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IV

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(8) Remove the two screws from each of the hinges R and L. The top cover stoppers also come

off.

n

n

Reassembling Notes

•

When setting each hinge back into place, fit its tab in section "x" provided on the main cover.

•

As illustrated on the previous page, route the scanner motor harness and grounding wire
through hooks "A1" of the top cover and through hooks "A2" of the main cover, and then fix
them with the support sponge. Route the panel-main harness and CIS harness through hooks
"B1" of the top cover and through hooks "B2" of the main cover, and then fix them with the
support sponge.

•

When connecting the scanner motor harness to the scanner motor connector, take care not to
bend the shield film.

•

Once removed, the shield film becomes unusable and a new part will have to be put back in.

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Содержание MFC-9050

Страница 1: ...FACSIMILE EQUIPMENT SERVICE MANUAL MODEL FAX2750 FAX 8050P FAX 8250P MFC4350 MFC4650 MFC6650MC MFC 9050 MFC 9550 ...

Страница 2: ...ht Brother 1998 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: ...hat the facsimile equipment is always in best condition for the customer the service personnel must adequately understand and apply this manual This manual is made up of six chapters and appendices CHAPTER I GENERAL DESCRIPTION CHAPTER II INSTALLATION CHAPTER III THEORY OF OPERATION CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION CHAPTER V MAINTENANCE MODE CHAPTER VI ERROR INDICATION AND TROUBLE...

Страница 4: ...he US Food and Drug Administration implemented regulations for laser products on August 2 1976 These regulations apply to laser products manufactured from August 1 1976 Compliance is mandatory for products marketed in the United States The label shown below indicates compliance with the CDRH regulations and must be attached to laser products marketed in the United States The label for Japanese pro...

Страница 5: ...CHAPTER I GENERAL DESCRIPTION ...

Страница 6: ...CONTENTS 1 EQUIPMENT OUTLINE I 1 1 1 External Appearance and Weight I 1 1 2 Components I 1 2 SPECIFICATIONS I 2 ...

Страница 7: ... The figure below shows the equipment appearance and approximate dimensions Weight Machine proper Approx 7 2 kg Machine incl drum unit toner cartridge Approx 8 5 kg In package Approx 12 kg 1 2 Components The equipment consists of the following major components ...

Страница 8: ...I 2 ...

Страница 9: ...on 1 Color Mono Mono Mono dpi OPT 200 x 400 600 x 600 OPT 200 x 400 600 x 600 Gray Scale 256 256 Twain Yes Yes Formats Import TIFF BMP PCX DCX BTF BTX MAX PDF TIFF BMP PCX DCX BTF BTX MAX PDF Formats Export TIFF BMP MAX PDF TIFF BMP MAX PDF ADF pages 20 2 20 2 OCR Xerox Textbridge Xerox Textbridge COPY Yes Yes dpi 203 x 391 203 x 391 Collating 99 99 Reduction Enlargement 50 75 87 93 100 120 125 15...

Страница 10: ...dpi OPT 200 x 400 600 x 600 OPT 200 x 400 600 x 600 Gray Scale 256 256 Twain Yes Yes Formats Import TIFF BMP PCX DCX BTF BTX MAX PDF TIFF BMP PCX DCX BTF BTX MAX PDF Formats Export TIFF BMP MAX PDF TIFF BMP MAX PDF ADF pages 20 2 20 2 OCR Yes Xerox Textbridge Yes Xerox Textbridge COPY Yes Yes dpi 203 x 391 203 x 391 Collating 99 99 Reduction Enlargement 50 75 87 93 100 120 125 150 200 50 75 87 93 ...

Страница 11: ...th option 1 Color Mono Mono dpi OPT 200 x 400 600 x 600 Gray Scale 256 Twain Yes Formats Import TIFF BMP PCX DCX BTF BTX MAX PDF Formats Export TIFF BMP MAX PDF ADF pages 20 2 OCR Xerox Textbridge COPY Yes less than 2ppm Yes dpi 203 x 391 203 x 391 Collating 99 99 Reduction Enlargement 50 75 87 93 100 120 125 150 200 Sorting Yes FAX Yes Yes Modem Speed bps Toshiba 3080 14 4K FAX Only Toshiba 3080 ...

Страница 12: ...es Color Mono Mono Mono dpi OPT 200 x 400 600 x 600 OPT 200 x 400 600 x 600 Gray Scale 256 256 Twain Yes Yes Formats Import TIFF BMP PCX DCX BTF BTX MAX PDF TIFF BMP PCX DCX BTF BTX MAX PDF Formats Export TIFF BMP MAX PDF TIFF BMP MAX PDF ADF pages 20 2 20 2 OCR Xerox Textbridge Yes Xerox Textbridge COPY Yes Yes dpi 203 x 391 203 x 391 Collating 99 99 Reduction Enlargement 50 75 87 93 100 120 125 ...

Страница 13: ...e Yes Yes Super Quickscan Yes Yes Mail box No No Multi Transmission No No Message Center No No OGM No No ICM Recording Time No No Paging Yes Yes Toll Saver No No Fax Voice Mail Box No No Fax Voice on Demand No No FAX Forwarding Yes Yes FAX Retrieval Yes Yes General Energy Star Compliance Yes Yes Memory Standard 2 MB 2 MB Memory Opt Upgrade 1 2 MB 1 2 MB Simultaneous Operation Available with option...

Страница 14: ...130 pages MMR Callback Message Yes Yes Super Quickscan Yes Yes Mail box No No Multi Transmission No No Message Center No Yes Hardware OGM No Yes Hardware ICM Recording Time No Hardware 20 min Paging Yes Yes Hardware Toll Saver No Yes Hardware Fax Voice Mail Box No No Fax Voice on Demand No No FAX Forwarding Yes Yes FAX Retrieval Yes Yes General Energy Star Compliance Yes Yes Memory Standard 2 MB 2...

Страница 15: ... 1 MB 100 pages MMR Max 1 3 MB 130 pages MMR Callback Message Yes Yes Super Quickscan No No Mail box No No Multi Transmission No No Message Center No No OGM No No ICM Recording Time No No Paging No No Fax Voice Mail Box No No Fax Voice on Demand No No FAX Forwarding Yes Yes FAX Retrieval Yes Yes General Memory Standard 2 MB 2 MB Memory Opt Upgrade 1 2 MB 1 2 MB Simultaneous Operation N A Available...

Страница 16: ...pages MMR Max 1 3 MB 130 pages MMR Callback Message Yes Yes Super Quickscan No No Mail box No No Multi Transmission No No Message Center No Yes Hardware OGM No Yes Hardware ICM Recording Time No Hardware 15 min Paging No Yes Hardware Fax Voice Mail Box No No Fax Voice on Demand No No FAX Forwarding Yes Yes FAX Retrieval Yes Yes General Memory Standard 2 MB 2 MB Memory Opt Upgrade 1 2 MB 1 2 MB Sim...

Страница 17: ...CHAPTER II INSTALLATION ...

Страница 18: ...CONTENTS 1 INSTALLING THE UPDATE DATA TO THE FACSIMILE EQUIPMENT II 1 ...

Страница 19: ...indows 3 1 3 11 or Windows 95 Connecting the equipment to your computer 1 Make sure that the equipment s power cord is unplugged from a wall socket 2 Make sure that your computer is powered off 3 Connect the interface cable to the parallel interface port on the back of the equipment and secure it with the lock wires 4 Connect the other end of the interface cable to the printer port of your compute...

Страница 20: ... are located If it is a floppy disk drive type A from the command line and press the ENTER key 4 Check that your computer is connected with the facsimile equipment correctly 5 To start the transfer utility transmitting the update data to the flash ROM of the facsimile equipment type the following A ICEN filename b Then press the ENTER key The equipment beeps and shows the CONNECTING on the LCD for...

Страница 21: ...CHAPTER III THEORY OF OPERATION ...

Страница 22: ...2 2 Print process mechanism III 6 1 Charging process III 7 2 Exposing process III 7 3 Developing process III 8 4 Transferring process III 8 5 Erasing process III 8 2 2 3 Heat fixing mechanism III 9 2 3 Sensors and Actuators III 10 3 CONTROL ELECTRONICS III 12 3 1 Configuration III 12 3 2 Main PCB III 13 3 3 NCU PCB III 15 3 4 Control Panel PCB III 17 3 5 Power Supply PCB III 18 1 Low voltage power...

Страница 23: ...III 1 1 OVERVIEW Not provided on the FAX 8250P MFC 9050 ...

