Brother DCP-7057 Service Manual

ConfidentialBrother Laser MFCSERVICE MANUALMODEL:DCP- 7055/7057/7057E/7060D/7065DNDCP- 7070DW/HL-2280DWMFC- 7360/7360N/7362N/7460DNMFC- 7470D/7860DN/7

viiiConfidential IEC60825-1:2007 Specification (For 220-240V models only)This product is a Class 1 laser product as defined in IEC60825-1:2007 specif

2-63Confidential Error code C1 to C6These errors do not usually occur in the normal use. The conceivable causes are noise around the installation sit

2-64Confidential Error code C9, CA to CFThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation

2-65Confidential Error code DDFuser unit failure except error code 6A, 6B, 6C, 6D, 6E, 6F, 76, 78, DE and E2. Error code DEWhen the center thermisto

2-66Confidential Error code DFThis error does not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-67Confidential Error code E2When the center thermistor is lower than the idle temperature, it is detected that the side thermistor temperature is h

2-68Confidential Error code E7 to E9, EA, EBThese errors do not usually occur in the normal use. The conceivable causes are noise around the installa

2-69Confidential Error code EEUnavailability of communication after connecting to the wireless LAN PCB is detected.(Wireless LAN model only) Error c

2-70Confidential Error code F0Flash ROM error. Error code F1 to F6, F8These errors do not usually occur in the normal use. The conceivable causes ar

2-71Confidential3.5 Paper Feeding ProblemsProblems related to paper feeding are end user recoverable if following the User Check items. If the same pr

2-72Confidential3.5.3 No paper fed manual feed slot (Error code 9A)Not detect paper at feeding from manual feed slot3.5.4 Double feedingUser Check• Lo

ixConfidential Radio InterferenceThis product complies with EN55022 (CISPR Publication 22)/Class B.EU Directive 2002/96/EC and EN50419This equipment

2-73Confidential3.5.5 Paper jam• Paper tray and front cover section (Error code 8A)Paper jam at paper tray and front cover sectionUser Check• Check if

2-74Confidential• Jam inside/Jam rear (Error code 84, etc)Paper jam inside and rear of the machineWaves in the paper / folds in the paper at the eject

2-75Confidential• Duplex unit (Error code 57, etc)Paper jam in the duplex tray3.5.6 Dirt on paper3.5.7 Paper feeding at an angleUser Check• Insert the

2-76Confidential3.5.8 Wrinkles or creasesFig. 2-8User Check• Check if the paper is no damp.• Check if the paper is loaded into the paper tray correctl

2-77Confidential3.5.9 Curl in the paperFig. 2-9User Check• Choose Reduce Paper Curl mode in the driver.• Turn the anti-curl levers to the direction of

2-78Confidential3.5.10 Prints only single side of the paper when duplex-printing3.5.11 Cannot make print through duplex-printing3.5.12 Paper size erro

2-79Confidential3.6 Image Defect Troubleshooting3.6.1 Image defect examplesFig. 2-10Light (2-80)Poor fixing (2-83)Dirt on the back of paper (2-84)Whit

2-80Confidential3.6.2 Troubleshooting image defectImage defect related problems are user recoverable if following the User Check items. If the same pr

2-81Confidential Electrodes location of the toner cartridge and drum unitFig. 2-11 Electrodes location of the machineFig. 2-12<How to clean the e

2-82Confidential Faulty registration DarkUser Check• Check that the appropriate media type is selected in the driver.Step Cause Remedy1Adjusted valu

xConfidentialFor USA and Canada Standard telephone and FCC notices (MFC only)These notices are in effect on models sold and used in the United States

2-83Confidential Poor fixing Completely blankUser Check• Check the machine's environment. High temperature and high humidity or low temperature

2-84Confidential Image distortion All black The back of paper gets dirtyStep Cause Remedy1Laser unit not assembled correctly Assemble the laser uni

2-85Confidential Vertical streaks How to clean the heat roller(1) Make the black pattern as shown in the below figure by the Word, PowerPoint and ot

2-86Confidential Black horizontal stripesFig. 2-13User Check•Clean the inside of the machine and the corona wire in the drum unit. • When the horizon

2-87Confidential White vertical streaks White horizontal streaks Faint printUser Check• Check if there is no dust in the gap between the toner cart

2-88Confidential White spots Black spotsUser Check• When the white spots at 32.5 mm are intervals, replace the toner cartridge with a new one.• If t

2-89Confidential Black band Downward fogging of solid black Horizontal linesUser Check• Clean the inside of the machine and the corona wire in the

2-90Confidential Ghost FoggingUser Check• Check the machine's environment. High temperature and high humidity or low temperature and low humidi

2-91Confidential3.7 Software Setting ProblemsThe end user can solve problems pertaining to software, for instance, print cannot be made from a compute

2-92Confidential3.8 Network Problems3.8.1 Cannot make a print through network connection (Wireless LAN model only) (Error code DE, EE) How to reset t

xiConfidential Federal Communications Commission (FCC) Declaration of Conformity(For USA)Responsible Party: Brother International Corporation100 Some

