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background image

App.

4-48

Confidential

WSW44 (

Speeding up scanning-1)

Selector

No.

Function

Setting and Specifications

1

|

5

Not used.

6

|

8

Effective time length of the
white level compensation data
obtained beforehand
(Not used.)

No. 6 7 8

0 0 0 : Obtained compensation data
ineffective

0

0

1

: 1

min.

0

1

0

: 3

min.

0

1

1

: 5

min.

1

0

0

:

10

min.

1

0

1

:

15

min.

1

1

0

:

20

min.

1

1

1

:

30

min.

NOTE:

Selectors 6 through 8 are applicable only to models equipped with ADF units.

Selectors 6 through 8: Effective time length of the white level compensation data obtained

beforehand (Not used.)

If you set documents in the ADF and the document front sensor detects them, the controller will
make correction of the reference voltage to be applied to white level compensation for document
scanning before the

Copy

key is pressed.

These selectors determine how long compensation data obtained beforehand will keep effective.

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Содержание DCP-7010

Страница 1: ...Confidential FACSIMILE EQUIPMENT SERVICE MANUAL MODELS MFC7420 7820N DCP7010 7020 7025 ...

Страница 2: ...opyright Brother 2004 All rights reserved No part of this publication may be reproduced in any form or by any means without permission in writing from the publisher Specifications are subject to change without notice ...

Страница 3: ...rstanding the basic principles of operation as well as locating defects for troubleshooting CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR Describes how to transfer data left in the machine to be sent for repair The service personnel should instruct end users to follow the transfer procedure given in this chapter if the machine at the user site cannot print received data due ...

Страница 4: ...YSTEM Shows the location of serial number labels put on some parts and lists the coding information pertaining to the serial numbers APPENDIX 2 FIRMWARE INSTALLATION Provides instructions on how to update firmware stored in the flash ROM on the main PCB or load firmware to a new main PCB from the host PC No hardware replacement is required for updating APPENDIX 3 CUSTOMIZING CODES ACCORDING TO SHI...

Страница 5: ...OF OPERATION 3 1 OVERVIEW 3 1 3 2 MECHANICAL COMPONENTS 3 2 3 2 1 Scanner Mechanism 3 3 3 2 2 Printing Mechanism 3 6 3 2 2 1 Paper supply 3 6 3 2 2 2 Push up function of paper tray 3 8 3 2 2 3 Paper registration 3 10 3 2 2 4 Paper eject 3 11 3 2 2 5 Drum unit 3 11 3 2 2 6 Toner cartridge 3 12 3 2 2 7 Print process 3 15 3 2 3 Sensors and Actuators 3 18 3 3 CONTROL ELECTRONICS 3 19 3 3 1 Components ...

Страница 6: ...e Cover 5 8 5 1 6 Side Cover L 5 9 5 1 7 Side Cover R 5 10 5 1 8 ADF Unit 5 11 5 1 9 Pull Arm Pull Arm Guide Lock Claw Pull Arm Spring 5 25 5 1 10 Scanner Unit 5 26 5 1 11 Panel Unit 5 26 5 1 12 NCU PCB 5 30 5 1 13 Speaker 5 31 5 1 14 Joint Cover ASSY Paper Stopper Battery ASSY 5 33 5 1 15 Front Cover 5 36 5 1 16 Pickup Roller Holder ASSY 5 38 5 1 17 Fixing Unit 5 42 5 1 18 High Voltage PS PCB ASS...

Страница 7: ...noid ASSY 5 66 5 1 38 Main Frame L 5 68 5 1 39 Main Frame R 5 69 5 1 40 Harness Routing 5 70 5 2 LUBRICATION 5 78 CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT 6 1 IF YOU REPLACE THE MAIN PCB 6 1 1 Load update programs data 6 1 2 Initialize the EEPROM on the main PCB Function code 01 6 1 3 Customize the EEPROM on the main PCB Function code 74 6 1 4 Check the contr...

Страница 8: ...rintout of firmware switch data Function mode 11 8 11 8 4 7 Operation Check of LCD Function mode 12 8 12 8 4 8 Operational Check of Control Panel PCB Function mode 13 8 13 8 4 9 Sensor Operational Check Function mode 32 8 14 8 4 10 Received Data Transfer Function Function mode 53 8 15 8 4 11 Fine Adjustment of Scan Start End Positions Function mode 54 8 17 8 4 12 Acquisition of White Level Data an...

Страница 9: ...2 4 Troubleshooting Based on Problem Type 9 16 1 Paper feeding problems 9 16 2 Software setting problems 9 18 3 Malfunction 9 21 4 Image defects 9 27 5 Incorrect printout 9 48 6 Network problem 9 50 7 Troubleshooting of the control panel 9 54 8 Troubleshooting of fax functions 9 56 APPENDIX 1 SERIAL NUMBERING SYSTEM APPENDIX 2 FIRMWARE INSTALLATION A2 1 INSTALLING THE UPDATE DATA TO THE MACHINE Ap...

Страница 10: ...IT DIAGRAMS NCU PCB MFC7420 U S A and CANADA models NCU PCB MFC7820N U S A and CANADA models NCU PCB MFC7420 EUROPE models NCU PCB MFC7820N EUROPE models Power Supply PCB 100V U S A and CANADA models Power Supply PCB 200V EUROPE models ...

Страница 11: ...g this might cause an electrical shock After you use the MFC some internal parts are extremely HOT To prevent injuries be careful not to put your fingers in the areas shown in the illustration The fuser unit is marked with a caution label Please do not remove or damage the label To prevent injuries be careful not to put your hands on the edge of the MFC under the scanner cover To prevent injuries ...

Страница 12: ...ly a No 26 AWG or larger telecommunication line cord CAUTION Lightning and power surges can damage this product We recommend that you use a quality surge protection device on the AC power line and on the telephone line or unplug the cords during a lightning storm WARNING IMPORTANT SAFETY INSTRUCTIONS When using your telephone equipment basic safety precautions should always be followed to reduce t...

Страница 13: ...c area Do not place the MFC near heaters air conditioners water chemicals or refrigerators Do not expose the MFC to direct sunlight excessive heat moisture or dust Do not connect your MFC to an AC power outlet controlled by wall switches or automatic timers Disruption of power can wipe out information in the MFC s memory Do not connect your MFC to an AC power outlet on the same circuit as large ap...

Страница 14: ...Confidential CHAPTER 1 PARTS NAMES FUNCTIONS ...

Страница 15: ...ontains external views and names of components and describes their functions Information about the keys on the control panel is included to help you check operation or make adjustments CONTENTS 1 1 EQUIPMENT OUTLINE 1 1 1 2 CONTROL PANEL 1 2 1 3 COMPONENTS 1 4 ...

Страница 16: ... Document Cover Power Switch Front Cover Paper Tray Control Panel USB Interface Connector Parallel Interface Connector 10 100 Baser TX Port MFC7820N only AC Power Connector Back Cover Automatic Document Feeder ADF Manual Feed Slot Face down Output Tray Support Flap with Extension Support Flap ...

Страница 17: ... Key Redial Pause Redials the last number you called It also inserts a pause in quick dial numbers Hook Press before dialing if you want to make sure a fax machine will answer and then press Start Also press this key after picking up the handset of an external telephone during the F T double pseudo ring Resolution Sets the resolution when you send a fax Stops an operation or exits from the menu 4 ...

Страница 18: ...Lets you access the Menu to program and store your settings in the MFC When listening to the speaker in Fax mode or on standby you can press these keys to adjust the volume Search Speed Dial Lets you look up numbers that are stored in the dialing memory It also lets you dial stored numbers by pressing and a three digit number Press to scroll forward or backward to a menu selection or Press to scro...

Страница 19: ...wing major components Scanner Unit Panel Unit Speaker ASSY Joint Cover ASSY Laser Unit Side Cover R PS PCB Unit Frame Unit Front Cover Paper Tray High voltage PS PCB Side Cover L Main PCB Battery ASSY Fixing Unit Rear Cover Rear Chute Cover Inner Chute NCU PCB ADF Unit ...

Страница 20: ...Confidential CHAPTER 2 SPECIFICATIONS ...

Страница 21: ...hapter lists the specifications of each model which enables you to make a comparison of different models CONTENTS 2 1 GENERAL 2 1 2 1 1 General Specifications 2 1 2 1 2 Paper Specifications 2 2 2 1 3 Printable Area 2 4 2 2 SPECIFICATIONS LIST 2 8 ...

Страница 22: ...urce 100 to 120V AC 50 60Hz Power Consumption MFC 7420 Minimum Under 10 watts Standby 75 Wh or less 25 C Peak 1032 Wh or less MFC 7820N Minimum Under 10 watts Standby 75 Wh or less 25 C Peak 1032 Wh or less Dimensions W x D x H 432mm x 395mm x 294mm with out carton Weight Without Drum Toner Unit 20 7 lb 9 4 kg Noise Operating 53 dB A or less Standby 30 dB A or less Temperature Operating 50 F to 90...

Страница 23: ... X O Envelope or Env Thick or Env Thin Card Stock X O Thick paper or Thicker paper 2 Paper size Paper Tray Manual feed slot Paper size A4 Letter Legal B5 ISO Executive A5 A6 B6 ISO B5 JIS Folio Width 69 9 to 215 9 mm 2 75 to 8 5 in Length 116 to 406 4 mm 4 57 to 16 0 in Legal and Folio are not available in some regions 3 Other paper specifications Paper tray Cut sheet Basis weight 60 to 105 g m2 1...

Страница 24: ... drum unit Avoid using coated paper such as vinyl coated paper Avoid using preprinted or highly textured paper It is recommended to use labels or transparencies which are designed for use in laser printers Avoid feeding labels with the carrier sheet exposed or the printer will be damaged Before loading paper with holes such as organizer sheets be sure to fan the stack well Do not use organizer she...

Страница 25: ...hysical page Printable area Logical page B Physical page length D Maximum logical page length F Distance from edge of physical page to edge of logical page NOTE Logical page shows the printable area for a PCL driver Printable area shows mechanical printable area of the machine Therefore the machine can only print within the shaded area when you use a PCL driver ...

Страница 26: ...dots B5 JIS 182 0 mm 7 1 2 130 dots 257 0 mm 10 11 3 033 dots 170 0 mm 6 69 2 007 dots 257 0 mm 10 11 3 033 dots 6 01 mm 0 24 71 dots 0 mm 4 2 mm 0 16 50 dots B5 ISO 176 0 mm 6 93 2 078 dots 250 0 mm 9 84 2 952 dots 164 0 mm 6 46 1 936 dots 250 0 mm 9 84 2 952 dots 6 01 mm 0 24 71 dots 0 mm 4 2 mm 0 16 50 dots B6 ISO 125 0 mm 4 92 1 476 dots 176 0 mm 6 93 2 078 dots 164 0 mm 4 44 1 334 dots 176 0 ...

Страница 27: ...e length D Maximum logical page length F Distance from edge of physical page to edge of logical page NOTE Logical page shows the printable area for a PCL driver Printable area shows mechanical printable area of the machine Therefore the machine can only print within the shaded area when you use a PCL driver ...

Страница 28: ...ots B5 JIS 257 0 mm 10 11 3 033 dots 182 0 mm 7 1 2 130 dots 247 0 mm 9 72 2 916 dots 182 0 mm 7 1 2 130 dots 4 8 mm 0 19 59 dots 0 mm 4 2 mm 0 16 50 dots B5 ISO 250 0 mm 9 84 2 952 dots 176 0 mm 6 93 2 078 dots 240 0 mm 9 44 2 834 dots 176 0 mm 6 93 2 078 dots 4 8 mm 0 19 59 dots 0 mm 4 2 mm 0 16 50 dots B6 ISO 176 0 mm 6 93 2 078 dots 125 0 mm 4 92 1 476 dots 166 4 mm 6 55 1 960 dots 125 0 mm 4 ...

Страница 29: ...g 14 7kg Weight w o Carton Color N A N A 432mm x 395mm x 294mm N A Yes 16 Mbyte RAM N A Yes 550mm x 495mm x 500mm Yes 9 5kg Front Top cover 1736 gray Side cover 1581gray 9 45kg Front Top cover 1581 gray Side cover 1736 gray 14 5kg 14kg 550mm x 495mm x 500mm N A Yes 432mm x 395mm x 294mm Yes N A 16 characters x 2 lines N A N A N A 16 characters x 2 lines N A Yes 1 color Yes 32 Mbyte RAM Yes up to 4...

Страница 30: ...ilure Dialing Chain Dialing Automatic Redial PBX Feature N A Yes N A N A Yes N A Speaker Phone Handset Volume Speaker Volume Buzzer Volume Ring Volume Hold Mute Key Music on Hold Monitoring the Line on Hold with Music One Touch Dial Speed Dial 220 240V AC 50 60Hz Yes 3 steps OFF Yes Yes Yes Yes Yes Yes Yes Max 18 sec at 73 4 F 23C Yes Yes Yes N A Yes Yes Yes Yes Yes Yes Yes Yes Yes 200 locations N...

Страница 31: ...n Resolution Indication Delayed Timer Polled Sending Multi Transmission Multi Resolution Transmission Next Fax Reservation Batch Transmission Call Reservation Over Auto TX Call Reservation Over Manual TX Quick Scan Memory transmission ALL FB2 MFC 7820N Yes Yes ALL FB1 MFC 7420 N A Approx 2 5 sec page A4 Standard Resolution N A N A N A N A Approx 2 5 sec page A4 Standard Resolution Yes Yes Auto Lig...

Страница 32: ...FC 7820N Yes Auto Switching IEEE1284 USB 10 100Base TX Standard Auto Switching IEEE1284 USB 10 100Base TX up to 500 pages ITU T Test Chart Standard Resolution JBIG up to 600 pages Brother 1Chart Standard Resolution JBIG Yes Yes Auto Switching IEEE1284 USB 10 100Base TX Yes Yes Yes N A Yes Auto Switching IEEE1284 USB N A up to 400 pages ITU T Test Chart Standard Resolution MMR up to 500 pages Broth...

Страница 33: ...m READY mode 2 Multi Copy Stack HQ1200 2400x600dpi Custom Size 2 75x4 56 8 5x16 Envelope DL C5 CM10 Monarch N A N A Less than 10secs up to 20ppm A4 size Windows GDI Less than 12 sec 64 90 g m2 17 24 lb N A N A N A N A Yes 35 True type Fonts Yes 35 True type Fonts PCL Bitmap font Letter Gothic 16 66 OCR A OCR B Scalable font 49 fonts PS PS compatible font 66 fonts 60 105 g m2 16 28 lb 60 161 g m2 1...

