Fig 7 10 Main body Taptite bind S Fuser cover R Hook M3x8 Back side CN1 CN2 Paper eject sensor PCB ASSY Connector Connector ...

Page 490: ...rom the Fuser unit Fig 7 11 14 Remove the two Taptite pan B M4x14 screws to remove the Fuser unit from the Main body Fig 7 12 Fuser unit Electrode terminal small Electrode terminal large Main body Taptite pan B M4x14 Taptite pan B M4x14 Fuser unit Back side ...

Page 491: ...roller holder to remove the Cleaner pinch roller ASSY 17 Remove the other three Cleaner pinch roller ASSY in the same way Fig 7 14 Filter ASSY 15a 15a 15b Paper eject ASSY Paper eject ASSY Back side Cleaner pinch roller holder Cleaner spring Cleaner pinch roller ASSY Cleaner spring Cleaner pinch roller holder 16b 16a 16a Back side ...

Page 492: ...unit reset the counter Refer to 2 2 Parts Life Reset Function in Chapter 5 Note Do not apply a physical impact or vibration to the Fuser unit Do not touch the roller and electrodes as shown in the figure below to prevent breakage of the Fuser unit Fuser unit ...

Page 493: ...t 1 Open the Back cover Fig 7 16 2 Remove the Back cover stopper arm L and R from the Main body Fig 7 17 Back cover Main body Back side Back cover stopper arm L Back cover stopper arm R Main body Back side Back cover stopper arm L Pin ...

Page 494: ...onfidential 3 Remove the Shaft of the Back cover from the Bush on the right side of the Main body Fig 7 18 4 Remove the Back cover Fig 7 19 Main body Back cover Bush Shaft Main body Back cover 4a 4b Back side ...

Page 495: ...7 13 Confidential 5 Open the Back flapper ASSY Fig 7 20 6 Open the Front cover Fig 7 21 Back flapper ASSY Main body Back side Main body Front cover Front ...

Page 496: ...de cover L 8 Remove the Taptite bind B M4x12 screw from the side of the Side cover L Fig 7 22 9 Remove the two Taptite bind S M3x8 screws from the back of the Side cover L Fig 7 23 Taptite bind S M3x8 Side cover L Taptite bind B M4x12 Front Side cover L Taptite bind S M3x8 Back side ...

Page 497: ... Release the Hook 7 Release the Hooks 8 and 9 to remove the Side cover L from the Main body Fig 7 24 Inside of Side cover L Fig 7 25 Side cover L Front Hook 9 Hook 6 Hook 1 Hook 3 Hook 8 Main body Hook 5 Hook 7 Hook 2 Hook 4 Front Back Hook 1 Hook 5 Hook 7 Hook 9 Hook 4 Hook 3 Hook 2 Hook 6 Hook 8 Hook 8 Side cover L ...

Page 498: ...SY 12 Remove the Taptite bind B M4x12 screw from the side of the Side cover R ASSY Fig 7 26 13 Remove the two Taptite bind S M3x8 screws from the back of the Side cover R ASSY Fig 7 27 Side cover R ASSY Taptite bind B M4x12 Taptite bind S M3x8 Front Side cover R ASSY Taptite bind S M3x8 Back side ...

Page 499: ...Hook 7 Release the Hooks 8 and 9 to remove the Side cover R ASSY from the Main body Fig 7 28 Inside of Side cover R ASSY Fig 7 29 Side cover R ASSY Right side Main body Hook 2 Hook 3 Hook 1 Hook 5 Hook 6 Hook 8 Hook 9 Hook 7 Hook 4 Side cover R ASSY Front Back Hook 5 Hook 1 Hook 2 Hook 3 Hook 4 Hook 6 Hook 9 Hook 8 Hook 8 Hook 7 ...

Page 500: ...en Taptite cup S M3x6 SR screws to remove the Main shield cover plate ASSY from the Main body Fig 7 31 FFC film Ferrite core 1 Main shield cover plate ASSY FFC film Ferrite core 1 Document scanner unit harness Taptite cup S M3x6 SR Main body Main shield cover plate ASSY Taptite cup S M3x6 SR ...

Page 501: ...ain body Fig 7 32 18 Disconnect the five Connectors CN3 CN4 CN6 CN7 and CN8 and two Flat cables CN1 and CN2 from the Main PCB ASSY Fig 7 33 Taptite cup S M3x6 SR Main body Taptite cup S M3x6 SR FB FG harness ASSY ADF FG harness ASSY CN1 CN3 CN4 CN6 CN7 CN8 CN9 CN10 CN12 CN13 CN15 CN17 CN11 CN22 CN30 CN27 CN26 CN25 CN24 CN23 CN2 Main PCB ASSY ...

Page 502: ...20 Remove the Pull arm L and Pull arm spring from the Pull arm guide L 21 Remove the Pull arm R and Pull arm spring from the Pull arm guide R Fig 7 35 Hook Scanner unit Pull arm L Pull arm R Hook Front Pull arm spring Pull arm guide R Pull arm guide L Pull arm spring Pull arm L Pull arm R Main body Front Rib Rib Rib ...