Страница 24: ...feeding and ejecting mechanisms Print process mechanism consisting of charging exposing developing transferring and erasing processes Heat fixing mechanism n SENSORS AND ACTUATORS Document feeding and ejecting mechanism Document scanning mechanism SCANNER MECHANISM Paper ejecting mechanism Heat fixing mechanism Print process mechanism With paper feeding mechanism Paper pulling in and registration ...

Страница 25: ... feeds those documents into the equipment starting from the bottom sheet to the top page by page Each document advances with the document feed roller ASSY to the scanner and then it is fed out of the equipment with the document ejection roller ASSY 2 1 2 Scanner The scanner uses a contact image sensor CIS unit which consists of an LED array illuminating documents a self focus lens array collecting...

Страница 26: ...III 4 2 2 Laser Printing Mechanism 2 2 1 Paper pulling in registration feeding and ejecting mechanism ...

Страница 27: ...the cam profile of the pull in roller gear so as to release the clutch gear the clutch gear rotates and the pull in roller drive gear does not rotate In this way the clutch gear switches the transmission of the motor rotation to the pull in roller drive gear on and off The solenoid on off timing and the clutch release lever timing allow this mechanism to pull in a sheet and register it against the...

Страница 28: ...ess unit works with laser beam electrical charges and toner The graph below shows the transition of electrical charge on the surface of the laser sensitive drum through the five processes charging exposing developing transferring and erasing processes ...

Страница 29: ...sitive drum to approx 1000V which is kept by the varister grounding the grid to the frame 2 Exposing process When the laser sensitive drum holds a positive electrical charge the laser beam issued from the laser unit scans the drum according to the print image to expose the drum surface for neutralizing the spots where black should be forming an electrostatic latent image ...

Страница 30: ... negatively charge the transfer roller The toner is positive so the toner image formed on the drum will be transferred onto the paper according to the same principle as for the developing process If the toner image fails to stick to the paper due to paper jam or other errors it will stick to the transfer roller To repulse this toner the switch b see the above illustration is turned on to positivel...

Страница 31: ...III 9 2 2 3 Heat fixing mechanism As the paper passes between the heater roller and the pressure roller in the heat fixing unit the heater roller fuses the toner on the paper ...

Страница 32: ...ges of pages to tell the control circuitry when the leading edge of a new page has reached the starting position and when the scan for that page is over Top cover sensor which detects whether the top cover is closed Sheet feeder cover sensor which detects whether the sheet feeder cover is closed Registration sensor which detects the leading and trailing edges of paper which allows the controller t...

Страница 33: ...III 11 Not provided on the FAX 8250P MFC 9050 Location of Sensors and Actuators ...

Страница 34: ...ardware configuration of the facsimile equipment is shown below Configuration of Facsimile Equipment NOTE 1 Provided on the FAX 8250P MFC 9050 French version only MFC 9550 MFC6650MC NOTE 2 Provided on the European Australian Indonesian and Asian versions ...

Страница 35: ...equipment consists of a FAX engine ASIC memories MODEM motor drive circuitry sensor detection circuitry and analog circuits for scanning printing and power transmission shifting EEPROM Electrically Erasable Programmable Read only Memory DRAM Dynamic Random Access Memory Block Diagram of Main PCB ...

Страница 36: ...III 14 ...

Страница 37: ...III 15 3 3 NCU PCB The NCU PCB switches the communications line to telephone or built in MODEM under the control of the main PCB U S A versions ...

Страница 38: ...III 16 European versions ...

Страница 39: ...commands and data The control panel unit consists of a gate array an LCD and LEDs which are controlled by the gate array according to commands issued from the FAX engine on the main PCB The panel FPC is a flexible keyboard PCB which integrates the key matrix having rubber keytops Control Panel PCB and its Related Circuit ...

Страница 40: ...wer 5V and 24V from a commercial AC power supply for the driver circuits The 5V source is fed to the logic control panel sensors CIS unit etc The 24V source is fed to the motors solenoid fan and high voltage power supply PCB The low voltage power supply also feeds AC power to the heater of the heat fixing unit Low voltage Power Supply Circuit ...

Страница 41: ... supply PCB This power supply generates high voltage power sources from the 24V source fed from the low voltage power supply for charging developing and transferring in the laser printing process High voltage Power Supply Circuit ...

Страница 42: ...CHAPTER IV DISASSEMBLY REASSEMBLY AND LUBRICATION ...

Страница 43: ... IV 21 1 9 Handset Mount and Hook Switch PCB for models except the FAX 8250P MFC 9050 Side Cover for the FAX 8250P MFC 9050 IV 24 1 10 Heat fixing Unit FU Lamp and Paper Ejection Sensor Actuator IV 26 1 11 Laser Unit and Toner Sensor PCB IV 28 1 12 Bottom Plate IV 29 1 13 Low voltage Power Supply PCB IV 31 1 14 Main PCB IV 32 1 15 High voltage Power Supply PCB IV 35 1 16 Fan IV 36 1 17 Registratio...

Страница 44: ...TION IV 45 1 Document feed roller ASSY and document ejection roller ASSY IV 45 2 Control panel locks IV 46 3 Scanner frame ASSY and separation roller gear IV 46 4 Top cover lock spring IV 47 5 Gear drive unit IV 47 ...

Страница 45: ...ll have to be put back in 6 When using soldering irons and other heat generating tools take care not to damage the resin parts such as wires PCBs and covers 7 Before handling the PCBs touch a metal portion of the equipment to discharge static electricity otherwise the electronic parts may be damaged due to the electricity charged in your body 8 When transporting PCBs be sure to wrap them in conduc...

Страница 46: ...in 2 Hinges on top cover Taptite bind B M4x12 4 10 2 3 to 6 Hinges on main cover Taptite cup B M4x12 4 10 2 3 to 6 Handset mount Taptite cup B M3x10 2 8 2 2 to 6 Heat fixing unit Taptite bind B M4x12 1 10 2 4 to 6 Laser unit Taptite bind B M4x12 3 8 2 3 to 6 Toner sensor PCB Taptite cup B M3x8 1 6 2 3 to 5 Bottom plate Taptite bind B M4x12 7 10 2 3 to 6 Taptite cup S M3x6 3 8 2 2 to 6 AC grounding...

Страница 47: ...ension the document tray the paper tray and the drum unit with the toner cartridge loaded Not provided on the FAX 8250P MFC 9050 n n How to Access the Object Component On the next page is a disassembly order flow which helps you access the object components To remove the gear drive unit for example first find it on the flow and learn its number in this case You need to remove parts numbered and so...

Страница 48: ...IV 4 n n Disassembly Order Flow ...

Страница 49: ...n the FAX 8250P MFC 9050 French version only MFC 9550 MFC6650MC 1 As shown below push down section a of the ROM cover and tilt it to the rear 2 Take off the option cover from the rear of the main cover by removing two screws a The grounding wire also comes free ...

Страница 50: ...y harness to the main PCB and then unplug the power cord Disconnecting the battery harness with the power cord unplugged will lose the settings e g calendar clock voice messages and received FAX data stored in the RAM If you do not need to replace the battery ASSY but you will remove the main PCB in the following procedures take out the battery ASSY from its supports and put it on the main PCB wit...

Страница 51: ...op cover 3 Pull either one of the right and left tabs provided on the main cover outwards and slightly lift up the multi purpose sheet feeder then release the other end of the sheet feeder also n n Reassembling Notes When reinstalling the multi purpose sheet feeder fit the front end over the bosses provided on the main cover and then push down the rear end ...

Страница 52: ...IV 8 1 3 Document Guide Base 1 Turn up the document guide base towards you 2 Push the right or left end of the document guide base inwards and take it off ...

Страница 53: ...with your thumbs and open the control panel ASSY further arrow to unhook those arms from bosses x provided on the scanner frame ASSY Then slide the control panel ASSY to the front arrow ƒ to release its bosses y from the grooves of the scanner frame ASSY 3 Slightly lift up the control panel ASSY and disconnect the panel main harness from the control panel PCB ...

Страница 54: ...lace the anti static brush and shield film remove them NOTE Once removed the anti static brush and shield film will become unusable and new parts will have to be put back in 4 To remove the document pressure bar pull either of supports a provided on the panel rear cover outwards and then lift the pressure bar up and towards the rear to release the three tabs from the cutouts provided in the panel ...

Страница 55: ...ft it up 9 Unhook the document sensor PCB from two Y latches 10 FAX2750 MFC 8250P MFC4350 MFC 9050 MFC4650 Unhook the control panel PCB from three Z latches MFC6650MC MFC 9550 Unhook the MC PCB from W latch and then unhook the control panel PCB from three Z latches 11 Slightly lift up the control panel PCB then unlock the LCD cable connector and disconnect the LCD flat cable Next unlock the FPC ke...