Страница 34: ... Retrieval Fax Forwarding Paging Yes Yes BUNDLED SOFTWARE For Windows Printer Driver TWAIN WIA for XP Viewer PaperPort 9 0 Control Center PC Fax Send Fax Share Software by Brother PC Fax Receive Parallel USB only Remote Setup BRAdmin Professional 5 Yes Yes Yes Yes Yes USB Parallel only Yes N A Yes Yes Yes Yes ALL FB2 MFC 7820N Yes Yes 600 x 300 dpi ALL FB1 MFC 7420 9600 x 9600 dpi 256 Yes Color 60...

Страница 35: ...es Yes 98 98SE Me 2000 XP Win NT4 0WS Driver with Auto Installer Program Yes Yes Yes 98 98SE Me 2000 XP Win NT4 0WS Driver with Auto Installer Program N A ALL FB1 MFC 7420 N A N A Yes Yes Mac OS 9 1 9 2 Mac OS X 10 2 4 or greater Yes for Mac OS X and USB only Yes N A N A N A N A N A N A N A N A N A ALL FB2 MFC 7820N Yes for Mac OS X and USB only Mac OS 9 1 9 2 Mac OS X 10 2 4 or greater Yes Yes Do...

Страница 36: ...Toner Approx 2 500 pages NC 2100P Parallel external print server NC 2200w Wireless USB server NC 2100 Yes NC 2200w Yes NC 2100 No NC 2200w Yes NC 2100 No NC 2200w Yes Drum 12 000 pages 1 page job ALL FB2 MFC 7820N Toner Approx 2 500 pages NC 2100P Parallel external print server NC 2200w Wireless USB server NC 2100 Yes NC 2200w Yes NC 2100 No NC 2200w Yes NC 2100 No NC 2200w Yes Drum 12 000 pages 1...

Страница 37: ...3 6kg Weight w o Carton 9 45kg Color 8 3kg N A 432mm x 395mm x 294mm 550mm x 495mm x 500mm 550mm x 495mm x 450mm ALL DCP1 Laser ALL SparcLite 133MHz N A DCP 7010 Full N A Yes 5 8 8 5 2 75 8 5 147 3 215 9 mm 69 9 215 9 mm N A 10 32 5 degrees Centigrade 20 80 without condensation Yes Yes Yes N A up to 35 sheets Yes 1 color up to 100 sheets 5 8 8 5 2 75 8 5 147 3 215 9 mm 69 9 215 9 mm N A 10 32 5 de...

Страница 38: ...r Failure Phone Power Failure Dialing Chain Dialing Automatic Redial PBX Feature Speaker Phone Handset Volume Speaker Volume Buzzer Volume Ring Volume Hold Mute Key Music on Hold Monitoring the Line on Hold with Music One Touch Dial Speed Dial Figures of One Touch Speed Dial 460W N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A N A Max 18 sec at 73 4 F 23C N A N A N A N A N A ALL DCP2 N...

Страница 39: ...el Switch Super Fine Gray Scale Contrast Smoothing Dual Access Enhanced Remote Activate Station ID Remote Maintenance RX Mode Indication Resolution Indication Delayed Timer Polled Sending Multi Transmission Multi Resolution Transmission Next Fax Reservation Batch Transmission Call Reservation Over Auto TX Call Reservation Over Manual TX Quick Scan Memory transmission Memory Transmission ITU T Char...

Страница 40: ...ptable Media Card Slot PRINTER Color Mono Engine Type Resolution Speed ppm up to 20ppm Letter size Duplex Printing Speed ppm First Print Out Time Standard Print Language Emulation Secure Print Resident Fonts ALL DCP2 N A ALL DCP1 DCP 7010 Europe DCP 7025 up to 20ppm A4 size N A N A N A Less than 10secs HQ1200 2400x600dpi N A Windows GDI PCL Bitmap font Letter Gothic 16 66 OCR A OCR B Scalable font...

Страница 41: ... Recycled Paper Transparency Envelopes Bond paper Labels 256 9600 x 9600 dpi 600 x 300 dpi N A N A 60 105 g m2 16 28 lb 60 161 g m2 16 43 lb N A N A N A Yes 25 400 in 1 increments N A Yes Color 600 x 2400 dpi Custom Size 2 75x4 56 8 5x16 Envelope DL C5 CM10 Monarch Yes 35 True type Fonts Plain Paper Recycled Paper Transparency Envelopes Bond paper Labels N A 60 161 g m2 16 43 lb 64 90 g m2 17 24 l...

Страница 42: ...tware NetBIOS SMTP Support OS version BUNDLED SOFTWARE For MAC Printer Driver TWAIN Viewer PageManager Control Center PC Fax Sending only by Brother PC FAX Receive Remote Setup Support OS version Europe DCP 7025 N A N A N A N A N A N A Yes N A N A N A N A N A N A N A N A Yes Yes Yes N A Mac OS 9 1 9 2 Mac OS X 10 2 4 or greater Yes Yes Yes N A Yes Yes Download from Web Site Yes ALL DCP1 DCP 7010 Y...

Страница 43: ...odel Name Share Printer Share Scanner Share PC FAX Send ACCESSORY Life Yield Drum 12 000 pages 1 page job ALL DCP2 Toner Approx 2 500 pages N A N A N A N A N A NC 2100P Parallel external print server NC 2200w Wireless USB server NC 2100 Yes NC 2200w Yes NC 2100 No NC 2200w Yes N A N A N A N A N A N A N A N A ALL DCP1 DCP 7010 Drum 12 000 pages 1 page job Toner Approx 2 500 pages N A NC 2100P Paral...

Страница 44: ...Confidential CHAPTER 3 THEORY OF OPERATION ...

Страница 45: ...as locating defects for troubleshooting CONTENTS 3 1 OVERVIEW 3 1 3 2 MECHANICAL COMPONENTS 3 2 3 2 1 Scanner Mechanism 3 3 3 2 2 Printing Mechanism 3 6 3 2 2 1 Paper supply 3 6 3 2 2 2 Push up function of paper tray 3 8 3 2 2 3 Paper registration 3 10 3 2 2 4 Paper eject 3 11 3 2 2 5 Drum unit 3 11 3 2 2 6 Toner cartridge 3 12 3 2 2 7 Print process 3 15 3 2 3 Sensors and Actuators 3 18 3 3 CONTRO...

Страница 46: ...es AC LAN MFC7820N only Paper feeding mechanism Laser printing unit Provided on models supporting facsimile function Charging exposing developing transferring and heat fixing processes Electrical charger Laser unit including the polygon motor Laser sensitive drum Developer roller Transfer roller Heater roller Main motor Scanner unit ADF unit NCU Line Speaker CIS unit CIS motor ADF motor ...

Страница 47: ...er Separation roller Tail edge actuator Pressure roller Separation pad Feed roller Up plate Regist rear actuator Supply roller Developer roller Transfer roller Exposure drum Brush Paper Paper tray Pressure roller Heat roller Fixing unit Rear cover Eject roller ASSY Halogen heater Corona wire Polygon motor Blade Laser unit ...

Страница 48: ...led illustration on the next page shows the components making up the ADF document pull in roller document separation roller document feed roller ADF motor and document front and rear sensors For further details on the sensors see Section 3 2 3 Scanner base CIS rail CIS idle pulley CIS drive belt CIS unit CIS flat cable CIS drive ASSY CIS motor Scanner top cover White level reference film Document ...

Страница 49: ...ion if the document front sensor inside the ADF detects a document Separate roller shaft ASSY Separation rubber ASSY LF roller Separate roller Suction roller Pressure roller Separation roller shaft ASSY Document front actuator Document rear actuator Ejection roller ADF motor Document Document cover Pressure roller Document front actuator Document rear actuator Pressure roller ...

Страница 50: ...nder stationary document The user lifts the document cover places a page or open book face down on the glass plate and closes the document cover The CIS drive mechanism details below operates for each scanning command executed The CIS unit first moves to the white level reference film for white level compensation It then moves right scanning as it goes It returns to its home position after the sca...

Страница 51: ...ler picks up a few sheets or one sheet of paper from the paper tray every time it is rotated and feeds it to the separation roller Separation pad Pressure roller Tail edge actuator Pinch roller Regist front actuator Pinch roller Paper feed roller Feed roller Separation roller ...

Страница 52: ...he P R solenoid ASSY is activated first 5 Then the gear 52 P R is pulled by the spring extension P R so that the gears are engaged 6 The main motor drive is transmitted to the gear 52 P R and the separation roller is turned The paper drawn out of the paper tray pushes against the regist front actuator and the paper top position or absence of paper is detected by the actuator movement The tail edge...

Страница 53: ...C so that the hook B is pushed down when the link lever comes down 5 When the hook B is pushed down the catch of the hook B is released from the lock of the sector cam 6 The sector cam is rotated by approximately three quarters when the catch of the hook B is released 7 Then the sector cam is stopped rotating by the catch of the hook C The hook B and hook C is connected with the spring When the ho...

Страница 54: ...holder ASSY Paper tray Up plate gear Up plate Gear 17 Pressure plate Sector cam Hook B Hook C Link lever Hook A Hook C Hook spring Gear 13 center P R Sector cam Hook B Link lever Rotated by approx three quarters Table side Back side ...

Страница 55: ...skew is adjusted Then the F R solenoid is turned off the paper feed roller starts turning and the paper is fed to the transfer roller in the drum toner ASSY The regist rear actuator in the path from the feed roller to the transfer roller controls the first print position on the paper The printer starts transferring an image when a definite time passes after the paper is passed through the regist r...

Страница 56: ...e paper is turned by the rear cover and ejected face down into the top output tray through the eject roller ASSY 3 2 2 5 Drum unit Exposure drum Generates the latent electrostatic image and develops the image on the drum surface Primary charger Forms a uniform charge on the drum surface 1 Corona wire Generates the ion charge on the drum 2 Grid Spreads the ion charge evenly over the drum surface Tr...

Страница 57: ...88 7 397 7 721 7 982 8 198 8 380 8 534 8 668 Cartridge life Power ON OFF per job 1 957 3 297 4 272 5 014 5 597 6 067 6 455 6 780 7 056 7 293 7 500 7 681 Toner empty 5 2 500 2 500 2 500 2 500 2 500 2 500 2 500 2 500 2 500 2 500 2 500 2 500 Toner empty 4 3 125 3 125 3 125 3 125 3 125 3 125 3 125 3 125 3 125 3 125 3 125 3 125 Toner empty 3 4 167 4 167 4 167 4 167 4 167 4 167 4 167 4 167 4 167 4 167 4...

Страница 58: ...cartridge is installed into the drum unit and the drum unit is installed into the printer 2 The reset gear of the toner cartridge is contacted with the new toner actuator to push the new toner actuator 3 Then the new toner actuator pushes the new toner detection switch so that it is detected that a new toner cartridge is installed 4 When the toner cartridge is installed into the printer the reset ...

Страница 59: ...umulated number of prints with the toner cartridge The bias voltage is changed with the steps described below 1 When the new toner sensor detects that the toner cartridge is replaced with a new full one the developing bias is set to 450V initialized 2 After that the bias voltage is stepped down according to the number of prints Counter reset during indication of Toner Life End The counter resettin...

Страница 60: ...human body Applicable safety standards have been complied with Exposure stage After the drum is positively charged it is exposed to the light emitted from the laser unit Laser exposure unit 1 The laser beam radiated from a laser diode inside the laser unit are concentrated into a constant width by a slit in the CO lens cell and then reflected by a polygon mirror rotating at high speed 2 The laser ...

Страница 61: ...ged and carried from the supply roller to the developer roller The toner adheres to the developer roller and is conveyed to the exposure drum at an even thickness controlled by the blade The toner is nipped between the developer roller and the drum and developed onto the latent image on the drum The electrostatic field between the drum and the developer roller which is DC biased from the high volt...

Страница 62: ... be residual toner on the drum which will adhere to the transfer roller The transfer roller voltage changes to a positive voltage during non printing rotation of the drum Therefore the transfer roller is cleaned by returning the positively charged toner adhering to the transfer roller onto the exposure drum Fixing stage The image transferred to the paper by static electricity is fixed by heat and ...

Страница 63: ... Regist rear sensor Photo sensor High voltage PS PCB Tail edge sensor Photo sensor Regist sensor PCB New toner sensor Mechanical switch Main frame L ADF sensor PCB ASSY Photo sensor ADF unit Sensors and Actuators Locations ADF sensor PCB ASSY Main frame R Toner LED PCB Light emission Chute Regist sensor PCB Regist front sensor Tail edge sensor Cover sensor New toner sensor Regist rear sensor Toner...

Страница 64: ......

Страница 65: ...Confidential CHAPTER 4 TRANSFER OF DATA LEFT IN THE MACHINE TO BE SENT FOR REPAIR ...

Страница 66: ...to be sent for repair The service personnel should instruct end users to follow the transfer procedure given in this chapter if the machine at the user site cannot print received data due to the printing mechanism defective End users can transfer received data to another machine to prevent data loss CONTENTS 4 1 TRANSFERRING RECEIVED FAX DATA 4 1 ...

Страница 67: ... 1 NO OF JOBS appears on the LCD Press the Menu Set key and the number of received files appears just as NO OF JOBS 10 5 To transfer the activity report only press the 2 key The 2 ACTIVITY appears To transfer received files together with the activity report press the 3 key The 3 DOCUMENTS appears Note that if there is no received file the NO DOCUMENTS appears 6 To transfer the communication list f...

Страница 68: ...Confidential 4 2 Cover page sample End page sample ...

Страница 69: ...Confidential CHAPTER 5 DISASSEMBLY REASSEMBLY AND LUBRICATION ...

Страница 70: ...e specified lubricants should be applied during reassembly jobs CONTENTS 5 1 DISASSEMBLY REASSEMBLY 5 1 Safety Precautions 5 1 Tightening Torque 5 2 Preparation 5 3 How to Access the Object Component 5 3 Disassembly Flowchart 5 4 5 1 1 AC Cord 5 5 5 1 2 Drum Toner ASSY 5 5 5 1 3 Paper Tray 5 6 5 1 4 Rear Cover 5 7 5 1 5 Rear Chute Cover 5 8 5 1 6 Side Cover L 5 9 5 1 7 Side Cover R 5 10 5 1 8 ADF ...