Page 503: ...arness and Second side CIS harness from the Ferrite core 2 and 3 attached to the Film Fig 7 37 22a Scanner unit Main body Ferrite core 1 Digital CIS harness Digital CIS Ferrite core 1 harness 22b Digital CIS harness Second side CIS harness Scanner unit Ferrite core 2 Ferrite core 3 Film Film Digital CIS harness Second side CIS harness ...

Page 504: ... FG harness ASSY from the Hole in the Joint cover top Fig 7 38 26 Change the angle of the Scanner unit as shown in the figure to remove it from the Main body Fig 7 39 Scanner unit FB FG harness ASSY ADF FG harness ASSY ADF FG harness ASSY FB FG harness ASSY Hole Hole Hook Harness Harness Joint cover top Joint cover top Scanner unit Main body Front ...

Page 505: ...e Joint cover top Fig 7 40 28 Release the eight Hooks to remove the Joint cover top from the Main body Fig 7 41 Joint cover top Taptite bind B M4x12 Taptite bind B M4x12 Taptite bind B M4x12 Taptite bind B M4x12 Front Hook Main body Joint cover top Hook Hook Hook Hook Front ...

Page 506: ...m the Main PCB ASSY Fig 7 42 31 Disconnect the 14 Connectors CN9 CN10 CN11 CN12 CN13 CN15 CN17 CN22 CN23 CN24 CN25 CN26 CN27 and CN30 from the Main PCB ASSY Fig 7 43 Screw pan S P washer M3 5x6 Main body NCU FG harness ASSY Main PCB ASSY CN9 CN1 CN3 CN4 CN6 CN7 CN8 CN10 CN12 CN13 CN15 CN17 CN11 CN22 CN30 CN27 CN26 CN25 CN24 CN23 CN2 Main PCB ASSY ...

Page 507: ...he Main PCB ASSY from the Top drive ASSY Fig 7 44 33 Remove the Main insulation sheet from the Top drive ASSY Fig 7 45 Top drive ASSY Main PCB ASSY Taptite cup S M3x6 SR Taptite cup S M3x6 SR Left side 32a 32b Taptite cup S M3x6 SR Main insulation sheet Top drive ASSY Left side ...

Page 508: ...per from the Main body Fig 7 46 36 Remove the seven Taptite cup S M3x8 screws and Taptite cup S M3x6 SR screw from the Joint cover base ASSY Fig 7 47 Taptite bind B M4x12 Hook Back cover upper Main body Taptite bind B M4x12 Hook Joint cover base ASSY Taptite cup S M3x8 Taptite cup S M3x8 Main body Taptite cup S M3x8 Front Taptite cup S M3x6 SR ...

Page 509: ...the Joint cover base ASSY Fig 7 48 38 Release the ten Hooks to remove the Joint cover base ASSY from the Main body Fig 7 49 Joint cover base ASSY Main body Taptite bind B M4x12 Taptite bind B M4x12 Back side Joint cover base ASSY Main body Hook Hook Hook Hook Front Hook ...

Page 510: ... from the Top drive ASSY Fig 7 50 40 Disconnect the Flat cable from the Develop FFC holder 41 Release the two Hooks to remove the Develop FFC holder from the Upper cable rack Fig 7 51 Taptite cup S Top drive ASSY Main shield plate Hook M3x6 SR Upper cable rack Hook Develop FFC holder Left side Hook ...

Page 511: ...ur Hooks to remove the Upper cable rack from the Base frame unit Fig 7 52 44 Remove the two Taptite cup S M3x6 SR screws to remove the Top beam from the Base frame unit Fig 7 53 Upper cable rack Hook Base frame unit Left side Hook Base frame unit Top beam Taptite cup S M3x6 SR Front ...

Page 512: ...ws to remove the four Scanner holders Fig 7 54 Taptite cup S M3x6 SR Scanner holder Taptite cup S M3x6 SR Taptite cup S M3x6 SR Taptite cup S M3x6 SR Taptite cup S Scanner holder Scanner holder Scanner holder M3x6 SR Base frame unit Scanner holder Laser unit Front ...

Page 513: ...me unit Fig 7 55 47 After replacing the Laser unit reset the counter Refer to 2 2 Parts Life Reset Function in Chapter 5 Assembling Note When connecting flat cable s do not insert them at an angle After insertion check that the cable are not at an angle Base frame unit Laser unit Connector 46a 46b Front Flat cable Flat cable 46a ...

Page 514: ... remove the Separation pad holder ASSY from the Paper tray Fig 7 56 Assembling Note Mount the Separation pad holder ASSY in a way that A of the Separation pad holder ASSY is inserted into B of the Separation pad spring Hook B Separation pad holder ASSY A Paper tray ...