2-93Confidential3.9 Document Feeding Problems3.9.1 No feeding3.9.2 Double feedingUser Check• Set the document so that it contacts the rear of the tray

2-94Confidential3.9.3 Paper jam Paper jam in the ADF cover (Error code A3, etc) Paper jam in the ADF (Error code A3, etc) Paper jam in the ADF (Err

2-95Confidential3.9.4 Wrinkles Paper jam in the ADF cover (Error code A3, etc)User Check• Check if the document is loaded into the ADF correctly.• Ch

2-96Confidential3.10 Scanning Image Defect Troubleshooting3.10.1 Image defect examplesFig. 2-143.10.2 Troubleshooting image defect Light on the page

2-97Confidential Faulty registration (Error code B3, B4, etc) Dark (Error code BB, etc)- ADFStep Cause Remedy1Fine adjustment of scan start position

2-98Confidential Completely blank Vertical streaks White vertical streaksUser Check• Check if the first side and second side of the document are re

2-99Confidential3.11 Troubleshooting of the Control Panel3.11.1 Nothing is displayed on the LCD3.11.2 The control panel does not work3.11.3 Lamp malfu

2-100Confidential3.12 Troubleshooting of FAX/Telephone Functions3.12.1 FAX can't send it3.12.2 FAX cannot be transmitted and received.3.12.3 No b

2-101Confidential3.12.4 A communication error occurs3.12.5 Reception mode cannot be changed3.12.6 Caller ID are not displayed3.12.7 Cannot talk on the

2-102Confidential3.13 PCB Problems3.13.1 Main PCB failure3.13.2 Out of MemoryMemory full3.13.3 High voltage power supply PCB ASSY failureUser Check• T

xiiConfidential Industry Canada Compliance Statement (For Canada)This Class B digital apparatus complies with Canadian ICES–003.Cet appareil numériqu

2-103Confidential3.13.4 Low voltage power supply PCB ASSY failure3.13.5 NCU ASSY failureUser Check• Turn the power off and on.Step Cause Remedy1Harnes

2-104Confidential3.14 Other Problems3.14.1 The machine is not turned ON, or the LCD indication does not appear3.14.2 The fan motor 60 ASSY does not ro

CHAPTER 3DISASSEMBLY/REASSEMBLY

ConfidentialCHAPTER 3 DISASSEMBLY/REASSEMBLYThis chapter describes procedures for disassembling and assembling the machine with relates notes.The prov

Confidential9.10.11 Lower Document Chute ASSY ...3-559.10.12 Ejection Roller ASSY...

3-1Confidential1. SAFETY PRECAUTIONSTo avoid creating secondary problems by mishandling, follow the warnings and precautions below during maintenance

3-2Confidential2. PACKINGHandset ASSYHandset curled cord ASSYTelephone plugOption carton BLLFBBag foruser‘s guidePolystyrene pad RPolystyrene pad FPol

3-3Confidential3. SCREW CATALOGUEScrew pan (S/P washer) Taptite pan Taptite bind BTaptite cup BM4x12Taptite cup BM3x10Taptite pan B M4x14Taptite cup S

3-4Confidential4. SCREW TORQUE LISTNote: • For verifying the shape of each screw, refer to "3. SCREW CATALOGUE" in this chapter.Location of

3-5ConfidentialNew toner sensor PCB ASSY Taptite bind B M3x10 1 0.5±0.05 (5±0.5)Laser unit Taptite cup S M3x8 SR 4 0.8±0.05 (8±0.5)Main PCB ASSY Tapti

xiiiConfidential FDA Regulations (110 to 120 volt model only)The USA Food and Drug Administration (FDA) has implemented regulations for laser product

3-6Confidential5. LUBRICATIONFig. 3-1The kind of the lubricating oil(Maker name)Lubrication point Quantity of lubricationBDX313 (A)(Kanto Kasei)Hinge

3-7Confidential6. OVERVIEW OF GEARS Paper feeder part<Development view>Fig. 3-2<Layout view>Fig. 3-3<Name of gears>* These parts ar

3-8Confidential Development part<Development view>Fig. 3-4<Layout view>Fig. 3-5<Name of gears>* These parts are subject to change w

3-9Confidential Paper eject & Duplex part<Development view>Fig. 3-6<Layout view>Fig. 3-7<Name of gears>* These parts are subjec

3-10Confidential7. HARNESS ROUTING1 Paper edge sensor PCB ASSYPrinter top sidePanel PCB ASSYPaper edgesensorharnessASSYPaper edge sensor PCB ASSYGuide

3-11Confidential2 Registration front/rear sensor PCB ASSYLow voltage powersupply PCB ASSYGuideRegistration F/R sensor harness ASSYRegistration front/r

3-12Confidential3 Internal temperature sensorMain PCB ASSYGuideGuideGuideGuideBack side viewInternal temperature sensorInternal temperaturesensorInter