Страница 71: ... 59 5 1 27 Regist Rear Actuator Regist Rear Spring 5 59 5 1 28 Fan Motor 60 Unit 5 60 5 1 29 Toner LED PCB ASSY LED Holder 5 61 5 1 30 New Toner Actuator New Toner Actuator Spring 5 62 5 1 31 New Toner Sensor 5 62 5 1 32 Cover Sensor 5 63 5 1 33 Toner Sensor PCB ASSY 5 63 5 1 34 Main Motor ASSY 5 64 5 1 35 Develop Joint 5 65 5 1 36 P R Solenoid ASSY 5 65 5 1 37 F R Solenoid ASSY 5 66 5 1 38 Main F...

Страница 72: ...ctricity charged in your body may damage electronic parts Before handling the PCBs touch a metal portion of the machine to discharge static electricity charged in your body When transporting PCBs be sure to wrap them in conductive sheets such as aluminum foil 5 Be sure to reinsert self tapping screws correctly if removed 6 Tighten screws to the torque values listed on the next page 7 When connecti...

Страница 73: ...w pan s p washer M3x8 2 0 59 0 05 6 0 5 Thermistor ASSY Taptite cup B M3x12 1 0 59 0 1 6 1 High voltage PS PCB Taptite bind B M4x12 2 0 78 0 1 8 1 Taptite cup S M3x6 2 0 69 0 1 7 1 Main PCB Taptite cup S M3x6 4 0 69 0 1 7 1 Taptite flat S M3x8 2 0 69 0 1 7 1 LV shield plate cover Taptite cup S M3x6 2 0 59 0 1 6 1 Screw pan s p washer M3 5x6 3 0 49 0 1 5 1 LV shield plate Taptite bind B M4x12 1 0 7...

Страница 74: ... the next page is a disassembly flowchart which helps you access the object components To remove the fixing unit for example first find it on the flowchart and note its number 5 1 17 in this case To access it you need to remove all the parts above the fixing unit on the flowchart 5 1 4 5 1 5 5 1 7 and 5 1 14 in this case before the unit itself can be removed Unless otherwise specified all parts sh...

Страница 75: ...lder Toner LED PCB ASSY LED Holder Front Cover Fixing Unit Front Cover Pickup Roller Holder ASSY Fixing Unit ADF Unit Pull Arm Pull Arm Guide Lock Claw Pull Arm Spring Scanner Unit Panel Unit NCU PCB Speaker Laser Unit Laser Unit Laser Unit New Toner Sensor Cover Sensor Toner Sensor PCB ASSY New Toner Sensor Cover Sensor Toner Sensor PCB ASSY Main PCB Tail Edge Actuator Regist Front Actuator Regis...

Страница 76: ...Confidential 5 5 5 1 1 AC Cord 1 Disconnect AC cord from the machine 5 1 2 Drum Toner ASSY 1 Open the front cover and remove the drum toner ASSY AC cord Drum toner ASSY Machine Front cover ...

Страница 77: ...er and pull out the paper tray 2 Remove the paper from the paper tray 3 Remove the separation pad holder ASSY and the separation pad spring Separation pad holder ASSY Screwdriver Hooks Separation pad spring Separation pad holder ASSY Paper tray Front cover ...

Страница 78: ...Confidential 5 7 5 1 4 Rear Cover 1 Remove the rear cover NOTE Remove the A section of the rear cover while opening the rear cover slightly Pin A Rear cover Main frame R Boss Rear cover Rear cover ...

Страница 79: ...cover 2 Remove the paper eject actuator and the eject actuator spring Boss Rear chute cover Rear chute cover Hook Paper eject actuator Rear chute cover Paper eject actuator Paper eject actuator Rear chute cover Paper eject actuator Hook 1 2 3 4 Eject actuator spring ...

Страница 80: ...5 9 5 1 6 Side Cover L 1 Open the front cover 2 Remove the two bind B M4x12 taptite screws and then remove the side cover L Hooks Taptite bind B M4x12 Front cover Machine Side cover L Hook 1 2 3 Taptite bind B M4x12 ...

Страница 81: ...Confidential 5 10 5 1 7 Side Cover R 1 Remove the two bind B M4x12 taptite screws and then remove the side cover R Taptite bind B M4x12 Taptite bind B M4x12 1 1 2 3 4 Hook Hook Side cover R Hook ...

Страница 82: ...nnectors of the ADF unit from the main PCB 4 Disconnect the two connectors of the scanner unit from the main PCB ADF unit FFC CIS Main PCB Taptite cup S M3x6 ADF FG harness FB FG harness Main PCB ADF sensor PCB connector Panel PCB connector FFC CIS connector FB motor harness ADF sensor PCB harness ADF motor harness Panel PCB harness FB motor connector ADF motor connector ...

Страница 83: ...ve the two pins and remove the ADF cover 7 Release the two hooks from the ADF cover and remove the pressure roller ASSY 8 Remove the two LF springs from the ADF cover Pressure roller ASSY LF spring LF spring ADF cover Hooks 1 1 3 2 3 Pin Pin ADF cover Scanner unit ...

Страница 84: ... Remove the two pressure rollers from the pressure roller shaft 10 Open the ADF unit 11 Release the hook to remove the gear cover from the ADF unit Pressure roller shaft Pressure roller Hook Gear cover Gear cover ADF unit ...

Страница 85: ...SSY and bushing from the ADF unit 14 Remove the four cup B M3x10 taptite screws 15 Release the three hooks A to remove the upper document chute Separate roller shaft ASSY ADF unit Taptite cup B M3x10 Hook A Hooks A Upper document chute Hooks ADF unit Separate roller bushing Rib ...

Страница 86: ...he separation rubber ASSY from the upper document chute 17 Remove the separation rubber from the ADF plate spring Separation rubber ASSY A A Upper document chute Hook Hooks ADF plate spring 1 2 3 Separation rubber ADF plate spring ...

Страница 87: ...the lower document chute NOTE When re connecting the connectors put them through the holes on the ADF unit before connecting 20 Release the hook on the ADF unit and remove the ejection roller ASSY Taptite cup B M3x10 Taptite cup B M3x10 Lower document chute Hook Hook 1 2 Ribs Hook Ejection roller ASSY ADF unit Hook ADF unit Ribs ...

Страница 88: ...5 17 21 Remove the two ejection rollers from the pressure roller shaft 22 Remove the ADF unit ejection spring from the ADF unit Pressure roller shaft Ejection roller Ejection roller ADF unit ejection spring ADF unit ...

Страница 89: ...two hooks A and remove the the ejection roller ASSY from the lower document chute 26 Release the two hooks B and remove the ejection roller bearing from the ejection roller ASSY LF roller ASSY Lower document chute Hooks Resin bearing 1 1 2 4 Hooks B Hook A Hook A Ejection roller ASSY Ejection roller bearing Lower document chute 1 3 5 6 1 5 3 2 4 ...

Страница 90: ... ASSY from the lower document chute 29 Remove the one bind S M3x6 taptite screw from the drive frame ASSY to remove the ADF motor 30 Remove the ADF motor harness from the ADF motor Lower document chute ADF FG harness Taptite cup S M3x6 Taptite cup B M3x10 Drive frame ASSY 1 2 ADF motor ADF motor harness Taptite bind S M3x6 Hook 1 2 3 Drive frame ASSY ...

Страница 91: ...n re assembling drive frame ASSY assemble it so that the arm ASSY is at the top 31 Remove the document rear actuator from the lower document chute Drive frame ASSY Arm ASSY Document rear actuator Hook Lower document chute 1 2 3 ...

Страница 92: ...nt chute 33 Release the two hooks A on the lower document chute to remove the ADF sensor PCB ASSY 34 Remove the ADF sensor harness ASSY Hook Document front actuator Lower document chute 1 2 3 ADF sensor harness ASSY Hooks A ADF sensor PCB ASSY Lower document chute Hooks 1 1 3 2 ...

Страница 93: ...cument spring from the lower document chute 38 Open the ADF unit 39 Remove the one bind B M4x12 taptite screw from the document cover sub ASSY 40 Release the hook to remove the document cover ASSY Hooks Hook Document hold Document spring 1 2 3 Document cover ASSY ADF unit Hook Taptite bind B M4x12 1 Pin Pin Lower document chute ...

Страница 94: ... Remove the two springs 42 Remove the pressure roller ASSY 43 Remove the two pressure rollers from the pressure roller shaft Pressure roller shaft Pressure rollers Pressure roller ASSY Spring Spring Document cover sub ASSY ...

Страница 95: ... taptite screws to remove the hinge ASSY L 45 Remove the hinge from the hinge arm 46 Remove the one bind B M4x12 taptite screw to remove the hinge arm Document cover sub ASSY Hinge ASSY L Taptite cup B M3x10 Hinge arm Hinge Taptite bind B M4x12 1 2 3 ...

Страница 96: ...e the hook to remove the scanner unit side of the pull arms R L 3 Remove the pull arm springs and remove the pull arms R L from the pull arm guides Scanner unit Hook Hook Pull arm L Pull arm R Pull arm R Pull arm L Pull arm spring Pull arm spring Hook Hook Pull arm guide Pull arm guide Scanner unit Machine ...

Страница 97: ...the main PCB 2 Remove the scanner unit from the machine 5 1 11 Panel Unit 1 Remove the four cup B M3x10 taptite screws from the scanner unit 2 Release the four hooks Flat cable Machine Scanner unit Hooks Hooks Panel unit Taptite cup B M3x10 Taptite cup B M3x10 Scanner unit ...

Страница 98: ...he panel unit from the scanner unit 5 Remove the LCD harness from the panel PCB 6 Release the three hooks A to remove the panel PCB from the panel cover Boss Hook A Boss Lock Lock Hook Panel cover 2 3 Hooks 1 2 3 Panel unit Panel PCB ASSY Panel harness ASSY Scanner unit Panel PCB Hook 1 Hooks A LCD harness ...

Страница 99: ...hen re assembling the rubber key make sure that the key works correctly 8 Release the two hooks A to remove the backlight guide Rubber key Panel cover Bosses Bosses Bosses Bosses Backlight guide Hook A Hook Hooks A Hooks Boss Panel cover 1 2 3 4 Boss ...

Страница 100: ...Confidential 5 29 9 Remove the diffusion film 10 Release the two hooks A to remove the LCD Diffusion film Panel cover Bosses Hooks Hooks A LCD 1 2 3 1 ...

Страница 101: ...an S P washer M3 5x6 screw from the NCU unit 2 Remove the one pan S P washer M3 5x6 screw from the NCU shield cover to remove the NCU shield plate Taptite bind B M4x12 NCU unit NCU FG harness Screw pan S P washer M3 5x6 NCU shield cover NCU shield plate Machine Screw pan S P washer M3 5x6 ...

Страница 102: ...the two cup S M3x6 taptite screws from the NCU shield cover to remove the NCU PCB ASSY 5 1 13 Speaker 1 Disconnect the connector of the speaker from the main PCB NCU shield cover NCU PCB ASSY NCU harness ASSY Taptite cup S M3x6 1 2 Main PCB Speaker connector ...

Страница 103: ... 2 Release the three hooks to remove the speaker cover 3 Release the one hook to remove the speaker hold spring Speaker cover Hooks Hook 1 2 3 4 4 1 2 2 Hook Speaker hold spring Hook Machine Machine Speaker hold spring ...

Страница 104: ...he speaker ASSY 5 1 14 Joint Cover ASSY Paper Stopper Battery ASSY 1 Remove the bind B M4x12 taptite screw and then remove the rear cover stopper Hook Hooks Speaker ASSY Machine Main frame R Rear cover stopper Taptite bind B M4x12 ...

Страница 105: ...move the inner chute NOTE Re assemble the inner chute while pushing onto the pinch roller of the inner chute with the eject roller of the joint cover ASSY Taptite bind B M4x12 Inner chute Rear chute cover spring Taptite bind B M4x12 Joint cover ASSY Eject roller Pinch roller Pinch roller Inner chute ...

Страница 106: ...e battery Do not disassemble recharge or dispose of in fire Used battery should be disposed of according to local regulations 5 Remove the four bind B M4x12 taptite screws and then remove the joint cover ASSY Hook Joint cover ASSY Taptite bind B M4x12 Hooks Taptite bind B M4x12 Hook 1 Battery ASSY Joint cover ASSY Hook 2 Taptite bind B M4x12 Hook Taptite bind B M4x12 ...

Страница 107: ...rom the front cover ASSY 2 Release the hook A on the front cover ASSY from the chute 3 Slide the front cover ASSY to the direction of the arrow shown in the figure below to remove it Hook Front cover ASSY Drive release cam Front cover ASSY Chute Hook Hook Front cover ASSY Hook Hook A ...

Страница 108: ...Confidential 5 37 4 Remove the paper stopper L 5 Remove the paper stopper S from the paper stopper L Paper stopper L Front cover Paper stopper L Paper stopper S ...

Страница 109: ... and then remove the chute base NOTE When re assembling the chute base check that the bind B M4x12 taptite screws A and B shown in the figure above are secured correctly FG harness ASSY 5 Taptite bind B M4x12 Taptite bind B M4x12 B Taptite bind B M4x12 Chute base Printer top side Printer body upside down Taptite bind B M4x12 A ...

Страница 110: ...er ASSY is 45 5 to 47 5mm by using the plate jig If not re assemble the chute base B A 47 5mm More than 47 5mm 45 5mm Less than 45 5mm Separation roller collar Floor Plate jig 47 5mm 45 5mm A is contacted with the roller B is not contacted with the roller Plate jig 45 5 to 47 5mm Pickup roller holder ASSY Separation roller Plate jig Pickup roller holder ASSY Separation roller ...

Страница 111: ... gear 52 P R 5 Remove the bush F R 6 Remove the F R roller shaft ASSY The hole of the main frame L Bush F R Hook Spring extension P R Printer top side Printer body Upside down F R roller shaft ASSY Main frame L Gear 52 P R Printer top side Printer body upside down F R roller shaft ASSY Bush F R Main frame L ...

Страница 112: ...holder ASSY NOTE The pickup roller holder spring is assembled on the bottom of the pickup roller holder ASSY Be careful not to lose the spring Pickup roller holder ASSY Chute Printer top side Printer body upside down Pickup roller holder ASSY Hook Link lever 1 2 Pick up roller holder spring Pickup roller holder ASSY ...

Страница 113: ...xing unit NOTE Be sure not to touch the pressure roller 3 Remove the two PR spring 4 Remove the pressure roller ASSY pressure roller PR arm ASSY PR bush from the fuser frame Taptite cup B M4x12 Fixing unit Taptite cup B M4x12 Heater harness 1 3 2 Thermistor harness PR arm ASSY Hook PR spring Pressure roller PR spring Hook PR arm ASSY Fuser frame A A Hook PR spring A 3 2 2 1 ...