Страница 56: ...fective and requires replacement n n Reassembling Notes Before reinstalling the LCD to the control panel wipe fingerprints or dust off the LCD surface and control panel window with a soft cloth A new LCD is covered with a protection sheet Before installing it remove the protection sheet To put the LCD back into place insert the tip of a flat screwdriver under clamp A from the rear push up clamp A ...

Страница 57: ...rm rib b and shift the document ejection roller ASSY to the right and upwards without removing the shield film NOTE Take care not to break the arm ribs They may easily break n n Reassembling Notes Make sure that the shield film is on the document ejection roller gear and not bent down by that gear Once removed the shield film will become unusable and new one will have to be put back in ...

Страница 58: ...IS film Shield film CIS unit shown on the next page Lightly pull up the arm move the CIS unit to the left and lift up the right edge of the CIS unit While holding up the CIS unit disconnect the CIS harness CIS leaf springs shown on the next page NOTE Once removed the CIS film and shield film will become unusable and new ones will have to be put back in ...

Страница 59: ...IV 15 2 Open the top cover 3 Disconnect the scanner motor harness from the scanner motor ASSY without removing the shield film ...

Страница 60: ...ner frame ASSY 6 Lift up the rear edge of the scanner frame ASSY to release the three pawls provided on the front end from the top cover then hold up the ASSY and disconnect the CIS harness if the CIS is mounted 7 Take off the grounding terminal by removing the screw ...

Страница 61: ...the motor clockwise to release from the latch 10 Take off the scanner grounding leaf spring by removing the screw 11 Take off the CIS shield plate by removing the screw 12 Remove the pinch roller leaf spring pinch rollers and shaft 13 Remove the control panel locks leaf springs by removing the screws ...

Страница 62: ...rrows and in this order as shown below Then remove the pressure rollers and shaft 15 Slightly push down the arm in the direction of arrow and shift the separation roller gear to the right arrow when viewed from the rear Then shift the separation roller to the right arrow ƒ and take it up ...

Страница 63: ... off the scanner drive unit by removing the two screws The separation roller gear also comes off 17 Push down the CIS side spring to release it from the latch then pull it out to the right when viewed from the rear ...

Страница 64: ...oute the panel main harness through the cutout provided in the scanner frame ASSY When reinstalling the CIS unit first connect the CIS harness insert the left end under the arm of the scanner frame put the CIS unit into the scanner frame and move it to right see the illustration given on page IV 15 When attaching the CIS film align the right left and rear edges of the cutout with those provided in...

Страница 65: ... one of two screws from each of right and left top cover stoppers and then fully open the top cover 3 Pull the panel main harness and CIS harness towards you 4 Remove the adhesive tape and pull the scanner motor harness and grounding wire towards you ...

Страница 66: ...e four screws from the hinges R and L 6 Slightly lift up the top cover to release the bosses from the hinges and take it off to the rear 7 Remove the harness support sponges and take out the harnesses from the top cover ...

Страница 67: ...rounding wire through hooks A1 of the top cover and through hooks A2 of the main cover and then fix them with the support sponge Route the panel main harness and CIS harness through hooks B1 of the top cover and through hooks B2 of the main cover and then fix them with the support sponge When connecting the scanner motor harness to the scanner motor connector take care not to bend the shield film ...

Страница 68: ...ully open the top cover 3 Remove the two screws from the handset mount or side cover 4 Twist the handset mount or side cover so that it tilts over to the left and its upper end works out of the bosses provided on the main cover NOTE Do not pull the handset mount away from the main cover The hook switch harness is connected to the main PCB in the main cover For models except the FAX 8250P MFC 9050 ...

Страница 69: ...tch PCB ASSY by unhooking latch b 7 Disconnect the hook switch harness from the hook switch PCB n n Reassembling Notes When assembling the upper and lower handset mounts route the hook switch harness underneath the hook switch PCB and through the cutout as shown above Take care not to pinch the harness between the upper and lower mounts ...

Страница 70: ...ully open the top cover 3 Remove screw a 4 Lift the left end of the heat fixing unit up and to the left to release the right hand boss from the main cover hold it up and disconnect the heater harness of the blue and brown heater wires Then disconnect the heater thermister harness from the EL eraser lamp board 5 Remove the paper ejection sensor actuator from the main cover ...

Страница 71: ... lock plate of the FU lamp between your fingers and pull out the FU lamp from the heater roller CAUTION Do not touch the FU lamp If you have touched it clean it thoroughly with alcohol n n Reassembling Notes When setting the FU lamp into the heat fixing unit be sure to insert the right edge of the wire into the folded lock plate A new heat fixing unit will be provided with the heater thermister ha...

Страница 72: ...gon motor flat cable NOTE When handling the laser unit take care not to touch the inside of the unit glass or mirror NOTE On the small PCB at the right side of the laser unit is a 2 pin connector which is for the adjustment in the factory Do not disturb it n n Reassembling Notes Before putting the laser unit back into place check for any toner particles paper dust or dirt and clean them out When i...

Страница 73: ...pment upside down 2 Remove two screws b from the interface connector 3 Remove seven screws c and three screws d from the bottom plate 4 Slightly lift up the bottom plate then take off the AC cord bushing and remove screw e from the grounding terminal ...

Страница 74: ...utout of the bottom plate and fit the holes over the bosses of the main cover First tighten screws b interface connector screws and then tighten screws c and d Once removed the spacer will become unusable and new one will have to be put back in When replacing the bottom plate with a new one be sure to attach a new spacer to the new bottom plate as specified below ...

Страница 75: ...B 2 Slightly lift up the low voltage power supply PCB and disconnect it from the main PCB 3 Disconnect the heater harness of the blue and brown wires from the low voltage power supply PCB n n Reassembling Notes Be sure to route the heater harness through the three wire guides as illustrated above ...

Страница 76: ...o make settings e g calendar clock and voice messages to be stored in the RAM If you need to replace the battery ASSY do not disconnect the harness in this disassembly step Doing so with the power cord unplugged will lose the settings stored in the RAM Refer to Section 1 1 n n Reassembling Notes Route the hook switch harness red solenoid harness blue and main motor harness through three latches w ...

Страница 77: ...IV 33 1 Provided on the FAX 8250P MFC 9050 French version only MFC6650MC MFC 9550 2 Provided on the on the European Australian Indonesian and Asian versions 3 Not provided on the FAX 8250P MFC 9050 ...

Страница 78: ...IV 34 Setting up the main PCB after replacement ...

Страница 79: ...from the high voltage power supply PCB n n Reassembling Notes Before reinstalling the high voltage power supply PCB check the high voltage contacts for any toner particles paper dust or dirt and clean them out Be sure to route the drum grounding harness through boss x and latches y and z When putting the high voltage power supply PCB back into place first fit the cutout provided in the PCB over a ...

Страница 80: ...ightly lift up the main PCB and disconnect the fan harness from the main PCB 3 Take out the fan support 4 Pull up the fan n n Reassembling Notes Put the fan back into place with the non sponge end facing up and with the label side facing outwards Route the fan harness through the harness guide as shown above ...

Страница 81: ... the registration sensor actuator sheet feeder cover sensor actuator and top cover sensor actuator 1 18 Speaker 1 Pull the speaker spring inwards and pull up the speaker n n Reassembling Notes Put the speaker into place with its harness facing to the front Route the speaker harness through the latch as shown above ...

Страница 82: ...IV 38 1 19 Gear Drive Unit 1 Make sure that the heat fixing unit is removed 2 Remove the three screws from the gear drive unit 3 Lift the gear drive unit up and out of the main cover ...

Страница 83: ... remove three screws y Motor cover Main motor Motor bracket y y Solenoid lever Clutch release lever Solenoid spring Clutch spring Solenoid spring Clutch release lever Solenoid lever Gear drive unit y Paper feed solenoid Pull in roller drive gear Intermediate gear Clutch gear Planetary gear system Gear 20 94 x Taptite cup S M3x8 Taptite cup B M4x20 ...

Страница 84: ...wer supply PCB and gear drive unit are removed 2 Remove the screw from the NCU bracket 3 Slightly lift up the NCU bracket which holds the NCU PCB and then disconnect the NCU harness from the NCU PCB Provided on the European Australian Indonesian and Asian versions ...

Страница 85: ...Australian Indonesian and Asian versions First bind the NCU harness and NCU harness 2 together with the ferrite core NF 80 so that the NF 80 comes near to the binder on the NCU harness 2 as shown above and connect those harnesses to the main PCB Then hook them to the two latches and route them between the two bosses as illustrated on the previous page Other versions Hook the NCU harness to the two...

Страница 86: ...grounding plate and bottom plate 3 You may peel off the anti static brush from the scanner grounding plate n n Reassembling Notes Once removed the anti static brush will become unusable and new one will have to be put back in Before attaching a new anti static brush onto the scanner grounding plate wipe the surface of the attaching place with a cloth dampened with alcohol When reinstalling the sca...

