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Brother DCP-L3510CDW, Service Manual

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Brother DCP-L3510CDW Service Manual Download Page 409

5-81

Confidential

1.3.36 Reset counters for consumable parts (Function code 88)

< Function >

This function is performed to reset the counter for each consumable part in the main PCB after 
that has been replaced.

< Operating Procedure >

(1) For models with touch panel 

Press the [8] twice in the initial state of maintenance mode. “Reset-Fuser Unit” is 
displayed on the LCD.

For models without touch panel
Press the [

▲

] or [

▼

] in the initial state of maintenance mode to display 

“MAINTENANCE 88” on the LCD, and press the [OK]. “Reset-Fuser Unit” is displayed 
on the LCD.

(2) Press the [

▲

] or [

▼

] to display the part with the counter to be reset on the LCD, and press 

the [Start] or [Mono Start].
Enter the type selection of fuser unit only when the “Reset-Fuser Unit” is selected. After 
selecting the “Reset-Fuser Unit”, press the [

▲

] or [

▼

] to select the last digit value of the 

serial number of fuser unit, and press the [Start] or [Mono Start].

(3) “*******OK?” is displayed on the LCD. Press the [Start] or [Mono Start] to reset the counter 

for the selected part and return the display to the procedure (2). (******* represents the 
name of the selected part)

(4) Press the [X] or [Stop], and the machine returns to the initial state of maintenance mode.

Selectable parts are shown in the table below.

Error display

Part name

Counter to be reset

Reset-Fuser Unit

Fuser unit

Printed pages counter

Reset-PF Kit T1

PF kit 1

Printed pages counter

Reset-PF Kit MP

PF kit MP

Printed pages counter

Reset-LVPS

Low-voltage power supply 
PCB

Irregular power supply detection 
counter

Summary of Contents for DCP-L3510CDW

Page 1: ...UAL DCP 9030CDN L3510CDW L3517CDW DCP L3550CDW L3551CDW HL L3290CDW MFC 9150CDN 9350CDW MFC L3710CW L3730CDN L3735CDN MFC L3745CDW L3750CDW L3770CDW Read this manual thoroughly before maintenance work Keep this manual in a convenient place for quick and easy reference at all times ...

Page 2: ...s manual has a Software License Agreement specific to its proprietary programs Any trade names and product names of companies appearing on Brother products related documents and any other materials are all trademarks or registered trademarks of those respective companies Open Source Licensing Remarks This product includes open source software Go to the manual download selection of your model s hom...

Page 3: ... INDICATION AND TROUBLESHOOTING 1 INTRODUCTION 2 1 1 1 Precautions 2 1 1 2 Checks before Commencing Troubleshooting 2 3 2 OVERVIEW 2 5 2 1 Cross section Drawing 2 5 2 1 1 Printer part 2 5 2 1 2 Scanner part 2 7 2 2 Paper Feeding 2 8 2 2 1 Printer part 2 8 2 2 2 Scanner part 2 10 2 3 Operation of Each Part and Location of Parts 2 11 2 4 Block Diagram 2 15 2 5 Main Components 2 16 3 ERROR INDICATION...

Page 4: ...able to receive data 2 136 4 5 Troubleshooting for Network Problems 2 137 4 5 1 Cannot make a print through network connection 2 137 4 5 2 Cannot connect to access point 2 137 4 6 Troubleshooting for Control Panel Problems 2 138 4 6 1 Nothing is displayed on the LCD 2 138 4 6 2 Nothing is displayed on the LED 2 138 4 6 3 Unable to perform panel operation 2 139 4 7 Troubleshooting for Toner Cartrid...

Page 5: ... 13 2 Fax cannot be received 2 153 4 13 3 Communication error occurs 2 153 4 13 4 Receive buffer full during receiving into memory 2 153 4 14 Troubleshooting for Other Problems 2 154 4 14 1 Cannot make print 2 154 4 14 2 Problem of USB direct interface 2 154 4 14 3 Cannot update firmware 2 155 4 14 4 Tray removed message does not disappear 2 155 CHAPTER 3 DISASSEMBLY REASSEMBLY 1 SAFETY PRECAUTION...

Page 6: ...t side CIS flat cable 3 63 9 15 Modem flat cable Modem PCB 3 70 9 16 Joint cover ASSY 3 71 9 17 LED unit 3 74 9 18 Speaker unit 3 76 9 19 NFC PCB 3 77 9 20 LED control flat cable LED control PCB 3 79 9 21 LED ASSY Y M C K LED ASSY flat cable Y M C K 3 82 9 22 MP paper guide ASSY MP cover ASSY USB host PCB Only for MP models 3 85 9 23 MP roller holder ASSY Only for MP models 3 89 9 24 MP unit Only ...

Page 7: ... Data Function code 55 4 5 1 7 Setting the Serial Number Function code 80 4 5 2 IF YOU REPLACE THE REGISTRATION MARK SENSOR ASSY OR LED ASSY 4 8 2 1 Continuous Adjustments of Density and Registration Sensor Function code 73 4 8 3 IF YOU REPLACE THE LOW VOLTAGE POWER SUPPLY PCB 4 9 3 1 Resetting Irregular Power Supply Counter of the Low voltage Power Supply PCB Reset counters for consumable parts F...

Page 8: ...nsor operation Function code 32 5 17 1 3 11 Display LAN connection status Function code 33 5 20 1 3 12 Set PC Print functions Function code 43 5 21 1 3 13 Change USB No return value Switching Dither Pattern Switching of ON OFF of DirectPrint Color mode Improve Gray Color Switching of timing to execute Auto Registration Adjust left end print position Adjust upper end print position Change of the tr...

Page 9: ...n code 78 5 71 1 3 31 Delete fax data Function code 79 5 72 1 3 32 Display machine log information Function code 80 5 73 1 3 33 Display machine error code Function code 82 5 78 1 3 34 Developing bias voltage correction Function code 83 5 79 1 3 35 Send communication log information to telephone line Function code 87 5 80 1 3 36 Reset counters for consumable parts Function code 88 5 81 1 3 37 Quit ...

Page 10: ...Confidential viii APPENDIX 1 SERIAL NUMBERING SYSTEM APPENDIX 2 DELETING USER SETTING INFORMATION APPENDIX 3 INSTALLING THE MAINTENANCE PRINTER DRIVER ...

Page 11: ...NT indicates a potentially hazardous situation which if not avoided may result in damage to property or loss of product functionality Prohibition icons indicate actions that must not be performed Electrical Hazard icons alert you to possible electrical shock Fire hazard icons alert you to the possibility of fire Hot Surface icons warn you not to touch product parts that are hot Note Notes tell you...

Page 12: ... sure you have unplugged the telephone line cord first MFC models only and then the power cord from the AC power outlet as well as any telephone RJ 11 MFC models only or Ethernet RJ 45 cables Network models only from the product Never push objects of any kind into this product through cabinet slots since they may touch dangerous voltage points or short out parts DO NOT handle the plug with wet han...

Page 13: ...le may cause the cord to separate from the plug Doing this might cause an electrical shock DO NOT use any undesignated cables or optional devices Doing so may cause a fire or injuries Installation must be performed properly according to the user s guide Brother strongly recommends that you DO NOT use any type of extension cord DO NOT put a toner cartridge a toner cartridge and drum unit assembly o...

Page 14: ...10 minutes for the product to cool down before you touch the internal parts of the product When you move the product carry the product as shown in the illustration HL L3290CDW DCP L3551CDW MFC L3710CW MFC L3750CDW MFC L3770CDW To prevent possible injuries at least two people should lift the product by holding it from the front and back ...

Page 15: ...ry to people These important safety precautions including the following 1 DO NOT use this product near water or locations that may become wet for example near a bath tub wash bowl kitchen sink or washing machine in a wet basement or near a swimming pool 2 Avoid using this product during an electrical storm There may be a remote risk of electric shock from lightning 3 DO NOT use this product to rep...

Page 16: ...phone network the telephone company will notify you in advance that temporary discontinuance of service may be required But if advance notice is not practical the telephone company will notify you as soon as possible Also you will be advised of your right to file a complaint with the FCC if you believe it is necessary The telephone company may make changes in its facilities equipment operations or...

Page 17: ...ded by the telephone company or connected to party lines Brother cannot accept any financial or other responsibilities that may be the result of your use of this information including direct special or consequential damages There are no warranties extended or granted by this document A grounded plug should be plugged into a grounded AC power outlet after checking the rating of the local power supp...

Page 18: ...characters x 2 lines 3 7 TFT ColorLCD 9 3 cm 93 4 mm 16 characters x 2 lines 3 7 TFT ColorLCD 9 3 cm 93 4 mm Dimension W x L 1 85 x 0 43 inch 81 65 mm x 45 36 mm 3 21 x 1 79 inch 1 85 x 0 43 inch 81 65 mm x 45 36 mm 3 21 x 1 79 inch FB Up to A4 LTR FAX N A 33 600 bps Fax NFC N A External IC Card Reader N A USB Host front N A USB Host rear N A PCL PS PCL6 BR Script3 PDF Version 1 7 XPS Version 1 0 ...

Page 19: ...om Sleep Mode Less than 30 30 secs Mono Color at 73 4F 23 C 115V Less than 32 32 secs Mono Color at 73 4F 23 C 230V Less than 30 30secs Mono Color at 73 4F 23 C 230V Less than 32 32secs Mono Color at 73 4F 23 C 115V For US Less than 32 32secs Mono Color at 73 4F 23 C 230V For OCE and EU Mono Print Speed A4 Letter Up to 24 25 ppm Quiet Mode Up to 12 12 ppm Up to 18 19 ppm Quiet Mode Up to 12 12 ppm...

Page 20: ... 6 x 21 4 x 22 7 inch 589 x 523 x 568 mm 23 2 x 20 6 x 22 4 inch Machine Size 410 x 475 x 368 mm 16 1 x 18 7 x 14 5 inch 410 x 475 x 414 mm 16 1 x 18 7 x 16 3 inch Weights With Carton 25 6 kg 56 5 lb 26 0 kg 57 4 lb 27 4 kg 60 4 lb Exceptfor Russia 27 6 kg 60 9 lb For Russia 27 6 kg 60 8 lb For LTN 27 4 kg 60 4 lb For OCE 27 9 kg 61 4 lb For ASA 27 4 kg 60 4 lb 26 7 kg 58 8 lb For US and OCE 26 7 ...

Page 21: ...m x 45 36 mm 3 21 x 1 79 inch FB Up to A4 LTR FAX 33 600 bps Fax NFC N A Link to Solutions Center Print Scan Easy WLAN setting External IC Card Reader N A USB Host front N A USB Host rear N A PCL PS PCL6 BR Script3 PDF Version 1 7 XPS Version 1 0 Paper Input Standard Tray 250 sheets MP Tray N A 30 sheets Envelope 3 envelopes up to 6 mm thick Manual Feed Slot 1 sheet N A ADF 50 sheets Paper Output ...

Page 22: ... 73 4F 23 C 230V From Sleep Mode Less than 32 32secs Mono Color at 73 4F 23 C 230V Less than 30 30 secs Mono Color at 73 4F 23 C 230V Less than 30 30 secs Mono Color at 73 4F 23 C 115V For US Less than 30 30 secs Mono Color at 73 4F 23 C 230V For LTN EU OCEand ASA Less than 30 30 secs Mono Color at 73 4F 23 C 230V Mono Print Speed A4 Letter Up to 18 19 ppm Quiet Mode Up to 12 12 ppm Up to 24 25 pp...

Page 23: ...16 3 inch 410 x 509 x 414 mm 16 1 x 20 0 x 16 3 inch Weights With Carton 27 6 kg 60 9 lb 27 9 kg 61 5 lb 27 6 kg 60 8 lb 27 6 kg 60 7 lb For US 27 8 kg 61 2 lb For LTN 27 6 kg 60 9 lb For EU 27 6 kg 60 8 lb For OCE 28 1 kg 62 0 lb For ASA 27 6 kg 60 8 lb 28 8 kg 63 4 lb For US 28 8 kg 63 6 lb For EU except for Russia 29 0 kg 63 9 lb For Russia 28 8 kg 63 5 lb For OCE 29 3 kg 64 5 lb For ASA 29 0 k...

Page 24: ...ges Periodical Maintenance Parts Fuser Unit 50 000 pages 2 pages job Service replacement PF Kit 50 000 pages Service replacement PF Kit MP N A Model MFC L3730CDN MFC L3735CDN MFC 9150CDN MFC L3750CDW MFC L3745CDW MFC L3770CDW MFC 9350CDW Machine Life 100 000 pages A4 LTR or 5 years Part Life ADF 50 000 pages or 5 years Part Life Document Scanner Unit 50 000 pages or 5 years MTBF 4 000 hours MTTR 0...

Page 25: ...O IEC 19798 BK Approx 3 000 pages in accordance with ISO IEC 19798 CMY Approx 2 300 pages in accordance with ISO IEC 19798 For EU For ARL BK Approx 2 500 pages in accordance with ISO IEC 19798 CMY Approx 2 300 pages in accordance with ISO IEC 19798 For OCE BK Approx 3 000 pages in accordance with ISO IEC 19798 CMY Approx 2 300 pages in accordance with ISO IEC 19798 For ASA BK Approx 3 000 pages in...

Page 26: ...ISO IEC 19798 CMY Approx 1 300pagesin accordance with ISO IEC 19798 For OCE High Capacity Toner BK Approx 3 000 pages in accordance with ISO IEC 19798 CMY Approx 2 300 pages in accordance with ISO IEC 19798 BK Approx 3 000 pages in accordance with ISO IEC 19798 CMY Approx 2 300 pages in accordance with ISO IEC 19798 For US and EU For NZ BK Approx 3 000pagesin accordance with ISO IEC 19798 CMY Appr...

Page 27: ...ccordance with ISO IEC 19798 CMY Approx 2 300 pages in accordance with ISO IEC 19798 BK Approx 3 000 pages in accordance with ISO IEC 19798 CMY Approx 2 300 pages in accordance with ISO IEC 19798 For US LTN and EU For ARL BK Approx 2 500pagesin accordance with ISO IEC 19798 CMY Approx 2 300pagesin accordance with ISO IEC 19798 For OCE BK Approx 3 000pagesin accordance with ISO IEC 19798 CMY Approx...

Page 28: ...9798 For ARL CMY Approx 1 300 pages in accordance with ISO IEC 19798 For OCE BK Approx 1 400 pages in accordance with ISO IEC 19798 CMY Approx 1 300 pages in accordance with ISO IEC 19798 For ASA BK Approx 1 400 pages in accordance with ISO IEC 19798 CMY Approx 1 300 pages in accordance with ISO IEC 19798 High Capacity Toner For ARL BK Approx 2 500 pages in accordance with ISO IEC 19798 CMY Approx...

Page 29: ...he normal condition as below Temperature Normal condition 0 to 40 C Storage condition at the temperature of 40 to 50 C Up to 5 days Storage condition at the temperature of 20 to 0 C Up to 5 days Humidity Normal condition 35 to 85 RH without condensation Storage condition at the humidity of 85 to 95 RH Up to 5 days without condensation Storage condition at the humidity of 10 to 35 RH Up to 5 days w...

Page 30: ...Paper Optional Tray N A Duplex Plain Paper Thin Paper Thick Paper Recycled Paper N A ADF N A Plain Paper Thin Paper Recycled Paper Paper Input Optional Tray N A Optional Tray Tower Feed Type N A ADF N A 50 sheets Media Weight Standard Tray 60 to 163 g m2 16 to 43 lb Notes half speed and straight paper output with more than 163 g m2 43 lb MP Tray N A Manual Feed Slot 60 to 163 g m2 16 to 43 lb Opti...

Page 31: ...mm A4 Letter A5 A5 Long Edge A6 Executive Legal Folio Mexico Legal India Legal For US A4 Letter A5 A5 Long Edge A6 Executive For EU and OCE MP Tray N A Manual Feed Slot Width 76 2 to 216 mm Length 116 to 355 6 mm Width 3 0 to 8 5 inch Length 4 57 to 14 inch Envelope COM 10 DL C5 Monarch Optional Tray N A Duplex Letter Legal Folio Mexico Legal India Legal A4 Letter Legal Folio Mexico Legal India Le...

Page 32: ... Label Envelope Env Thin Env Thick Glossy Paper N A Optional Tray N A Duplex Plain Paper Thin Paper Thick Paper Recycled Paper ADF Plain Paper Thin Paper Recycled Paper Paper Input Optional Tray N A Optional Tray Tower Feed Type N A ADF 50 sheets Media Weight Standard Tray 60 to 163 g m2 16 to 43 lb Notes half speed and straight paper output with more than 163 g m2 43 lb MP Tray N A 60 to 163 g m2...

Page 33: ...For EU and OCE A4 Letter B5 JIS A5 A5 Long Edge A6 Executive Legal Folio Mexico Legal India Legal B5 JIS is only for TWN For ASA A4 Letter B5 JIS A5 A5 Long Edge A6 Executive 16K 195 x 270 mm MP Tray N A Width 76 2 to 216 mm Length 116 to 355 6 mm Width 3 0 to 8 5 inch Length 4 57 to 14 inch Envelope COM 10 DL C5 Monarch Manual Feed Slot Width 76 2 to 216 mm Length 116 to 355 6 mm Width 3 0 to 8 5...

Page 34: ...N A Color FAX Memory Send Receive N A Internet FAX ITU T 37 Simple Mode N A Yes by SST Internet FAX ITU T 38 N A Model MFC L3730CDN MFC L3735CDN MFC 9150CDN MFC L3750CDW MFC L3745CDW MFC L3770CDW MFC 9350CDW Modem Speed 33 600 bps Fax Transmission Speed Approx 2 5 sec ITU T Test Chart Std Resolution JBIG ITU T Group Super G3 Color FAX Document Send Receive N A Color FAX Memory Send Receive N A Int...

Page 35: ...e and Paper Tray Less than 31 32secsat 73 4F 23 C 115V Mono Color Less than 34 34 secs at 73 4F 23 C 230V Mono Color Less than 31 32secsat 73 4F 23 C 115V Mono Color Less than 34 34secsat 73 4F 23 C 230V Mono Color Print Resolution dpi 600 x 600 dpi Auto Duplex Copy N A Model MFC L3730CDN MFC L3735CDN MFC 9150CDN MFC L3750CDW MFC L3745CDW MFC L3770CDW MFC 9350CDW Copy Speed A4 Letter Mono Copy Spe...

Page 36: ... IEC17991 Duplex Scanning Speed Mono Color Multiple sheets N A Model MFC L3730CDN MFC L3735CDN MFC 9150CDN MFC L3750CDW MFC L3745CDW MFC L3770CDW MFC 9350CDW Resolution Optical FB Max 1 200 x 2 400 dpi ADF Max 600 x 600 dpi Resolution Interpolated Max 19 200 x 19 200 dpi Scanning Speed Mono Color Multiple Sheets In Accordance with ISO IEC17991 Scanning Speed Mono Color Multiple Sheets 27 21 ipm A4...

Page 37: ...g the machine and so on If you need to take voltage measurements with the power switched on take the greatest of care not to receive an electric shock 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 ...

Page 38: ...s completed A certain interface or function could be set to invalid to serve the needs of customers Ask sales representative if this is the case before performing the check WARNING DO NOT use any flammable spray or flammable solvent such as alcohol benzine or thinner in or around the machine Otherwise a fire or electric shock may result ...

Page 39: ...amp 3 The paper is not short grained paper or acid paper Consumable parts 1 The drum unit including the toner cartridge is installed correctly 2 The belt unit and the waste toner box are installed correctly Others 1 Condensation When the machine is moved from a cold place into a warm room condensation may occur inside the machine causing various problems as listed below Condensation on the surface...

Page 40: ...fidential Cleaning Use a soft dry lint free cloth WARNING DO NOT use any flammable spray or flammable solvent such as alcohol benzine or thinner to clean the machine DO NOT use these articles near the machine ...