Страница 114: ...e fuser frame and remove the four separate claw ASSYs NOTE Be careful not to damage the heat roller when removing the separate claw ASSY PR arm ASSY PR bush Pressure roller PR bush PR arm ASSY Fuser frame Heat roller Separate claw ASSY Separate claw ASSY Align the separate claw ASSY with the shape of the fuser frame to remove 1 2 ...

Страница 115: ...nfidential 5 44 7 Remove the two pan S P washer M3x8 screws 8 Remove the heat roller 9 Remove the halogen heater Screw pan S P washer M3x8 Heat roller Halogen heater Screw pan S P washer M3x8 Fuser frame ...

Страница 116: ...ring to the figure below NOTE When re assembling the halogen heater put the halogen heater onto the fuser frame so that the terminal of the heater harness is at the top and secure the screws in the order shown in the figure below HR bush Heat roller Fuser frame Halogen heater Heater harness Fuser frame 1 2 ...

Страница 117: ...m the four hooks 13 Remove the cup B M3x12 taptite screw and then remove the thermistor ASSY Heat roller HR bush Hooks HR bush HR gear Return the hook to the original position HR gear Return the hook to the original position Thermistor ASSY Taptite cup B M3x12 Hooks Hooks Fuser frame Thermistor ASSY harness ...

Страница 118: ... 5 47 NOTE When re assembling the thermistor ASSY to the fuser frame ensure the direction of the thermistor ASSY is correct referring to the figure below Fuser frame Heat roller Thermistor ASSY Taptite cup B M3x12 ...

Страница 119: ...the main PCB 3 Remove the two bind B M4x12 taptite screws and the two cup S M3x6 taptite screws 4 Remove the high voltage PS PCB from main frame L High voltage PS PCB harness Toner sensor PCB harness P R solenoid harness F R solenoid harness Main frame L Hook Taptite bind B M4x12 High voltage PS PCB Taptite cup S M3x6 Taptite bind B M4x12 1 2 High voltage PS PCB ASSY ...

Страница 120: ...ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT in Chapter 6 Main PCB Taptite flat S M3x8 Taptite cup S M3x6 Taptite cup S M3x6 FG harness ASSY 6 Main frame L 1 2 HVPS connector It has been taken back Polygon motor connector LV harness ASSY New toner sensor connector LD harness 5P connector Main PCB Speaker connector NCU connector Cover sensor connector LVPS connector Fan mot...

Страница 121: ...MENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT in Chapter 6 HVPS connector It has been taken back Main PCB Taptite flat S M3x8 Taptite cup S M3x6 Taptite cup S M3x6 FG harness ASSY 6 Main frame L 1 2 Polygon motor connector LV harness ASSY New toner sensor connector LD harness 5P Main PCB Speaker connector NCU connector Cover sensor connector LVPS connector Fan motor 60 unit conne...

Страница 122: ... 6 screws and NCU FG harness 5 Remove the two cup S M3x6 taptite screws 6 Remove the LV shield plate cover from the main frame R 7 Remove the LV insulation sheet Duct film LV shield plate cover Screws pan S P washer M3 5x6 Taptite cup S M3x6 FG harness ASSY 1 Screws pan S P washer M3 5x6 Main frame R Hook Taptite cup S M3x6 LV shield plate LV insulation sheet NCU FG harness FG harness ASSY 5 Screw...

Страница 123: ...bind B M4x12 taptite screw and then remove the LV shield plate 10 Remove the two flat S M3x8 taptite screws and then remove the inlet harness ASSY Main frame R LV shield plate Ground wire Screws pan S P washer M3 5x6 Taptite bind B M4x12 Main frame R LV shield plate Taptite flat S M3x8 Inlet harness ASSY ...

Страница 124: ...necting the connectors disconnect the regist sensor PCB connector and toner LED PCB unit ASSY connector first lift up the PS PCB unit from the LV shield plate and disconnect the main PCB connector Main frame R LV shield plate PS PCB unit Taptite cup S M3x6 Taptite cup S M3x6 PS PCB unit Toner LED PCB unit ASSY connector Regist sensor PCB connector Main PCB connector ...

Страница 125: ...ve the cup S M3x6 taptite screw A and FG harness ASSY 6 2 Remove the four cup S M3x6 taptite screws B 3 Remove the laser unit Taptite cup S M3x6 B Main frame R Taptite cup S M3x6 B FG harness ASSY 6 Main frame L Laser unit Taptite cup S M3x6 A ...

Страница 126: ...ng the laser unit replace the barcode label attached on the gear plate calking ASSY with a new one supplied with a new unit Another barcode label supplied with a new unit is spare Make sure to throw it out Filter ASSY Taptite cup S M3x6 Air duct Hook Laser unit Main frame L Gear plate calking ASSY 1 to 2 mm Barcode label 2 to 3 mm Taptite cup S M3x6 ...

Страница 127: ...Confidential 5 56 5 1 22 Sub Chute ASSY 1 Remove the two bind B M4x12 taptite screws and then remove the sub chute ASSY Chute Taptite bind B M4x12 Sub chute ASSY Taptite bind B M4x12 ...

Страница 128: ... lever NOTE When re assembling the link lever insert the end of the link lever into the main frame L referring to the figure below Link lever A Printer top side Printer body upside down 2 1 Main frame L Chute Link lever Link lever The figure seen from the left side Hook C Printer top side Printer body upside down Hook B 1 ...

Страница 129: ...25 Regist Front Actuator Regist Front Spring 1 Remove the regist front actuator with the regist front spring 2 Remove the regist front spring from the regist front actuator Tail edge actuator Tail edge spring Chute Printer top side Printer body upside down 3 4 1 2 Regist front actuator Regist front spring Chute Hook Printer top side Printer body upside down 1 2 3 ...

Страница 130: ...ove the regist sensor PCB ASSY 5 1 27 Regist Rear Actuator Regist Rear Spring 1 Remove the regist rear spring 2 Remove the regist rear actuator Taptite bind B M3x6 Regist sensor PCB ASSY Chute Hooks Printer top side Printer body upside down Regist rear spring Regist rear actuator Chute Printer top side Printer body upside down 1 2 ...

Страница 131: ... 2 Remove the base plate 3 Release the harness from the hook and then remove the fan motor 60 unit from the main frame R Taptite bind B M4x12 FG harness ASSY 1 FG harness ASSY 5 FG harness ASSY 4 Base plate Fan motor 60 unit harness Hooks Hooks Chute Main frame R Fan motor 60 unit Printer top side Printer body upside down ...

Страница 132: ...9 Toner LED PCB ASSY LED Holder 1 Remove the toner LED PCB ASSY from the main frame R 2 Remove the LED holder from the toner LED PCB ASSY Toner LED PCB ASSY 2 1 1 Pin LED holder Toner LED PCB ASSY Hook Hook Hooks Main frame R ...

Страница 133: ...ing 2 Release the hook and remove the new toner actuator from the main frame L 5 1 31 New Toner Sensor 1 Release the two hooks and remove the new toner sensor from the main frame L Main frame L New toner actuator spring New toner actuator Hook Hook Hook Main frame L New toner sensor 2 New toner sensor 1 1 ...

Страница 134: ...d remove the cover sensor from the main frame L 5 1 33 Toner Sensor PCB ASSY 1 Remove the cup B M3x6 taptite screw and then remove the toner sensor PCB ASSY Hook Cover sensor Hook 1 1 Main frame L Cover sensor 2 Main frame L Toner sensor PCB ASSY Taptite cup B M3x6 ...

Страница 135: ...te screws and then remove the gear plate calking ASSY 3 Remove the three cup S M3x6 taptite screws and then remove the main motor ASSY Main frame L Gear plate calking ASSY Taptite bind B M4x12 HVPS insulation sheet Taptite bind B M4x12 Taptite cup S M3x6 Taptite cup S M3x6 Main motor ASSY Gear plate calking ASSY ...

Страница 136: ...SY 5 1 36 P R Solenoid ASSY 1 Remove the bind B M3x10 taptite screw 2 Remove the P R solenoid ASSY the P R solenoid lever and the solenoid release spring P R P R solenoid lever Solenoid release spring P R P R solenoid ASSY Taptite bind B M3x10 Main frame L 1 2 Gear plate calking ASSY Develop joint ...

Страница 137: ...SY 1 Remove the gear ASSY from the main frame L NOTE The gear ASSY contains the small gears Be careful not to lose them by disassembling the gear ASSY Gear ASSY Main frame L Gear 40 54 F R Gear 45 arm F R Gear 17 planetary F R Gear center F R ...

Страница 138: ...ve the bind B M3x10 taptite screw 3 Remove the F R solenoid ASSY the F R solenoid lever and the solenoid release spring F R F R solenoid ASSY Taptite bind B M3x10 Main frame L F R solenoid lever Solenoid release spring F R 1 2 ...

Страница 139: ...Confidential 5 68 5 1 38 Main Frame L 1 Remove the two bind B M4x12 taptite screws and then remove the main frame L Main frame L Chute Taptite bind B M4x12 Main frame L ...

Страница 140: ...Confidential 5 69 5 1 39 Main Frame R 1 Remove the three bind B M4x12 taptite screws and then remove the main frame R Chute Main frame R Taptite bind B M4x12 Main frame R ...

Страница 141: ...5 2 Laser unit LD harness 5P Polygon motor connector FG harness ASSY 1 FG harness ASSY 1 FG harness ASSY 5 FG harness ASSY 5 Adhesion tape Hole Hole Hole Chute Binder Toner LED PCB harness Regist sensor PCB harness PS PCB harness Hole Hook Main PCB Printer top side Printer body upside down ...

Страница 142: ...dential 5 71 Laser unit FG harness ASSY 6 3 Regist sensor PCB ASSY 4 FG harness ASSY 6 Hole Hole Hook Rib Rib Hook Main PCB Chute Regist sensor PCB ASSY PS PCB unit Printer top side Printer body upside down ...

Страница 143: ...or 60 unit Fan motor 60 unit Toner LED PCB ASSY PS PCB unit Hole Hole Hole Hole Hooks Main PCB Hook Hook Hooks Printer top side Printer body upside down 5 Toner LED PCB ASSY 6 Binder FG harness ASSY 5 Regist sensor PCB harness ...

Страница 144: ...Confidential 5 73 Toner sensor PCB ASSY 7 P R solenoid ASSY F R solenoid ASSY 8 Hook Hook Hook High voltage PS PCB ASSY High voltage PS PCB ASSY F R solenoid ASSY P R solenoid ASSY Toner sensor PCB ASSY ...

Страница 145: ...al 5 74 New toner sensor Cover sensor Battery harness 9 10 Panel unit Cover sensor New toner sensor Holes Hole Hook Hook Panel PCB Panel unit Document scanner Hook Hooks Hole Main PCB Main PCB Battery harness Rib ...

Страница 146: ...ument scanner 12 Hooks Hole Hole Hole Hole Hole Hole ADF motor ADF sensor PCB ADF unit Document scanner Document scanner ADF FG harness FB FG harness FB motor harness FFC CIS harness Joint cover ASSY Joint cover ASSY Main PCB Main PCB ...

Страница 147: ...Confidential 5 76 NCU FG harness NCU PCB 13 NCU PCB Hole Main PCB NCU FG harness 14 NCU unit Hole LV shield unit NCU FG harness Joint cover ASSY ...

Страница 148: ...Confidential 5 77 15 Speaker ASSY Hook Hook Hook Ribs Rib Rib Speaker ASSY Front Main PCB Main PCB Joint cover ASSY Joint cover ASSY ...

Страница 149: ...Confidential 5 78 5 2 LUBRICATION MU4 MU4 BG4 KANTO KASEI BG MU 4 mm dia Ball PG2 PG2 PG 661 2 mm dia Ball DEV drive gear Gear plate calking ASSY Pendulum gear 22 50 Pickup roller holder ASSY ...

Страница 150: ...Confidential CHAPTER 6 ADJUSTMENTS AND UPDATING OF SETTINGS REQUIRED AFTER PARTS REPLACEMENT ...

Страница 151: ...e main PCB Function code 74 6 1 4 Check the control panel PCB for normal operation Function code 13 6 1 5 Make a sensor operation check Function code 32 6 1 6 Acquire of white level data and set the CIS scanner area Function code 55 6 1 7 Setting the serial number 6 1 8 Inputting the adjusted value of the laser scanner 6 1 9 Switch back to standby 6 1 6 2 IF YOU REPLACE THE LASER SCANNER UNIT ASSY...

Страница 152: ...te EXE file maintenance utility 2 Select Input Information from Menu Select the applicable model name 3 Check the port USB which the printer is connected through and click Serial No in the lower box Enter the serial number the last nine digits of the printer into the box at the right hand side and click the OK button The serial number is shown in the window and check that it is correct The setting...

Страница 153: ...plicable model name 3 Check the port USB which the machine is connected through 4 Select Adjust Scanner from Menu Enter the figures the last four digits shown on the label attached on the chassis at the right hand side of the main PCB into the box at the right hand side 6 3 IF YOU REPLACE THE DOCUMENT SCANNER UNIT 1 Acquire of white level data and set the CIS scanner area Function code 55 Refer to...

Страница 154: ...Confidential CHAPTER 7 CLEANING ...

Страница 155: ...Confidential CHAPTER 7 CLEANING For the cleaning procedures of the drum unit and toner cartridge refer to the User s Guide ...

Страница 156: ...Confidential CHAPTER 8 MAINTENANCE MODE ...

Страница 157: ...8 8 4 4 ADF Performance Test Function mode 08 8 9 8 4 5 Test Pattern 1 Function mode 09 8 10 8 4 6 Firmware Switch Setting and Printout 8 11 8 4 6 1 Firmware switch setting Function mode 10 8 11 8 4 6 2 Printout of firmware switch data Function mode 11 8 14 8 4 7 Operation Check of LCD Function mode 12 8 16 8 4 8 Operational Check of Control Panel PCB Function mode 13 8 17 8 4 9 Sensor Operational...

Страница 158: ...hich the machine is ready to accept entry from the keys To select one of the maintenance mode functions listed in Section 8 2 press the key or key to display any function code on the LCD Then press the Set key The details of each maintenance mode function are described in Section 8 4 NOTE MFC7420 7820N To exit from the maintenance mode and switch to standby press the 9 key twice in the initial sta...