Страница 87: ...ake sure that the EL board harness is disconnected from the high voltage power supply PCB Refer to Section 1 15 2 Make sure that the heat fixing unit is removed 3 Peel off the EL board from the main cover and clear adhesive tape if remaining n n Reassembling Notes When attaching a new EL board bring the right end into contact with the boss provided on the main cover ...

Страница 88: ...High voltage Contacts and Grounding Contacts If any toner particles paper dust or dirt are on the contacts clean them out This will ensure that power flows correctly to enable printing Grounding contacts High voltage contacts ...

Страница 89: ...ubricant amount Thin coat of grease 1 mm 3 Half of a rice sized pinch of grease 3 mm 3 Rice sized pinch of grease 6 mm 3 Molykote EM 30LG or EM 30L Dow Corning Conductive grease FLOIL GE676 Kanto Kasei Ltd 1 Document feed roller ASSY and document ejection roller ASSY Lubricant type Manufacturer ...

Страница 90: ...IV 46 2 Control panel locks 3 Scanner frame ASSY and separation roller gear ...

Страница 91: ...IV 47 4 Top cover lock spring 5 Gear drive unit ...

Страница 92: ...CHAPTER V MAINTENANCE MODE ...

Страница 93: ... 5 3 3 ADF Performance Test V 7 3 4 Test Pattern 1 V 8 3 5 Firmware Switch Setting and Printout V 9 3 6 Operational Check of LCD V 51 3 7 Operational Check of Control Panel PCB V 51 3 8 Sensor Operational Check V 54 3 9 CIS Scanner Area Setting V 55 3 10 EEPROM Customizing V 55 3 11 Equipment Error Code Indication V 56 3 12 Output of Transmission Log to the Telephone Line V 56 3 13 Cancellation of...

Страница 94: ...in which the equipment is ready to accept entry from the keys To select one of the maintenance mode functions listed in Section 2 enter the corresponding 2 digit function code with the numerical keys on the control panel The details of each maintenance mode function are described in Section 3 NOTES Pressing the 9 key twice in the initial stage of the maintenance mode makes the equipment exit from ...

Страница 95: ...intout of Firmware Switch Data 3 5 V 50 12 Operational Check of LCD 3 6 V 51 13 Operational Check of Control Panel PCB Check of Keys and Buttons 3 7 V 51 14 15 32 Sensor Operational Check 3 8 V 54 55 CIS Scanner Area Setting 3 9 V 55 74 EEPROM Customizing 3 10 V 55 82 Equipment Error Code Indication 3 11 V 56 87 Output of Transmission Log to the Telephone Line 3 12 V 56 91 EEPROM Parameter Initial...

Страница 96: ...sible selectors which are shaded in the firmware switch tables in Subsection 3 5 The service personnel should instruct end users to follow the procedure given below 1 FAX2750 MFC4350 MFC4650 MFC6650MC Press the Function and Mode keys in this order FAX 8250P MFC 9050 MFC 9550 Press the Menu and Mode keys in this order The LCD clears the current display NOTE The Mode key is inoperable during standby...

Страница 97: ...ion registration One touch dialing Speed dialing Group dialing initialized These will not be initialized EEPROM customizing code 4 digit This will not be initialized Note that the first digit of the 4 digit code will be initialized to 0 If the code is 1001 for example it will be initialized to 0001 NOTE If you replace the main PCB with one used for other facsimile equipment carry out this procedur...

Страница 98: ...tial stage of the maintenance mode The WHITE LEVEL 1 will appear on the LCD 2 The equipment prints out the scanning compensation data list containing the following a 2 value quantization white level data 208 bytes b 2 value quantization black level data 1 byte c LED light intensity value 2 value quantization LED light intensity value and photo mode LED light intensity value 3 bytes d 2 value quant...

Страница 99: ...V 6 Scanning Compensation Data List ...

Страница 100: ...s Allowable up to the ADF capacity The DOC READY will appear on the LCD 2 Press the 0 and 8 keys in this order While counting the documents the equipment feeds them in and out displaying the current count on the LCD as shown below Current count 1st page in this example 3 After showing the final count the equipment beeps for one second To return the equipment to the initial stage of the maintenance...

Страница 101: ...function prints out test pattern 1 to allow the service personnel to check for record data missing or print quality n n Operating Procedure Press the 0 and 9 keys in this order in the initial stage of the maintenance mode The figure below shows test pattern 1 Test Pattern 1 ...

Страница 102: ... WSW06 Pause key setting and 2nd dial tone detection V 18 WSW07 Dial tone setting 1 V 20 WSW08 Dial tone setting 2 V 21 WSW09 Protocol definition 1 V 22 WSW10 Protocol definition 2 V 23 WSW11 Busy tone setting V 24 WSW12 Signal detection condition setting V 25 WSW13 Modem setting V 26 WSW14 AUTO ANS facility setting V 27 WSW15 REDIAL facility setting V 28 WSW16 Function setting 1 V 29 WSW17 Functi...

Страница 103: ...to the EEPROM and readies the equipment for accepting a firmware switch number 6 Repeat steps 2 through 5 until the modification for the desired firmware switches is completed 7 Press the Set or Stop key to return the equipment to the initial stage of the maintenance mode NOTES To cancel this operation and return the equipment to the initial stage of the maintenance mode during the above procedure...

Страница 104: ... 1 No 8 Default dialing mode pulse DP or tone PB dialing 0 PB 1 DP l 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 l Selectors 3 and 4 Break time length in pulse dialing These selectors set the ...

Страница 105: ...mission 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 0 0 dB 1 8 dB 0 0 dB 1 4 dB 0 0 dB 1 2 dB 0 0 dB 1 1 dB l Selectors 1 through 4 Tone signal transmission time length and Min pause in tone dialing These selectors set ...

Страница 106: ...TE Selectors 2 through 4 and 6 through 8 are not applicable where no PABX is installed l Selectors 1 and 5 CNG detection when sharing a modular wall socket with a telephone These selectors determine whether or not the equipment detects a CNG signal when a line is connected to a telephone sharing a modular wall socket with the equipment Upon detection of CNG signals by the number of cycles specifie...

Страница 107: ...dialing after the specified WAIT 3 5 5 0 or 7 0 sec without detection of a dial tone when a line is connected l Selector 8 R key function This selector determines whether or not the 1st dial tone detection function specified by selectors 1 through 3 of WSW05 is added to the R key If this selector is set to 0 pressing the R key automatically activates the 1st dial tone detection function when the P...

Страница 108: ...rth function is added to the transfer setting menu to be accessed by the function switch l Selectors 2 and 3 Dual tone detection frequency in ICM recording If the equipment detects both of the frequencies set by these selectors in ICM recording it will disconnect the line For example if these selectors are set to 0 0 the equipment will disconnect the line upon detection of 350 Hz and 440 Hz l Sele...

Страница 109: ...nnected to the PSTN Setting all of these selectors to 1 activates the dial tone detection function so that the equipment starts dialing upon detection of a dial tone when a line is connected However in those countries which support no dial tone detection function e g in the U S A setting these selectors to 1 makes the equipment start dialing after a WAIT of 3 5 seconds For the detecting conditions...

Страница 110: ... disconnect the line Setting selectors 5 and 6 to 0 and 1 respectively makes the equipment detect a busy tone only after dialing and disconnect the line Setting both of selectors 5 and 6 to 1 makes the equipment detect a busy tone before and after dialing and then disconnect the line l Selector 7 Busy tone detection in automatic receiving mode This selector determines whether or not the equipment ...

Страница 111: ...y in 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 times 0 Once 1 Twice 8 2nd dial tone interrupt detecting time 0 30 ms 1 50 ms NOTE Selectors 4 through 8 ar...

Страница 112: ...ved within the specified time length set by WSW08 the equipment will disconnect the line if in automatic dialing or it will start transmitting the dial signal if given after depression of the Pause key in hook up dialing In those countries where no dial tone detection function is supported setting these selectors to 1 0 1 1 1 0 or 1 1 1 inserts a WAIT of 3 5 seconds l Selectors 4 through 6 Detecti...

Страница 113: ... current detection is supported e g U S A l l Selectors 1 and 2 Frequency band range These selectors set the frequency band for the 1st dial tone and the busy tone before dialing to be detected This setting is effective only when selectors 1 through 3 of WSW05 are set to 1 1 1 l Selector 3 Line current detection This selector determines whether or not the equipment should detect a line current bef...

Страница 114: ...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 l 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 equipment starts dialing This setting is effective only when selectors 1 through 3 of WSW05 are set to 1 1 1 l Selec...