Page 41: ...gistration front actuator T1 paper feed actuator T1 separation roller T1 separation pad ASSY T1 pick up roller Waste toner box Pressure roller Eject fuser cover actuator Eject roller 1 Heat roller Exposure drum Black LED ASSY Black Belt unit Belt cleaning roller Eject roller 2 Exposure drum Cyan LED ASSY Cyan Exposure drum Magenta LED ASSY Magenta Exposure drum Yellow LED ASSY Yellow Eject roller ...

Page 42: ...er Eject fuser cover actuator Eject roller 1 Heat roller LED ASSY Black Exposure drum Black Belt unit Belt cleaning roller Eject roller 2 Exposure drum Cyan LED ASSY Cyan Exposure drum Magenta LED ASSY Magenta Exposure drum Yellow LED ASSY Yellow Eject roller 3 Duplex tray Duplex paper feed roller T1 separation pad ASSY MP separation pad ASSY MP paper empty actuator MP pick up roller MP separation...

Page 43: ...cument feed roller 2 Document separation roller Document feed roller 1 Second side CIS unit Only for the duplex scanning models First side CIS unit Document eject roller Document separation roller ASSY Document tray Scanner glass Document detection actuator Document scanning position actuator ...

Page 44: ...2 8 Confidential 2 2 Paper Feeding 2 2 1 Printer part Manual feed Fig 2 4 Front side Back side Manual feed paper feed path Paper feed path Duplex path Eject to back side ...

Page 45: ...2 9 Confidential MP Fig 2 5 Front side Back side MP paper feed path Paper feed path Duplex path Eject to back side ...

Page 46: ...2 10 Confidential 2 2 2 Scanner part Fig 2 6 Left side Right side Document feed path ...

Page 47: ...etects whether or not paper is ejected from the fuser unit In the case of the 2 sided printing detects the rear edge of paper and adjusts the timing of the eject roller 2 and 3 switching Detects paper jam in the rear section of the machine Detects open fuser cover Eject roller 1 Feeds the paper ejected from the fuser unit to eject roller 2 Eject roller 2 Feeds the paper to the eject roller 3 In th...

Page 48: ...ated from the exposure drum New toner sensor x4 Inside of the high voltage power supply PCB When exchange to the new toner cartridge detects the kinds of toner and add 1 to the reset of the developing bias and to the exchange count Toner sensor x4 Inside of the high voltage power supply PCB Detects the toner cartridge is set Waste toner sensor Detects a certain amount of waste toner in the waste t...

Page 49: ...nsor R Registration mark sensor L Registration clutch Back cover sensor Internal temperature sensor Develop release clutch K Develop release clutch Registration front sensor Registration rear sensor T1 pick up clutch Eject sensor Fuser cover sensor New toner sensors Cartridge sensor Y Cartridge sensor C Cartridge sensor K Cartridge sensor M External temperature humidity sensor Waste toner sensor ...

Page 50: ...2 14 Confidential Fig 2 8 Document scanning position sensor Document detection sensor ADF cover sensor ...

Page 51: ...Internal temperature sensor Center thermistor Side thermistor Main heater Sub heater Thermostat Registration mark sensor L PCB Registration mark sensor R PCB Fuser unit Develop release sensor PCB Fan Waste toner sensor LED ASSY Black LED ASSY Magenta LED ASSY Cyan Panel control PCB Touch panel LCD Key PCB LED ASSY Yellow Document scanner unit ADF unit Panel unit Touch panel model only Panel contro...

Page 52: ...B MP unit Paper eject ASSY Back cover lower Registration clutch T1 pick up clutch Paper feed drive unit Develop release clutch Back cover Fuser cover ASSY Fuser unit Cartridge sensor relay PCB Main PCB Process drive unit Fuser drive gear Z25 Side cover L Low voltage power supply PCB Roller holder ASSY USB holder ASSY Paper feed unit Paper tray Inner front cover Duplex tray Fan Rear flapper sub ASS...

Page 53: ...ature lower than the specified temperature 2 64 0202 Cannot detect the synchronized signal of the process motor The speed of the process motor does not stabilize within the specified time 2 62 050D 1 0203 1 050F 1 0300 1 0800 An error occurred in the internal temperature sensor 2 64 0305 1 0900 Detected irregular power supply for more than 100 times 2 65 0401 1 0A01 1 0402 1 0A02 Main PCB detected...

Page 54: ...ge does not support cyan was installed 2 69 1901 1 2203 Cartridge sensor detected that the toner cartridge does not support magenta was installed 2 69 1A01 1 2400 Black toner cartridge is not recognized by the cartridge sensor 2 70 1B01 1 2401 Yellow toner cartridge is not recognized by the cartridge sensor 2 70 1C00 1 2402 Cyan toner cartridge is not recognized by the cartridge sensor 2 70 1D01 A...

Page 55: ...1 1 4201 Number of the black drum unit rotations has reached the upper limit 2 72 2C02 1 4202 Number of the yellow drum unit rotations has reached the upper limit 2 72 2D01 1 4203 Number of the magenta drum unit rotations has reached the upper limit 2 72 2E00 Could not communicate with the cartridge sensor on the machine side 2 71 4204 Number of the cyan drum unit rotations has reached the upper l...

Page 56: ...roller counter has reached the upper limit was detected 2 74 5406 1 4C04 Dot counter of the toner cartridge cyan or develop roller counter has reached the upper limit was detected 2 74 5502 1 4C05 During printing dot counter of color toner cartridge or develop roller counter has reached the upper limit was detected 2 74 5602 1 4C06 1 5702 1 4D01 1 5801 1 4E01 1 5802 1 4F01 The new toner sensor of ...

Page 57: ...re than twice of the upper limit 2 81 6202 GRID terminal signal detected that the yellow drum unit was not installed 2 77 6B03 Electric discharge was detected when the number of the magenta drum unit rotations had become more than twice of the upper limit 2 81 6203 GRID terminal signal detected that the magenta drum unit was not installed 2 77 6B04 Electric discharge was detected when the number o...

Page 58: ... the MP tray after the MP registration front sensor detects paper pass the registration rear sensor does not detect paper pass after a set period of time 2 84 7D00 1 7300 1 7E00 1 7301 1 7F00 1 7302 When printing from the T1 the registration front sensor does not detect paper pass within the specified time after the T1 paper feed sensor detected paper pass 2 84 8000 1 7400 1 8100 1 7401 1 8401 1 7...

Page 59: ...e driver are not same when printing from the MP tray 2 89 870C 1 9002 The size of paper loaded in the T1 and the one specified from the driver are not same when printing from the T1 2 89 870D 1 9003 1 870E 1 9004 1 870F 1 9005 1 8801 1 9006 1 8802 1 9102 1 8808 1 9103 1 8809 1 9104 1 880A 1 9105 1 8901 1 9200 1 8902 1 9201 When printing from the MP tray paper type setting in the machine does not m...

Page 60: ...position sensor detected that the document length was 90 cm or more during the one side scanning 2 97 9801 An error occurred with the value measured during color density adjustment performed from the control panel 2 91 A300 The document scanning position sensor has not detected the document passing even after the document has been fed for the specified time 2 97 9802 Dot counter or develop roller ...

Page 61: ...ack level not within the standard was scanned when function code 55 was executed 2 101 E600 Write error in the EEPROM of the main PCB 2 104 BF00 The document scanning position sensor detected that the document length was 400 mm or longer and could not be fed to ADF double side restoration 2 101 E701 System error in the flash ROM 2 104 C001 Timeout occurred with access request sent to server due to...

Page 62: ...ibration failed Press OK Density patch measurement ended unsuccessfully during color density adjustment performed from the control panel 9803 2 92 An error occurred with the value measured during density sensor sensitivity calibration 9804 2 92 Calibration failed Turn the power off and then back on again An error occurred with the value measured during color density adjustment performed from the c...

Page 63: ...ld not detect a new cartridge properly 4F03 2 75 Put the Yellow Y Toner Cartridge back in The new toner sensor of the toner cartridge yellow could not detect a new cartridge properly 4F02 2 75 Condensation Leave switched ON Fully open the Top cover Wait 30 minutes switch OFF and close cover then switch Condensation occurred in the machine 1400 2 67 Cooling Down Wait for a while The internal temper...

Page 64: ... machine was turned ON 620D 2 77 Electrified terminal or GRID terminal signal detected that the magenta drum was not installed when the machine was turned ON 620C 2 77 Electrified terminal or GRID terminal signal detected that the yellow drum was not installed when the machine was turned ON 620B 2 77 Electric discharge that may be caused by dirt on the corona wire of the drum unit was detected 6A0...

Page 65: ... undecodable PS data 4 14 1 Jam 2 sided Pull out Tray 1 completely Check inside the machine or open the Back Cover to remove the jammed paper After the first side is printed in 2 sided printing the registration front sensor does not detect paper pass after a set period of time 7800 2 85 Jam Inside Open the TOP Cover pull out the Drum Unit completely and remove the jammed paper After the registrati...

Page 66: ...tication is unavailable due to incorrect user name incorrect password or asynchronous date and time between the machine and server C002 2 102 File Access Error contact your administrator Cannot access to the file because the directory name is wrong writing into directory is not permitted or writing into file is locked or not permitted C003 2 102 Server Timeout contact your administrator Timeout oc...

Page 67: ... the Drum Unit Cyan C GRID terminal signal detected that the cyan drum unit was not installed 6204 2 77 Open the Top Cover then install the Drum Unit Magenta M GRID terminal signal detected that the magenta drum unit was not installed 6203 2 77 Open the Top Cover then install the Drum Unit Yellow Y GRID terminal signal detected that the yellow drum unit was not installed 6202 2 77 No HUB Support U...

Page 68: ...over then install Toner Cartridge Magenta M Developing terminal voltage detected that the toner cartridge magenta was not installed 6103 2 76 Open the TOP Cover then install Toner Cartridge Yellow Y Developing terminal voltage detected that the toner cartridge yellow was not installed 6102 2 76 No Tray T1 Reinstall Tray 1 The T1 paper feed sensor detected that the T1 is open when printing from the...

Page 69: ...202 2 62 Print Unable 05 Turn the power off and then back on again Detected the fuser unit temperature error 0501 2 63 0502 2 63 0503 2 63 0504 2 63 0505 2 63 0506 2 63 050A 2 64 050B 2 64 050C 2 64 Print Unable 08 Turn the power off and then back on again An error occurred in the internal temperature sensor 0800 2 64 Print Unable 09 Turn the power off and then back on again Detected irregular pow...

Page 70: ...off and then back on again Main PCB and LED control PCB cannot access each other 1E01 2 68 Cannot read write in the main PCB and LED control PCB 1E02 2 68 Print Unable 2E Turn the power off and then back on again Could not communicate with the cartridge sensor on the machine side 2E00 2 71 Cartridge sensor on the machine side does not work 2E02 2 71 Cartridge sensor version on the machine side is ...

Page 71: ... E100 2 104 Print Unable E5 Turn the power off and then back on again An error occurred during access to the DRAM in the main PCB E500 2 104 Print Unable E6 Turn the power off and then back on again Write error in the EEPROM of the main PCB E600 2 104 Print Unable E7 Turn the power off and then back on again Detected an error in main PCB E701 2 104 E702 2 104 Print Unable E9 Turn the power off and...

Page 72: ...r off and then back on again An error occurred with the value measured during auto color registration performed from the control panel 9A01 2 95 An error occurred with the value measured during manual color registration performed from the control panel 9901 2 93 Replace Belt Number of pages printed with the belt unit has reached the upper limit 4400 2 72 Replace Drum BK Number of the black drum un...

Page 73: ...counter of the toner cartridge magenta or develop roller counter has reached the upper limit was detected 4C03 2 74 Open the Top Cover replace Toner Cartridge Yellow Y Dot counter of the toner cartridge yellow or develop roller counter has reached the upper limit was detected 4C02 2 74 Replace WT Box Replace the Waste Toner Box inside the machine After the waste toner sensor detected that the wast...

Page 74: ...rted correctly when function code 55 was executed B000 2 100 Self Diagnostic Turn the power off then on again Leave the machine for 15 min Some fuser unit errors occurred at power ON or upon recovery from sleep mode 6901 2 80 Will Automatically Restart within 15 minutes After the error was detected at the fuser unit power was turned ON again and the error is being checked If power is turned OFF an...

Page 75: ...cified from the driver are not same when printing from the T1 9002 2 89 Reload correct paper Detected that the size of paper set in the T1 was over 10 mm shorter than letter size during receiving fax data or printing a list or report 8E02 2 88 Small paper Open the Back Cover and then press Start The paper size indicated for printing data while the back cover is closed was under the specified value...

Page 76: ...ate file and try again There is a file that contains more than 119 words in FIRM folder during the automatic firmware update with USB flash memory 4 14 3 Update Fail 07 Check the firmware update file and try again There is a firmware not for the machine model during the automatic firmware update with USB flash memory 4 14 3 Update Fail 08 Check the firmware update file and try again Unable to upda...

Page 77: ...ge sensor detected that the toner cartridge does not support magenta was installed 2203 2 69 WT Box End Soon The waste toner sensor detected that the waste toner box is almost full 4700 2 73 2 sided Disabled Close the Back Cover of the machine The back cover sensor detected the open state when 2 sided printing is started before the registration of printing in the engine 8903 2 86 The back cover se...

Page 78: ... from the control panel 9803 2 92 An error occurred with the value measured during density sensor sensitivity calibration 9804 2 92 Calibration failed Turn the power off and then back on again An error occurred with the value measured during color density adjustment performed from the control panel 9801 2 91 Cannot Detect Put the Toner Cartridge back in Black toner cartridge is not recognized by t...

Page 79: ...perly 4F03 2 75 Put the Yellow Y Toner Cartridge back in The new toner sensor of the toner cartridge yellow could not detect a new cartridge properly 4F02 2 75 Condensation Leave switched ON Fully open the TOP Cover Wait 30 minutes switch OFF and close cover then switch ON Condensation occurred in the machine 1400 2 67 Cooling Down Wait for a while The internal temperature sensor detected a temper...

Page 80: ...D terminal signal detected that the black drum was not installed when the machine was turned ON 620A 2 77 Open the Top Cover Cyan Pull out the drum unit and toner cartridge Slide the Green tab on Drum Unit Electrified terminal or GRID terminal signal detected that the cyan drum was not installed when the machine was turned ON 620D 2 77 Open the Top Cover Magenta Pull out the drum unit and toner ca...

Page 81: ...ass 7000 2 82 Jam Manual Feed Pull out the jammed paper from Manual Feed and press Retry When feeding from the manual feed slot the registration rear sensor does not detect the paper pass within the specified time after the manual feed paper empty sensor detected the paper pass Or the registration rear sensor detected the paper pass within the specified time after the manual feed paper empty senso...

Page 82: ...ut occurred with access request sent to server due to incorrect server address network disconnection or inactive server C001 2 102 Wrong Date Time contact your administrator Cannot acquire current time which is required for user authentication because the time has not been acquired C004 2 102 Machine Error Detected that the modem PCB is not connected D200 2 103 Machine Error F9 The spec code was n...

Page 83: ...en the Top Cover then install the Drum Unit Cyan GRID terminal signal detected that the cyan drum unit was not installed 6204 2 77 Open the Top Cover then install the Drum Unit Magenta GRID terminal signal detected that the magenta drum unit was not installed 6203 2 77 Open the Top Cover then install the Drum Unit Yellow GRID terminal signal detected that the yellow drum unit was not installed 620...

Page 84: ...r Cartridge Cyan C Developing terminal voltage detected that the toner cartridge cyan was not installed 6104 2 76 Open the Top Cover then install Toner Cartridge Magenta M Developing terminal voltage detected that the toner cartridge magenta was not installed 6103 2 76 Open the Top Cover then install Toner Cartridge Yellow Y Developing terminal voltage detected that the toner cartridge yellow was ...

Page 85: ...Unable 01 Turn the power off and then back on again ASIC error or motor driver error occurred 0101 2 62 Print Unable 02 Turn the power off and then back on again Cannot detect the synchronized signal of the paper feed motor The speed of the paper feed motor does not stabilize within the specified time 0201 2 62 Cannot detect the synchronized signal of the process motor The speed of the process mot...

Page 86: ... mark sensor R is dirty and cannot normally receive reflected light 1003 2 67 The registration mark sensor L is dirty and cannot normally receive reflected light 1004 2 67 Print Unable 1D Turn the power off and then back on again A communication error occurred in the LED ASSY black 1D01 2 68 A communication error occurred in the LED ASSY yellow 1D02 2 68 A communication error occurred in the LED A...

Page 87: ...gain A communication error occurred between the main ASIC and the recording ASIC DB00 2 104 Print Unable E0 Turn the power off and then back on again An error occurred at the ROM check sum in the firmware E000 2 104 Print Unable E1 Turn the power off and then back on again Program error E100 2 104 Print Unable E5 Turn the power off and then back on again An error occurred during access to the DRAM...

Page 88: ...ual color registration performed from the control panel 9901 2 93 An error occurred with the value measured during auto color registration performed from the control panel 9A01 2 95 Replace Toner Open the Top Cover Pull out the drum unit with toner to be replaced Press the green lever Replace toner Dot counter of the toner cartridge black or develop roller counter has reached the upper limit was d...

Page 89: ...ficient in the scanned second side data A000 2 96 Scan Unable A9 Turn the power off and then back on again A scanning error occurred while processing the scanned image A900 2 99 Scan Unable AF Turn the power off and then back on again Home position is still being detected even after the first side CIS unit was moved AF00 2 100 Scanner Error A white level not within the standard was scanned when fu...

Page 90: ...oad correct paper in MP Tray then press Retry The size of paper loaded in the MP tray and the one specified from the driver are not same when printing from the MP tray 9001 2 89 Reload correct paper in Tray1 then press Retry The size of paper loaded in the T1 and the one specified from the driver are not same when printing from the T1 9002 2 89 Fax received Set correct paper size in menu Paper siz...

Page 91: ...rum Cyan Number of the cyan drum unit rotations has reached the upper limit 4204 2 72 Replace Drum Magenta Number of the magenta drum unit rotations has reached the upper limit 4203 2 72 Replace Drum Yellow Number of the yellow drum unit rotations has reached the upper limit 4202 2 72 Toner Low BK Dot counter of the toner cartridge black or develop roller counter reaches the upper limit soon 4B01 ...

Page 92: ...uring the automatic firmware update with USB flash memory Unable to Update 0003 There is no target file in FIRM folder during the automatic firmware update with USB flash memory Unable to Update 0004 Unable to access to the USB flash memory during the automatic firmware update with USB flash memory Unable to Update 0005 Failed to analyze the firmware during the automatic firmware update with USB f...

Page 93: ... 4 14 1 Wrong Toner Cartridge Open the Top Cover then install Toner Cartridge Cartridge sensor detected that the toner cartridge does not support black was installed 2200 2 69 Cartridge sensor detected that the toner cartridge does not support yellow was installed 2201 2 69 Cartridge sensor detected that the toner cartridge does not support cyan was installed 2202 2 69 Cartridge sensor detected th...

Page 94: ...for the NGN line 33 digits or longer or non numeric characters 4 13 2 17 07 No response from the caller in receiving 4 13 2 1C 01 Detected that access to the NGN line was not authorized T38 403 Forbidden 4 13 3 1C 02 No file or folder directory found as a result of search via the NGN line T38 404 Not Found 4 13 3 1C 03 Remote station does not support the NGN line T38 488 Not Acceptable Here 4 13 3...

Page 95: ...38 4 13 3 32 01 Remote terminal only with V 29 capability in 2 400 or 4 800 bps transmission 4 13 3 32 02 Remote terminal not ready for polling 4 13 3 32 10 Remote terminal not equipped with password function or its password switch is OFF 4 13 3 32 11 Remote terminal not equipped with or not ready for confidential mailbox function 4 13 3 32 12 Remote terminal not equipped with or not ready for rel...