Страница 159: ...erational Check of LCD 8 4 7 8 16 13 Operational Check of Control Panel PCB 8 4 8 8 17 32 Sensor Operational Check 8 4 9 8 18 53 Received Data Transfer Function 8 4 10 8 20 54 Fine Adjustment of Scan Start End Positions 8 4 11 8 22 55 Acquisition of White Level Data and CIS Scanner Area Setting 8 4 12 8 24 67 Paper Feeding and Ejecting Test 8 4 13 8 24 74 EEPROM Customizing 8 4 14 8 25 80 Display ...

Страница 160: ...user accessible selectors which are shaded in the firmware switch tables in Appendix 4 The service personnel should instruct end users to follow the procedure given below MFC7420 7820N 1 Press the Menu Set Start Menu Set and keys in this order TIP For the FAX models equipped with numerical keypads you may press the Menu Set Start and 0 keys instead in the same way as conventional models The MAINTE...

Страница 161: ...y several times to display the desired maintenance code on the LCD Then press the Set key 3 To make the machine return to the standby state press the Stop Exit key When each of the user accessible functions is completed the machine automatically returns to the standby state DCP7010 7020 7025 and keys Stop Exit key Start key Menu key Set key ...

Страница 162: ...f these will be initialized These will not be initialized NOTE If you replace the main PCB with the one used for any other machine carry out this procedure and then customize the EEPROM maintenance mode function code 74 in Section 8 4 14 Operating Procedure 1 MFC7420 7820N Press the 0 and 1 keys or the 9 and 1 keys according to your need in this order in the initial stage of the maintenance mode D...

Страница 163: ... code on the LCD Then press the Set key The WHITE LEVEL 1 will appear on the LCD 2 The equipment prints out the scanning compensation data list containing the following a Bright output adjustment value REFH PWM 1Byte b Illuminant adjustment value LED DATA R 1Byte c Illuminant adjustment value LED DATA G 1Byte d Illuminant adjustment value LED DATA B 1Byte e Black level MIN data 1Byte f Black level...

Страница 164: ...8 7 Confidential Scanning Compensation Data List a b c d e f g h i j k l m n q ...

Страница 165: ...see P 8 3 Operating Procedure 1 MFC7420 7820N Press the 0 and 6 keys in this order in the initial stage of the maintenance mode DCP7010 7020 7025 Press the key or key several times to display the MAINTENANCE 06 code on the LCD Then press the Set key The CIS unit moves to the designated position for transportation located at the right end The MAINTENANCE 06 is displayed until the CIS unit is placed...

Страница 166: ...ADF capacity The DOC READY will appear on the LCD 2 MFC7420 7820 Press the 0 and 8 keys in this order DCP7020 7025 Press the key or key several times to display the MAINTENANCE 08 code on the LCD Then press the Set key While counting the documents the machine feeds them in and out displaying the current count on the LCD as shown below Current count 1st page in this example 3 To return the machine ...

Страница 167: ...rvice personnel to check for record data missing or print quality Operating Procedure MFC7420 7820N Press the 0 and 9 keys in this order in the initial stage of the maintenance mode DCP7010 7020 7025 Press the key or key several times to display the MAINTENANCE 09 code on the LCD Then press the Set key The figure below shows test pattern Test Pattern ...

Страница 168: ...05 1st dial tone and busy tone detection WSW06 Redial Pause key setting and 2nd dial tone detection WSW07 Dial tone setting 1 WSW08 Dial tone setting 2 WSW09 Protocol definition 1 WSW10 Protocol definition 2 WSW11 Busy tone setting WSW12 Signal detection condition setting WSW13 Modem setting WSW14 AUTO ANS facility setting WSW15 REDIAL facility setting WSW16 Function setting 1 WSW17 Function setti...

Страница 169: ... the desired number from the firmware switch numbers 01 through 51 The following appears on the LCD Selector 1 Selector 8 WSWXX 0 0 0 0 0 0 0 0 3 Use the and keys to move the cursor to the selector position to be modified 4 Enter a value to be set 0 or 1 using the 0 and 1 keys 5 Press the Menu Set key This operation saves the newly entered selector values onto the EEPROM and readies the machine fo...

Страница 170: ...lues onto the EEPROM and readies the machine for accepting a firmware switch number 5 Repeat steps 2 through 5 until the modification for the desired firmware switches is completed 6 Press the Stop Exit key to return the machine to the initial stage of the maintenance mode NOTES To cancel this operation and return the machine to the initial stage of the maintenance mode during the above procedure ...

Страница 171: ...0 7820N Press the 1 key twice in the initial stage of the maintenance mode DCP7010 7020 7025 Press the key or key several times to display the MAINTENANCE 11 code on the LCD Then press the Set key The PRINTING will appear on the LCD 2 The machine prints out the configuration list as shown in the figure below 3 Upon completion of printing the machine returns to the initial stage of the maintenance ...

Страница 172: ...8 15 Confidential Configuration List ...

Страница 173: ...0 7820N Press the 1 key twice in the initial stage of the maintenance mode DCP7010 7020 7025 Press the key or key several times to display the MAINTENANCE 11 code on the LCD Then press the Set key The PRINTING will appear on the LCD 2 The machine prints out the configuration list as shown in the figure below 3 Upon completion of printing the machine returns to the initial stage of the maintenance ...

Страница 174: ...ber in decimal notation each time a key or button is pressed Check that the displayed number is correct by referring to the illustration below If a key or button is pressed out of order the machine beeps and displays the INVALID OPERATE on the LCD To return to the status ready to accept key button entry for operational check press the Stop Exit key 3 After the last number key or button is pressed ...

Страница 175: ...ss the Menu Set Set key If the sensing status are as listed below the LCD will show the following DFDRCV and NTMNRSTNKOFU which can be switched by pressing the Start key for machines Given below is the relationship between the LCD indication sensor names and sensor status LCD Sensors Sensing status DF Document front sensor No document detected DR Document rear sensor No document detected CV Cover ...

Страница 176: ... front cover or the document cover remove the toner cartridge jam paper at the paper outlet insert paper from the manual feeder and load a recording paper tray etc 3 Press the Stop Exit key The machine beeps for one second and return to the initial stage of the maintenance mode NOTE If you have opened and closed the front cover during the above procedure you need to open and close the front cover ...

Страница 177: ...eport only press the 2 key The 2 ACTIVITY appears To transfer received files together with the activity report press the 3 key The 3 DOCUMENTS appears Note that if there is no received file the NO DOCUMENTS appears 4 To transfer the communication list for the latest communication press the 4 key The 4 COM LIST NEW appears To transfer the communication list for last three errors press the 5 key The...

Страница 178: ...8 21 Confidential Cover page sample End page sample ...

Страница 179: ...hat of the FB unit press 2 key 3 The present compensation level for the start position appears on the LCD Compensation levels can be adjusted in 11 steps from 5 to 5 mm 4 Press the key to increase compensation levels and the key to lower them Press the Stop Exit key and the machine returns to the initial state of the maintenance mode without adjusting compensation levels 5 Press the Menu Set key T...

Страница 180: ...fidential MAINTENANCE ACCEPTED 1 ADF 2 FB SCAN START ADJ MAINTENANCE MAINTENANCE 5 and 4 select 2 second later 1 or 2 select Menu Set key Stop Exit key Stop Exit key key key 1 second later key key Menu Set key ...

Страница 181: ...ted the SCANNER ERROR appears on the LCD To return the machine to the initial stage of the maintenance mode press the Stop Exit key 8 4 13 Paper Feeding and Ejecting Test Function code 67 Function This function allows you to check that a sheet of paper is fed and ejected correctly by printing the grid pattern on a page whose interval is 1cm Operating Procedure 1 MFC7420 7820N Press the 6 and 7 key...

Страница 182: ...izing code e g 8001 in the case of MFC7820N U S A model The newly entered code appears MFC7420 7820N To enter letters A through F press the 1 through 6 keys while holding down the key respectively DCP7010 7020 7025 To enter the customizing code use the key key and Set keys The numerical value rises when press the key and falls when press the key The digit with a cursor is input when press the SET ...

Страница 183: ...nt has been made 6 Toner change count indicating how many times toner replacement has been made 7 Copy page count indicating how many copies have been made 8 PC print page count indicating how many pages the equipment has been printed as an output device of the connected PC 9 FAX page count indicating how many received FAX pages have been printed 10 Error code of the most recent machine error 1 11...

Страница 184: ...ccurred at the paper tray MN_JAM Number of jams that occurred at the manual tray IN_JAM Number of jams that occurred at the feeding RE_JAM Number of jams that occurred at the ejecting DRUM_CH Number of times the drum has been replaced DRUM_PG Number of pages printed by a drum TNER_CH Number of times the toner cartridge has been replaced TNER_PG1 Number of pages printed with the current toner cartr...

Страница 185: ...ssion log that the machine has stored about the latest transmission to the telephone line It allows the service personnel to receive the transmission log of the user s machine at a remote location and use it for analyzing problems arising in the user s machine Operating Procedure 1 If the user s machine has a transmission related problem call the user s machine at a remote location from your machi...

Страница 186: ...ered when setting the memory security mode so as not to exit from the memory security mode NOTE Carrying out this procedure will lose passwords previously entered but retain FAX messages received in the memory security mode Operating Procedure 1 When the SECURE MODE is displayed on the LCD press the Menu Set key and key together Within two seconds start to press the 2 7 9 0 and 0 keys The memory s...

Страница 187: ...Confidential CHAPTER 9 ERROR INDICATION AND TROUBLESHOOTING ...

Страница 188: ...ill help service personnel pinpoint and repair defective components CONTENTS 9 1 ERROR INDICATION 9 1 9 1 1 Equipment Errors 9 1 1 Error messages appearing on the LCD 9 1 2 Error codes shown in MACHINE ERROR X X messages 9 5 9 1 2 Communications Errors 9 11 9 2 TROUBLESHOOTING 9 15 9 2 1 Introduction 9 15 9 2 2 Precautions 9 15 9 2 3 Checking Prior to Troubleshooting 9 15 9 2 4 Troubleshooting Bas...

Страница 189: ... Cover Open The back cover is not completely closed Close the back cover of the MFC Change Drum Soon The drum unit is near the end of its life Use the drum unit until you have a print quality problem then replace the drum unit with a new one Comm Error Poor phone line quality caused a communication error Send the fax again or connect the MFC to another telephone line If the problem continues call ...

Страница 190: ... Unit is too Hot The fuser unit is too hot Fail to Warm up The fuser unit is too cold For MFC 7420 When you turn off the MFC s power switch its memory will be cleared If there are faxes you need to save them before following the suggestions below Then turn off the MFC s power switch Check the MFC s environment If it is in a location that is too hot or too cold try to cool or warm the room by turni...

Страница 191: ...er is jammed in the MFC Remove the jammed paper No Response Busy The number you dialed does not answer or is busy Verify the number and try again Not Registered You tried to access a One Touch or Speed Dial number that is not programmed Set up the One Touch or Speed Dial number Out of Memory The MFC s memory is full Fax sending or copy operation in progress Press Start to send or copy the scanned ...

Страница 192: ...Low you can still print however the MFC is telling you that toner is near end of its life and will soon run out Order a new toner cartridge now Unable to Init Initialize Unable to Print Unable to Scan The MFC has a mechanical problem OR A foreign object such as a clip or ripped paper is in the MFC For MFC 7420 Check whether the MFC has faxes in its memory If there are faxes save them Turn off the ...

Страница 193: ...mistor 6C Heater temperature exceeds the maximum high temperature 270 С or more is detected for 1sec Power supply PCB defective Replace the power supply PCB 6D Not used Halogen lamp defective Replace the halogen lamp 6E Heater temperature does not go up enough Power supply PCB defective Replace the power supply PCB Thermistor defective Replace the thermistor 6F Heater hard limiter operates Power s...

Страница 194: ...ode Hex Symptom Probable Cause Solution Thermistor in the fixing unit defective Replace the thermistor in the fixing unit PS PCB unit defective Replace PS PCB unit 76 Heater overheats Main PCB defective Replace the main PCB 77 The power supply is turned off when the error 76 or 78 occurs Poor connection in the harness of the halogen lamp Reinsert and adjust the harness Halogen lamp defective Repla...

Страница 195: ...in the paper tray or paper tray Remove the objects from the paper tray Paper pick up roller defective Replace the paper pick up roller Paper feed motor broken Replace the paper feed motor ASSY 88 Recording paper jam Even after paper pulling in operation the registration sensor is still OFF Main PCB defective Replace the main PCB Paper smaller than the specified size loaded in the paper tray Load t...

Страница 196: ... 400 cm or longer of a document is detected Document jam Remove the jammed document Document rear sensor actuator caught on the surrounding parts Correct the surrounding parts on which the actuator caught Document rear sensor broken Replace the document rear sensor A3 The document rear sensor does not come ON during document pull in operation Document jam Remove the jammed document A4 50 or more f...

Страница 197: ...eft edge detection error Not used B4 Scan area right edge detection error Not used B5 Horizontal scanning edge reduction detection error in scanning area setting Not used B6 Horizontal scanning edge enlargement detection error in scanning area setting Not used B7 A D converter reference voltage error at High level Main PCB defective Replace the main PCB B8 A D converter reference voltage error at ...

Страница 198: ...OM Main PCB defective Replace the main PCB E7 Not used CIS defective Replace the scanner cover scanner unit E8 Data scanning error during transmission Main PCB defective Replace the main PCB E9 Not used Document front sensor actuator caught on the surrounding parts Correct the surrounding parts on which the actuator caught Sensor PCB defective Replace the sensor PCB EA Document removed at phase B ...

Страница 199: ... loop current detected 11 06 Busy tone detected after dialing or called 11 07 No response from the remote station in sending 11 10 Unobtainable tone detected after dialing 17 07 No response from the calling station in receiving Available in German models only 2 Command reception Code 1 Code 2 Causes 20 01 Unable to detect a flag field 20 02 Carrier was OFF for 200 ms or longer 20 03 Abort detected...

Страница 200: ...nal 32 14 The available memory space of the remote terminal is less than that required for reception of the confidential or relay broad casting instruction 32 18 Remote terminal not equipped with color function 4 Instructions received from the remote terminal checking the NSC DTC NSS and DCS Code 1 Code 2 Causes 40 02 Illegal coding system requested 40 03 Illegal recording width requested 40 05 EC...

Страница 201: ...sword plus lower 4 digits of telephone number not coincident 63 02 Password not coincident 63 03 Polling ID not coincident 7 DCN reception Code 1 Code 2 Causes 74 DCN received 8 TCF transmission reception Code 1 Code 2 Causes 80 01 Fallback impossible 9 Signal isolation Code 1 Code 2 Causes 90 01 Unable to detect video signals and commands within 6 seconds after CFR is transmitted 90 02 Received P...