Страница 115: ...ssage into 64 octet frames Remarks The error correction mode ECM is a facsimile transmission manner in which the equipment divides a message into frames for transmission so that if any data error occurs on the transmission line the equipment retransmits only those frames containing the error data l Selector 2 Use of non standard commands If this selector is set to 0 the equipment may use non stand...

Страница 116: ...CML ON OFF operation l Selector 2 Time length from transmission of the last dial digit to CML ON This selector sets the time length from when the equipment transmits the last dial digit until the CML relay comes on l Selector 3 Time length from CML ON to CNG transmission This selector sets the time length until the equipment transmits a CNG after it turns on the CML relay l Selector 4 Time length ...

Страница 117: ... those countries where no busy tone detection is supported NOTE The setting of WSW11 is effective only when selectors 5 and 6 of WSW05 are set to 0 1 or 1 1 Busy tone detection l Selectors 1 and 2 Frequency band range These selectors set the frequency band for busy tone to be detected l Selectors 4 through 8 ON OFF time length ranges These selectors set the ON and OFF time length ranges for busy t...

Страница 118: ... Ci If the equipment detects the OFF state of calling signal Ci for a time length which is 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 OFF l Selectors 5 and 6 Detecting time setting These selectors set the time length required to make the equipment acknowledge itself to be called That is if the equipment continuous...

Страница 119: ...als on a line Attenuation in the high band frequency is greater than in the low band frequency Set these selectors according to the distance from the telephone switchboard to the facsimile equipment l Selectors 3 and 4 Reception level These selectors set the optimum receive signal level l Selectors 5 through 8 Modem attenuator These selectors are used to adjust the transmitting level of the modem ...

Страница 120: ...imes 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 l Selectors 1 through 4 Frequency band selection These selectors are used to select the frequency band of calling signals for activating the AUTO ANS facility In the French versions if the user sets the PBX to OFF from the control panel the setting made by selectors...

Страница 121: ... used NOTE Selector 7 is not applicable to the U S A Belgian and Swiss versions l Selectors 1 through 6 Selection of redial interval and No of redialings The equipment redials by the number of times set by selectors 3 through 6 at intervals set by selectors 1 and 2 This setting is effective only when selector 7 is set to 0 l Selectors 7 Redialing for no response sent from the called terminal This ...

Страница 122: ...T superfine recommendation If this selector is set to 1 the equipment communicates in CCITT recommended superfine mode 15 4 lines mm If it is set to 0 it communicates in native superfine mode l Selector 7 Max document length limitation This selector is used to select the maximum length of a document to be sent l Selector 8 Stop key pressed during reception If this selector is set to 1 pressing the...

Страница 123: ...ing off the hook l Selector 3 Power failure report output This selector determines whether or not the equipment outputs a power failure report when the power comes back on l Selector 4 Calendar clock prompt alternate display If this selector is set to 1 the calendar clock and the prompt INSERT DOCUMENT appear alternately on the LCD while the equipment is on standby if it is set to 0 only the calen...

Страница 124: ...lectors 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 facsimile equipment the equipment 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 of WSW20 is set to 1 l Selector 6 Registration of st...

Страница 125: ...llback These selectors are used to set the MODEM speed range With the first transmission speed choice specified by selectors 1 through 3 the equipment attempts to synchronize the data transmission via the MODEM If the synchronization fails the equipment automatically steps down to the next lowest speed and attempts to synchronize the data transmission again The equipment repeats this sequence whil...

Страница 126: ... facsimile equipment malfunctions in overseas communications According to the communications error state select the signal specifications Setting selector 2 to 1 allows the equipment to use 1100 Hz CED signal instead of 2100 Hz in receiving operation This prevents malfunctions resulting from echoes since the 1100 Hz signal does not disable the echo suppressor ES while the 2100 Hz signal does Setti...

Страница 127: ...ectors 6 through 8 are applicable to those models equipped with a built in TAD l l Selectors 1 through 5 Max waiting time for voice signal In the TAD mode the equipment waits for voice signal for the time length specified by these selectors before it automatically shifts to the facsimile message receive mode or disconnects the line l l Selectors 6 and 7 Two way recording These selectors select the...

Страница 128: ...applicable to the Chinese Taiwanese and Asian versions only l l 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 l l Selectors 5 through 8 Acceptabl...

Страница 129: ...nting zeros 100 ms after the head of a series of zeros 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 un...

Страница 130: ... ICM OGM to the line Selectable from the range of 0 15 dB 0 0 dB 1 8 dB 0 0 dB 1 4 dB 0 0 dB 1 2 dB 0 0 dB 1 1 dB NOTE Selectors 1 2 and 5 through 8 are applicable to those models equipped with a built in TAD l Selectors 1 and 2 Maximum OGM recording time These selectors set the allowable maximum recording time for an OGM l Selectors 3 and 4 Time length from CML ON to start of pseudo ring backtone...

Страница 131: ...and 2 Delay time for starting detection of voice signal These selectors take effect only in TAD mode when the external TAD is connected to the equipment The equipment delays starting detection of the voice signal by the time length specified by these selectors The total length of the delay time specified by these selectors and the maximum waiting time specified by WSW21 selectors 1 through 5 shoul...

Страница 132: ...t is set up for the British Telecom s caller ID service or its equivalent Selector 2 takes effect only when selector 1 is set to 1 l l Selectors 4 and 5 No of CNG cycles to be detected The equipment interprets a CNG as an effective signal if it detects a CNG signal by the number of cycles specified by these selectors when the line is connected via the external telephone except in the external TAD ...

Страница 133: ...FF setting This selector determines whether or not the ringer can be set to OFF l Selector 3 Automatic playback of OGM at the start time of OGM ON mode This selector determines whether or not the equipment automatically plays back an OGM the moment it switches to the OGM ON mode in the MC mode l Selector 4 Detection of distinctive ringing pattern If this selector is set to 1 the equipment detects ...

Страница 134: ... Continuous Polling 0 OFF 1 ON NOTE Selector 8 is applicable to the L621 l Selectors 1 through 6 Transmission level of DTMF high low band frequency signal These selectors are intended for the manufacturer who tests the equipment for the Standard Never access them l Selector 7 Current available resolution in receiving If this selector is set to 0 the equipment will send the resolution statement to ...

Страница 135: ... versions only l Selectors 1 through 6 Compression threshold level for voice signals inputted via the network handset in the built in TAD operation If voice signals inputted via the network or handset are below the level specified by these selectors the TAD interprets those received voice signals as no signal compressing the recording time l Selector 7 Automatic dialing by caller IDs stored in the...

Страница 136: ...NOTE Selectors 1 through 3 are applicable to those models equipped with a built in TAD l l Selectors 1 through 3 Detection level of dial tone or busy tone for built in TAD operation If dial tone or busy tone inputted during ICM recording is below the level specified by these selectors the TAD stops recording and disconnects the line l l Selector 8 CHANGE DRUM SOON message This selector determines ...

Страница 137: ...ds one page data at full size 100 without reduction if it is set to 1 the equipment records it at the size specified according to the current paper size The U S A or Canadian versions allow the user to select the desired paper size from the control panel According to the paper size setting the equipment determines the reduction rate Other versions can handle only A4 size paper so the reduction rat...

Страница 138: ...efault contrast No 7 8 0 X Automatic 1 0 Super light 1 1 Super dark l Selectors 5 and 6 Default resolution These selectors set the default resolution which applies when the equipment is powered up or completes a transaction l Selectors 7 and 8 Default contrast These selectors set the default contrast which applies when the equipment is powered up or completes a transaction ...

Страница 139: ...ble to the U S A versions l Selectors 1 through 3 Detection threshold level for voice signals inputted via the telephone line in the built in TAD operation If the equipment detects voice signals exceeding the threshold level set by these selectors it will interpret them as effective voice l Selectors 4 and 5 FAX receiving speed to be kept within the transmission speed limit to the PC To transmit F...

Страница 140: ...on of disconnection tone in ICM recording it erases tone recorded preceding the tone detection starting point for the time length set by these selectors l Selectors 4 and 5 No of CNG cycles to be detected The equipment interprets a CNG as an effective signal if it detects a CNG signal by the number of cycles specified by these selectors in any of the following cases when the line is connected via ...

Страница 141: ... detection 0 0 0 1 1 sec 0 0 1 0 2 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 those models equipped with a built in TAD l Selectors 1 through 4 Detection time length of the disconnection tone in ICM recording If the equipment detects disconnection tone for the time length set by these selectors it will disconnect the line ...