Page 96: ...3 3 50 01 Vertical resolution capability changed after compensation of background color 4 13 3 63 01 Password last 4 digits of telephone number does not match 4 13 1 63 02 Password not correct 4 13 1 63 03 Polling ID not correct 4 13 1 63 04 Specified confidential ID and MailBox ID do not match 4 13 1 63 05 Relay broad casting ID not correct 4 13 1 63 06 Specified Retrieval ID and MailBox Retrieva...

Page 97: ...n around transmission due to call reservation 4 13 2 B0 04 PC interface error 4 13 2 C0 01 No common modulation mode or failed to poll 4 13 3 C0 02 Unable to detect JM 4 13 3 C0 03 Unable to detect CM 4 13 3 C0 04 Unable to detect CJ 4 13 3 C0 10 Cannot finish V 34 negotiation or training 4 13 3 C0 11 Modem error detected during V 34 negotiation or training 4 13 3 C0 20 Modem error detected while ...

Page 98: ...ge power supply harness 3 Paper feed motor flat cable failure Replace the paper feed motor flat cable 4 Damaged parts in paper feed drive unit Replace the paper feed drive unit 5 Damaged parts in process drive unit Replace the process drive unit 6 Damaged fuser unit Replace the fuser unit 7 Low voltage power supply PCB failure Replace the low voltage power supply PCB 8 Main PCB failure Replace the...

Page 99: ...r code 0506 The center thermistor of the fuser unit detected a temperature fall greater than the specified value within the specified time User Check Turn OFF the power switch After several seconds turn ON the power again and check that this error is reset Step Cause Remedy 1 Connection failure of the center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harne...

Page 100: ... center or side thermistor harness of the fuser unit Reconnect the center or side thermistor harness of the fuser unit 2 Connection failure of the fuser unit heater harness Reconnect the fuser unit heater harness 3 Connection failure of the eject sensor harness Reconnect the eject sensor harness 4 Connection failure of the low voltage power supply harness Reconnect the low voltage power supply har...

Page 101: ...ote The irregular power supply detection error Error code 0900 of the low voltage power supply PCB occurs when there is a large distortion in the power supply voltage supplied to the machine In this case if the same power supply is used the same error might occur again even if the low voltage power supply PCB is replaced For this reason be sure to ask the user to rearrange the installation environ...

Page 102: ...achine the drum unit the belt unit and the waste toner box terminal Clean the machine the drum unit the belt unit and the waste toner box terminal Refer to Fig 2 11 P2 78 Fig 2 12 P2 78 Fig 2 16 P2 119 and Fig 2 17 P2 123 2 Connection failure of the high voltage power supply flat cable Reconnect the high voltage power supply flat cable 3 High voltage power supply PCB failure Replace the high volta...

Page 103: ...ose the top and back covers and turn OFF and ON the power switch Step Cause Remedy 1 Dirt on the registration mark sensor R Clean the registration mark sensor R part of the registration mark sensor R PCB 2 Dirt by toner inside the machine Clean inside of the machine 3 Registration mark sensor R PCB failure Replace the registration mark sensor R PCB 4 Main PCB failure Replace the main PCB Step Caus...

Page 104: ...n PCB and LED control PCB Step Cause Remedy 1 Connection failure of an LED ASSY flat cable Reconnect an LED ASSY flat cable 2 Connection failure of the LED control flat cable Reconnect the LED control flat cable 3 An LED ASSY flat cable failure Replace an LED ASSY flat cable 4 LED control PCB failure Replace the LED control PCB 5 An LED ASSY failure Replace an LED ASSY 6 Main PCB failure Replace t...

Page 105: ...idge sensor detected that the toner cartridge does not support black was installed Error code 2201 Cartridge sensor detected that the toner cartridge does not support yellow was installed Error code 2202 Cartridge sensor detected that the toner cartridge does not support cyan was installed Error code 2203 Cartridge sensor detected that the toner cartridge does not support magenta was installed Use...

Page 106: ...er cartridge could not communicate with the cartridge sensor Error code 2502 Cyan toner cartridge could not communicate with the cartridge sensor Error code 2503 Magenta toner cartridge could not communicate with the cartridge sensor User Check Reinstall the toner cartridge Use the genuine toner cartridge Replace the toner cartridge with a new one Step Cause Remedy 1 Main PCB failure Replace the m...

Page 107: ...emperature error occurred in the external temperature humidity sensor Error code 3A00 A communication error occurred between the controller and engine in main PCB Step Cause Remedy 1 Main PCB failure Replace the main PCB Step Cause Remedy 1 Connection failure of the external temperature humidity sensor harness Reconnect the external temperature humidity sensor harness 2 Main PCB failure Replace th...

Page 108: ...er of the magenta drum unit rotations has reached the upper limit Printing does not stop Error code 4204 Number of the cyan drum unit rotations has reached the upper limit Printing does not stop User Check Prepare a new drum unit Error code 4300 Number of pages printed with the belt unit will reach the upper limit soon 90 Error code 4400 Number of pages printed with the belt unit has reached the u...

Page 109: ...use Remedy 1 End of life of the fuser unit Replace the fuser unit Refer to 1 3 36 Reset counters for consumable parts Function code 88 in Chapter 5 to reset the fuser unit counter after the replacement 2 Replace the fuser unit with a new one and reset the fuser unit counter If the error display is not cleared the main PCB is faulty Replace the main PCB Step Cause Remedy 1 Connection failure of the...

Page 110: ... detected Error code 4C02 Dot counter of the toner cartridge yellow or develop roller counter has reached the upper limit was detected Error code 4C03 Dot counter of the toner cartridge magenta or develop roller counter has reached the upper limit was detected Error code 4C04 Dot counter of the toner cartridge cyan or develop roller counter has reached the upper limit was detected Error code 4C05 ...

Page 111: ...rror code 5002 Number of used pages for the PF kit 1 has reached the upper limit Printing does not stop Step Cause Remedy 1 High voltage power supply PCB failure Replace the high voltage power supply PCB 2 Main PCB failure Replace the main PCB Step Cause Remedy 1 End of life of the PF kit MP Replace the PF kit MP Refer to 1 3 36 Reset counters for consumable parts Function code 88 in Chapter 5 to ...

Page 112: ...ridge cyan was not installed User Check Set the toner cartridge correctly Step Cause Remedy 1 Connection failure of the HVPS harness Reconnect the HVPS harness 2 Main PCB failure Replace the main PCB Step Cause Remedy 1 Eject actuator coming off or caught in some sections of the machine Reattach the eject actuator 2 Fuser cover attachment failure Reattach the fuser cover 3 Connection failure of th...

Page 113: ...achine was turned ON Error code 620C Electrified terminal or GRID terminal signal detected that the magenta drum was not installed when the machine was turned ON Error code 620D Electrified terminal or GRID terminal signal detected that the cyan drum was not installed when the machine was turned ON User Check Set the drum unit correctly Step Cause Remedy 1 Dirt on the electrified corona wire termi...

Page 114: ...des location of main body Fig 2 11 Electrodes location of the drum unit Fig 2 12 Belt transfer roller Grid Charging Corona wire Drum cleaner Waste toner sensor Waste toner box common Waste toner box cleaning roller Belt common ...

Page 115: ...tep Cause Remedy 1 Dirt on the electrodes of the waste toner box and those of the machine Clean the electrodes of the waste toner box and those of the machine Refer to Fig 2 11 P2 78 2 High voltage power supply PCB failure Replace the high voltage power supply PCB 3 Main PCB failure Replace the main PCB Step Cause Remedy 1 Connection failure of the registration mark sensor L harness Reconnect the ...

Page 116: ... harness 2 Connection failure of the eject sensor harness Reconnect the eject sensor harness 3 Fuser unit failure Replace the fuser unit 4 Eject sensor PCB failure Replace the eject sensor PCB 5 Low voltage power supply PCB failure Replace the low voltage power supply PCB 6 Main PCB failure Replace the main PCB Note Turn OFF the power switch After the fuser unit has cooled sufficiently turn ON the...

Page 117: ...e times to clean the corona wire Clean the electrode of each drum unit Refer to Fig 2 12 P2 78 Replace each drum unit Error code 6E00 The develop release sensor detected the develop roller disengagement or engagement failure Step Cause Remedy 1 Dirt on the GRID terminals of the machine Clean the GRID terminals of the machine Refer to Fig 2 11 P2 78 2 Dirt on the high voltage power supply PCB termi...

Page 118: ...e Remedy 1 Foreign object inside the machine Remove the foreign object 2 Eject actuator coming off or caught in some sections of the machine Reattach the eject actuator 3 Fuser cover attachment failure Reattach the fuser cover 4 Connection failure of the eject sensor harness Reconnect the eject sensor harness 5 Damaged fuser drive gear Z25 Replace the fuser drive gear Z25 6 Damaged gears in the pr...

Page 119: ...ne Remove the foreign object 2 Eject actuator caught in some sections of the machine Reattach the eject actuator 3 Fuser cover attachment failure Reattach the fuser cover 4 Back cover attachment failure Reattach the back cover 5 Eject sensor failure Replace the eject sensor PCB 6 Back cover failure Replace the back cover 7 Paper eject ASSY failure Replace the paper eject ASSY 8 Damaged gears in th...

Page 120: ...or coming off or caught in some sections of the machine Reattach the registration rear actuator 3 Connection failure of the manual feed paper empty regist rear regist front sensor harness Reconnect the manual feed paper empty regist rear regist front sensor harness 4 MP unit attachment failure Reattach the MP unit 5 MP separation pad worn out Replace the PF kit MP 6 Registration rear sensor failur...

Page 121: ... of the machine or duplex tray Remove the foreign object 2 Connection failure of the duplex clutch harness Reconnect the duplex clutch harness 3 Duplex clutch failure Replace the paper feed unit 4 Paper eject roller failure Replace the paper eject ASSY 5 Duplex unit failure Replace the duplex unit 6 Main PCB failure Replace the main PCB Step Cause Remedy 1 Foreign object in the rear of the machine...

Page 122: ...back cover sensor detected the open state during 2 sided printing after the registration of printing in the engine User Check Close the back cover correctly Step Cause Remedy 1 T1 paper feed actuator coming off or caught in some sections of the machine Reattach the T1 paper feed actuator 2 T1 paper feed sensor failure Replace the paper feed unit 3 Main PCB failure Replace the main PCB Step Cause R...

Page 123: ...tor caught in some sections of the machine Reattach the registration rear actuator 2 Registration rear sensor failure Replace the paper feed unit 3 Main PCB failure Replace the main PCB Step Cause Remedy 1 Manual feed actuator caught in some sections of the machine Reattach the manual feed actuator 2 Connection failure of the manual feed paper empty regist rear regist front sensor harness Reconnec...

Page 124: ... letter size during receiving fax data or printing a list or report User Check Set A4 or Letter size paper Step Cause Remedy 1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator 2 Registration rear sensor failure Replace the paper feed unit 3 Main PCB failure Replace the main PCB Step Cause Remedy 1 Main PCB failure Replace the main PCB Step C...

Page 125: ... Check Use the same paper type setting for the machine and driver Error code 9301 When printing from the MP tray the MP paper empty sensor detected that no paper was in the MP tray User Check Load paper to the MP tray Step Cause Remedy 1 Registration rear actuator caught in some sections of the machine Reattach the registration rear actuator 2 Registration rear sensor failure Replace the paper fee...

Page 126: ...e paper feed unit 6 Damaged gears in the paper feed drive unit Replace the paper feed drive unit 7 Paper feed motor failure Replace the process drive unit 8 Main PCB failure Replace the main PCB Step Cause Remedy 1 Connection failure of the MP paper empty sensor harness Reconnect the MP paper empty sensor harness 2 Connection failure of the T1 paper empty paper feed sensor harness Reconnect the T1...

Page 127: ...n the correct order of colors Replace the toner cartridge Replace the drum unit If the belt unit has a scratch replace it If WT Box End Soon is displayed on the LCD and the belt unit has dirt replace the waste toner box Step Cause Remedy 1 Main PCB failure Replace the main PCB Step Cause Remedy 1 Dirt on the registration mark sensor L Clean the registration mark sensor L 2 Failure in printed measu...

Page 128: ...rs Replace the toner cartridge Replace the drum unit If the belt unit has a scratch replace it If WT Box End Soon is displayed on the LCD and the belt unit has dirt replace the waste toner box Step Cause Remedy 1 Main PCB failure Replace the main PCB Step Cause Remedy 1 Dirt on the registration mark sensor L Clean the registration mark sensor L 2 Failure in printed measurement If failure occurs wh...

Page 129: ...trol panel User Check Replace the corresponding toner cartridge Step Cause Remedy 1 Dirt on the registration mark sensor L registration mark sensor R Clean the registration mark sensor L registration mark sensor R 2 Connection failure of the registration mark sensor L registration mark sensor R harness Reconnect the registration mark sensor L registration mark sensor R harness 3 Failure in printed...

Page 130: ...edy 1 Dirt on the registration mark sensor L registration mark sensor R Clean the registration mark sensor L registration mark sensor R 2 Connection failure of the registration mark sensor L registration mark sensor R harness Reconnect the registration mark sensor L registration mark sensor R harness 3 Failure in printed measurement If failure occurs when printing K W Y M C in Function code 71 ref...

Page 131: ...rol panel User Check Replace the corresponding toner cartridge Step Cause Remedy 1 Dirt on the registration mark sensor L registration mark sensor R Clean the registration mark sensor L registration mark sensor R 2 Connection failure of the registration mark sensor L registration mark sensor R harness Reconnect the registration mark sensor L registration mark sensor R harness 3 Failure in printed ...

Page 132: ...tion mark sensor L registration mark sensor R Clean the registration mark sensor L registration mark sensor R 2 Connection failure of the registration mark sensor L registration mark sensor R harness Reconnect the registration mark sensor L registration mark sensor R harness 3 Failure in printed measurement If failure occurs when printing K W Y M C in Function code 71 refer to 4 3 Troubleshooting ...

Page 133: ...on actuator caught in some sections of the machine Reattach the document scanning position actuator 2 Document scanning position sensor failure Replace the document scanning position sensor PCB 3 Main PCB failure Replace the main PCB Step Cause Remedy 1 Foreign object inside the ADF Remove the foreign objects inside the ADF 2 Document scanning position actuator caught in some sections of the machi...

Page 134: ...over actuator 2 ADF cove sensor attachment failure Reattach the ADF cover sensor 3 ADF cover attachment failure Reattach the ADF cover 4 Connection failure of the ADF cover sensor harness Reconnect the ADF cover sensor harness 5 Damage of the ADF cover Replace the ADF cover 6 ADF cover sensor failure Replace the ADF unit 7 Main PCB failure Replace the main PCB Step Cause Remedy 1 Incorrect correct...

Page 135: ...t side CIS unit failure Replace the first side CIS unit 5 Second side CIS unit failure Replace the second side CIS unit 6 Main PCB failure Replace the main PCB Step Cause Remedy 1 Incorrect correction data for second side CIS unit Execute Acquire white level data Function code 55 2 Dirt on the white tape on the second side document hold Clean the white tape on the second side document hold 3 Damag...

Page 136: ...ide CIS unit 7 FB motor failure Replace the document scanner unit 8 Main PCB failure Replace the main PCB Step Cause Remedy 1 Connection failure of the first side CIS flat cable Reconnect the first side CIS flat cable 2 Connection failure of the second side CIS flat cable Reconnect the second side CIS flat cable 3 Damaged first side CIS flat cable Replace the first side CIS flat cable 4 Damaged se...

Page 137: ...ument hold 3 Damaged second side CIS flat cable Replace the second side CIS flat cable 4 Second side CIS unit failure Replace the second side CIS unit 5 White tape failure Replace the ADF unit 6 Main PCB failure Replace the main PCB Step Cause Remedy 1 Dirt on the second side document hold Clean the second side document hold 2 First side CIS unit failure Replace the first side CIS unit 3 Second si...

Page 138: ...uthentication because the time has not been acquired User Check Refer to the online User s Guide to set the network again Check the LAN cable routing Check the wireless LAN settings Error code C100 Failed to save data to a USB flash memory when the USB DUMP was running User Check Check that there is enough space in the USB flash memory Replace the USB flash memory Step Cause Remedy 1 Connection fa...

Page 139: ... the modem Error code D200 Detected that the modem PCB is not connected Error code D800 An error occurred while initializing the touch panel Step Cause Remedy 1 Main PCB failure Replace the main PCB Step Cause Remedy 1 Connection failure of the modem flat cable Reconnect the modem flat cable 2 Modem flat cable failure Replace the modem flat cable 3 Modem PCB failure Replace the modem PCB 4 Main PC...

Page 140: ...the main PCB Error code E600 Write error in the EEPROM of the main PCB Error code E701 System error in the flash ROM Error code E702 Read error in the flash ROM Error code E900 An error occurred while initializing the NFC Step Cause Remedy 1 Main PCB failure Replace the main PCB Step Cause Remedy 1 Main PCB failure Replace the main PCB Step Cause Remedy 1 Connection failure of the NFC flat cable R...

Page 141: ...e ON again after a while Replace the USB device with a different one Error code F900 The spec code was not entered correctly Step Cause Remedy 1 USB host PCB failure Replace the USB host PCB 2 Main PCB failure Replace the main PCB Step Cause Remedy 1 The power was turned OFF while function code 74 was running Reenter the spec code Refer to 1 3 28 Configure for country region and model Function cod...

Page 142: ...e figure below to clean the paper dust cleaning roller and inside of the paper dust cleaning roller cover 2 T1 roller holder ASSY attachment failure Reattach the T1 roller holder ASSY correctly 3 Connection failure of the paper feed motor flat cable Reconnect the paper feed motor flat cable 4 Connection failure of the T1 paper empty paper feed sensor harness Reconnect the T1 paper empty paper feed...

Page 143: ...y 1 MP roller holder ASSY attachment failure Reattach the MP roller holder ASSY correctly 2 Connection failure of the paper feed motor flat cable Reconnect the paper feed motor flat cable 3 Connection failure of the MP paper empty sensor harness Reconnect the MP paper empty sensor harness 4 Connection failure of the MP registration sensor harness Reconnect the MP registration sensor harness 5 Abra...

Page 144: ... in each paper tray or rotate the paper 180 Check that the thickness of the paper is 60 to 163 g m2 Flip through the paper and reset it in the paper tray Step Cause Remedy 1 Manual feed paper actuator coming off Reattach the manual feed paper actuator 2 Connection failure of the manual feed paper empty regist rear regist front sensor harness Reconnect the manual feed paper empty regist rear regist...

Page 145: ...to each paper size Check that the thickness of the paper is 60 to 163 g m2 Check that there is not too much paper set in the paper tray Check that the type of paper is appropriate Clean each paper pick up roller Check that the green envelope lever of the fuser cover is not lowered on only one side 4 2 7 Paper curls User Check Change the driver setting to be matched with the size of the paper set i...

Page 146: ... specified by the manufacturer Step Cause Remedy 1 Eject actuator coming off Reattach the eject actuator 2 Back cover failure Replace the back cover 3 Duplex clutch failure Replace the paper feed unit 4 Duplex unit failure Replace the duplex unit 5 Eject sensor failure Replace the eject sensor PCB 6 Paper eject ASSY failure Replace the paper eject ASSY 7 Main PCB failure Replace the main PCB ...

Page 147: ...e paper feed actuator 4 Registration front actuator coming off Reattach the registration front actuator 5 Connection failure of the manual feed paper empty regist rear regist front sensor harness Reconnect the manual feed paper empty regist rear regist front sensor harness 6 Connection failure of the registration clutch harness Reconnect the registration clutch harness 7 Connection failure of the ...