Page 515: ...1 lift arm to the back to remove B of the Roller holder ASSY from A of the T1 lift arm Fig 7 58 Note Be careful not to lose the Separation pad spring Paper tray Separation pad spring A B T1 lift arm Roller holder ASSY A B Roller holder ASSY T1 lift arm Paper feed unit Paper feed unit 3b 3a 3a 3b ...

Page 516: ...nd 5b in this order to remove it Fig 7 59 Fig 7 60 6 After replacing the Paper feeding kit reset the counter Refer to 2 2 Parts Life Reset Function in Chapter 5 Assembling Note Align the Shaft of the roller holder ASSY to the hole of the Paper feed unit and insert it into the hole Roller holder ASSY C Paper feed unit 5b 5a 4 Roller holder ASSY Paper feed unit b a Hole Shaft a Paper feed unit ...

Page 517: ...ad ASSY to remove them in the upward direction Fig 7 61 2 Remove the T2 separation pad spring from the T2 separation pad ASSY Fig 7 62 Note Be careful not to lose the T2 separation pad spring Hook Hook T2 separation pad ASSY T2 paper tray unit T2 separation pad ASSY T2 separation pad spring ...

Page 518: ...3 Fig 7 64 Assembling Note When assembling the T2 separation roller ASSY be sure to assemble it by sliding it in the direction of the arrow b as rotating the T2 separation roller ASSY in the direction of the arrow a Hook T2 separation roller ASSY T2 separation roller ASSY T2 paper feed frame unit T2 paper feed drive shaft T2 paper feed drive shaft 3 4b 4a a b T2 separation roller ASSY T2 paper fee...

Page 519: ...to remove the Feed roller ASSY from the Paper feed shaft Fig 7 65 6 After replacing the Paper feeding kit reset the counter Refer to 2 2 Parts Life Reset Function in Chapter 5 Hook Paper feed shaft Feed roller ASSY T2 paper feed frame unit ...

Page 520: ...ess A to release the Hook and then remove the MP upper frame cover from the MP upper cover ASSY Fig 7 66 2 Remove the MP lift arm B from the MP upper cover ASSY Fig 7 67 MP upper cover ASSY MP upper frame cover A Hook MP upper cover ASSY MP lift arm B ...

Page 521: ...e the Hook to remove the MP holder bush from the MP upper cover Fig 7 68 4 Remove the MP roller holder ASSY from the MP upper cover ASSY Fig 7 69 Hook MP upper cover ASSY MP holder bush MP upper cover ASSY MP roller holder ASSY ...

Page 522: ... Remove the MP separation pad spring from the two Pins of MP unit Fig 7 71 7 After replacing the MP paper feeding kit reset the counter Refer to 2 2 Parts Life Reset Function in Chapter 5 MP separation pad ASSY Pin Pin MP unit MP separation pad ASSY Pin 5a 5b 5a 5b MP separation pad spring Pin MP unit ...

Page 523: ...Confidential APPENDIX 1 SERIAL NUMBERING SYSTEM ...

Page 524: ...App 1 1 Fig App 1 2 Fig App 1 3 Serial number Serial number 6 digit Manufacturing factory No 0 2010 1 2011 A January B February C March D April E May F June G July H August J September K October L November M December Year of manufacture Month of manufacture A 0 J 1 1 1 1 0 1 Model number Serial label Serial label ...

Page 525: ...Confidential APPENDIX 2 DELETION OF USER SETTING INFORMATION ETC This appendix provides instructions on how to delete user setting information etc recorded in the machine ...

Page 526: ...tton Which will appear Initial Setup or General Setup depends on the model 3 Press the or button then the Reset Menu will appear on the LCD and press the OK button 4 Press the or button then the All Settings will appear on the LCD and press the OK button Non Touch panel model 5 The 1 Reset 2 Exit will appear on the LCD 6 Press the 1 button and the user setting information is deleted and the machin...

Page 527: ...Confidential APPENDIX 3 INSTALLING THE MAINTENANCE DRIVER ...

Page 528: ...e the unique driver installation procedure described below that enables your computer to identify multiple machines via one single virtual USB device Procedures 1 While the machine is in the ready state press the OK button and then Start Black button Next press the button 4 times and the machine goes into the maintenance mode 2 appears on the LCD and the machine goes into the maintenance mode 3 Do...

Page 529: ...p 3 2 Confidential 5 Alert warning message appears three times click Continue Anyway to proceed 6 If the device driver is successfully installed the following message screen appears Click Finish to return ...

Page 530: ...ne to your computer using the USB cable 8 The following screen appears indicating the detection of new hardware device by the system Select No not this time and click Next 9 Select Install the software automatically Recommended and click Next ...

Page 531: ...App 3 4 Confidential 10 Alert warning message appears click Continue Anyway to proceed ...

Page 532: ...ge screen appears Click Finish to return 12 Repeat the steps from 9 to 11 three times and then complete its installation 13 Disconnect the USB cable 14 Press the or button to display MAINTENANCE 99 on the LCD Then press the OK button The maintenance mode exits from the maintenance mode and return to the ready state ...

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Brother DCP-9055CDN, Service Manual

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