Страница 142: ...nactive PC interface to normal interfacing state upon receipt of data from the PC l Selector 3 PC Power off Recognition Time This selector sets the time length from when the equipment detects the PC powered off until it recognizes the detected state as power off If selector 2 is set to 0 it is recommended that selector 3 be set to 1 otherwise the equipment may mistakenly detect PC powered off l Se...

Страница 143: ...e switches n n Operating Procedure 1 Press the 1 key twice in the initial stage of the maintenance mode The PRINTING will appear on the LCD 2 The equipment prints out the configuration list as shown in the figure below 3 Upon completion of printing the equipment returns to the initial stage of the maintenance mode Configuration List ...

Страница 144: ...on n n Operating Procedure 1 Press the 1 and 3 keys in this order in the initial stage of the maintenance mode The 00 will appear on the LCD 2 Press the keys and buttons in the order designated in the illustration shown below The LCD shows the corresponding number in decimal notation each time a key or button is pressed Check that the displayed number is correct by referring to the illustration be...

Страница 145: ...V 52 FAX2750 FAX 8250P MFC4350 MFC4650 MFC 9050 Key Button Entry Order 1 ...

Страница 146: ...V 53 MFC6650MC MFC 9550 FAX 8050P Key Button Entry Order 2 ...

Страница 147: ...s closed CV the registration sensor detects no paper RG the paper ejection sensor detects no paper HA the toner sensor detects toner TN and the hook switch sensor detects the on hook state HK n n Operating Procedure 1 Press the 3 and 2 keys in this order in the initial stage of the maintenance mode The equipment sounds 1100 Hz and 400 Hz tones cyclically through the following volumes for testing t...

Страница 148: ...ze the EEPROM according to language function settings and firmware switch settings The customizing codes list is given in Appendix 1 NOTE If you replace the main PCB be sure to carry out this procedure n n Operating Procedure 1 Press the 7 and 4 keys in this order in the initial stage of the maintenance mode The current customizing code e g 1101 in the case of MFC4350 U S A versions appears 2 Ente...

Страница 149: ...ve the transmission log of the user s equipment at a remote location and use it for analyzing problems arising in the user s equipment n n Operating Procedure 1 If the user s equipment has a transmission related problem call the user s equipment at a remote location from your equipment 2 If the line is connected have the user perform the following 1 FAX2750 MFC4350 MFC4650 MFC6650MC Press the Func...

Страница 150: ...om the memory security mode NOTE Carrying out this procedure will lose passwords previously entered but retain FAX messages and ICM received in the memory security mode n n Operating Procedure 1 When the SECURE MODE is displayed on the LCD hold down the Function key and press the key Within two seconds start to press the 2 7 9 0 and 0 keys The memory security mode will be canceled and the equipmen...

Страница 151: ...CHAPTER VI ERROR INDICATION AND TROUBLESHOOTING ...

Страница 152: ...age VI 4 1 2 Communications Errors VI 6 2 TROUBLESHOOTING VI 13 2 1 Introduction VI 13 2 2 Precautions VI 13 2 3 Checking prior to Troubleshooting VI 13 2 4 Troubleshooting Procedures VI 14 1 Control panel related VI 14 2 Telephone related VI 14 3 Communications related VI 15 4 Paper document feeding related VI 15 5 Print image related VI 16 ...

Страница 153: ...CD 1 Error messages on the LCD Messages on the LCD Probable Cause CHECK PAPER Even after paper pulling in operation the registration sensor does not detect paper COVER OPEN The cover sensor detects that the top cover is not closed or the sheet feeder cover sensor detects that the sheet feeder cover is not closed PRINTER JAM 1 The paper ejection sensor stays OFF even after the registration sensor h...

Страница 154: ...e of the white level data is faulty This message may appear only in the maintenance mode TONER LOW The toner sensor has detected that there is not enough toner TONER EMPTY The toner sensor has detected that there is no toner If this message appears recording is no longer possible SET CARTRIDGE The toner sensor has detected that no toner cartridge is loaded COOLING DOWN PLEASE WAIT Appear alternate...

Страница 155: ...r V Section 3 11 If this message appears open and close the top cover The message may disappear if opening closing the top cover removes the error If the error persists the MACHINE ERROR X X will appear instead of this message If only an alarm beep is heard without any message on the LCD when the equipment is powered up the ROM or RAM will be defective ...

Страница 156: ...jam The paper ejection sensor remains ON 88 Paper jam Even after the registration sensor has gone OFF the paper ejection sensor still stays OFF A1 Top cover opened A2 Document too long to scan A3 Document not detected by the document rear sensor A4 50 or more faulty of white level data A7 One line feeding time out error A8 One line scanning time out error A9 Abnormal scanning reference voltage AC ...

Страница 157: ...on EA Document removed at phase B F3 Voice message recording or playing back not started F5 EOL not found in page memory transmission mode F6 PC interface error Error codes in parentheses do not appear in the MACHINE ERROR X X since those errors are displayed as messages described in 1 Error messages on the LCD Those error codes appear in the communications error list if an equipment error occurs ...

Страница 158: ...ions error occurs the facsimile equipment emits an audible alarm intermittent beeping for approximately 4 seconds displays the corresponding error message and prints out the transmission verification report if the equipment is in sending operation ...

Страница 159: ... dialing 17 07 No response from the calling station in receiving Available in Germany and Austria 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 1 in succession for 7 bits or more 20 04 Overrun detected 20 05 A frame for 3 seconds or more received 20 06 CRC error in answerback 20 07 Undefined command...

Страница 160: ...d with password function or its password switch OFF 32 11 Remote terminal not equipped with or not ready for confidential mail box function 32 12 Remote terminal not equipped with or not ready for relay broadcasting function 32 13 No confidential mail in the remote terminal 32 14 The available memory space of the remote terminal is less than that required for reception of the confidential or relay...

Страница 161: ...cturer code not coincident 40 11 Unregistered group code entered for relay broadcasting function or the specified number of broadcasting subscribers exceeding the limit 40 12 Retrieval attempted when not ready for retrieval 40 13 Polled by any other manufacturers terminal while waiting for secure polling 40 17 Invalid resolution selected 5 Command reception checking the NSF and DIS after transmiss...

Страница 162: ...3 03 Polling ID not coincident 63 04 Entered confidential mail box ID uncoincident with the mail box ID 63 05 Relay broadcasting ID not coincident 63 06 Entered retrieval ID uncoincident with that of the mail box ID 7 DCN reception Code 1 Code 2 Causes 74 DCN received 8 TCF transmission reception Code 1 Code 2 Causes 80 01 Fallback impossible ...

Страница 163: ...ng error continued on 500 lines A0 14 Decoding error continued for 10 seconds A0 15 Time out Five seconds or more for one line transmission A0 16 RTC not found and carrier OFF signal detected for 6 seconds A0 17 RTC found but no command detected for 60 seconds A0 18 Receive buffer full during receiving into memory A8 01 RTN PIN or ERR received at the calling terminal A9 01 RTN PIN or ERR received ...

Страница 164: ...Code 1 Code 2 Causes E0 01 Failed to detect 1300 Hz signal in burn in operation E0 02 Failed to detect PB signals in burn in operation 13 Equipment error Code 1 Code 2 Causes FF X X Equipment error For X X refer to Section 1 1 2 ...

Страница 165: ...d from the outlet when removing the covers and PCBs adjusting the mechanisms or conducting continuity testing with a circuit tester 2 When disconnecting the connectors do not pull the lead wires but hold the connector housings 3 l Before handling the PCBs touch a metal portion of the machine to discharge static electricity charged in your body l When repairing the PCBs handle them with extra care ...

Страница 166: ...uble Check 1 No phone call can be made l FPC key l Control panel PCB l NCU PCB l Main PCB 2 Speed dialing or one touch dialing will not work l Ordinary dialing function other than the speed and one touch dialing If it works normally check the main PCB if not refer to item 1 above 3 Speaker silent during on hook dialing l Ordinary dialing function other than the on hook dialing with the hook key If...

Страница 167: ...g the maintenance mode function code 32 Refer to Chapter V Section 3 8 l Document front sensor actuator and document rear sensor actuator l Main PCB 2 Document not fed l ADF and its related sections l Scanner motor and its harness l Document feed rollers and their related gears l Main PCB 3 Document double feeding l ADF parts 4 Recording paper not fed l Multi purpose sheet feeder l Drum unit l Hea...

Страница 168: ...cts for the developer roller on the drum unit main cover and high voltage power supply PCB Contacts in the illustration given on page VI 21 l Check the connection of the laser diode harness on the main PCB l Replace the main PCB 2 All black At the scanner Check the following components CIS harness CIS unit Main PCB At the printer side l Clean the high voltage contacts for the grid and corona wire ...