Page 148: ...t around the MP tray Remove the foreign object 2 Connection failure of the MP paper empty sensor harness Reconnect the MP paper empty sensor harness 3 MP registration front actuator coming off Reattach the MP registration front actuator 4 Connection failure of the registration solenoid harness Reconnect the registration solenoid harness 5 MP paper empty sensor failure Replace the MP paper empty se...

Page 149: ...of the paper is 60 to 163 g m2 Step Cause Remedy 1 Foreign object around the manual feed slot Remove the foreign object 2 Registration front actuator coming off Reattach the registration front actuator 3 Connection failure of the registration clutch harness Reconnect the registration clutch harness 4 Damaged gears in the paper feed drive unit Replace the paper feed drive unit 5 Paper feed motor fa...

Page 150: ...installed correctly Replace the drum unit Replace the belt unit Step Cause Remedy 1 Foreign object inside the machine Remove the foreign object 2 Eject actuator coming off Reattach the eject actuator 3 Connection failure of the eject sensor harness Reconnect the eject sensor harness 4 Fuser cover attachment failure Reattach the fuser cover 5 Damaged fuser drive gear Replace the fuser drive gear 6 ...

Page 151: ...n object in the rear of the machine Remove the foreign object 2 Eject actuator coming off Reattach the eject actuator 3 Connection failure of the eject sensor harness Reconnect the eject sensor harness 4 Fuser cover attachment failure Reattach the fuser cover 5 Eject sensor failure Replace the eject sensor PCB 6 Paper feed motor or process motor failure Replace the process drive unit 7 Paper eject...

Page 152: ...s 2 124 Vertical streaks in a dark background 2 125 Horizontal stripes 2 125 Light vertical streaks and bands on one color image 2 126 White horizontal stripes on one color image 2 126 Faint print 2 127 White spots on one color image 2 128 One color spots or dirt 2 129 One color band 2 130 Downward fogging of solid color 2 132 Horizontal lines 2 132 Ghost 2 133 Inter color position alignment 2 133...

Page 153: ...ith a new one Replace the belt unit with a new one Turn ON the power switch and leave the machine for a while condensation Check if paper is not damp Use specified paper Step Cause Remedy 1 Dirt on the electrodes of the drum unit and those of the machine Clean the electrodes of the drum unit and those of the machine Refer to Fig 2 11 P2 78 and Fig 2 12 P2 78 2 Dirt on the electrodes of the high vo...

Page 154: ...e Clean the electrodes of the drum unit and those of the machine Refer to Fig 2 11 P2 78 and Fig 2 12 P2 78 2 Dirt on the electrodes of the belt unit and those of the machine Clean the electrodes of the belt unit and those of the machine Refer to Fig 2 11 P2 78 and Fig 2 16 P2 119 3 Dirt on the electrodes of the high voltage power supply PCB Clean the electrodes of the high voltage power supply PC...

Page 155: ...2 119 Confidential Electrodes location of belt unit Fig 2 16 ...

Page 156: ... drum unit Replace the drum unit with a new one Replace the toner cartridge with a new one Replace the belt unit with a new one Step Cause Remedy 1 Dirt on the electrodes of the drum unit and those of the machine Clean the electrodes of the drum unit and those of the machine Refer to Fig 2 11 P2 78 and Fig 2 12 P2 78 2 Dirt on the electrodes of the belt unit and those of the machine Clean the elec...

Page 157: ...ly PCB 5 Low voltage power supply PCB failure Replace the low voltage power supply PCB 6 Main PCB failure Replace the main PCB User Check Clean the corona wire of the drum unit Replace the drum unit with a new one Replace the toner cartridge with a new one Install the latest main firmware Step Cause Remedy 1 Dirt on the electrodes of the drum unit and those of the machine Clean the electrodes of t...

Page 158: ...P2 78 and Fig 2 12 P2 78 2 Dirt on the electrodes of the belt unit and those of the machine Clean the electrodes of the belt unit and those of the machine Refer to Fig 2 11 P2 78 and Fig 2 16 P2 119 3 LED control flat cable failure Replace the LED control flat cable 4 Dirt on the electrodes of the high voltage power supply PCB and those of the machine Clean the electrodes of the high voltage power...

Page 159: ...d system Wipe dirt off 2 Dirt on the electrodes of the belt unit and those of the machine Clean the electrodes of the belt unit and those of the machine Refer to Fig 2 11 P2 78 and Fig 2 16 P2 119 3 Dirt on the electrodes of the waste toner box and those of the machine Clean the electrodes of the waste toner box and those of the machine Refer to Fig 2 11 P2 78 and below 4 Dirt on the fuser unit Re...

Page 160: ...e Replace the toner cartridge with a new one Wipe the LED ASSY with a soft lint free cloth Refer to Fig 2 15 P2 118 Step Cause Remedy 1 Dirt in the paper feed system Wipe dirt off 2 A ground wire or ground plate installation failure Grounding is not performed correctly Retighten the screws of each ground wire or ground plate Repair the bend of the tray ground spring of the T1 Refer to the figure b...

Page 161: ...D ASSY failure Replace the appropriate LED ASSY User Check Clean the corona wire of the drum unit This problem may disappear after printing multiple sheets of paper Refer to How to clean the drum unit to remove the dirt from the exposure drum using a cotton applicator Replace the drum unit with a new one Replace the toner cartridge with a new one Step Cause Remedy 1 Dirty charge electrodes Clean t...

Page 162: ...olor image User Check This problem may disappear after printing multiple sheets of paper Replace the drum unit with a new one Replace the toner cartridge with a new one Step Cause Remedy 1 Dirty charge electrodes Clean the electrodes of the drum unit and those of the machine Refer to Fig 2 12 P2 78 and Fig 2 11 P2 78 2 LED ASSY failure Replace the appropriate LED ASSY Step Cause Remedy 1 Dirty cha...

Page 163: ... on a level surface Wipe the LED ASSY with a soft lint free cloth Refer to Fig 2 15 P2 118 Replace the drum unit with a new one Replace the toner cartridge with a new one Step Cause Remedy 1 LED ASSY failure Replace the appropriate LED ASSY 2 Main PCB failure Replace the main PCB ...

Page 164: ... the Fig 2 13 P2 106 to clean the paper dust cleaning roller 2 Clogged filter Clean the filter 3 Scratch or dirt on the fuser unit Replace the fuser unit 4 High voltage power supply PCB failure Replace the high voltage power supply PCB Note Image defects which appear periodically may be caused by failure of rollers Refer to the table below and determine the cause based on the pitch at which defect...

Page 165: ...use Remedy 1 Dirt on the paper dust cleaning roller of the T1 Refer to the Fig 2 13 P2 106 to clean the paper dust cleaning roller 2 Clogged filter Clean the filter 3 Scratch or dirt on the fuser unit Replace the fuser unit 4 High voltage power supply PCB failure Replace the high voltage power supply PCB Note Image defects which appear periodically may be caused by failure of rollers Refer to Pitc...

Page 166: ...e appropriate toner cartridge from the drum unit Check where the image distortion occurs by placing the print sample in front of the drum unit Fig 2 19 Fig 2 20 Refer to the table Pitches on images caused by rollers for what represents the value A Step Cause Remedy 1 A ground wire or ground plate installation failure Grounding is not performed correctly Retighten the screws of each ground wire or ...

Page 167: ...omes to the front Fig 2 21 3 If the position of the dirt on the drum and the dots on the print sample matches wipe the exposure drum surface with a cotton bud until the dirt and paper dust comes off Fig 2 22 Note Do not clean the exposure drum surface with anything sharp like a ball pointed pen ...

Page 168: ...printing multiple sheets of paper Refer to How to clean the drum unit to remove the dirt from the exposure drum using a cotton applicator Replace the drum unit with a new one Replace the toner cartridge with a new one Step Cause Remedy 1 Dirty charge electrodes Clean the electrodes of the drum unit and those of the machine Refer to Fig 2 12 P2 78 and Fig 2 11 P2 78 2 Scratch or dirt on the fuser u...

Page 169: ...stment of inter color position alignment Replace the belt unit with a new one Replace the drum unit with a new one Replace the waste toner box with a new one Step Cause Remedy 1 Registration mark sensor L or registration mark sensor R failure Replace the registration mark sensor ASSY 2 Main PCB failure Replace the main PCB User Check Check the usage environment of the machine Using the machine in ...

Page 170: ...ig 2 11 P2 78 and Fig 2 16 P2 119 3 High voltage power supply PCB failure Replace the high voltage power supply PCB 4 LED ASSY failure Replace the appropriate LED ASSY 5 Main PCB failure Replace the main PCB User Check Check the usage environment of the machine Using the machine in hot humid or cold dry conditions can cause this problem Refer to How to clean the drum unit to remove the dirt from t...

Page 171: ...ccur lower the envelope levers to the position B to perform printing Refer to the figure below Step Cause Remedy 1 Fuser unit failure Replace the fuser unit User Check Check the usage environment of the machine Using the machine in hot humid or cold dry conditions can cause this problem For thick paper such as Thick paper or Envelope perform printing with the envelope levers lowered to the bottom ...

Page 172: ... s Guide Check the driver settings Reset the machine to the default settings Follow the procedures below to verify the product ID in Macintosh 1 Select About This Mac from the Apple menu 2 Click the More Info in the About This Mac dialog box 3 Select USB under the Hardware in Contents on the left side 4 Select the machine MFC XXXX from USB Device Tree 5 Check Product ID in MFC XXXX Product ID Hexa...

Page 173: ...heck Check the wireless LAN settings Check the access point settings Change the machine installation location Set the access point manually Step Cause Remedy 1 Connection failure of the wireless LAN PCB connector Reconnect the wireless LAN PCB connector 2 Wireless LAN PCB failure Replace the wireless LAN PCB 3 LAN terminal pin deformation Main PCB failure Replace the main PCB Step Cause Remedy 1 W...

Page 174: ...ction failure of the high voltage power supply flat cable Touch panel models only Reconnect the high voltage power supply flat cable 4 Connection failure of the LCD flat cable Reconnect the LCD flat cable 5 AC cord failure Replace the AC cord 6 Panel flat cable failure Replace the panel flat cable 7 LCD failure Replace the LCD 8 Panel PCB failure Replace the panel PCB 9 Low voltage power supply PC...

Page 175: ...1 Connection failure of the panel flat cable Reconnect the panel flat cable 2 Connection failure of the touch panel flat cable Reconnect the touch panel flat cable 3 Panel PCB failure Replace the panel PCB 4 Touch panel ASSY failure Replace the touch panel ASSY 5 Key PCB failure Replace the key PCB 6 Main PCB failure Replace the main PCB ...

Page 176: ... 4 7 3 Toner replacement message displayed on LCD is not cleared User Check Be sure to set a new toner cartridge Check that the genuine toner cartridge is set Step Cause Remedy 1 High voltage power supply PCB failure Replace the high voltage power supply PCB 2 Main PCB failure Replace the main PCB Step Cause Remedy 1 High voltage power supply PCB failure Replace the high voltage power supply PCB 2...

Page 177: ...he drum unit and those of the machine Clean the electrodes of the drum unit and those of the machine Refer to Fig 2 11 P2 78 and Fig 2 12 P2 78 2 Dirt on the electrodes of the high voltage power supply PCB and those of the machine Clean the electrodes of the high voltage power supply PCB and those of the machine 3 High voltage power supply PCB failure Replace the high voltage power supply PCB 4 Ma...

Page 178: ...voltage power supply PCB 7 Fuser unit failure Replace the fuser unit 8 Main PCB failure Replace the main PCB Note Turn the power switch OFF and then ON again Leave the machine for 15 minutes This problem may then be cleared The machine may recover from the error when the test printing of the maintenance mode for service personnel is started However conducting this operation while the heater has no...

Page 179: ...back ON again Install the latest main firmware Check the print limit ID Check that the print data is not damaged 4 10 2 Full memory User Check Print the accumulated data Reduce the amount or resolution of the data Step Cause Remedy 1 Main PCB failure Replace the main PCB Step Cause Remedy 1 Main PCB failure Replace the main PCB ...

Page 180: ... g m2 Check that the number of paper set has not exceeded the upper limit in the document tray Step Cause Remedy 1 Document detection actuator coming off Reattach the document detection actuator 2 Connection failure of the ADF motor harness Reconnect the ADF motor harness 3 Document detection sensor failure Replace the document detection sensor PCB 4 Document separation roller failure Replace the ...

Page 181: ...off Reattach the document pinch roller 3 Damaged ADF drive gear Replace the ADF unit 4 Main PCB failure Replace the main PCB Step Cause Remedy 1 Foreign object inside the ADF Remove the foreign object 2 Document scanning position actuator coming off Reattach the document scanning position actuator 3 Document pinch roller coming off Reattach the document pinch roller 4 Connection failure of the doc...

Page 182: ...reign object in the ADF document eject path Remove the foreign object 2 Document pinch roller coming off Reattach the document pinch roller 3 Abrasion of document eject roller Replace the ADF unit 4 Main PCB failure Replace the main PCB Step Cause Remedy 1 Abrasion of document separation roller Replace the document separation roller ASSY 2 Abrasion of document feed roller Replace the ADF unit Step...

Page 183: ... streaks 2 150 Partially shaded 2 151 Fully tinged 2 151 User Check Check that the contrast setting is not too light Clean the scanner glass or first side second side scanner glass strip Clean the first side second side document hold Step Cause Remedy 1 Incorrect white level correction data Execute Acquire white level data Function code 55 2 First or second side CIS unit failure Replace the first ...

Page 184: ...1 Deviation of the scanning start position Execute Fine adjustment of scan start position Function code 54 2 Document scanning position actuator caught in some sections of the machine Reattach the document scanning position actuator User Check Check that the contrast setting is not too dark Clean the first side second side document hold Step Cause Remedy 1 Incorrect white level correction data Exe...

Page 185: ...cable 3 First or second side CIS unit failure Replace the first or second side CIS unit 4 Main PCB failure Replace the main PCB User Check Install all the latest firmwares Step Cause Remedy 1 Incorrect white level correction data Execute Acquire white level data Function code 55 2 First or second side CIS flat cable failure Replace the first or second side CIS flat cable 3 First or second side CIS...

Page 186: ... Scratch on scanner glass Replace the document scanner unit 5 Scratch on second side scanner glass strip Replace the ADF unit User Check Clean the scanner glass or first side second side scanner glass strip Clean the first side second side document hold Step Cause Remedy 1 Dirt inside of scanner glass Clean the inside of the scanner glass 2 Dirt inside of first side second side scanner glass strip...

Page 187: ... Deformed document sponge Replace the document scanner unit User Check Clean the scanner glass or first side second side scanner glass strip Step Cause Remedy 1 Incorrect white level correction data Execute Acquire white level data Function code 55 2 First or second side CIS unit failure Replace the first or second side CIS unit 3 Main PCB failure Replace the main PCB ...

Page 188: ...IS flat cable Reconnect the CIS flat cable 3 Connection failure of the panel flat cable Reconnect the panel flat cable 4 Connection failure of the touch panel flat cable Reconnect the touch panel flat cable 5 Connection failure of the key flat cable Reconnect the key flat cable 6 Connection failure of the document detection sensor harness Reconnect the document detection sensor harness 7 Document ...

Page 189: ...urs User Check Check whether there is any noise source near the machine Replace the telephone line 4 13 4 Receive buffer full during receiving into memory User Check Print the print data stored in the memory Divide the print data and print it Step Cause Remedy 1 Connection failure of the modem flat cable Reconnect the modem flat cable 2 Modem PCB failure Replace the modem PCB 3 Main PCB failure Re...

Page 190: ... with the one specified in the driver 4 14 2 Problem of USB direct interface User Check Wait for one minute while connecting the USB flash memory and check if it works normally Connect the USB flash memory again Replace the USB flash memory Check that the extension of data in the USB flash memory is correct Check that the USB device out of specification is not connected Check that the multiple USB...

Page 191: ...ailure by interruption the firmware might not correctly written in the ROM Update the firmware again by the following procedure Touch panel model 1 Turn OFF the machine 2 Turn ON the machine while pressing the 3 Double click the Filedg32 exe to start and select Brother Maintenance USB Printer 4 Drag and drop the firmware upd file in the FILEDG32 screen Update is started 3 Firmware file has a probl...

Page 192: ... 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 cables are not at an angle When connecting or disconnecting harnesses hold the connector body not the cables If the connector has a lock release the connector lock first to release it After a repair check not only the repaired portion but also harne...

Page 193: ...3 2 Confidential 2 PACKING Pad upper R Pad upper L Carton Pad bottom Option carton upper ...

Page 194: ...asher M3x12DB Taptite cup S M3x6 SR Taptite cup S M3x8 SR Screw cup M3x8 SR Taptite cup S Screw cup M3x8 Screw cup M3x6 Screw cup Taptite bind B M3x10 Taptite bind B M4x12 Taptite bind B Taptite pan washer Taptite pan washer B M4x12DA Taptite cup B Taptite cup B M3x8 Taptite bind S Taptite bind S M3x5 Screw pan Screw pan M4x8 ...

Page 195: ...nt chute Taptite cup B M3x10 6 0 5 0 1 5 1 ADF ground wire Taptite cup S M3x6 SR 1 0 8 0 1 8 1 Hinge arm L For models without ADF Taptite bind B M4x12 3 0 5 0 1 5 1 Hinge arm R For models without ADF Taptite bind B M4x12 3 0 5 0 1 5 1 Panel unit Taptite cup B M3x10 4 0 5 0 1 5 1 Key PCB pressure Touch panel models Taptite cup B M3x10 5 0 45 0 05 4 5 0 5 Shield cover Touch panel models Screw pan S ...

Page 196: ...5 7 5 0 5 Main PCB Screw cup M3x8 black 3 0 45 0 05 4 5 0 5 Cartridge sensor relay PCB Screw cup M3x8 black 1 0 45 0 05 4 5 0 5 DEV clutch cover Taptite cup S M3x8 SR 1 0 75 0 05 7 5 0 5 Process drive unit Taptite cup S M3x8 SR 2 0 75 0 05 7 5 0 5 Taptite pan washer B M4x12DA 1 0 75 0 05 7 5 0 5 Taptite bind B M4x12 7 0 75 0 05 7 5 0 5 Paper feed drive unit Taptite bind B M4x12 5 0 7 0 1 7 1 Paper...

Page 197: ...1 5 mm dia ball The kind of the lubricating oil Maker name Lubrication point Quantity of lubrication FLOIL BG 10KS Kanto Kasei T1 pick up clutch 1 5 mm dia ball Registration clutch 1 5 mm dia ball BG1 5 BG1 5 BG1 5 T1 pick up clutch Registration clutch ...

Page 198: ...1 5 to 2 0 mm dia ball The kind of the lubricating oil Maker name Lubrication point Quantity of lubrication PERMALUB BAN 5 Nippeco Document separation roller ASSY 1 5 to 2 0 mm dia ball 1 5 to 2 0 1 5 to 2 0 Document separation roller ASSY 4 mm ...

Page 199: ...rdering repair parts refer to the parts reference list Layout view Development view Name of gears These parts are subject to change without notice 1 LY6131 PP gear Z14 51 2 D009RS DX joint gear Z19 3 D009SV DX input gear Z15 1 1 1 2 2 3 3 3 1 2 ...

Page 200: ...nt scanner unit Harness colors may be changed for any reason Second side CIS flat cable First side CIS flat cable Panel flat cable Main PCB ADF ground wire GR ADF sensor harness ASSY YW FB motor harness GY WH BL OR Panel ground wire OR FB ground wire OR First side CIS flat cable ...

Page 201: ...e changed for any reason ADF ground wire GR FB motor harness YW ADF sensor harness GY WH BL OR Panel ground wire BK Second side CIS flat cable First side CIS flat cable Panel flat cable Modem ground wire L YW Modem flat cable Modem unit Modem ground wire R BR Joint cover ASSY ADF unit Document scanner unit ...

Page 202: ...3 11 Confidential 3 ADF unit Harness colors may be changed for any reason Second side CIS flat cable Document scanner unit ADF unit FFC holder ASSY ADF sensor harness ASSY GY WH BL OR ...