Страница 202: ...mmand detected for 60 seconds A0 18 Receive buffer full during receiving into memory A0 19 No video data to be sent A8 01 RTN PIN or ERR received at the calling terminal A9 01 RTN PIN or ERR received at the called terminal Available in German models only 11 General communications related Code 1 Code 2 Causes B0 02 Unable to receive the next page data B0 03 Unable to receive polling even during tur...

Страница 203: ...harged in your body When repairing the PCBs handle them with extra care After repairing the defective section be sure to check again if the repaired section works correctly Also record the troubleshooting procedure so that it would be of use for future trouble occurrence 9 2 3 Checking Prior to Troubleshooting Prior to proceeding to the troubleshooting procedures given in Section 9 2 4 make the fo...

Страница 204: ...he surface of the separation pad worn out Yes Replace the separation pad F 2 Wrinkles or creases User Check 1 Check that paper is loaded into the paper tray correctly 2 Check the paper used meets the recommended paper specifications Refer to 2 1 2 Paper Specifications in Chapter 2 3 Try printing using the straight through output path 4 Turn over the stack of paper in the tray or try rotating the p...

Страница 205: ... used infrequently the paper may have sat for too long in the paper tray Turn over the stack of paper in the paper tray Also try rotating the paper 180 in the paper tray 3 Check that the paper used meets the Media Type setting in the driver NOTE For no paper supplied as the cause of a malfunction see M 4 No paper supplied in 3 MALFUNCTIONS in this Chapter F 5 Paper pickup Possible cause Step Check...

Страница 206: ...river 4 Check that the printer is not connected to the same port which is also connected to a mass storage device or scanner Remove all other devices and connect the port to the printer only Turn off the printer status monitor in the device options tab in the printer driver 5 If the print port is set as an ECP port change it to a normal port 6 Try printing the test page 7 Try resetting the factory...

Страница 207: ...onnect the printer directly to the computer if it is connected through a USB hub Possible cause Step Check Result Remedy Computer Operating System 1 Windows 95 or Windows NT4 0 Yes The operating system does not support USB Computer settings 2 Does Universal Serial Bus Controllers appear in the Device Manager tab of System Properties in Control Panel No This problem can be caused by your computer s...

Страница 208: ...nder Brother International Corporation or 0x4f9 No Check the printer is turned on and the USB cable is connected correctly Check that the USB cable used is the shielded twisted pair type and 5 m or less Try to connect the printer and PC with the USB cable directly No Try to re install the printer driver Driver installation 2 Are there the following files in the Extensions Folder of System Folder F...

Страница 209: ...wer supply plug Is there a broken wire between the AC input connector of the low voltage power supply and the power plug Yes Replace the AC power cord M 2 No DC power supplied Possible cause Step Check Result Remedy AC power supply 1 Is AC power supplied between connectors CN1 L and CN1 N when the power plug is plugged into the outlet No Follow the same check procedure of M 1 No AC power supplied ...

Страница 210: ...ossible cause Step Check Result Remedy Separation pad pickup roller failure 1 Is the surface of the separation pad or the pickup roller dirty or worn out Yes 1 Clean the surface of the separation pad or pickup roller 2 Replace the separation pad or pickup roller Failure of connector 2 Is the contact of the solenoid connector on the high voltage PCB good No Reconnect the connector HVPS circuit Yes ...

Страница 211: ...N19 on the main PCB good No Reconnect the connector Blown thermal fuse 2 Remove the fixing unit and measure the resistance of the thermal fuse Is it open circuit Yes Replace the fixing unit Blown thermostat 3 Remove the fixing unit and measure the resistance of the thermostat Is it open circuit Yes Replace the fixing unit Halogen heater lamp failure 4 Remove the fixing unit and measure the resista...

Страница 212: ...it and measure the resistance of the halogen heater lamp Is it open circuit Yes Replace the halogen heater lamp Heater harness connection failure 5 Is the heater harness connector connected to the low voltage power supply PCB and fixing unit secure No Reconnect the connectors securely NOTE This problem will be cleared if leaving the printer power ON for ten minutes M 9 Main PCB failure Possible ca...

Страница 213: ... roller holder ASSY Main motor failure 3 Does the main motor work No Replace the main motor Pressure plate drive cam failure 4 Does the pressure plate drive cam rotate No Replace the main frame L ASSY M 11 The new toner is not sensed Possible cause Step Check Result Remedy The toner cartridge is not set to the main body correctly 1 The toner cartridge is not inserted completely Yes Reset the cartr...

Страница 214: ...or harness 1 Is the harness of the main motor connected No Reconnect the harness securely Disconnection of the scanner motor harness 2 Is the harness of the scanner motor connected No Reconnect the harness securely Fixing unit failure 3 Does the printer resume after opening the cover turning the power ON and leaving the printer for ten minutes No Replace the thermistor M 14 The printer stops while...

Страница 215: ...p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t ...

Страница 216: ...onnection Toner sensor failure toner cartridge side 2 Is the problem solved when 4 or 5 pages are printed after the toner cartridge is replaced with a full one Yes The wiper of the toner cartridge is defective Replace the toner cartridge Drum connection failure 3 Are all the contacts between the drum unit and printer body connected correctly No Clean contact electrodes both on the drum unit and in...

Страница 217: ...the charge electrodes between the printer body and the drum unit dirty Yes Clean both electrodes 3 Drum unit failure 2 Is the problem solved after replacing the drum unit Yes Replace the drum unit with a new one Toner cartridge failure 3 Is the problem solved after replacing the toner cartridge Yes Replace the toner cartridge with a new one High voltage power supply PCB failure 4 Is the connection...

Страница 218: ...m solved after replacing the drum unit Yes Replace the drum unit Toner cartridge failure 4 Is the problem solved after replacing the toner cartridge Yes Replace the toner cartridge with a new one Scanner harness connection failure 5 Is the scanner harness connected securely Check if there is any play in the connection No Reconnect the connector correctly Main PCB failure 6 Are printing signals bei...

Страница 219: ...een the printer body and the drum unit dirty Yes Clean both electrodes 3 Harness connection 4 Is the laser unit connected to the main PCB correctly No Connect the harness between the laser unit and the main PCB correctly High voltage power supply PCB failure 5 Is the problem solved after replacing the high voltage power supply PCB Yes Replace the high voltage power supply PCB Main PCB failure 6 Is...

Страница 220: ...tely blank sheets How to clean the pressure roller Clean the pressure roller as follows 1 Set 5 or more sheets of paper in the paper tray 2 Press the Menu Set Menu Start keys in this order so that the machine goes into the maintenance mode 3 MFC7420 7820N Press the 6 and 7 keys DCP7010 7020 7025 Enter 6 and 7 by using the and Set keys The machine starts to print the grid pattern continuously 4 Whe...

Страница 221: ...osition Dirt in the paper feed system 2 Is the paper tray or feed system on the drum unit dirty with toner Yes Clean the toner off Scratch on the drum 3 Is the drum surface scratched Yes Replace the drum unit Cleaning failure 4 Is the drum surface dirty with toner in streaks Yes Replace the drum unit Scratch on the heat roller 5 Is the surface of the heat roller scratched Yes Replace the fixing un...

Страница 222: ... disappear If not replace the toner cartridge Scratch on the heat roller 3 Are the horizontal stripes at 79mm heat roller intervals Yes Replace the heat roller Corona contact failure 4 Are the charge electrodes between the printer body and the drum unit dirty Yes Clean both electrodes 3 High voltage power supply PCB failure 5 Is the problem solved after replacing the high voltage power supply PCB ...

Страница 223: ...eral pages or leave the printer 2 hours to allow it to reach room temperature I 10 White horizontal streaks User Check 1 Check the paper used meets the recommended paper specifications A rough surfaced paper damp paper or thick media can cause the problem 2 Check that the appropriate media type is selected in the printer driver 3 The problem may disappear by itself Try printing multiple pages to c...

Страница 224: ...commended paper being used No Recommend to use the specified types of paper Print paper 3 Is the first printing position within 1mm of the tolerance specification Yes Adjust the Y offset by using the utility software supplied Regist rear sensor position incorrect 4 Is the regist rear sensor off from the correct position Yes Reposition the sensor to the correct position Drum unit failure 5 Is the r...

Страница 225: ...cing the drum unit or the toner cartridge Yes 1 Toner is empty 2 The toner sensor is defective Clean the toner sensor 3 If the wiper in the toner cartridge is broken replace the toner cartridge with a new one Fixing unit thermistor failure 3 Is the thermistor fitted correctly No Fit the thermistor correctly Low voltage power supply PCB failure 4 Is the problem solved by replacing the low voltage p...

Страница 226: ... i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n t o u t t e s t p r i n t o u t t e s t P r i n t o u t t e s t p r i n t o P r i n t o u t t e s t p r i n...

Страница 227: ...with a cotton swab Refer to NOTE in the next page 2 If the drum surface is scratched replace the drum unit Drum unit failure 2 Is the problem solved after replacing the drum unit Yes Replace the drum unit No toner 3 Is the toner in the toner cartridge almost empty Yes Replace the toner cartridge with a new one Print paper 4 Is the problem solved after changing to specified freshly unpacked paper N...

Страница 228: ...while looking at the surface of the exposure drum 3 Wipe the surface of the exposure drum with a cotton swab until the dust or paper powder on the surface comes off CAUTION Do not wipe the surface of the exposure drum with something sharp ball point pen etc Use cleaning liquid which is a 50 50 mixture of ethyl alcohol and pure water Drum unit Printing sample Position of smudge on the drum 74mm int...

Страница 229: ...wipe it off gently with a cotton swab Refer to NOTE in the previous page 2 If the exposure drum is scratched or deteriorated exposed replace the drum unit Drum connection failure 2 Is the contact between the drum unit and printer body connected correctly No Clean contact electrode both on the drum unit and in the printer body 7 Fixing unit 3 Are the spots at 79mm intervals The problem is not solve...

Страница 230: ...Remedy Ground contacts Corona failure 1 Is the wire cleaner at its home position No Return the wire cleaner to its home position 2 Corona dirty 2 Is the corona wire dirty Yes 1 Clean the corona wire 2 If the problem still appears after cleaning replace the drum unit 2 ...

Страница 231: ...unit is taken out of the machine The front cover is closed No Toner sensor failure Clean the toner sensor and check the toner sensor connection Toner cartridge failure 3 Is the problem solved after replacing the toner cartridge Yes Replace the toner cartridge Yes Replace the drum unit Drum unit failure 4 Is the problem solved after replacing the drum unit No Replace the high voltage power supply P...

Страница 232: ...lt Remedy Yes Recommend to use the specified types of paper Print paper 1 Is thick paper of more than 43lb being used or extremely rough surface paper No Refer and compare with 4 Image defect I 15 I 20 Downward fogging of solid black Possible cause Step Check Result Remedy Toner cartridge failure 1 Is the problem solved after replacing the toner cartridge Yes Replace the toner cartridge High volta...

Страница 233: ...ts I 22 Light rain Possible cause Step Check Result Remedy Ground contacts Drum unit failure 1 Is the problem solved after replacing the drum unit Yes Replace the drum unit Drum connection failure 2 Is the contact between the drum unit and printer body connected correctly No Clean contact electrode both on the drum unit and in the printer body 7 High voltage power supply PCB failure 3 Is the probl...

Страница 234: ...ck paper mode Yes 1 Change the current mode to the normal mode from the driver setting 2 Print 5 or 6 blank pages if this problem occurs Drum unit failure 2 Is the problem solved after replacing the drum unit Yes Replace the drum unit High voltage power supply PCB failure 3 Is the problem solved after replacing the high voltage power supply PCB Yes Replace the high voltage power supply PCB I 24 To...

Страница 235: ...Contacts Drum unit Printer body paper tray 2 Wire cleaner Toner cartridge 4 Developer roller 1 Exposure drum 6 Transfer roller 5 Grid 7 Cleaner 3 Charge Drum Unit 4 Developer roller 3 Charge 5 Grid 7 Cleaner 1 Exposure drum 6 Transfer roller ...

Страница 236: ...the print port is set as an ECP port change it to a normal port 7 Try printing the test page 8 Try resetting the factory settings Possible cause Step Check Result Remedy Failure inside the printer 1 Is it possible to print the test No Identify the error type and then refer to the specified section of this chapter NOTE If the printer prints garbage or incorrect fonts instruct the user to use the Tr...

Страница 237: ...rinters have a restricted area that cannot be printed on Usually the first two lines and last two lines of text cannot print leaving 62 printable lines Adjust the top and bottom margins in your document to allow for this P 5 The printer sometimes prints a couple of characters and then ejects the page User Check For DOS environment only The application printer emulation setting and the printer s em...

Страница 238: ...reen The Link LED indicates green if the print server is connected to a Ethernet network 3 Print the Printer Settings Page and check if the settings such as IP address settings are correct for your network The problem may be the result of mismatched or duplicate IP address Verify that the IP address is correctly loaded into the print server And make sure that no other nodes on the network have thi...

Страница 239: ... Make sure that the printer is powered on is on line and ready to print 2 Print the Printer Settings Page of the printer and check if the settings such as IP address settings are correct for your network The problem may be the result of mismatched or duplicate IP address Verify that the IP address is correctly loaded into the print server And make sure that no other nodes on the network have this ...

Страница 240: ...high resolution the printer is unable to accept your print job until the ongoing printing is finished If the waiting time of your print job exceeds a certain limit a time out situation occurs which causes the error message In such situations execute the print job again after the other jobs are completed Protocol specific troubleshooting Windows 95 98 Me and Windows NT 4 0 Peer to Peer print LPR tr...

Страница 241: ...P printing you may find that your firewall may not let the print data through If this is the case use a different port number port 80 or configure your Firewall to allow Port 631 data through To send a print job using IPP to a printer using Port 80 the standard HTTP port enter the following when configuring your Windows 2000 XP system http ip_address ipp Get More Info option in Windows 2000 not wo...

Страница 242: ... PCB 3 Main PCB and low voltage power supply PCB are properly connected No Fix the connection properly Harness between main PCB and low voltage power supply PCB LCD 4 Harness is damaged Yes Replace the harness with a normal part LCD 5 Replacement of LCD solves the problem Yes Replace the LCD with a normal part Control panel PCB 6 Replacement of control panel PCB solves the problem Yes Replace the ...

Страница 243: ... the problem Yes Replace the control panel PCB with a normal part Main PCB 6 Replacement of main PCB solves the problem Yes Replace the main PCB with a normal part L 3 Printing from Macintosh applications fails User Check 1 Verify that the printer driver supplied with the printer has been installed in the system folder and selected in the selector 2 Check the port selected in the selector The sele...