Страница 169: ...he developer roller on the drum unit main cover and high voltage power supply PCB Contacts in the illustration given on page VI 21 l Clean the grounding contacts on the drum unit gear drive unit and main cover Contacts and in the illustration given on page VI 21 l Check the connection of the main high voltage flat cable l Replace the drum unit l Replace the high voltage power supply PCB l Replace ...

Страница 170: ...ion l Replace the drum unit l Replace the heat fixing unit 6 Black and blurred horizontal stripes At the printer side l If the horizontal stripes appear at 94 mm or 17 mm intervals replace the drum unit l If they appear at 54 mm intervals replace the heat fixing unit 7 White vertical streaks At the scanner Check the following components CIS unit At the printer side l Replace the drum unit 8 Dropou...

Страница 171: ...nit 10 Image distortion or improper image alignment In communications Check the following components Error code displayed Refer to Section 1 ERROR INDICATION in this chapter NCU PCB Main PCB At the scanner Check the following components Separator roller and its related sections Document feed rollers and their related gears Scanner motor and its harness Main PCB At the printer side l Check that the...

Страница 172: ...k that the equipment is placed on a flat surface l Shake the drum unit from left to right and front to back 12 Dirt back of paper At the printer side l Replace the drum unit l Replace the heat fixing unit 13 Poor fixing At the printer side l Instruct the user to use paper of the recommended weight less than 36 lb m 2 l Replace the heat fixing unit ...

Страница 173: ...acts and Grounding Contacts Grounding Contacts High voltage Contacts ƒ For transfer roller For developer roller For corona wire For grid For cleaner roller Gear drive unit Drum grounding board ƒ High voltage power supply PCB ƒ Drum unit ...

Страница 174: ...July 98 5X5301 Printed in Japan ...

Страница 175: ...FAX2750 FAX 8250P MFC4350 MFC4650 MFC6650MC MFC 9050 MFC 9550 LJ6106MFC LJ6206MFC L621 Appendix 1 EEPROM Customizing Codes ...

Страница 176: ...beeps for approx one second and displays on the LCD 2 Press the 7 and 4 keys in this order in the initial stage of the maintenance mode The current customizing code e g 1101 in the case of MFC4350 U S A versions appears 3 Enter the desired customizing code e g 0202 in the case of MFC4650 Canadian versions The newly entered code appears NOTE If a wrong 4 digit code is entered the equipment will mal...

Страница 177: ...6650MC U S A 1001 1101 1201 1001 CANADA 0002 0102 0202 0002 ASIA 0040 0040 AUSTRALIA 0006 0006 INDONESIA 0040 0040 GULF 0001 0001 NEW ZEALAND 0027 0027 TAIWAN 0023 0023 S AMERICA 0201 SOUDI ARABIA 0001 RUSSIA 0001 2 LJ6106MFC LJ6206MFC L621 Versions Model LJ6106MFC LJ6206MFC L621 CHINA 0120 0020 U S A OEM 0001 ...

Страница 178: ...03 0103 0003 U K 0004 0104 0004 FRANCE 0005 0105 0005 NORWAY 0007 0107 0007 BELGIUM 0108 0008 NETHERLANDS 0109 0009 SWITZERLAND 0010 0110 0010 IRELAND 0011 0111 FINLAND 0112 0012 DENMARK 0013 0113 AUSTRIA 0014 0114 SPAIN 0115 0015 ITALY 0116 0016 SWEDEN 0026 0126 0026 EURO GENERIC 0104 ...

Страница 179: ...FAX2750 FAX 8250P MFC4350 MFC4650 MFC6650MC MFC 9050 MFC 9550 Appendix 2 Circuit Diagrams A Main PCB B Network Control Unit NCU PCB C Control Panel PCB D Power Supply PCBs ...

Страница 180: ...FAX2750 FAX 8250P MFC4350 MFC4650 MFC6650MC MFC 9050 MFC 9550 Appendix 2 Circuit Diagrams A Main PCB B Network Control Unit NCU PCB C Control Panel PCB D Power Supply PCBs ...

Страница 181: ...3 6 C M P R B 5 3 C 3 5 C M P R A S D O U T 4 6 3 3 D P C L K 4 4 3 3 C M R S T 4 1 4 5 C P C L K 3 3 D S D I N 4 5 3 7 5 6 C S O L 3 2 5 5 A P M 4 3 1 5 5 A P M 3 3 0 5 5 A P M 2 2 9 5 5 A P M 1 1 0 8 5 1 D H T O 1 0 1 5 3 B S C C K 1 0 2 5 3 B D R I V 9 8 5 5 B S C D T 9 9 5 1 A L D O N 1 0 3 5 1 A T E N H 1 0 4 5 1 A T E N L 1 0 5 5 1 A T A I D 1 0 6 5 1 A G E N Z 1 0 7 5 1 B V C L N 1 0 9 5 3 ...

Страница 182: ...A B U S 2 4 9 8 2 3 7 C 2 2 C C 1 0 4 C 1 0 1 0 1 6 V 1 1 2 5 2 6 3 4 1 8 1 9 P 1 2 D H B P B 4 0 1 5 1 6 R 1 6 8 0 R 1 6 7 0 R 1 6 6 R A S 1 R A S 2 R A S 3 1 2 B 1 2 B 1 7 R M WR 1 8 R A M R D 1 9 U C A S 2 0 C A S D 1 5 4 0 2 5 3 2 3 3 3 4 3 5 3 6 3 7 3 8 3 9 D 0 D 7 D 8 D 9 D 1 0 D 1 1 D 1 2 D 1 3 D 1 4 D B U S A 1 A 1 0 1 4 5 6 7 8 9 1 0 1 1 1 2 1 3 A 2 A 3 A 4 A 5 A 6 A 7 A 8 A 9 A B U S D 6...

Страница 183: ... 7 4 C C 1 0 4 D G N D D G N D D G N D D R B U S S 0 V 1 3 B P D A B U S S 0 V R S 1 2 C C L K 2 4 L WR T G A 1 0 1 3 B 1 3 B 1 3 B C S I P 1 3 B R D 1 3 B S R A M R 8 8 3 0 0 R 8 7 2 0 0 R 5 V R 1 4 7 1 0 K R 5 V S 0 V C 1 1 6 C C 1 0 4 C I S P 1 9 2 4 V R 1 4 3 4 7 0 1 3 B R 1 4 2 4 7 0 1 3 B C I S C L K T G R 5 V R 0 V C 4 2 C C 1 0 1 R 4 3 1 0 0 R S E N 4 8 6 7 B 6 B P H P 2 1 5 V C 4 0 C C 1 ...

Страница 184: ...D L WR M R S T M C E 1 3 A 1 3 B 1 3 B 1 3 A D R B U S D 3 D 3 R 4 6 A B U S 2 1 3 5 1 0 1 8 2 4 3 1 4 0 4 8 5 7 6 4 6 9 7 4 D V D D A 0 3 9 A 1 3 8 A 2 3 7 3 6 A 3 5 1 5 0 D 0 A 1 A 2 A 3 A 4 3 M I N T 1 2 B 9 C L K 2 2 R S T 2 3 C E 3 5 R D 3 4 WR 3 3 M P S E L 2 9 I N T 2 8 D R E Q 2 7 D A C K 2 6 D T C K 5 6 R X D 5 9 6 0 T X D D C D 6 1 C T S 6 2 R T S 6 3 E Y E C K O 5 2 E Y E C K I 5 3 E Y ...

Страница 185: ... 1 K F 5 V S 0 V 1 1 1 0 1 3 9 8 1 4 5 V S 0 V R 1 3 1 5 K 5 V Q 7 2 4 R E T S 0 V 2 4 V 5 V 2 1 3 4 5 P 1 0 S 0 V L V P S P M O T R E D H O O K R E D 5 V 5 V 1 4 B A 1 0 3 3 9 1 4 B 5 1 D S 0 V S 0 V M T D 2 0 0 3 F R 1 6 7 5 K 1 0 x 4 P M 4 M S I L 2 4 V 9 8 2 4 R E T 2 9 3 0 C 2 6 C C 1 0 4 8 4 C 1 4 C C 1 0 4 R 1 1 9 4 7 K H E T H 1 5 A 5 1 D P 4 F P C 5 3 1 4 2 5 5 V S 0 V P 6 B 5 B P H T E N...