Page 203: ...3 12 Confidential 4 Lower document chute Flat core Second side CIS flat cable Lower document chute ...

Page 204: ...3 13 Confidential 5 Panel unit Key flat cable ...

Page 205: ...3 14 Confidential 6 Document scanner unit Harness colors may be changed for any reason Panel ground wire BK Panel flat cable ...

Page 206: ...3 15 Confidential 7 Left side of the machine LED unit NFC PCB Double sided tapes LED control flat cable LED control flat cable NFC flat cable NFC flat cable Main PCB ...

Page 207: ...3 16 Confidential 8 Left side of the machine Modem unit Harness colors are subject to change for some reason Modem flat cable Modem ground wire YW Main PCB ...

Page 208: ...3 17 Confidential 9 Back side of Joint cover ASSY Harness colors are subject to change for some reason Modem ground wire L YW NFC flat cable Modem ground wire R BR Speaker harness BK RD ...

Page 209: ...ure humidity sensor harness WH USB host harness BK WH GR PK GR T1 paper empty paper feed sensor harness WH Manual feed paper empty regist rear regist front sensor harness WH Develop release clutch K harness BL Process motor flat cable Registration clutch T1 pick up clutch HVPS harness WH MP solenoid harness BL MP paper empty sensor harness OR Cartridge sensor harness Y RD BK WH PU Cartridge sensor...

Page 210: ...ltage power supply PCB Fan harness LED ground wire Harness colors are subject to change for some reason HVPS harness WH LED ground wire BR Fan harness BR BK GY Develop release sensor harness WH BL RD High voltage power supply PCB ...

Page 211: ...3 20 Confidential 12 LED unit LED ASSY flat cable Y LED ASSY flat cable K LED ASSY flat cable C LED ASSY flat cable M LED control flat cable LED control PCB ...

Page 212: ...3 21 Confidential 13 High voltage power supply flat cable High voltage power supply flat cable ...

Page 213: ...3 22 Confidential 14 Process drive unit Paper feed motor flat cable ...

Page 214: ...me reason Registration mark sensor L harness RD BK BL YW WH Registration mark sensor R harness RD BK BL YW Eject sensor PCB Registration mark sensor R harness RD BK BL YW Registration mark sensor L harness RD BK BL YW WH Registration mark sensor R PCB Registration mark sensor L PCB Registration mark sensor ASSY ...

Page 215: ...f the machine Harness colors are subject to change for some reason HVPS harness WH T1 paper empty paper feed sensor harness WH Regist rear front sensor harness WH MP registration front sensor harness WH MP paper empty sensor harness OR ...

Page 216: ...7 LVPS Harness colors are subject to change for some reason LVPS heater harness BK YW WH A view B view C view Inlet harness ASSY BL BR LVPS ground wire YW GR Low voltage power supply harness BK YW WH C view B view A view ...

Page 217: ...it H 1 S 14 9 19 NFC PCB H 11 S 1 9 7 Side cover L H 10 S 2 9 11 1 ADF unit H 1 S 1 9 13 Panel unit H 5 S 4 9 13 1 Key PCB Panel PCB Touch panel ASSY LCD H 0 S 11 9 13 2 Panel PCB LCD ASSY H 5 S 0 9 15 Modem flat cable Modem PCB H 0 S 8 9 16 Joint cover ASSY H 4 S 2 9 36 Paper eject ASSY H 0 S 3 9 11 2 Document separation roller ASSY H 3 S 0 9 11 3 ADF separation holder ASSY H 0 S 1 9 11 4 Second ...

Page 218: ... Unplug the AC cord the USB cable if connected the LAN cable if connected the USB flash memory drive if connected and the Line cord if connected 2 Remove the Toner cartridge Drum unit the Belt unit the Waste toner box the Paper tray the LAN port cap and the EXT cap Fig 3 1 LAN port cap Toner cartridge Drum unit Belt unit Waste toner box Paper tray EXT cap ...

Page 219: ...ASSY from the Paper tray 2 Push both side Arms on the T1 separation pad ASSY inwards to remove the Pins and remove the T1 separation pad ASSY from the Paper tray 3 Remove the Separation pad spring from the Paper tray Fig 3 2 T1 separation pad ASSY Paper tray Arm Separation pad spring Hooks Arm Pin Pin ...

Page 220: ...rm L R from the A part Fig 3 3 3 Release the Boss of the Back cover ASSY from the Bush on the Frame L to remove the Back cover ASSY 3a 3b Fig 3 4 Back side Back cover stopper arm R A part Back cover ASSY Back cover stopper arm L A part Back side Back cover ASSY 3a 3b Boss Boss Bush Bush Frame L ...

Page 221: ...ollar 5 to remove the Back cover stopper arm L from the Back cover 5 Remove the Collar 5 to remove the Back cover stopper arm R from the Back cover Fig 3 5 Back cover stopper arm R Back cover stopper arm L Collar 5 Collar 5 Back cover ...

Page 222: ...3 31 Confidential 9 4 Rear flapper sub ASSY 1 Remove the Rear flapper sub ASSY from each Boss Fig 3 6 Boss Boss Rear flapper sub ASSY Back side ...

Page 223: ... L Fig 3 7 Fig 3 8 Assembling Note When attaching the Fuser cover L tighten the screw while pushing the Fuser cover L in the direction of the arrow When the Fuser cover L is attached without pushing it the Boss of the Frame L may come off Fuser cover L Taptite bind B M3x10 Back side Fuser cover L Boss of the Frame L ...

Page 224: ...ver lock lever L R to open the Fuser cover ASSY Fig 3 9 3 Slide the Fuser cover ASSY in the direction of the arrow and remove it to the front Fig 3 10 Back side Fuser cover lock lever L Fuser cover ASSY Fuser cover lock lever R Back side Fuser cover ASSY ...

Page 225: ...emove the Fuser cover R Fig 3 11 5 Disconnect the Center thermistor harness and the Side thermistor harness from the Eject sensor PCB Fig 3 12 Fuser cover R Taptite bind B M3x10 Back side Center thermistor harness Side thermistor harness Eject sensor PCB Back side ...

Page 226: ... of arrow 6b 7 Disconnect the Heater harness of the Fuser unit from the LVPS heater harness Fig 3 13 Assembling Note After connecting the Heater harness pull the Connector on the Heater harness side while holding the Connector on the LVPS heater harness side to make sure it is locked NG OK LVPS heater harness Heater harness Fuser unit Taptite pan washer B M4x12DA Back side 6a 6b ...

Page 227: ...mpact or vibration to the Fuser unit Assembling Note After connecting the Heater harness of the Fuser unit to the LVPS heater harness the Heater harness is housed so that it does not come out of the Frame R LVPS heater harness Heater harness Frame R Back side ...

Page 228: ...3 37 Confidential 9 6 Cord hook 1 Remove the Cord hook Two locations Fig 3 15 Cord hooks Cord hook Back side ...

Page 229: ...ease the Hooks A B C and the Hook D in order of arrow A to C and remove the Side cover L Fig 3 16 Note Release the Hooks D while pushing them by using a flat blade screwdriver or similar tool Top cover Hook A Hooks D Taptite bind B M4x12 Taptite bind B M4x12 Hooks B Hooks C Side cover L C B A Hooks C Back side Manual feed slot or MP cover ASSY ...

Page 230: ...e Hooks A B C and the Hook D in order of arrow A to C and remove the Side cover R Fig 3 17 Note Release the Hooks D while pushing them by using a flat blade screwdriver or similar tool Hook A Hooks D Taptite bind B M4x12 Taptite bind B M4x12 Hooks B Hooks C C B A Side cover R Hook C Back side ...

Page 231: ...3 40 Confidential 9 9 Back cover lower 1 Release each hook to remove the Back cover lower Fig 3 18 Hook Hooks Back cover lower Back side ...

Page 232: ...remove the ADF ground wire the FB ground wire and the Panel ground wire from the Main shield plate Release the Panel ground wire from the securing fixtures Fig 3 19 Harness routing Refer to 1 Left side of the machine ADF unit Document scanner unit Screw cup M3x8 black Main shield cover plate ASSY Screw cup M3x8 black Main shield plate ADF ground wire FB ground wire Panel ground wire ...

Page 233: ... harness the FB ground wire the ADF motor harness and the ADF ground wire from the securing fixtures Fig 3 20 Harness routing Refer to 1 Left side of the machine ADF unit Document scanner unit 5 Remove the FFC holder cover Fig 3 21 Second side CIS flat cable First side CIS flat cable Panel flat cable For touch panel models ADF sensor harness ASSY FB motor harness Main PCB Panel flat cable For non ...

Page 234: ...nt scanner unit approximately 30 degrees to remove it upward Pull out each Flat cable each Harness and each FG ground wire through each Hole of the Top cover Fig 3 22 Harness routing Refer to 1 Left side of the machine ADF unit Document scanner unit 2 Top side of the machine ADF unit Document scanner unit Modem unit Assembling Note If you replaced the Document scanner unit refer to 5 IF YOU REPLAC...

Page 235: ...of the Hinge R Pull out the ADF sensor harness ASSY and the Second side CIS flat cable through each Hole 4 Remove the FFC holder ASSY from the ADF sensor harness ASSY and the Second side CIS flat cable Fig 3 23 Assembling Note If you replaced the ADF unit refer to 5 IF YOU REPLACE THE ADF UNIT FIRST SIDE CIS UNIT SECOND SIDE CIS UNIT OR DOCUMENT SCANNER UNIT in Chapter 4 to configure settings Hing...

Page 236: ...SY L from the ADF unit Fig 3 25 Assembling Note Attach the FFC holder ASSY to the ADF sensor harness ASSY and the Second side CIS flat cable as shown in the figure below FFC holder ASSY ADF sensor harness ASSY Double sided tape Second side CIS flat cable Hinge ASSY L Taptite bind B M4x12 ADF unit ...

Page 237: ...ove the Hinge R support and the Hinge R from the Hinge arm R 7 Remove the three Taptite cup B M3x10 screws to remove the Hinge arm R from the ADF unit Fig 3 26 Hinge R Taptite cup B M3x10 Taptite cup B M3x10 Hinge R support Taptite cup B M3x10 Hinge arm R ADF unit ...

Page 238: ...3 47 Confidential 9 11 2 Document separation roller ASSY 1 Open the ADF cover 2 Release each Hook to remove the Gear cover from the ADF unit Fig 3 27 Hooks ADF cover Gear cover ...

Page 239: ...idential 3 Release the Lock of the Conductive bushing to remove the Document separation roller ASSY from the ADF unit Fig 3 28 Document separation roller ASSY ADF unit Conductive bushing Lock Conductive bushing ...

Page 240: ...onfidential 9 11 3 ADF separation holder ASSY 1 Remove the Taptite cup B M3x10 screw to remove the ADF separation holder ASSY from the ADF unit Fig 3 29 ADF separation holder ASSY ADF unit Taptite cup B M3x10 ...

Page 241: ...ite bind B M3x10 screws Release each Hook to remove the ADF front cover from the ADF unit 2 Remove the six Taptite cup B M3x10 screws to remove the Upper document chute from the ADF unit Fig 3 30 Upper document chute ADF unit Taptite cup B M3x10 Taptite cup B M3x10 ADF front cover Taptite bind B M3x10 Taptite bind B M3x10 Hook Hooks ...

Page 242: ...h the Hole of the Document cover 5 Remove the Lower document chute from the Document cover and pull out the Second side CIS flat cable through the Hole of the Document cover Fig 3 31 Harness routing Refer to 3 ADF unit Lower document chute Document cover Ground spring Taptite cup S M3x6 SR ADF ground wire ADF sensor harness ASSY Second side CIS flat cable Hole Hole ...

Page 243: ...econd side scanner glass strip in the direction of arrow 7a Lift the left end of the Second side scanner glass strip to remove it in the direction of arrow 7b Fig 3 32 Harness routing Refer to 4 Lower document chute Second side scanner glass strip Hook Second side CIS flat cable Lower document chute Bottom side 7b 7a ...

Page 244: ...rom the Second side CIS unit Fig 3 33 10 Pull out the Second side CIS flat cable through the Hole and the Flat core to remove it from the Lower document chute Fig 3 34 Harness routing Refer to 4 Lower document chute Lower document chute CIS spacer CIS spacer Second side CIS unit Second side CIS flat cable Bottom side Lower document chute Hole Second side CIS flat cable Flat core Top side ...

Page 245: ...old the Second side CIS flat cable at the positions described below Mountain fold ADF CIS side Main PCB side Conductor 45 45 45 Sponge 0 5 to 2 96 24 24 110 293 451 8 1 40 1 0 5 to 2 51 1 15 1 52 1 427 1 1 4 1 67 1 173 1 203 1 16 1 45 Valley fold ...

Page 246: ...from the Lower document chute 3 Rotate the Document scanning position actuator in the direction of the arrow Push the Hook of the Lower document chute to remove the Document scanning position sensor PCB from the Lower document chute Disconnect the ADF sensor harness ASSY from the Document scanning position sensor PCB Fig 3 36 Document feed roller 1 Lower document chute The lock of Conductive bushi...

Page 247: ...fidential 9 12 Document cover ASSY For models without ADF 1 Remove the Hook of the Hinge L and the Hook of the Hinge R to remove the Document cover ASSY upward Fig 3 37 Document cover ASSY Hooks Hinge L Hinge R ...

Page 248: ...rm L and the Hinge L from the Document cover ASSY 3 Remove the three Taptite bind B M4x12 screws to remove the Hinge arm R and the Hinge R from the Document cover ASSY Fig 3 38 Taptite bind B M4x12 Taptite bind B M4x12 Hinge arm R Hinge arm L Document cover ASSY Hinge L Hinge R Back side ...

Page 249: ...hen removing the Panel unit DO NOT pull the Panel unit strongly because it is connected to the Panel flat cable Assembling Note If you replaced the Panel unit refer to 4 IF YOU REPLACE THE LCD PANEL UNIT OR PANEL PCB in Chapter 4 to configure settings Panel unit Taptite cup B M3x10 Hooks Hooks Panel flat cable Panel flat cable Panel PCB Touch panel models Panel PCB Non touch panel models ...

Page 250: ...r M3x12DB screws to remove the Shield cover from the Panel unit 5 Release the Lock to disconnect the LCD flat cable from the Panel PCB Disconnect the Touch panel flat cable from the Panel PCB to remove the Panel PCB from the Panel unit 6 Remove the Protective sheet from the Double sided tape to remove it from the Panel unit Fig 3 40 Harness routing Refer to 5 Panel unit Taptite cup B M3x10 Screw p...

Page 251: ...m from the Panel unit 10 Remove the Key holder ASSY from the Panel unit 11 Remove the Touch panel ASSY from the Panel unit Fig 3 41 Assembling Note If you replaced the Touch panel ASSY refer to 4 IF YOU REPLACE THE LCD PANEL UNIT OR PANEL PCB in Chapter 4 to configure settings Screw pan S P washer M3x12DB Touch panel ASSY Shield plate Panel unit LCD LCD blind film Key holder ASSY ...

Page 252: ... Lock to disconnect the LCD flat cable from the Panel PCB 3 Remove the Rubber key L and the Rubber key R from the Panel unit Fig 3 42 Assembling Note Make sure that the Positioning pins are inserted to the Rubber key L R Hook Panel PCB Panel unit Hooks Rubber key L Rubber key R LCD flat cable Positioning pins Positioning pins Positioning pins Lock ...

Page 253: ...62 Confidential 4 Release each Hook to remove the LCD ASSY from the Panel unit 5 Release each Hook to remove the Panel cover from the Panel unit Fig 3 43 Panel unit Hooks LCD ASSY Panel cover Hooks Hooks ...

Page 254: ...crews to remove the Document scanner top cover from the Document scanner bottom cover ASSY 3 Release the Panel flat cable from the securing fixtures to remove the Panel flat cable from the Document scanner bottom cover ASSY Fig 3 44 Harness routing Refer to 6 Document scanner unit Note Disassemble in a dust free location Taptite cup B M3x10 Dress cover Document scanner top cover Taptite bind B M4x...

Page 255: ...orcing plate Main PCB side Touch panel model Non touch panel model Panel PCB side Panel PCB side 45 45 45 45 45 45 45 45 45 45 45 80 568 535 80 8 1 67 1 5 1 135 1 37 1 109 1 195 1 472 1 521 1 542 1 6 1 231 1 12 1 10 1 15 1 40 1 60 1 99 1 201 1 12 1 0 5 to 2 232 1 21 1 47 1 65 1 101 1 184 1 509 1 554 1 576 1 205 1 0 5 to 2 0 to 1 5 Valley fold Sponge Sponge ...

Page 256: ...irst side CIS unit Fig 3 46 Assembling Note If you replaced the First side CIS unit refer to 5 IF YOU REPLACE THE ADF UNIT FIRST SIDE CIS UNIT SECOND SIDE CIS UNIT OR DOCUMENT SCANNER UNIT in Chapter 4 to configure settings Assembling Note Acquire the white level data and set the CIS scanning area Refer to 1 3 17 Acquire white level data and set CIS scan area Function code 55 in Chapter 5 First si...

Page 257: ...ve the First side CIS flat cable from the Document scanner bottom cover ASSY Fig 3 47 Note Be sure to replace the Double sided tape with a new one after taking off the Double sided tape from the CIS carriage First side CIS flat cable CIS carriage Double sided tape Document scanner bottom cover ASSY ...

Page 258: ...IS flat cable as shown the figure below Fig 3 48 Mountain fold Main PCB side Reinforcing plate FB CIS side 45 45 45 45 5 10 1 31 5 1 237 1 145 1 21 1 4 1 16 1 61 1 73 1 76 1 176 1 243 1 2 1 454 5 72 Valley fold 0 to 1 5 Sponge Sponge Flat core CIS FFC film 178 1 0 ...

Page 259: ...n in the figure below If the old Double sided tape remains attached replace it with a new one 4 Connect the First side CIS flat cable to the First side CIS unit 5 Attach the First side CIS unit to the CIS carriage 6 Peel the release liner of the Double sided tape attached to the CIS carriage and secure the First side CIS flat cable with the tape as shown in the figure below Fig 3 50 Double sided t...

Page 260: ...liners of the two pieces of Double sided tape attached to the Document scanner bottom cover ASSY and secure the First side CIS flat cable with the tapes as shown in the figure below Fig 3 51 Flat core First side CIS flat cable Double sided tape Document scanner bottom cover ASSY Double sided tape ...

Page 261: ...e two Taptite bind B M4x12 screws to remove the Modem plate from the Joint cover ASSY Disconnect the Modem flat cable from the Modem PCB 4 Remove the Screw cup M3x8 black screw to remove the Modem shield cover from the Modem plate 5 Remove the three Screw cup M3x8 black screws to remove the Modem PCB from the Modem plate Fig 3 53 Modem flat cable Main PCB Taptite bind B M4x12 Joint cover ASSY Tapt...

Page 262: ...er B M4x12DA screw to remove the LED ground wire Pull out the LED ground wire through the Hole of the Side frame R 3 Release each Hook to remove the Arm R from the Joint cover ASSY Fig 3 54 Joint cover ASSY LED ground wire Taptite pan washer B M4x12DA Arm R Hooks Right side Hole of the Side frame R ...

Page 263: ...tape on the FFC guide and then release it from the securing fixtures 7 Disconnect the NFC flat cable from the Main PCB Release each Hook to remove the Flat core Remove the NFC flat cable from the Double sided tape to release it from the securing fixtures Fig 3 56 Harness routing Refer to 7 Left side of the machine LED unit NFC PCB 8 Left side of the machine Modem unit 10 Main PCB Cartridge sensor ...

Page 264: ...m L from the Arm guide L 9 Remove the Joint arm R from the Arm guide R 10 Open the Joint cover ASSY approximately 90 degrees to remove it upward Fig 3 57 Joint arm R Joint arm R Arm guide R Joint cover ASSY Approx 90 Arm guide L Joint arm L ...