Страница 244: ... and NCU PCB 3 Harness is damaged Yes Replace the harness with a normal part Connection between main PCB and control panel PCB 4 Main PCB and control panel PCB are properly connected No Fix the connection properly Harness between main PCB and control panel PCB 5 Harness is damaged Yes Replace the harness with a normal part Contact of rubber key 6 The rubber key works correctly No Replace the rubbe...

Страница 245: ...y connected No Fix the connection properly Harness between main PCB and NCU PCB 4 Harness is damaged Yes Replace the harness with a normal part Connection between main PCB and control panel PCB 5 Main PCB and control panel PCB are properly connected No Fix the connection properly Harness between main PCB and control panel PCB 6 Harness is damaged Yes Replace the harness with a normal part Rubber k...

Страница 246: ...is set to 0 Yes Set the ring delay to other than 0 Ring volume 2 Ring volume is set to OFF Yes Set the ring volume to other than OFF Harness between main PCB and scanner unit 3 Harness is damaged Yes Replace the harness with a normal part Connection between main PCB and NCU PCB 4 Main PCB and NCU PCB are properly connected No Fix the connection properly Harness between main PCB and NCU PCB 5 Harne...

Страница 247: ... Fix the connection properly Harness between main PCB and control panel PCB 6 Harness is damaged Yes Replace the harness with a normal part NCU PCB 7 Replacement of NCU PCB solves the problem Yes Replace the NCU PCB with a normal part Main PCB 8 Replacement of main PCB solves the problem Yes Replace the main PCB with a normal part F 6 Dialing function does not switch between tone and pulse Possibl...

Страница 248: ...ial MFC7420 7820N DCP7010 7020 7025 APPENDIX 1 SERIAL NUMBERING SYSTEM This appendix shows the location of serial number labels put on some parts and lists the coding information pertaining to the serial numbers ...

Страница 249: ...n lists the coding information for those serial numbers and property codes 1 Serial number label for the machine itself Location Serial number 6 digit Product item code Factory Production year Example 4 2004 5 2005 Production month A January G July B February H August C March J September D April K October E May L November F June M December Serial number Serial number label ...

Страница 250: ...ates required delay amount for writing in each of main X and sub Y scanning direction Location LSU MODEL DISTINCTION ERAME MANUFACTURER AND MOLD DISTINCTION T1 THE 1st MOLD Y3 THE 3rd MOLD POLYGON MOTOR DISTINCTION INSPECTION MACHINE SERIAL NUMBER Y delay X delay Laser unit serial label ...

Страница 251: ...dix provides instructions on how to update firmware stored in the flash ROM on the main PCB or load firmware to a new main PCB from the host PC No hardware replacement is required for updating A2 1 INSTALLING THE UPDATE DATA TO THE MACHINE App 2 1 A2 2 SETTING ID CODES TO MACHINES App 2 9 ...

Страница 252: ...re that the power cord of the machine is unplugged from a wall socket or other power source 3 Connect the parallel interface cable to the parallel port on the back of the machine and secure it with the lock wires 4 Connect the other end of the interface cable to the printer port of your PC and secure it with the two screws Setting up the Machine and Your PC 1 Plug the power cord of the machine int...

Страница 253: ...he machine beeps intermittently Upon completion of the downloading the machine beeps continuously NOTE If the machine cannot return to the standby state after completion of downloading turn the power off and on On a PC running Windows 98 Me 2000 1 Install the printer driver for the parallel port to your PC Once installed no more printer driver is required for your PC 2 Copy the update data onto th...

Страница 254: ...ried out for a PC no more driver software installation will be required for that PC to identify machines If the BHL2 Maintenance Printer driver has been already installed to your PC according to this procedure skip this section NOTE Before proceeding to the procedure given below make sure that the BHL2 Maintenance Printer driver is stored in your PC 1 Make sure that the power cord of the machine i...

Страница 255: ...ollowing screen appears indicating the detection of new hardware device by the system Click Next to proceed 7 Select Search for a suitable driver for my device recommended and click Next 8 Select Specify a location and click Next ...

Страница 256: ... Select the folder where the copy of the BHL2 Maintenance Printer driver is located or click Browse to specify it then click OK This sample screen is captured on the Windows 2000 desktop 10 Click Next 11 To proceed click Yes ...

Страница 257: ...n of the driver installation if the machine exits the maintenance mode the Found New Hardware Wizard screen in step 6 appears again Click Cancel NOTE To check that the printer driver is successfully installed click Start Settings Printers to call up the Printers window as shown below and confirm that the Brother BHL2 Maintenance Printer icon is displayed ...

Страница 258: ...nto an electrical outlet The machine should show the black and white pattern on the LCD NOTE Never unplug the machine s or PC s power cord or the USB cable during writing 1 Run FILEDG32 exe The Filedrgs window will appear as shown below 2 Drag and drop the firmware e g LZ0023_A upd onto the BHL2 Maintenance Printer icon in the Filedrgs window shown above NOTE Use a firmware file after extracting I...

Страница 259: ...the Set key Again press the key several times to display 0 and press the Set key Press the Start key several times to display the firmware version In this example if A0307252244 CF30 appears it means that the downloading has been successfully finished NOTE The latest firmware will display its version on the LCD by pressing the Stop and keys at the same time 4 If downloading finishes abnormally tur...

Страница 260: ... one machine is connected to a single PC via USB Please check the printer driver of MFC7420 MFC7820N DCP7010 DCP7020 or DCP7025 is installed in a host computer before working When not installed Please install a printer driver in a host computer before working 1 Double click the brmainte EXE file maintenance utility 2 Select Input Information from Menu Select the applicable model name 3 Check the p...

Страница 261: ... lists the customizing codes for the various preferences exclusively designed for each destination e g language Those codes are stored in the memory EEPROM mounted on the main PCB If the main PCB is replaced with a new one therefore you will need to set the proper customizing codes with the machine in the maintenance mode ...

Страница 262: ...s To enter a numerical code on models having no numerical keypad press the key several times to display the numerical code to be entered and then press the Set key Repeat this operation for each numerical code The current customizing code appears e g 8001 in the case of MFC7420 U S A model 3 Enter the desired customizing code e g 0002 in the case of MFC7420 CANADA model The newly entered code appe...

Страница 263: ...e firmware switches which can be divided into two groups one is for customizing preferences designed for the shipping destination as described in Appendix 3 and the other is for modifying preferences that match the machine to the environmental conditions Use the latter group if the machine malfunctions due to mismatching ...

Страница 264: ...DIAL facility setting App 4 19 WSW16 Function setting 1 App 4 20 WSW17 Function setting 2 App 4 21 WSW18 Function setting 3 App 4 22 WSW19 Transmission speed setting App 4 23 WSW20 Overseas communications mode setting App 4 24 WSW21 TAD setting 1 App 4 25 WSW22 ECM and call waiting caller ID App 4 26 WSW23 Communications setting App 4 27 WSW24 TAD setting 2 App 4 28 WSW25 TAD setting 3 App 4 29 WS...

Страница 265: ...Internet mail settings App 4 47 WSW43 Function setting 21 App 4 47 WSW44 Speeding up scanning 1 App 4 48 WSW45 Speeding up scanning 2 App 4 49 WSW46 Monitor of power ON OFF state and parallel port kept at high App 4 50 WSW47 Switching between high and full speed USB App 4 51 WSW48 USB setup latency App 4 52 WSW49 End of copying beep and print in black App 4 52 WSW50 SDAA settings App 4 53 WSW51 Fu...

Страница 266: ... dialing mode pulse DP or tone PB dialing 0 PB 1 DP Selectors 1 and 2 Dial pulse generation mode These selectors set the number of pulses to be generated in pulse dialing N Dialing N generates N pulses Dialing 0 generates 10 pulses N 1 Dialing N generates N 1 pulses 10 N Dialing N generates 10 N pulses Selectors 3 and 4 Break time length in pulse dialing These selectors set the break time length i...

Страница 267: ...ssion time length No 1 2 0 0 70 ms 0 1 80 ms 1 0 90 ms 1 1 100 ms 3 4 Min pause in tone dialing No 3 4 0 0 70 ms 0 1 80 ms 1 0 90 ms 1 1 140 ms 5 8 Attenuator for pseudo ring backtone to the line selectable in the range of 0 15 dB in 1 dB increments 0 0 dB 1 8 dB 0 0 dB 1 4 dB 0 0 dB 1 2 dB 0 0 dB 1 1 dB Selectors 1 through 4 Tone signal transmission time length and Min pause in tone dialing These...

Страница 268: ...rs 2 through 4 6 and 7 are not applicable where no PABX is installed Selectors 1 and 5 CNG detection when sharing a modular wall socket with a telephone These selectors determine whether or not the machine detects a CNG signal when a line is connected to a telephone sharing a modular wall socket with the machine Upon detection of CNG signals by the number of cycles specified by these selectors the...

Страница 269: ...o 2 3 0 0 350 and 440 Hz A 0 1 440 and 480 Hz B 1 0 1 1 4 Dual tone detection sensitivity in ICM recording 0 Normal 1 High 5 6 Earth time length for earth function No 5 6 0 0 200 ms 0 1 300 ms 1 0 500 ms 1 1 700 ms 7 8 Break time length for flash function No 7 8 0 0 80 ms 0 1 110 ms 1 0 250 ms 1 1 500 ms NOTE Selectors 1 and 5 through 8 are not applicable in those countries where no transfer facil...

Страница 270: ...s selected for the Search Speed Dial key by using the function switch WSW05 1st dial tone and busy tone detection Selector No Function Setting and Specifications 1 3 1st dial tone detection No 1 2 3 0 0 0 3 5 sec WAIT 0 0 1 7 0 sec WAIT 0 1 0 10 5 sec WAIT 0 1 1 14 0 sec WAIT 1 0 0 17 5 sec WAIT 1 0 1 21 0 sec WAIT 1 1 0 24 5 sec WAIT 1 1 1 Detection Without WAIT 4 Max pause time allowable for rem...

Страница 271: ...D code detection This selector sets the maximum pause time allowable for detecting the second digit of a remote ID code after detection of the first digit in remote reception If selector 4 is set to 0 2 seconds for instance only a remote ID code whose second digit is detected within 2 seconds after detection of the first digit will become effective so as to activate the remote function Selectors 5...

Страница 272: ...n pulse dialing DP system 1 0 1 2nd dial tone detection 1 1 1 both in DP and push button PB dialing system 4 6 Detection of international tone No 4 5 6 0 0 0 50 ms 0 0 1 210 ms 0 1 0 500 ms 0 1 1 800 ms 1 0 0 900 ms 1 0 1 1 5 sec 1 1 0 2 0 sec 1 1 1 2 5 sec 7 No of 2nd dial tone detection cycles 0 1 cycle 1 2 cycles 8 Allowable instantaneous interrupt during reception of 2nd dial tone 0 30 ms 1 50...

Страница 273: ...sert a WAIT of 3 5 seconds When these selectors are set to 1 1 1 If you press the Redial Pause key the machine will first wait for the 2nd dial tone to be sent via the communications line regardless of pulse dialing or tone dialing After that pressing the Redial Pause key will cause the machine to insert a WAIT of 3 5 seconds In those countries where no dial tone detection function is supported se...

Страница 274: ...ion is supported e g U S A NOTE Selector 3 is not applicable to those models having no loop current detection function Selectors 1 and 2 Dial tone frequency band control These selectors set the frequency band for the 1st dial tone and busy tone before dialing to be detected This setting is effective only when selectors 1 through 3 on WSW05 are set to 1 1 1 Selector 3 Line current detection Not use...

Страница 275: ... 0 33 dBm 1 0 1 36 dBm 1 1 0 39 dBm 1 1 1 42 dBm NOTE The WSW08 is not applicable in those countries where no dial tone detection is supported e g U S A Selectors 1 through 3 1st dial tone detection time length Upon detection of the 1st dial tone for the time length set by these selectors the machine starts dialing This setting is effective only when selectors 1 through 3 on WSW05 are set to 1 1 1...

Страница 276: ...ks The error correction mode ECM is a facsimile transmission manner in which the machine divides a message into frames for transmission so that if any data error occurs on the transmission line the machine retransmits only those frames containing the error data Selector 2 Use of non standard commands If this selector is set to 0 the machine can use non standard commands the machine s native mode c...

Страница 277: ...ial digit to CML ON This selector sets the time length from when the machine transmits the last dial digit until the CML relay comes on Selector 3 Time length from CML ON to CNG transmission This selector sets the time length until the machine transmits a CNG after it turns on the CML relay Selector 4 Time length from CML ON to CED transmission This selector sets the time length until the machine ...

Страница 278: ... not applicable in those countries where no busy tone detection is supported NOTE The setting of WSW11 is effective only when selectors 5 and 6 on WSW05 are set to 0 1 or 1 1 Busy tone detection Selectors 1 and 2 Busy tone frequency band control These selectors set the frequency band for busy tone to be detected Selectors 3 through 8 ON OFF time length ranges for busy tone These selectors set the ...

Страница 279: ... 8 Not used 1000 ms in Chinese models z Selectors 1 through 4 Min detection period required for interpreting incoming calling signal CI as OFF Max detection period for incoming calling signal CI being OFF If the machine detects the OFF state of a CI signal for the period greater than the value set by selectors 1 and 2 and less than the value set by selectors 3 and 4 it interprets the CI signal as ...

Страница 280: ...hese selectors according to the distance from the telephone switchboard to the machine Selectors 3 and 4 Reception level These selectors set the optimum receive signal level Selectors 5 through 8 Modem attenuator These selectors are used to adjust the transmitting level attenuation of the modem when the reception level at the remote station is improper due to line loss This function applies for G3...

Страница 281: ...s 1 0 0 0 2 to 3 times 1 0 0 1 2 to 4 times 1 0 1 0 2 to 5 times 1 0 1 1 2 to 6 times 1 1 0 0 1 to 10 times 1 1 0 1 2 to 10 times 1 1 1 0 3 to 5 times 1 1 1 1 4 to 10 times Selectors 1 through 4 Frequency band selection for incoming calling signal CI These selectors are used to select the frequency band of CI for activating the AUTO ANS facility In the French models if the user sets the PBX to OFF...

Страница 282: ... CRP option 0 Disable 1 Enable Selectors 1 through 6 Redial interval and No of redialings The machine redials by the number of times set by selectors 3 through 6 at intervals set by selectors 1 and 2 Selector 8 CRP option If a command error occurs in the machine calling station the machine usually waits for three seconds and then makes a retry three times This CRP option is a request command that ...