Страница 186: ...6 6 C C 1 0 2 C 6 7 C 6 6 C 5 2 C 5 1 C 5 4 C 5 3 S 0 V 1 6 A Q 3 3 S O V C 1 2 9 C C 1 0 4 R 1 7 3 1 K R S R 1 7 4 3 3 K Q 3 2 2 S A 1 3 6 4 5 V D 1 1 S S 1 3 3 R 1 7 1 0 S 0 V S 0 V P 1 B 2 B P H S 0 V D 3 1 S S 1 3 3 2 4 V R 1 7 6 1 0 K R 1 7 5 4 3 K D T C 1 2 4 E K C 1 1 9 C C 1 0 4 S 0 V Q 3 5 R H 5 R 4 7 1 2 O U T G N D I N 5 V 7 4 L S 1 4 7 4 L S 1 4 7 4 L S 1 4 S 0 V 7 4 L S 1 4 7 4 L S 1 ...

Страница 187: ... Q 2 0 Z D 3 Z D 4 R 9 8 D 4 C 4 9 C C 1 0 4 R 4 0 7 5 K Q 1 4 Q 1 5 U M G 5 N R 3 5 R 4 2 1 5 0 K M O V C 0 1 C N T 1 2 A 4 C M L H 1 2 B C 1 0 C N T 1 4 1 3 1 2 R L 1 R L 2 1 7 7 4 H C 4 0 5 3 A 1 1 C N T 1 2 A T E L 1 7 7 4 H C 4 0 5 3 1 0 1 2 C 1 5 1 0 C N T H S P L Y 1 0 C R 1 0 6 1 2 A 1 2 A T X O L 1 B L M 1 1 A 2 0 5 V S 0 V M 0 V R 3 2 0 T A D H 1 2 1 0 1 6 7 4 H C 4 0 5 3 1 6 7 4 H C 4 0...

Страница 188: ...7 6 P A G E 1 2 4 R 8 0 R 3 5 M F C 6 6 5 0 M C P P F 2 7 5 0 M F C 4 3 5 0 M F C 4 6 5 0 M F C 4 3 5 0 D E M O M F C 4 6 5 0 D E M O M F C 9 0 5 0 F A X 8 2 5 0 P R 8 5 R 1 0 1 R 1 0 2 R 4 1 R 7 4 P 1 3 Z D 3 Z D 4 R 7 6 R 7 9 C 3 6 7 I C S O C K E T 4 0 N O T A S S Y A B 1 2 3 C D 1 2 3 5 6 A B C D 6 4 4 5 B B B B ...

Страница 189: ...L S L S 0 V F G F G 5 V 5 V R E F o r B A 1 0 3 5 8 S B T 0 2 6 0 x 2 o r F L 5 R 2 0 0 P N x 2 o r D L 6 5 0 3 C x 2 S B T 0 2 6 0 o r F L 5 R 2 0 0 P N o r D L 6 5 0 3 C 0 C 9 S B T 0 2 6 0 x 2 o r F L 5 R 2 0 0 P N x 2 o r D L 6 5 0 3 C x 2 4 4 P M J T E L S L 4 3 2 S 0 V S 0 V 5 V C E B T E L R L 1 S B T 0 2 6 0 x 4 o r F L 5 R 2 0 0 P N x 4 o r D L 6 5 0 3 C x 4 3 C O M P O N E N T S I N P A ...

Страница 190: ... 4 3 R E F S 0 V R E F E A R T H S 0 V S P 6 F L 5 R 2 0 0 P N X 4 L 9 L 8 L 1 0 L 6 L 7 L 5 L 2 F L 5 R 2 0 0 P N X 2 F L 5 R 2 0 0 P N F L 5 R 2 0 0 P N X 2 4 3 V X 2 J P 9 C J W9 5 J W 2 5 J P 8 C S J W1 0 5 J P 7 C J W1 2 1 0 J W6 5 J W5 1 0 J W2 0 5 J P 4 C Z D 1 Z D 2 J W7 5 J P 1 C 5 V J W8 5 J W1 5 5 J W1 7 1 0 J W2 9 1 0 S 0 V J W3 5 J W4 1 0 J W1 8 1 0 J W2 6 5 J W2 8 5 J P 3 C J P 1 0 C...

Страница 191: ... 5 m m J U M P E R 5 m m J U M P E R 5 m m J U M P E R T L P 6 2 0 G R T L P 6 2 0 G R A S S Y S P 1 7 A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y S H O WS U N M O U N T I N G A S S Y 5 m m J U M ...

Страница 192: ...P N X 4 L 9 L 8 L 1 0 L 6 L 7 L 5 L 2 F L 5 R 2 0 0 P N X 2 F L 5 R 2 0 0 P N F L 5 R 2 0 0 P N X 2 S P 1 S P 5 J P 9 C J W9 5 J W 2 5 J P 8 C S J P 7 C J W1 2 1 0 J W6 5 J W5 1 0 J W2 0 5 J P 4 C R 1 3 3 9 K F Z D 1 Z D 2 J W7 5 J P 1 C 5 V J W8 5 J W1 5 5 J W1 7 1 0 J W2 9 1 0 S 0 V J W3 5 J W4 1 0 J W1 8 1 0 J W2 6 5 J W2 8 5 J P 3 C J P 1 0 C 2 4 V J W2 7 1 0 J W3 1 1 0 J P 1 2 C R E F J W1 5 ...

Страница 193: ...2 S P 1 1 S P 9 U G 4 5 8 8 0 X X T L P 6 2 0 G R A S S Y A S S Y A S S Y S H O WS U N M O U N T I N G A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A S S Y A B 1 2 3 C D 1 2 3 5 6 A B C D 6 4 4 5 ...

Страница 194: ... F L 5 R 2 0 0 P N X 4 L 9 L 8 L 1 0 L 6 L 7 L 5 L 2 F L 5 R 2 0 0 P N X 2 F L 5 R 2 0 0 P N 5 V R 3 3 1 6 K F S P 1 S P 5 J P 9 C J W9 5 J W 2 5 J P 8 C S J P 7 C J W1 2 1 0 J W6 5 J W5 1 0 J W2 0 5 J P 4 C R 1 3 0 Z D 1 Z D 2 J W7 5 J P 1 C 5 V J W8 5 J W1 5 5 J W1 7 1 0 J W2 9 1 0 S 0 V J W3 5 J W4 1 0 J W1 8 1 0 J W2 6 5 J W2 8 5 J P 3 C J P 1 0 C 2 4 V J W2 7 1 0 J W3 1 1 0 J P 1 2 C R E F J ...

Страница 195: ... 7 4 7 K P 2 5 2 0 8 9 1 4 2 0 C O G P 1 5 2 0 8 9 1 5 2 0 F P C 5 V 1 5 7 1 1 1 3 1 5 3 9 8 K I 0 K I 1 K I 2 K I 3 K I 4 K I 5 K I 6 F S E N R 8 4 7 K C 1 1 0 0 R 2 0 5 V S G N D 4 7 0 1 0 2 8 6 4 1 4 1 2 5 V S G N D S D O U T S D I N M I C S 2 B P H K M I C S G N D S G N D 5 D S G N D 1 8 W 0 5 V P 1 5 2 0 8 9 1 5 2 0 S G N D 6 2 0 6 2 0 6 2 0 6 2 0 6 2 0 7 1 2 P C L K M I C S L R 3 4 M G 8 0 F...

Страница 196: ...R 1 0 4 7 K C 1 1 0 0 R 2 0 R 2 2 5 V S G N D R 2 1 4 7 0 R 2 4 1 0 0 R 2 3 4 7 0 1 0 2 8 6 4 1 4 1 2 5 V S G N D S D O U T S D I N M I C S 2 B P H K M I C S G N D S G N D 5 D c 2 5 C C 1 0 4 S G N D R 2 5 1 8 W 0 5 V 5 V L E D 1 L E D 2 L E D 3 L E D 4 L E D 5 L E D 6 L E D 7 R 1 7 P 1 5 2 0 8 9 1 5 2 0 S G N D R 1 4 6 2 0 6 2 0 R 2 R 1 6 2 0 R 5 6 2 0 R 6 6 2 0 R 7 6 2 0 R 8 6 2 0 7 1 2 P C L K ...

Страница 197: ... X R E F E R E N C E T A B L E 2 3 4 3 2 1 E 3 3 2 6 3 4 2 3 3 5 4 7 5 4 3 2 8 2 2 1 7 1 4 5 2 4 8 K E Y N O K E Y C O E 3 7 3 8 3 9 4 0 4 1 4 2 4 3 4 4 4 5 4 6 4 7 4 8 4 9 1 T O U C H 0 9 2 1 1 T O U C H 1 2 2 4 1 B 1 A 2 2 3 2 3 9 3 B 3 A 3 D 3 C 2 B 2 9 2 F R e c o r d S o r t 2 7 4 3 4 2 4 5 K I 6 P 1 2 P 4 0 3 6 3 2 5 1 2 8 K O 6 P 1 1 3 P K I 5 P 1 4 P 1 6 1 8 1 9 3 3 5 0 5 3 5 5 3 4 2 5 4 1...

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