Page 265: ...3 74 Confidential 9 17 LED unit 1 Remove the eight Taptite bind B M4x12 screws to remove the Open button cover from the Joint cover ASSY Fig 3 58 Joint cover ASSY Taptite bind B M4x12 Open button cover ...

Page 266: ... Taptite bind B M4x12 screws Release the Hook to remove the LED unit from the Joint cover ASSY Release the NFC flat cable and the Modem ground wire R from the securing fixtures Fig 3 59 Harness routing Refer to 7 Left side of the machine LED unit NFC PCB 9 Back side of Joint cover ASSY Modem ground wire R Taptite bind B M4x12 LED unit Joint cover ASSY Hook Taptite cup S M3x8 SR NFC flat cable Push...

Page 267: ...rews to remove the Joint side cover R from the Joint cover ASSY 3 Remove the Speaker spring to remove the Speaker unit from the Joint side cover R Fig 3 60 Harness routing Refer to 9 Back side of Joint cover ASSY Speaker harness Taptite bind B M4x12 Taptite bind B M4x12 Joint side cover R Joint cover ASSY Speaker spring Speaker unit ...

Page 268: ...ove the Taptite bind B M4x12 screw Release the Hook A and the Hooks B and C in this order to remove the Joint side cover L from the Joint cover ASSY Fig 3 61 Taptite bind B M4x12 Joint cover ASSY Joint side cover L Hooks C Hook A Hooks B ...

Page 269: ...over from the Joint cover ASSY 4 Release the Hook to remove the NFC PCB from the Front joint cover 5 Remove the two Taptite bind B M4x12 screws to remove the Joint back cover from the Joint cover ASSY Fig 3 62 Harness routing Refer to 9 Back side of Joint cover ASSY Joint cover ASSY Front joint cover NFC PCB Hooks Hook Hook NFC flat cable Joint back cover Taptite bind B M4x12 ...

Page 270: ...trol PCB 1 Remove the three Screw cup M3x8 SR screws to remove the LED PCB shield plate Fig 3 63 Note When disassembling assembling the LED unit attach it to the machine to prevent breakage of the LED ASSYs LED unit LED PCB shield plate Screw cup M3x8 SR ...

Page 271: ...ase each LED ASSY flat cable from the securing fixtures 4 Remove the two Screw cup M3x8 SR screws to remove the LED control PCB and the LED PCB insulation sheet from the LED unit 5 Remove the LED unit from the machine Fig 3 64 Harness routing Refer to 12 LED unit Note Remove the LED ASSY flat cable K from the Double sided tape LED ASSY flat cable M LED ASSY flat cable Y LED control flat cable LED ...

Page 272: ... Fold the LED control flat cable at the positions described below Mountain fold Main PCB side LED control PCB side 45 45 45 45 45 86 1 136 1 15 1 82 1 19 1 2 1 123 1 4 1 31 1 1 1 Valley fold Reinforcing plate Reinforcing plate Double sided tape ...

Page 273: ...t and then assemble the Hook B of the Holder hook After assembling make sure to check that the Hook A is firmly engaged to the LED ASSY If the Holder hook is not engaged firmly it might cause an image failure Note The LED ASSY flat cable K does not pass through the Flat core Assembling Note When assembling the LED ASSY insert the two Springs A into each Boss of the LED ASSY and insert the tip end ...

Page 274: ... LED parts of the LED ASSY for replacement are covered with protection tapes Make sure not to remove the protection tapes until assembling of the LED ASSY is completed After it is assembled make sure to remove the protection tapes If the LED parts get smeared make sure to wipe smears on the LED parts with a clean and soft cloth LED ASSY LED ASSY flat cable Lock FFC cover Hooks Hook ...

Page 275: ...fold LED ASSY side Conductor Conductor LED ASSY flat cable Y LED ASSY flat cable M LED ASSY flat cable C LED ASSY flat cable K LED control PCB side Valley fold 21 2 17 2 44 2 33 2 38 5 2 21 2 17 2 44 2 37 2 61 2 21 2 17 2 48 2 45 2 55 2 21 2 17 2 5 2 48 2 40 2 39 2 45 45 45 45 45 45 45 45 45 45 45 45 4 1 4 1 4 1 4 1 ...

Page 276: ...st PCB Only for MP models 1 Open the MP cover ASSY 2 Release each Boss of the MP paper guide ASSY from each Rib of the MP cover ASSY Pull the MP paper guide ASSY to remove it in the direction of the arrow Fig 3 69 Boss Boss MP paper guide ASSY MP cover ASSY Rib Rib ...

Page 277: ...the MP damper spring from the MP cover ASSY 4 Release the Boss on the left side of the MP cover ASSY and remove the MP cover ASSY in the direction of the arrow Fig 3 70 MP damper spring MP damper spring Hook part MP cover ASSY Boss MP cover ASSY ...

Page 278: ...P maintenance cover from the Inner front cover 7 Disconnect the USB host harness from the USB host PCB 8 Remove the Taptite pan washer B M4x12DA screw and the two Taptite bind B M4x12 screws Release each Hook to remove the Inner front cover Fig 3 72 Main PCB USB host harness Taptite pan B M4x14 MP maintenance cover Inner front cover Taptite pan washer B M4x12DA USB host PCB Hook Hook USB host harn...

Page 279: ... screws to remove the USB holder ASSY from the Inner front cover 10 Remove the two Screw pan S P washer M3x12DB screws to remove the USB host PCB and the USB ground plate from the USB holder ASSY Fig 3 73 Taptite bind B M3x10 USB ground plate Screw pan S P washer M3x12DB USB holder ASSY Boss USB host PCB Inner front cover ...

Page 280: ... Release the Hook and slide the MP holder bushing in the direction of arrow 1a 2 Slide the MP roller holder ASSY in the direction of arrow 2b and rotate it in the direction of arrow 2c to remove it upward Fig 3 74 MP roller holder ASSY MP holder bushing Hook 1a 2b 2c ...

Page 281: ...idential 3 Remove each hook and turn the MP separation pad ASSY upright to remove it upward 4 Remove the MP separation pad spring from each Pin Fig 3 75 MP separation pad spring Hooks MP separation pad ASSY Pins ...

Page 282: ... 10 Main PCB Cartridge sensor relay PCB 2 Remove the two Taptite bind B M4x12 black screws Release each Hook to remove the T1 paper feed guide from the MP unit 3 Remove the four Taptite bind B M4x12 screws Release each Hook to remove the MP unit Fig 3 77 Main PCB MP registration sensor harness MP paper empty sensor harness MP solenoid harness Taptite bind B M4x12 black MP unit T1 paper feed guide ...

Page 283: ... the USB host harness from the Main PCB and release it from the securing fixtures 2 Disconnect the USB host harness from the USB host PCB Fig 3 78 3 Release each Hook to remove the Inner front cover from each Boss of the machine Fig 3 79 Main PCB USB host harness Hook Inner front cover Hook Boss Boss ...

Page 284: ...B M3x10 screws to remove the USB holder ASSY from the Inner front cover 6 Remove the two Screw pan S P washer M3x12DB screws to remove the USB ground plate and the USB host PCB from the USB holder ASSY Fig 3 81 Inner front cover Boss Boss Manual feed cover ASSY Inner front cover Taptite bind B M3x10 USB holder ASSY USB host PCB Screw pan S P washer M3x12DB USB ground plate ...

Page 285: ...ly PCB Develop release sensor PCB 1 Release the Hook to slide the HVPS FFC cover in the direction of arrow A and release each Rib to remove the HVPS FFC cover in the direction of arrow B Fig 3 82 HVPS FFC cover B A Rib HVPS FFC cover Rib Hook Hook ...

Page 286: ... Taptite cup S M3x8 SR screw to remove the HVPS ground plate front 4 Remove the Taptite pan washer B M4x12DA to remove the HVPS ground plate rear Fig 3 83 HVPS ground plate front Taptite cup S M3x8 SR Taptite pan washer B M4x12DA HVPS ground plate rear HVPS chips Taptite pan washer B M4x12DA HVPS chips ...

Page 287: ...n harness LED ground wire Assembling Note After attaching the High voltage power supply PCB check whether the Electrodes inside the machine are not dropping or not get caught by pushing the Electrodes inside the machine When connecting the High voltage power supply flat cable pull out the High voltage power supply flat cable from the machine and then connect it to the High voltage power supply PCB...

Page 288: ...ures Release each Hook to remove the Fan Fig 3 85 Harness routing Refer to 11 High voltage power supply PCB Fan harness LED ground wire Assembling Note When assembling the Fan be sure to assemble it in a way that the Label side faces out Hooks Fan Fan harness Right side Label ...

Page 289: ...nfidential 9 28 WLAN PCB 1 Release each Hook to remove the WLAN cap from the Line holder upper 2 Disconnect the WLAN PCB from the Main PCB Fig 3 86 Hooks Hook Hook Line holder upper WLAN PCB WLAN cap Main PCB ...

Page 290: ... Main PCB Eject sensor harness Low voltage power supply harness High voltage power supply flat cable Paper feed motor flat cable External temperature humidity sensor harness T1 paper empty paper feed sensor harness Develop release clutch K harness Manual feed paper empty regist rear regist front sensor harness Process motor flat cable HVPS harness Duplex clutch harness Registration clutch harness ...

Page 291: ...ree Screw cup M3x8 black screws to remove the Main PCB from the Process drive plate 3 Remove the Main PCB insulation sheet from the Process drive plate Fig 3 88 Main PCB insulation sheet Process drive plate Main PCB Screw cup M3x8 black ...

Page 292: ...ensor relay PCB 3 Remove the Screw cup M3x8 black screw Release the Hook to remove the Cartridge sensor relay PCB from the Line holder upper Fig 3 89 Harness routing Refer to 10 Main PCB Cartridge sensor relay PCB Line holder upper Hook Cartridge sensor relay PCB Screw cup M3x8 black Cartridge sensor relay flat cable Cartridge sensor relay PCB Cartridge sensor relay flat cable Cartridge sensor har...

Page 293: ... feed sensor harness and the Manual feed paper empty regist rear regist front sensor harness from the Line holder upper 2 Release each Hook to remove the Line holder upper in the direction of the arrow Fig 3 90 Harness routing Refer to 10 Main PCB Cartridge sensor relay PCB Line holder upper Hooks Hook Back cover sensor harness External temperature humidity sensor harness T1 paper empty paper feed...

Page 294: ...d the Paper feed motor flat cable through each Flat core on the Line holder lower Fig 3 91 Harness routing Refer to 10 Main PCB Cartridge sensor relay PCB Assembling Note When wiring the Duplex clutch harness make sure that the clutch connection part of the Duplex clutch harness does not stretch by pulling too much Hook Line holder lower Process motor flat cable Paper feed motor flat cable HVPS ha...

Page 295: ... cup S M3x8 SR screw Release the Hook to remove the DEV clutch cover Remove the DEV release drive gear Z33 and the Develop release clutch Fig 3 92 DEV release drive gear Z33 Develop release clutch Taptite cup S M3x8 SR DEV clutch cover Hook ...

Page 296: ...ps Align the end of the DEV clutch cam with the reference line of the DEV cam cover and then attach the DEV release drive gear Z33 If you neglect to do this the error code 6E00 occurs DEV release drive gear Z33 Damper L ASSY DEV clutch cam Reference line of DEV cam cover Left side DEV release gear Z34 The shaft part in the center ...

Page 297: ...m the Process motor Fig 3 94 Harness routing Refer to 10 Main PCB Cartridge sensor relay PCB 13 High voltage power supply flat cable Assembling Note When attaching the Process drive unit tighten the Taptite bind B M4x12 B screw first Taptite cup S M3x8 SR Taptite cup S M3x8 SR Process drive unit Process motor flat cable Taptite cup S M3x8 SR Taptite cup S M3x8 SR Taptite bind B M4x12 A Taptite pan...

Page 298: ...te Fold the High voltage power supply flat cable at the positions described below Mountain fold 45 45 45 45 45 45 75 1 132 1 172 1 26 1 41 1 75 1 196 1 265 1 107 1 337 1 300 1 445 1 Valley fold Main PCB side High voltage power supply PCB side ...

Page 299: ... Fuser unit was attached on the machine remove the Fuser unit once refer to 9 5 Fuser cover ASSY Fuser unit and reattach it after attaching the Process drive unit The Conductive leaf spring of the Fuser unit may be deformed by the Calking shaft Fuser unit Conductive leaf spring Calking shaft ...

Page 300: ... FFC holder Release the Paper feed motor flat cable from the securing fixtures Release the Lock to disconnect the Paper feed motor flat cable from the Paper feed motor Fig 3 97 Harness routing Refer to 14 Process drive unit Paper feed motor Hook Hook Fuser drive gear Z25 Paper feed motor FFC holder Process drive unit Paper feed motor flat cable Lock ...

Page 301: ... Confidential Fig 3 98 Assembling Note Fold the Paper feed motor flat cable at the positions described below Mountain fold 45 45 45 Valley fold Main PCB side Paper feed motor side 15 2 42 2 79 2 103 2 129 2 ...

Page 302: ...hen rotate it in the direction of the arrow to pull out the PF regi drive joint Remove the Regi joint bearing from the PF regi drive joint 5 Release the Hook to remove the PF bearing 5 Pull out the Feed roller drive shaft Fig 3 99 Harness routing Refer to 10 Main PCB Cartridge sensor relay PCB Assembling Note When wiring the T1 pick up clutch harness and the Registration clutch harness make sure t...

Page 303: ...ve the Paper feed drive unit 7 Release the hook to remove the External temperature humidity sensor PCB from the Paper feed drive unit Fig 3 100 Paper feed drive unit Taptite bind B M4x12 Taptite bind B M4x12 Taptite bind B M4x12 Hook External temperature humidity sensor PCB ...

Page 304: ...ct sensor harness from the securing fixtures Release the Hook to remove the Eject sensor PCB Disconnect the Eject sensor harness from the Eject sensor PCB Fig 3 101 Harness routing Refer to 15 Registration mark sensor ASSY Eject sensor PCB Hook Eject sensor PCB Hook Eject sensor PCB Eject sensor harness Registration mark sensor L harness Registration mark sensor R harness Internal temperature sens...

Page 305: ...to release the Boss Slide the Roller holder ASSY in the direction of arrow B to remove it from the Shaft and remove the Roller holder ASSY from the machine Fig 3 102 Note When turning the machine upside down make sure to lay down the Damper L R ASSY to prevent breakage of the Damper L R ASSY Boss Roller holder ASSY Shaft Lift arm A B Bottom side Front side ...

Page 306: ...3 115 Confidential 9 35 Paper feed unit 1 Remove the Lift arm from the Boss while bending it in the direction of arrow 1a to slide the Lift arm in the direction of arrow 1b Fig 3 103 Lift arm Boss 1a 1b ...

Page 307: ...pty regist rear regist front sensor harness from the Hook A 5 Remove the four Taptite bind B M4x12 screws to remove the Paper feed unit Fig 3 104 Harness routing Refer to 16 Front side of the machine Paper feed unit Hook A HVPS harness Taptite bind B M4x12 Taptite bind B M4x12 Hook B T1 paper empty paper feed sensor harness Manual feed paper empty regist rear regist front sensor harness ...

Page 308: ...haft 3 Remove the three Taptite bind B M4x12 screws As shown in the figure use a screwdriver to release the Boss on the right side of the Paper eject ASSY and then remove the Paper eject ASSY Fig 3 105 Taptite bind B M4x12 Taptite bind B M4x12 Taptite bind B M4x12 Paper eject ASSY Boss Paper eject ASSY Boss Arm R Approx 135 Back side Eject gear shaft ...

Page 309: ...Fig 3 106 Note When turning the machine upside down make sure to lay down the Damper L R ASSY to prevent breakage of the Damper L R ASSY Assembling Note When assembling the Duplex tray engage the two B parts with the two grooves of the machine and slide the Duplex tray in the direction of arrow c and then insert the C part into the groove of the DX side chute Grooves Taptite bind B M4x12 B parts D...

Page 310: ...ve the Cover plate 3 Open the two Ribs outward to remove the Wire cap Fig 3 107 WARINING When removing the Low voltage power supply PCB do not touch it within 3 minutes after disconnecting the AC cord as it may cause an electric shock due to the electric charge accumulated in the capacitor Taptite pan washer B M4x12DA Taptite cup S M3x8 SR Taptite bind B M4x12 Wire cover Rib Rib Taptite bind B M4x...

Page 311: ...he four Taptite pan washer B M4x12DA screws and the two Taptite cup S M3x8 SR screws from the LVPS plate lower ASSY Fig 3 108 Harness routing Refer to 17 LVPS Assembling Note For safety purposes follow the figure above to attach the Washer spring 2 4 and the Washer 5 and secure them with the screw properly Taptite pan washer B M4x12DA LVPS heater harness Inlet Inlet harness ASSY Screw pan M4x8 Was...

Page 312: ... 8 Release the Low voltage power supply harness from the securing fixtures 9 Remove the LVPS plate lower ASSY Fig 3 109 Harness routing Refer to 17 LVPS LVPS plate lower ASSY Low voltage power supply harness Bottom side ...

Page 313: ...upply PCB 11 Remove the three Taptite cup S M3x6 SR screws to remove the Low voltage power supply PCB and the LVPS insulation sheet from the LVPS plate lower ASSY Fig 3 110 LVPS plate lower ASSY Low voltage power supply harness Taptite cup S M3x6 SR Low voltage power supply PCB LVPS insulation sheet ...

Page 314: ... Release the Hook and then remove the REGI stopper from the Registration mark sensor ASSY in the direction of the arrow 4 Remove the Taptite bind S M3x5 screw to remove the Registration mark sensor ASSY Fig 3 111 Harness routing Refer to 15 Registration mark sensor ASSY Eject sensor PCB Registration mark sensor ASSY Hook Registration mark sensor R harness Taptite bind S M3x5 REGI stopper Registrat...

Page 315: ...egistration mark sensor ASSY 7 Release the Registration mark sensor R harness from the securing fixtures Slide the Registration mark sensor R PCB in the direction of the arrow while pushing the Boss to remove it from the Registration mark sensor ASSY Fig 3 112 Harness routing Refer to 15 Registration mark sensor ASSY Eject sensor PCB Registration mark sensor L harness Registration sensor film Regi...

Page 316: ...3 Create a temporary folder on the C drive of the computer Windows XP or later 4 Service setting tool SvSettingTool Only when setting the Serial Number using computer Copy it into the temporary folder that has been created in the C drive 5 Download utility Filedg32 exe Only when installing the firmware using computer Copy it into the temporary folder that has been created in the C drive 6 Maintena...

Page 317: ...e in this chapter How to check firmware version 1 Press and hold the for approximately five seconds while the machine is in the ready state 2 Press the blank field at the bottom 3 Press the 2 8 6 and 4 on the LCD in this order and the machine enters into maintenance mode 4 Press the 2 and then the 5 in the initial state of maintenance mode Then the Main firmware version information is displayed on...

Page 318: ...the LCD to start installing 5 When installation is completed the machine automatically restarts 6 Repeat the procedures 3 to 5 to install necessary firmware 7 When all firmware installation has been completed remove the USB flash memory from the USB direct interface Memo Firmware installation using USB flash memory is inoperable when the machine is in deep sleep mode Release the deep sleep mode by...

Page 319: ...ble and enter the maintenance mode Refer to 1 1 How to Enter Maintenance Mode in Chapter 5 2 Connect the computer to the machine with the USB cable 3 Open the temporary folder double click the Filedg32 exe to start and select Brother Maintenance USB Printer 4 Drag and drop a necessary program file ex _A djf located in the same folder to the Brother Maintenance USB Printer icon located within the F...