Страница 283: ...equipped with ADF units Selector 2 ITU T CCITT superfine recommendation If this selector is set to 1 the machine communicates in ITU T CCITT recommended superfine mode 15 4 lines mm If it is set to 0 it communicates in native superfine mode Selector 7 Max document length limitation This selector is used to select the maximum length of a document to be sent Selector 8 Stop key pressed during recept...

Страница 284: ... These selectors activate or deactivate the alarm function which sounds an alarm when the communication is completed with the handset being off the hook Selector 5 Calendar clock type If this selector is set to 0 USA the MM DD YY hh mm format applies if it is set to 1 Europe the DD MM YY hh mm format applies DD is the day MM is the month YY is the last two digits of the year hh is the hour and mm ...

Страница 285: ...called stations Selectors 2 and 3 Detection enabled time for CNG and no tone After the line is connected via the external telephone or by picking up the handset of the machine the machine can detect a CNG signal or no tone for the time length specified by these selectors The setting specified by these selectors becomes effective only when selector 8 on WSW20 is set to 1 Selector 6 Registration of ...

Страница 286: ...e With the first transmission speed choice specified by selectors 1 through 3 the machine attempts to establish the transmission link via the MODEM If the establishment fails the machine automatically steps down to the next lowest speed and attempts to establish the transmission link again The machine repeats this sequence while stepping down the transmission speed to the last choice specified by ...

Страница 287: ...made by this selector takes effect only when the Overseas Mode is set to ON z Selectors 2 and 3 Overseas communications mode These selectors should be used if the machine malfunctions in overseas communications According to the communications error state select the signal specifications Setting selector 2 to 1 allows the machine to use 1100 Hz CED signal instead of 2100 Hz in receiving operation T...

Страница 288: ...ry after the message transfer 0 Yes 1 No NOTE Selectors 1 through 5 are applicable to models equipped with ICM recorders NOTE Selectors 6 and 7 are applicable to models with internal TADs NOTE Selector 8 is applicable to models equipped with TADs Selectors 1 through 5 Max waiting time for voice signal In the TAD mode the machine waits for voice signal for the time length specified by these selecto...

Страница 289: ...ough 8 are applicable to the Chinese Taiwanese and Asian models only Selector 3 Call Waiting Caller ID Setting this selector to 0 allows the user to decide whether or not to interrupt the current call when a new call comes in If Call Waiting Caller ID service is available in the area and the user subscribes to it he she can see information about his her incoming call on the LCD Selectors 5 through...

Страница 290: ...is detected If it is set to 1 the called station starts counting zeros upon detection of 10 ms successive zeros 50 ms after the head of a series of zeros is detected In this case if the detection of 10 ms successive zeros is too late the data counting period will become less than 1 0 second making the called station judge the line condition unacceptable Selectors 2 and 3 Allowable training error r...

Страница 291: ...d 2 Maximum OGM recording time These selectors set the allowable maximum recording time for an OGM Selectors 3 and 4 Time length from CML ON to start of pseudo ring backtone transmission These selectors set the length of time from CML ON up to the start of pseudo ring backtone transmission In models with OGM facilities the settings made by these selectors also apply to the length of time from CML ...

Страница 292: ...ec 0 0 1 4 sec 0 1 0 6 sec 0 1 1 8 sec 1 0 0 10 sec 1 0 1 12 sec 1 1 0 14 sec 1 1 1 16 sec 8 Not used NOTE Selectors 5 through 7 are applicable to the U S A models only Selectors 5 through 7 Pause between paging number and PIN These selectors set the pause time between a telephone number being paged and PIN personal identification number for the paging feature ...

Страница 293: ...omplete and then starts dialing This enables the machine to list the total number of pages in the header of the facsimile message Selectors 4 and 5 No of CNG cycles to be detected when the line is connected via the external telephone except in the external TAD mode or via the built in telephone The machine interprets a CNG as an effective signal if it detects the CNG by the number of cycles specif...

Страница 294: ...stinctive ringing pattern Not used If this selector is set to 1 the machine detects only the number of rings if it is set to 0 the machine detects the number of rings and the ringing time length to compare the detected ringing pattern with the registered distinctive one Selector 6 Recording quality This selector determines the recording quality for the OGM and ICM Selecting 1 High increases the qu...

Страница 295: ...3 dB 1 0 0 0 dB 1 0 1 1 dB 1 1 0 2 dB 1 1 1 3 dB 4 6 Transmission level of DTMF low band frequency signal No 4 5 6 0 0 0 0 dB 0 0 1 1 dB 0 1 0 2 dB 0 1 1 3 dB 1 0 0 0 dB 1 0 1 1 dB 1 1 0 2 dB 1 1 1 3 dB 7 8 Not used Selectors 1 through 6 Transmission level of DTMF high low band frequency signal These selectors are intended for the manufacturer who tests the machine for the Standard Never access th...

Страница 296: ...ontrol in pulse dialing 0 OFF 1 ON 8 Prompt beep when the memory area for the activity report becomes full 0 No 1 Yes NOTE Selectors 1 through 6 are applicable to models equipped with built in TADs NOTE Selectors 7 and 8 are applicable only to the European versions Selectors 1 through 6 Compression threshold level for voice signals inputted via the telephone line in the built in TAD operation If v...

Страница 297: ...with internal TADs Selectors 1 through 3 Dial tone busy tone detection level during recording of ICM Not used If the machine called station detects dial tone 400 Hz continuously or busy tone 400 Hz intermittently exceeding the detection level specified by these selectors for the period specified by selectors 1 through 4 on WSW35 then it interprets the calling station as being disconnected The mach...

Страница 298: ...at full size 100 without reduction if it is set to 1 the machine records it at 70 size Selector 5 Minimum ON and OFF duration of ringer signals effective in distinctive ringing The ringer pattern consists of short and long rings e g short short long rings This selector sets the minimum ON and OFF duration of ringer signals that are required for the machine to interpret ringer signals as being ON o...

Страница 299: ... 1 Photo 7 8 Default contrast No 7 8 0 X Automatic 1 0 Super light 1 1 Super dark Selectors 5 and 6 Default resolution These selectors set the default resolution which applies when the machine is turned on or completes a transaction Selectors 7 and 8 Default contrast These selectors set the default contrast which applies when the machine is turned on or completes a transaction ...

Страница 300: ...uring recording of ICM If the tone level during recording of ICM is less than the threshold setting made by these selectors the tone is interpreted as no tone When the no tone state is kept for the period specified by selectors 1 through 5 on WSW21 the machine disconnects the line Selectors 4 and 5 FAX receiving speed to be kept within the transmission speed limit to the PC To transmit FAX data be...

Страница 301: ...eceding the tone detection starting point in the case of automatic line disconnection due to no voice signal received If the machine has disconnected the line after detection of disconnection tone in ICM recording it erases tone recorded preceding the tone detection starting point for the time length set by these selectors Selectors 4 and 5 No of CNG cycles to be detected when the line is connecte...

Страница 302: ... sec 0 1 0 0 4 sec 1 1 1 1 15 sec 5 8 Not used NOTE Selectors 1 through 4 are applicable to models equipped with internal TADs Selectors 1 through 4 Max detection period of dial tone busy tone during recording of ICM If the machine called station detects dial tone or busy tone exceeding the detection level specified by selectors 1 through 3 on WSW30 for the period specified by these selectors then...

Страница 303: ...PC Interface Not used If the machine recognizes via the STB signal line that the connected PC is powered off it will turn the PC interface outputs Low to protect the PC from hazards that could be caused by weak electric current accidentally flown from the machine This selector determines whether or not the machine should recover from the inactive PC interface to normal interfacing state upon recei...

Страница 304: ...Function Setting and Specifications 1 Printout of the stored image data of an unsent document onto an error report 0 No 1 Yes 2 Erasure of the stored image data of an unsent document at the time of the subsequent in memory message transmission 0 No 1 Yes 3 8 Not used Selector 1 Printout of the stored image data of an unsent document onto an error report This selector determines whether or not to p...

Страница 305: ...ning level to be applied if the machine fails to send training due to weak line connection If these selectors are set to 0 X the modem will automatically set the appropriate training level Selector 3 Sending level of guard tone at phase 2 This selector sets the sending level of guard tone for 1800 Hz to be sent at Phase 2 in the V 34 mode Selector 4 Stepping down the transmission speed at fallback...

Страница 306: ... 1 through 8 First and last choices of transmission speed for fallback These selectors are used to set the modem speed range With the first transmission speed choice specified by selectors 1 through 4 the machine attempts to establish the transmission link via the modem If the establishment fails the machine automatically steps down to the next highest speed and attempts to establish the transmiss...

Страница 307: ...e listed on the next page The setting made by these selectors will limit the setting made by selectors 1 through 4 on WSW39 If selector 3 is set to 1 to mask the 3429 symbols second when the first transmission speed choice is 33600 bps specified by selectors 1 through 4 of WSW39 for example then the allowable maximum transmission speed will be limited to 31200 bps If selector 8 is set to 1 to mask...

Страница 308: ...00 2400 3000 4800 3429 4800 4800 7200 7200 7200 9600 9600 9600 12000 12000 12000 14400 14400 14400 16800 16800 16800 19200 19200 19200 21600 21600 21600 24000 24000 2800 4800 26400 28800 7200 28800 31200 9600 3200 4800 33600 12000 7200 14400 9600 16800 12000 19200 14400 21600 16800 24000 19200 26400 21600 24000 26400 28800 31200 ...

Страница 309: ...4 dBm 1 1 1 1 25 dBm Selectors 1 through 3 ON duration of the scanning light source at room temperature Not used If the scanning operation is started when the scanning light source is off then it will come on for scanning These selectors determine how long the light source is ON after scanning If these selectors are set to 1 1 1 the light source goes off immediately after the scanning sequence Sel...

Страница 310: ...ace WSW43 Function setting 21 Selector No Function Setting and Specifications 1 Not used 2 3 Wait time for PC Fax reception Class 2 and FPTS command transmission No 2 3 0 0 50 ms 0 1 100 ms 1 0 150 ms 1 1 0 ms 4 5 Detection time of 2100 Hz CED or ANSam No 4 5 0 0 200 ms 0 1 300 ms 1 0 400 ms 1 1 500 ms 6 Not used 7 Automatic start of remote maintenance 0 No 1 Yes 8 JPEG coding 0 Disable 1 Enable S...

Страница 311: ...min 1 1 1 30 min NOTE Selectors 6 through 8 are applicable only to models equipped with ADF units Selectors 6 through 8 Effective time length of the white level compensation data obtained beforehand Not used If you set documents in the ADF and the document front sensor detects them the controller will make correction of the reference voltage to be applied to white level compensation for document s...

Страница 312: ...position after you set them in the ADF as well as determining whether or not the ADF automatically draws in documents Selectors 4 through 6 Periodical correction intervals of the reference voltage applied to white level compensation for document scanning during standby Not used These selectors set the correction intervals in seconds of the reference voltage to be applied to white level compensatio...

Страница 313: ...at high level Not used Setting this selector to 0 will keep all parallel output pins of the machine at high level Use this setting if Resource Manager bundled with MFC models installed to WindowsNT running on the connected PC fails to monitor the power ON OFF state of the machine Selector 4 Previous filtering parameters for white level compensation Not used At the start of scanning operation the m...

Страница 314: ...e applicable only to models supporting pseudo ringing of a connected external telephone Selector 1 Handling paper at the occurrence of a paper feed timing error When feeding paper to the print start position the machine might cause a feed timing error so that the registration sensor goes ON signaling the presence of paper This selector determines whether the machine prints on the current paper or ...

Страница 315: ...rough 8 USB setup latency These selectors should not be disturbed WSW49 End of copying beep and print in black Selector No Function Setting and Specifications 1 2 Not used 3 End of copying beep 0 Yes 1 No 4 5 Command flag detection time No 4 5 0 0 150 ms 0 1 350 ms 1 0 550 ms 1 1 750 ms 6 8 Not used z Selectors 4 and 5 Command flag detection time After receiving a command flag the machine will wai...

Страница 316: ...al value specified by local regulations 1 Apply table DC5 prepared specially 4 AC impedance to be applied when the line is connected Not used 0 600Ω termination 1 ZR termination 5 6 Current control to be applied immediately after connection of the line Not used No 5 6 0 0 Standard 0 1 Increase start up current for termination 1 0 Fine current control for termination 1 1 Not used equal to 0 0 7 8 A...

Страница 317: ... Confidential WSW51 Function setting 16 Selector No Function Setting and Specifications 1 Output of communications error report when transmission verification report is disabled 0 Enable 1 Disable 2 8 Not used ...

Страница 318: ...Confidential MFC7420 7820N DCP7010 7020 7025 APPENDIX 5 WIRING DIAGRAM This appendix provides the wiring diagram that helps you understand the connections between PCBs ...

Страница 319: ...B TR 11 10 9 8 7 6 5 4 3 2 24V FAN ON CN21 12 S0V 5 0V HEAT ON P0V TNRLED PEDG_SEN 24V P0V FRONT_SEN 11 10 9 8 7 6 5 4 3 2 1 CN6 15 14 13 12 STHM 1 CN15 2 FSEN S0V RSEN 5V 3 2 1 2 1 CN4 4 11 9 BD VCC DATA GND LDHALF 4 3 2 1 CN5 5 24V 3 3V 4 3 BB B AB A STHM 1 CN15 2 3 3V Europe version only Europe Canada version only 17 VCC3 3V CN14 19 PWM VCLN SENSE HU HU HV HV FAN ON MW MW VCC GND COILU COILU CO...

Страница 320: ...ovides the circuit diagrams of the NCU PCB and power supply PCB A NCU PCB MFC7420 U S A and CANADA models NCU PCB MFC7820N U S A and CANADA models NCU PCB MFC7420 EUROPE models NCU PCB MFC7820N EUROPE models B Power Supply PCB 100V U S A and CANADA models Power Supply PCB 200V EUROPE models ...

Страница 321: ...A NCU PCB MFC7420 U S A and CANADA models Confidential ...

Страница 322: ...A NCU PCB MFC7820N U S A and CANADA models Confidential ...

Страница 323: ...A NCU PCB MFC7420 EUROPE models Confidential ...

Страница 324: ...A NCU PCB MFC7820N EUROPE models Confidential ...

Страница 325: ...B Power Supply PCB 100V U S A and CANADA models Confidential ...

Страница 326: ...B Power Supply PCB 200V EUROPE models Confidential ...

Страница 327: ...December 04 SM FAX036 2 8C5A03 Printed in Japan ...

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