Page 320: ...e with 1 3 17 Acquire white level data and set CIS scan area Function code 55 in Chapter 5 1 7 Setting the Serial Number Function code 80 Operating procedure 1 Press the 8 and then the 0 in the initial state of maintenance mode MACERR_01 is displayed on the LCD 2 Press the Start or Mono Start several times until USB is displayed on the LCD 3 Press the 9 4 7 and 5 in this order to enter the edit mo...

Page 321: ...ormation screen shown on the right appears 9 Click the Serial No in the box F Set Serial No screen appears 10 Enter the serial number 15 digits of the machine in the box G and click the Set shown as H Set and entered value appear on the Serial No line in the box F indicates the serial number entered 11 Click the OK shown as J The Execute Setting screen shown on the right appears and the serial num...

Page 322: ...al field is same as the value entered in the procedure 10 17 Click the Cancel shown as N and close the Get Information screen 18 Turn OFF the power switch of the machine and disconnect the USB cable from the machine and computer Memo You can check the serial number you entered even if function code 80 is executed Refer to 1 3 32 Display machine log information Function code 80 Memo Refer to APPEND...

Page 323: ...f Density and Registration Sensor Function code 73 What you need to prepare None 2 1 Continuous Adjustments of Density and Registration Sensor Function code 73 Perform continuous adjustments of density and registration sensor in accordance with 1 3 27 Continuous adjustments of density registration sensor Function code 73 in Chapter 5 ...

Page 324: ...set counters for consumable parts Function code 88 What you need to prepare None 3 1 Resetting Irregular Power Supply Counter of the Low voltage Power Supply PCB Reset counters for consumable parts Function code 88 Refer to 1 3 36 Reset counters for consumable parts Function code 88 in Chapter 5 to reset the irregular power supply counter of the low voltage power supply PCB ...

Page 325: ...g LCD Operation Function code 12 What you need to prepare 1 Touch pen 4 1 Adjusting Touch Panel Function code 61 Touch panel models only Adjust the touch panel as described in 1 3 19 Adjust touch panel Function code 61 in Chapter 5 4 2 Checking LCD Operation Function code 12 Check LCD operation as described in 1 3 6 Check LCD operation Function code 12 in Chapter 5 ...

Page 326: ...1 Acquisition of White Level Data Function code 55 Perform acquisition of white level data in accordance with 1 3 17 Acquire white level data and set CIS scan area Function code 55 in Chapter 5 5 2 Scanning and Printing Check Scan the proper document on the scanner glass and the ADF unit and check if there is any problem on the printed image Check if there is any problem on the document scanner un...

Page 327: ...it Reset counters for consumable parts Function code 88 What you need to prepare None 6 1 Resetting Printed Pages Counter of the Fuser Unit Reset counters for consumable parts Function code 88 Refer to 1 3 36 Reset counters for consumable parts Function code 88 in Chapter 5 to reset the printed pages counter of the fuser unit ...

Page 328: ...t counters for consumable parts Function code 88 What you need to prepare None 7 1 Resetting Printed Pages Counter of a PF Kit Reset counters for consumable parts Function code 88 Refer to 1 3 36 Reset counters for consumable parts Function code 88 in Chapter 5 to reset the printed pages counter of the appropriate PF kit ...

Page 329: ...lay shown on the right appears on the LCD 3 Press the 2 8 6 and 4 in this order The display shown on the right appears on the LCD and the machine enters into maintenance mode 4 To select any of the maintenance mode functions shown in the 1 2 List of Maintenance Mode Functions use the keypad to enter the maintenance mode function code to be executed For models without touch panel 1 Press the Menu a...

Page 330: ...t appears on the LCD 3 Press the 0 and on the LCD in this order and 0 is displayed on the LCD The machine enters into ready state to accept function code entry so press the function code you want to execute 4 Each time the selected maintenance mode function is completed the machine returns to the ready state automatically For models without touch panel 1 Press the Menu Start and Menu in this order...

Page 331: ...of drum Switching of black toner discharge compensation 1 3 13 5 24 46 Adjust printable range for each speed level 1 3 14 5 33 53 Transfer received fax data log information fax models only 1 3 15 5 35 54 Fine tune scanning position 1 3 16 5 37 55 Acquire white level data and set CIS scan area 1 3 17 5 38 57 Check consumables function 1 3 18 5 39 61 Adjust touch panel 1 3 19 5 46 66 Adjustment of c...

Page 332: ...E 01 or MAINTENANCE 91 as needed on the LCD and press the OK SELECT 01 or SELECT 91 is displayed on the LCD 2 Press the Mono Start or OK PARAMETER INIT is displayed on the LCD 3 When initializing parameters is completed the machine returns to the initial state of maintenance mode Data item 01 91 Printer switch Counter information Areas not to be initialized Areas not to be initialized Error histor...

Page 333: ...NABLE the shipping state cannot be switched to ON Originally during product manufacturing this function switches whether to enable or disable the menu function displayed by the special function at start up and it is invalid FUNC_DISABLE when the users use the machine Operating Procedure 1 For models with touch panel Press the 0 and then the 3 in the initial state of maintenance mode 1 SWSUM is dis...

Page 334: ...ce mode When OFF Change OK is displayed on the LCD press the SET The machine will transfer to the shipping state and returns to the initial state of the maintenance mode 1 3 3 ADF performance test Function code 08 Function This function is used to test the performance of the automatic document feeder ADF The scanned pages of the documents fed by the ADF are counted and the result is displayed on t...

Page 335: ...s printing the monochrome print quality test pattern refer to the figure below For models without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 09 on the LCD and press the OK MAINTENANCE 09 is displayed on the LCD and the machine starts printing the monochrome print quality test pattern refer to the figure below 2 When printing is completed the machine re...

Page 336: ...SW10 Protocol definition 2 WSW44 Speeding up scanning 1 WSW11 Busy tone setting WSW45 Function setting WSW12 Signal detection condition setting WSW46 PC power monitoring and parallel port settings WSW13 Modem setting WSW14 AUTO ANS facility setting WSW47 Switching between high and full speed USB WSW15 Redial facility setting WSW16 Function setting WSW48 USB setup latency WSW17 Function setting WSW...

Page 337: ...d WSW88 Detection of the threshold of remaining T1 amount WSW72 Change of the setting is prohibited WSW73 Change of the setting is prohibited WSW89 Change of the setting is prohibited WSW74 Low power mode WSW90 Detection of the threshold of remaining T2 amount WSW75 Change of the setting is prohibited WSW76 Function setting WSW91 Change of the setting is prohibited WSW92 Change of the setting is p...

Page 338: ...e setting by pressing the 1 or 0 For models without touch panel Pressing the enters 1 and pressing the enters 0 Press the button of the number that you want to enter to Selector No 1 The underline cursor moves to the next digit Use the or to keep entering numbers until the Selector No 8 is entered in the procedures from 2 to 5 4 When changing the setting is completed press the SET or OK The new se...

Page 339: ...el Press the 1 twice in the initial state of maintenance mode For models without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 11 on the LCD and press the OK 2 PRINTING is displayed on the LCD and printing the CONFIGURATION LIST refer to the figure below starts 3 When printing is completed the machine returns to the initial state of maintenance mode Fig 5...

Page 340: ... the Display B 7 of the each column LCD returns to display B 1 Press the to return to the last LCD display 3 When you press the X or Stop at the Display A 7 or B 1 to 7 the machine returns to the initial state of the maintenance mode Fig 5 3 Note At Display A 7 you cannot switch the display to column B even press the Display A 1 all white Display B 1 bright point down point Display A 2 all black D...

Page 341: ...f maintenance mode Fig 5 4 Non China model China model Display 5 Display 4 Displays all dots Displays 16 frames in a line Displays no dots Displays Lattice Display 1 Back light ON Displays C Display 6 Displays no dots Display 2 Display 3 Back light ON Back light ON Back light ON Back light ON Back light OFF Display 5 Display 4 Displays all dots Displays 16 frames in a line Displays no dots Display...

Page 342: ...ers provided in the figure below Each time the key is pressed the corresponding figure is displayed on the LCD in decimal notation Check that the number displayed on the LCD matches the number assigned to the key that has been pressed If the keys are pressed in the incorrect order INVALID OPERATE is displayed on the LCD Press the X or Stop and try again with the correct key 3 When the key operatio...

Page 343: ...host terminal 3 Press the SET SAVE TO USB is displayed on the LCD 4 Press the SET USB SAVING is displayed on the LCD and NetConfig folder is created in the USB flash memory NetConfig information is saved as CFG PAGE_ txt in the folder and returns to the initial state of maintenance mode in the file name is the number of NetConfig information appearance in the folder If there are no NetConfig infor...

Page 344: ...be checked with this function This function checks if the two types of check sum information match each other When the SET or OK is pressed while ROM Check Sum is displayed check is automatically conducted for each ROM of each software part When the check sum matches 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 th...

Page 345: ...r cartridge or create paper jam at the exit 4 Press the X or Stop and the machine returns to the initial state of maintenance mode Sensor check The table below summarizes the displays on the LCD sensor names and detection status Note Press the SET or OK to stop the buzzing sound from the speaker LCD Sensor name Detection status With display No display RC Back cover sensor Back cover closed Back co...

Page 346: ...ver sensor Manual feed paper empty sensor Not used in the MP models T1 paper feed sensor Back cover sensor Internal temperature sensor Registration front sensor Registration rear sensor Eject sensor Fuser cover sensor External temperature humidity sensor ...

Page 347: ...5 19 Confidential Fig 5 7 Document scanning position sensor Document detection sensor ADF cover sensor ...

Page 348: ... without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 33 on the LCD and press the OK 2 One of the items in the following table is displayed on the LCD depending on the wired LAN connection of the machine 3 Press the X or Stop and the machine returns to the initial state of maintenance mode LCD LAN connection status Active 100B FD 100B FD Active 100B HD 1...

Page 349: ...urns to the initial state of maintenance mode Setting functions LCD Description Set value Default Manual Feed Manual feed setting On Off Off Resolution Print resolution 300 600 1200 dpi 600 dpi Toner Save Toner save mode setting On Off Off Density Print density level 6 to 6 0 JB Can Time Time until host timeout after a job is canceled 0 to 255 seconds 10 seconds Sleep Time Time until sleep mode is...

Page 350: ... the LCD Resolution Valid for printing from the computer only When the resolution is set on the computer the setting on the computer supersedes the setting on the LCD Toner Save Valid for all types of printing except copy and the Function Menu setting will also be changed When the TonerSave is set on the computer the setting on the computer supersedes the setting on the LCD Density Valid for print...

Page 351: ...ts the print position offset in the X landscape direction Valid for printing from the computer only When the X Offset is set on the computer the setting on the computer supersedes the setting on the LCD P Pos Y Offset Sets the print position offset in the Y portrait direction Valid for printing from the computer only When the Y Offset is set on the computer the setting on the computer supersedes t...

Page 352: ...be obtained the number of devices increases each time the device is connected to the computer To avoid this problem set this function to USBNo ON and fix the USB No return value to 0 The setting currently selected is marked at the end of the display Operating Procedure 1 For models with touch panel Press the 4 and then the 5 in the initial state of maintenance mode USBNo is displayed on the LCD Fo...

Page 353: ...h panel Press the or in the initial state of maintenance mode to display MAINTENANCE 45 on the LCD and press the OK USBNo is displayed on the LCD 2 Press the or to display PS DitherType on the LCD and press the SET or OK 3 Press the or to select PS DitherType 0 or PS DitherType 1 on the LCD and press the SET or OK 4 Accepted is displayed on the LCD and the machine returns to the initial state of m...

Page 354: ... Press the or in the initial state of maintenance mode to display MAINTENANCE 45 on the LCD and press the OK USBNo is displayed on the LCD 2 Press the or to display DP ImpGray on the LCD and press the SET or OK 3 Press the or to select DP ImpGray ON or DP ImpGray OFF on the LCD and press the SET or OK 4 Accepted is displayed on the LCD and the machine returns to the initial state of maintenance mo...

Page 355: ...n the initial state of maintenance mode USBNo is displayed on the LCD For models without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 45 on the LCD and press the OK USBNo is displayed on the LCD 2 Press the or to select Regi Freq Low on the LCD and press the SET or OK 3 Accepted is displayed on the LCD and the machine returns to the initial state of main...

Page 356: ...the writing start position to the left press the to decrease the value To shift the position to the right press the to increase the value 5 Press the SET or OK after adjusting the value Accepted is displayed on the LCD 6 Press the X or Stop and the machine returns to the initial state of maintenance mode Adjustment option table 1 Adjusts first side print start position of all tray T1 and MP tray V...

Page 357: ... the initial state of maintenance mode Adjustment option table 1 Adjusts first side print start position of all tray T1 and MP tray Value of Y Adjust TRAY and Y Adjust DX is added to each tray adjustment value For example when printing from the T1 it adjusts as Y Adjust T1 value Y Adjust TRAY value or Y Adjust DXT1 value Y Adjust DX value and print Besides when the added value is over than the adj...

Page 358: ...e LCD and press the OK USBNo is displayed on the LCD 2 Press the or to display Special Printing on the LCD and press the SET or OK default is displayed on the LCD 3 Press the or to change the setting and press the SET or OK There are four setting options default HAGAKI1 HAGAKI2 and HAGAKI3 is displayed at the end of the currently specified function in the LCD display The initial value is default 4...

Page 359: ...e Change of function switch Function This function is used to stop the soft switch function so it is the function that is not used for the service but for the designers Change of drum developing bias correction value in endurance deterioration of drum Function When the print image becomes light at the end of use of the drum unit changes the setting value and responses it Resetting the drum counter...

Page 360: ...models with touch panel Press the 4 and then the 5 in the initial state of maintenance mode USBNo is displayed on the LCD For models without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 45 on the LCD and press the OK USBNo is displayed on the LCD 2 Press the or to display Purge K toner on the LCD and press the SET or OK PurgeKtoner ON or PurgeKtoner OFF ...

Page 361: ...T PTN on the LCD and press the SET or OK PRINTING is displayed on the LCD and the print adjustment test pattern refer to the next page is printed on a sheet of paper 3 Adjust the line so that the width is 10 mm in horizontal vertical direction Press the or to display desired direction on the LCD Horizontal direction MAIN SIZE SET Vertical direction SUB SIZE SET Press the SET or OK SET 0 0 is displ...

Page 362: ...5 34 Confidential Print adjustment test pattern Fig 5 8 ...

Page 363: ...nsfer the communication list information for the past three errors press the 5 5 COM LIST ERR3 is displayed on the LCD To transfer the maintenance information list printed by function code 77 press the 6 6 MNT77LIST is displayed on the LCD 2 Press the SET while either 2 ACTIVITY 3 DOCUMENTS 4 COM LIST NEW 5 COM LIST ERR3 or 6 MNT77LIST is displayed on the LCD ENTER NO SET is displayed on the LCD 3...

Page 364: ... sender machine Fax number of the sender machine Telephone number of the sender machine Transfer date and time Model code Boot ROM information ROM information Serial number Job number to identify the transmission Total number of pages to be transferred Station ID registered in the sender machine Fax number of the sender machine Telephone number of the sender machine Error codes ...

Page 365: ...n press the and proceed to the procedure 3 2 0 MAIN 1 TP 2 HP is displayed on the LCD Press the 0 to adjust the main scanning Press the 1 to adjust the vertical scanning Press the 2 to adjust the rear end side of the vertical scanning For duplex scanning models 0 FRONT 1 BACK is displayed on the LCD Press the 0 to adjust the first side Press the 1 to adjust the second side For single side scanning...

Page 366: ...isplay MAINTENANCE 55 on the LCD and press the OK Press START is displayed on the LCD 2 Press the Start or Mono Start SCANNER AREA SET is displayed on the LCD and the white level data is obtained 3 After several seconds the compensation value for the white level data scanning width is stored in the EEPROM and the machine returns to the initial state of maintenance mode If any error is detected dur...

Page 367: ...llow IC_ACT YELLOW If you want to select the toner sensor on the machine IC_ACT MAIN 4 Press the Mono Start Selected toner cartridge will be authorized If it is authorized IC_ACT OK is displayed on the LCD If the authorization failed IC_ACT NG is displayed on the LCD indicates an error number Refer to the Error display table below to solve it Error display 5 Press the X The machine returns to the ...

Page 368: ...CT CYAN If you want to select yellow IC_ACT YELLOW If you want to select the toner sensor on the machine IC_ACT MAIN 3 Press the Start Selected toner cartridge will be authorized If it is authorized IC_ACT OK is displayed on the LCD If the authorization failed IC_ACT NG is displayed on the LCD indicates an error number Refer to the Error display table on the previous page to solve it 4 Press the S...

Page 369: ...e of maintenance mode to display MAINTENANCE 57 on the LCD and press the OK IC_ACT ALL is displayed on the LCD 2 Press the OK IC_COL ALL is displayed on the LCD 3 Press the or to display the toner cartridge to be authorized on the LCD If you want to select all colors IC_COL ALL If you want to select black IC_COL BLACK If you want to select magenta IC_COL MAGENTA If you want to select cyan IC_COL C...

Page 370: ...maintenance mode to display MAINTENANCE 57 on the LCD and press the OK IC_ACT ALL is displayed on the LCD 2 Press the OK several times IC_AREA ALL is displayed on the LCD 3 Press the or to display the toner cartridge to be authorized on the LCD If you want to select all colors IC_AREA ALL If you want to select black IC_AREA BLACK If you want to select magenta IC_AREA MAGENTA If you want to select ...

Page 371: ...ntenance mode to display MAINTENANCE 57 on the LCD and press the OK IC_ACT ALL is displayed on the LCD 2 Press the OK several times IC_SIZE ALL is displayed on the LCD 3 Press the or to display the toner cartridge to be authorized on the LCD If you want to select all colors IC_SIZE ALL If you want to select black IC_SIZE BLACK If you want to select magenta IC_SIZE MAGENTA If you want to select cya...

Page 372: ...e on 5 39 to solve it 5 Press the X The machine returns to the initial state of maintenance mode For models without touch panel 1 Press the or in the initial state of maintenance mode to display MAINTENANCE 57 on the LCD and press the OK IC_ACT ALL is displayed on the LCD 2 Press the OK several times IC_VER BLACK is displayed on the LCD 3 Press the or to display the toner cartridge to be authorize...

Page 373: ...of maintenance mode to display MAINTENANCE 57 on the LCD and press the OK IC_ACT ALL is displayed on the LCD 2 Press the OK several times IC_TX ALL is displayed on the LCD 3 Press the or to display the toner cartridge to be authorized on the LCD If you want to select all colors IC_TX ALL If you want to select black IC_TX BLACK If you want to select magenta IC_TX MAGENTA If you want to select cyan ...

Page 374: ...e This adjustment requires a touch pen with a thin tip A commercially available touch pen designed for electronic dictionaries or personal digital assistance PDA can be used If one is not available at hand order a Touch pen from Brother s parts list Note Do not use any tools other than a touch pen In particular never use a pointed tool e g screwdriver Using such a tool will damage the touch panel ...

Page 375: ...ain Firmware in Chapter 4 After upgrading the firmware execute function code 66 again Function Description LCD Adjustment of inter color position alignment without registration sensor calibration auto Automatically correct misregistration between colors that occurs as the number of printed pages increases and time passes REGISTRATION Adjustment of inter color position alignment manual Using the ch...

Page 376: ...splayed on the LCD 2 Press the SET or OK PLS WAIT 66 1 is displayed on the LCD and adjustment of inter color position alignment is automatically done 3 When this operation is completed without an error COMPLETED is displayed on the LCD 4 Press the X or Stop and the machine returns to the initial state of maintenance mode Note If the Adjustment of inter color position alignment without registration...

Page 377: ...r OK and enter each numeric value of the patterns 2 to 9 in the same way 5 When you enter the numeric value of the pattern 9 Yellow Right COMPLETED is displayed on the LCD 6 Press the X or Stop and the machine returns to the initial state of maintenance mode Error message Remedy FAILED REGIST Press the Start or Mono Start to clear the error Perform the Adjustment of inter color position alignment ...

Page 378: ...ntenance mode to display MAINTENANCE 66 on the LCD and press the OK REGISTRATION is displayed on the LCD 2 Press the or to display PRINT CHART on the LCD 3 Press the SET or OK PRINTING is displayed on the LCD and misregistration correction chart see the figure below is printed When printing is finished PRINT CHART is displayed on the LCD 4 Press the X or Stop and the machine returns to the initial...

Page 379: ...DD REGISTRATION on the LCD 3 Press the SET or OK PLS WAIT 66 1 is displayed on the LCD and sensitivity adjustment of registration sensor and adjustment of inter color position alignment are performed automatically 4 When this operation is completed without an error COMPLETED is displayed on the LCD 5 Press the X or Stop and the machine returns to the initial state of maintenance mode Note If the A...

Page 380: ... the pages printing and press the SET or OK For intermittent pattern printing SELECT 1P JOB is displayed on the LCD For other printings or move on to the procedure 8 7 Refer to the Number of pages per job table press the or to select the number of pages for 1 job and press the SET or OK Only for intermittent pattern printing 8 PAPER FEED TEST is displayed on the LCD and printing test pattern start...

Page 381: ...ISB6 JIS B6 SELECT A6 A6 SELECT EXECUTE Executive size SELECT LEGAL Legal size SELECT FOLIO Folio size SELECT HAGAKI Postcard size LCD Description SELECT PLAIN Plain paper SELECT THIN Plain paper thin SELECT THICK Plain paper thick SELECT THICKER Plain paper thicker SELECT RECYCLED Recycled paper SELECT BOND Bond paper SELECT LABEL Label SELECT ENVELOPE Envelope SELECT ENVTHIN Envelope thin SELECT...

Page 382: ... 1 sided printing from manual feed slot SELECT TRAY1 DX 2 2 sided printing from T1 SELECT MP DX 1 2 2 sided printing from MP tray SELECT MF DX 1 2 2 sided printing from manual feed slot SELECT AUTO SX 1 sided printing to automatically selected tray SELECT AUTO DX 2 2 sided printing to automatically selected tray LCD Description SELECT 1PAGE 1 page printing SELECT CONTINUE Continuous printing SELEC...

Page 383: ...tern Fig 5 14 SELECT K 100 SELECT C 100 SELECT M 100 SELECT Y 100 SELECT W 100 SELECT R 100 SELECT G 100 SELECT B 100 SELECT KCMY1 SELECT KCMY5 SELECT Lattice SELECT Total When Print type is SX SELECT Total When Print type is DX ...

Page 384: ...error OK is displayed on the LCD 3 Press the X or Stop and the machine returns to the initial state of maintenance mode indicates the toner color K Y M or C of which cartridge became empty LED ASSY test pattern Fig 5 15 Note When printing fails the following error indications are displayed on the LCD When the error factors are removed press the Start or Mono Start and the machine automatically rec...

Page 385: ...er to the figure below is printed on single side of the paper 3 When printing is completed WAKU SX is displayed on the LCD 4 Press the X or Stop and the machine returns to the initial state of maintenance mode Frame pattern Fig 5 16 Note If printing fails printing is stopped with displaying any of the errors shown in the table below To retry printing refer to the Remedy in the table below and elim...

Page 386: ...printing is completed WAKU DX is displayed on the LCD 4 Press the X or Stop and the machine returns to the initial state of maintenance mode Frame pattern Fig 5 17 Note If printing fails printing is stopped with displaying any of the errors shown in the table below To retry printing refer to the Remedy in the table below and eliminate the error cause and press the Start or Mono Start PRINTING is d...

Page 387: ... to the Paper size table press the or to select the paper size and press the SET or OK SELECT PLAIN is displayed on the LCD 4 Refer to the Print specification table press the or to select the media specification and press the SET or OK SELECT SX is displayed on the LCD 5 Refer to the Print type table press the or to select the print type and press the SET or OK SELECT 1PAGE is displayed on the LCD...

Page 388: ...LECT JISB5 JIS B5 SELECT A5 A5 SELECT A5L A5L SELECT JISB6 JIS B6 SELECT A6 A6 SELECT EXECUTE Executive size SELECT LEGAL Legal size SELECT FOLIO Folio size SELECT HAGAKI Postcard size LCD Description SELECT PLAIN Plain paper SELECT THICK Plain paper thick SELECT THIN Plain paper thin SELECT THICKER Plain paper thicker SELECT RECYCLED Recycled paper SELECT BOND Bond paper SELECT LABEL Label SELECT...

Page 389: ...Error display Remedy Replace Toner Replace the toner cartridge and press the Start or Mono Start to release the error Cover is Open Close the top cover No Paper Refill the paper close the T1 and press the Start or Mono Start to release the error Jam Tray1 Remove the jammed paper then close the T1 and all covers press the Start or Mono Start to release the error Jam Rear K W Y M C M K C Y MCYK H MC...

Page 390: ...sitivity adjustment of the density sensor fails ERROR 72 is displayed on the LCD Display the error message by pressing the and take the following remedy that corresponds to the error message Error display Remedy dens_l_drk_err Reconnect the harness of the eject sensor PCB Replace the registration mark sensor ASSY Replace the main PCB belt_err Replace the belt unit Replace the waste toner box Repla...

Page 391: ...is displayed on the LCD 2 Press the SET or OK PLS WAIT 72 is displayed on the LCD and each adjustment is performed in the following order 1 Sensitivity adjustment of density sensor Function code 72 LCD PLS WAIT 72 2 Developing bias voltage correction Function code 83 LCD PLS WAIT 83 3 Adjustment of color registration Adjustment of inter color position alignment including registration sensor calibr...

Page 392: ...f the spec code Press the or to select the first digit and press the OK The cursor moves to the second digit Press the or to select the second digit and press the OK The cursor moves to the fourth digit 3 Press the or to select the third digit and the fourth digit skip the invalid number selected and press the OK 4 Press the Start to save the new setting and PARAMETER INIT is displayed on the LCD ...

Page 393: ...142 Chile 0136 Gulf 0174 Gulf 0141 South Africa 0124 Turkey 0125 India 0145 New Zealand 0127 Singapore 0140 HL L3290CDW U S A 0001 Canada 0001 MFC 9150CDN China 0520 MFC 9350CDW China 0820 MFC L3710CW Canada 0301 France Belgium Netherlands 0358 Belgium 0308 France 0305 Netherlands 0309 Others 0350 Germany 0353 Austria 0314 Germany 0303 Italy Iberia 0366 Italy 0316 Portugal 0318 Spain 0315 New Zeal...

Page 394: ...elgium Netherlands 0458 Belgium 0408 France 0405 Netherlands 0409 Others 0450 Germany 0453 Austria 0414 Germany 0403 Italy Iberia 0466 Italy 0416 Portugal 0418 Spain 0415 Pan Nordic 0457 Denmark 0413 Finland 0412 Norway 0407 Sweden 0426 Others 0450 Switzerland 3410 UK 0404 MFC L3735CDN Asia 0540 India 0545 MFC L3745CDW Australia 0606 MODEL Country Code Country Code Detail ...

Page 395: ... 0709 Others 0750 Germany 0753 Austria 0714 Germany 0703 Gulf 0774 Gulf 0741 South Africa 0724 Turkey 0725 Italy Iberia 0766 Italy 0716 Portugal 0718 Spain 0715 Korea 0744 Pan Nordic 0757 Denmark 0713 Finland 0712 Norway 0707 Sweden 0726 Others 0750 Singapore 0740 Switzerland 3710 Taiwan 0723 U S A 0701 UK 0704 MODEL Country Code Country Code Detail ...

Page 396: ...lands 0858 Belgium 0808 France 0805 Netherlands 0809 Others 0850 Germany 0853 Austria 0814 Germany 0803 Italy Iberia 0866 Italy 0816 Portugal 0818 Spain 0815 New Zealand 0827 Philippines 0821 Russia 0848 Singapore 0840 Switzerland 3810 U S A 0801 UK 0804 Note The spec code list above is current as of March 2018 Please contact Brother distributors for the latest information MODEL Country Code Count...

Page 397: ...wice in the initial state of maintenance mode Printing maintenance information starts For models without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 77 on the LCD and press the OK Printing maintenance information starts 2 When printing is completed the machine returns to the initial state of maintenance mode Maintenance information Fig 5 19 1 6 7 3 8 9 ...

Page 398: ...code 05 Result of function code 72 Wireless LAN setting by country Wireless LAN output peak WLAN Setup YES NO setting Product inspection ID Toner type CMYK current Toner type CMYK previous 46 Scanned pages 18 Main PCB inspection log High voltage inspection log The number of times that the discharge error Fuser unit error Process status Irregular power supply detection error occurred 47 Number of f...

Page 399: ... or in the initial state of maintenance mode to display MAINTENANCE 78 on the LCD and press the OK F100 is displayed on the LCD and the fan rotates at 100 speed 2 By pressing the Start or Mono Start F67 is displayed on the LCD and the fan rotates at 67 speed 3 By pressing the Start or Mono Start F50 is displayed on the LCD and the fan rotates at 50 speed 4 By pressing the Start or Mono Start F 0 i...

Page 400: ...ete fax data in the machine memory Operating Procedure 1 Press the 7 and then the 9 in the initial state of maintenance mode BACKUP CLEAR is displayed on the LCD and fax data in the machine memory is deleted 2 When deleting is completed the machine returns to the initial state of maintenance mode ...

Page 401: ...Fuser unit serial number CTN_ERM 78 Amount of remaining cyan toner estimated from coverage CTN_RRM 67 Amount of remaining cyan toner estimated from the number of develop rotations MTN_ERM 78 Amount of remaining magenta toner estimated from coverage MTN_RRM 67 Amount of remaining magenta toner estimated from the number of develop rotations YTN_ERM 78 Amount of remaining yellow toner estimated from ...

Page 402: ... FAX only MN_FAX 00000000 Total List Fax pages monochrome printed For models with FAX only DX_CFAX 00000000 Total List Fax pages color printed on both sides For models with FAX only DX_MFAX 00000000 Total List Fax pages monochrome printed on both sides For models with FAX only TTL_OTH 00000000 Total number of pages printed by other methods DX_OTH 00000000 Total number of two sided pages printed by...

Page 403: ...ed pages on postcard GLOSSY 00000000 Printed pages on glossy paper TTL_JAM 00000000 Total paper jams that have occurred MP_JAM 00000 Paper jams that have occurred in the MP tray MP models only MN_JAM 00000 Paper jams that have occurred in the manual feed slot Manual feed models only TR1_JAM 00000000 Paper jams that have occurred in T1 IN_JAM 00000000 Paper jams that have occurred in the machine RE...

Page 404: ... 00000000 Number of pages printed from the previous installed yellow toner cartridge KTN_PG1 00000000 Number of pages printed from the currently installed black toner cartridge KTN_PG2 00000000 Number of pages printed from the previous installed black toner cartridge WTNR_PG 00000000 Number of pages printed with the current waste toner box SCN_PG 00000000 The number of scanned pages except Fax and...

Page 405: ...erial number 6 Press the OK The cursor moves to the second digit Likewise repeatedly enter the 15 digit serial number from the second digit to the last 7 Press the Start The serial number is saved and the machine returns to the initial state of maintenance mode 3 Pressing the SET or OK while PCB is displayed shows the serial number of the main PCB on the LCD 4 Pressing the SET or OK while the numb...

Page 406: ...uch panel Press the 8 and then the 2 in the initial state of maintenance mode MACHINE ERR XXXX is displayed on the LCD For models without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 82 on the LCD and press the OK MACHINE ERR XXXX is displayed on the LCD 2 Press the X or Stop and the machine returns to the initial state of maintenance mode ...

Page 407: ...ction code 72 in this chapter has been done more than once When performing this function code 83 after replacing the main PCB make sure to perform the 1 3 26 Sensitivity adjustment of density sensor Function code 72 in this chapter first Note If developing bias voltage correction fails ERROR 83 is displayed on the LCD Display the error message by pressing the and take the following remedy that cor...

Page 408: ...the problem current in the user s machine Operating Procedure Service side 1 Make a call from the service side equipment to the user side equipment User side 2 Press the 8 and 7 in this order SENDING P 01 is displayed on the LCD and sending error list starts When the error list is sent the machine returns to the ready state Service side 3 Once the user side equipment started sending the error list...

Page 409: ...r Mono Start Enter the type selection of fuser unit only when the Reset Fuser Unit is selected After selecting the Reset Fuser Unit press the or to select the last digit value of the serial number of fuser unit and press the Start or Mono Start 3 OK is displayed on the LCD Press the Start or Mono Start to reset the counter for the selected part and return the display to the procedure 2 represents ...

Page 410: ...fuser unit error Operating Procedure 1 For models with touch panel Press the 9 twice in the initial state of maintenance mode The machine quits the maintenance mode and returns to the ready state For models without touch panel Press the or in the initial state of maintenance mode to display MAINTENANCE 99 on the LCD and press the OK The machine quits the maintenance mode and returns to the ready s...

Page 411: ...ever registration will be performed when the machine cannot print normally even the auto registration is OFF Operating Procedure 1 Press the in the ready state and press the Printer on the LCD 2 Press the or to display Color Correction on the LCD then press it 3 Press the Calibration on the LCD 4 Press the for five seconds or more to display Auto Calibration 5 Press the On when enabling this funct...

Page 412: ...ttom on the LCD The display shown on the right appears on the LCD 3 Press the 1 0 4 1 and 4 in this order in approximately two seconds 4 Communication error list Communication List is printed Press the X or Stop the machine returns to the ready state For models without touch panel 1 Press the Menu 1 0 4 1 and 4 in this order in approximately two seconds while the machine is in the ready state Comm...

Page 413: ...PHI_6 20 20 PHI_6 VOUT SGND 16 21 SGND 3 3V 21 21 3 3V CLKG 3 3V 1 A T A D Q E R 1 M W P _ D L F F O _ K L C _ 0 E I C P 15 22 REQDATA1 PHI_20 22 22 PHI_20 PCIE_REFCLK PCIE0_REFCLK_P SGND 14 23 SGND PHI_19 23 23 PHI_19 2 A T A D Q E R 2 M W P _ D L N _ K L C F E R _ 0 E I C P 13 24 REQDATA2 3 3V 24 24 3 3V SGND 12 25 SGND PHI_18 25 25 PHI_18 3 A T A D Q E R 3 M W P _ D L O _ K L C F E R _ 0 E I C ...

Page 414: ... 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 cables are not at an angle When connecting or disconnecting harnesses hold the connector body not the cables If the connector has a lock release the connector lock first to release it After a repair check not only the repaired portion but also harness tr...

Page 415: ...e 1 Unplug the AC cord the USB cable if connected the LAN cable if connected the USB flash memory drive if connected and the Line cord if connected 2 Remove the Toner cartridge Drum unit the Belt unit the Waste toner box the Paper tray the LAN port cap and the EXT cap Fig 7 1 LAN port cap Toner cartridge Drum unit Belt unit Waste toner box Paper tray EXT cap ...

Page 416: ...m L R from the A part Fig 7 2 3 Release the Boss of the Back cover ASSY from the Bush on the Frame L to remove the Back cover ASSY 3a 3b Fig 7 3 Back side Back cover stopper arm R A part Back cover ASSY Back cover stopper arm L A part Back side Back cover ASSY 3a 3b Boss Boss Bush Bush Frame L ...

Page 417: ... Remove the Rear flapper sub ASSY from each Boss Fig 7 4 5 Remove the Taptite bind B M3x10 screw to remove the Fuser cover L Fig 7 5 Boss Boss Rear flapper sub ASSY Back side Fuser cover L Taptite bind B M3x10 Back side ...

Page 418: ...ing Note When attaching the Fuser cover L tighten the screw while pushing the Fuser cover L in the direction of the arrow When the Fuser cover L is attached without pushing it the Boss of the Frame L may come off Fuser cover L Boss of the Frame L Back side Fuser cover lock lever L Fuser cover ASSY Fuser cover lock lever R ...

Page 419: ... Fuser cover ASSY in the direction of the arrow and remove it to the front Fig 7 8 8 Remove the Taptite bind B M3x10 screw to remove the Fuser cover R Fig 7 9 Back side Fuser cover ASSY Fuser cover R Taptite bind B M3x10 Back side ...

Page 420: ... 7 Confidential 9 Disconnect the Center thermistor harness and the Side thermistor harness from the Eject sensor PCB Fig 7 10 Center thermistor harness Side thermistor harness Eject sensor PCB Back side ...

Page 421: ...f arrow 10b 11 Disconnect the Heater harness of the Fuser unit from the LVPS heater harness Fig 7 11 Assembling Note After connecting the Heater harness pull the Connector on the Heater harness side while holding the Connector on the LVPS heater harness side to make sure it is locked NG OK LVPS heater harness Heater harness Fuser unit Taptite pan washer B M4x12DA Back side 10a 10b ...

Page 422: ...parts Function code 88 in Chapter 5 Note Do not apply a physical impact or vibration to the Fuser unit Assembling Note After connecting the Heater harness of the Fuser unit to the LVPS heater harness the Heater harness is housed so that it does not come out of the Frame R LVPS heater harness Heater harness Frame R Back side ...

Page 423: ... Paper tray 2 Push both side Arms on the T1 separation pad ASSY inwards to remove the Pins and remove the T1 separation pad ASSY from the Paper tray 3 Remove the Separation pad spring from the Paper tray Fig 7 13 T1 separation pad ASSY Paper tray Arm Separation pad spring Hooks Arm Pin Pin ...

Page 424: ...e the Roller holder ASSY in the direction of arrow B to remove it from the Shaft and remove the Roller holder ASSY from the machine Fig 7 14 5 After replacing the PF kit 1 reset the counter Refer to 1 3 36 Reset counters for consumable parts Function code 88 in Chapter 5 Boss Roller holder ASSY Shaft Lift arm A B Bottom side ...

Page 425: ...er front cover Fig 7 15 3 Release the Hook and slide the MP holder bushing in the direction of arrow A 4 Slide the MP roller holder ASSY in the direction of arrow B and rotate it in the direction of arrow C to remove it upward Fig 7 16 Top cover MP cover ASSY Taptite pan B M4x14 MP maintenance cover Inner front cover MP roller holder ASSY MP holder bushing Hook A B C ...

Page 426: ...right to remove it upward 6 Remove the MP separation pad spring from each Pin Fig 7 17 7 After replacing the PF kit MP reset the counter Refer to 1 3 36 Reset counters for consumable parts Function code 88 in Chapter 5 MP separation pad spring MP separation pad ASSY Pins Hooks ...

Page 427: ...1 1 Location Fig App 1 2 Serial number 6 digit Manufacturing factory No 201 e g 8 2018 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 8 N 1 1 1 1 0 1 Model number Serial number Serial number label ...

Page 428: ...nitial Setup Reset Factory Reset 2 Swipe up or down or press the or to display the type of reset functions and then press the reset function you want to use 3 Machine will reboot after resetting Press OK for 2 seconds to confirm appears Press the OK for two seconds to confirm The machine will restart Note Subdivided reset functions are not available for some models Option Description Reset the mac...

Page 429: ...8 1 Windows 10 1 Check that the AC cord of the machine is unplugged from the electrical outlet Disconnect the USB cable that connects the machine with your computer 2 Turn ON your computer 3 Double click Setup exe inside the Brother Maintenance USB Printer folder that was saved in a temporary folder The following screen appears Click the Next button Note Once this installation procedure is carried...

Page 430: ...lowing screen to appear and click Finish 5 Plug the AC cord of the machine into an electrical outlet 6 Enter the maintenance mode Refer to 1 1 How to Enter Maintenance Mode in Chapter 5 7 Connect the machine to your computer using a USB cable and the installation will be performed automatically ...

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