3-13Confidential4 New toner sensor PCB ASSYNew toner sensor PCB ASSYMain PCB ASSYGuide

3-14Confidential5 T1 clutch ASSY, REG clutch ASSYMain PCB ASSYREG clutch ASSYT1 clutch ASSYGuideGuideGuide

3-15Confidential6 Paper eject sensor PCB ASSYBack cover sensorBack coversensor harnessMain-eject sensor flat cable harnessMain PCB sheetMain shieldMai

xivConfidentialSAFETY INFORMATION Caution for Laser Product (WARNHINWEIS fur Laser drucker)CAUTION: When the machine during servicing is operated wit

3-16Confidential7 Main motor8 Laser unitMain PCB ASSYMain motorMain PCB ASSYMain-scannerflat cable HarnessLaser unitGuideHole of guide

3-17Confidential9 Wireless LAN PCB ASSY (wireless network model only)10 Fan motor 60 ASSYMain PCB ASSYWireless LAN PCB ASSYWireless PCB harness ASSYGu

3-18Confidential11 Low voltage power supply PCB ASSYLow voltage power supply PCB ASSY<Right side><Left side>Main PCB ASSYLVPS harness ASSY

3-19Confidential12 High voltage power supply PCB ASSY13 Fuser unitMain-HVPS flat cable harnessHigh voltage powersupply PCB ASSYMain PCB ASSYGuideGuide

3-20Confidential14 Speaker unit15 NCU ASSYGuideGuideSpeaker unitSpeaker harness ASSYGuideNCU unitNCU ASSYHoleNCU harness ASSY

3-21Confidential16 NCU FG harness ASSY17 Panel unitNCU FG harness ASSYNCU unitLV shield plateGuideGuideGuideScanner unitMain PCB ASSYPanel PCB ASSYPan

3-22Confidential18 Document scanner unitHoleFerrite coreCIS unitMain PCB ASSYJoint coverFlat cableFB motor harnessFB FG harnessADF FG harnessTaptite c

3-23Confidential19 ADF sensorHoleHoleGuideGuideMain PCB ASSYADF unitADF sensor harness unitDocument scanner unitJoint coverDocument scanning positiond

3-24Confidential20 ADF motorHoleFerrite coreHoleADF motor harness ASSYADF motorharness ASSYMain PCBADF unitADF FG harnessADF motorDocument scanner uni

3-25Confidential21 Hook switch PCBGuideMain PCB ASSYHook switch PCBSide cover L

xvConfidential Definitions of Warnings, Cautions, Notes and MemosThe following conventions are used in this manual:Mark ContentsWarnings tell you wha

3-26Confidential8. DISASSEMBLY FLOW CHART5/59.10.3 DocumentStopper5/55/55/59.10.4 DocumentSub Tray5/59.7 Support Flap 15/59.27 Pick-up RollerHolder AS

3-27Confidential9. DISASSEMBLY PROCEDURE Preparation<Transferring Received FAX Data>When the machine at the user site requires to be repaired,

3-28Confidential<Disconnecting Cables and Removing Accessories>Prior to proceeding with the disassembly procedure,(1) Unplug• the AC cord,• the

3-29Confidential9.1 Paper Tray(1) Remove the two taptite bind B M4x12 screws, and release the two bosses (upper side), and remove the tray cover from

3-30Confidential(2) Release the hooks of the separation pad ASSY from the paper tray.(3) Press both side arms of the separation pad ASSY to remove the

3-31Confidential(5) Push the hook of the lift gear 46 while pushing up the plate up plate, and remove the lift gear 46.Fig. 3-11(6) Remove the gear Z2

3-32Confidential9.2 Cord Hook(1) Remove the two taptite cup B M3x8 screws, and remove the two cord hooks.Fig. 3-13Code hookCode hookTaptite cup B M3x8

3-33Confidential9.3 Back Cover(1) Open the back cover.(2) Push the both side ribs of the back cover to the direction of the arrow 2, and release the b

3-34Confidential9.4 Outer Chute ASSY(1) Pull the outer chute ASSY to the direction of the 1a, and release the boss of the outer chute ASSY from the ma

3-35Confidential9.5 Fuser Cover(1) Hold the knobs on the fuser cover, and pull down this to your side.(2) Release the boss of the main body while pull

xviConfidential Safety PrecautionsListed below are the various kinds of “WARNING” messages included in this manual. WARNING There are high voltage el

3-36Confidential9.6Inner Chute ASSY, Eject Pinch Roller R ASSY and Eject Pinch Roller L ASSY (1) Pull down both side green envelope levers of the fuse

3-37Confidential(3) Remove the two eject pinch roller L ASSY and the two eject pinch roller R ASSY from the inner chute ASSY.(4) Remove the four exit

3-38Confidential9.7 Front Cover ASSY, Support Flap 1(1) Open the front cover ASSY.(2) Release the hooks of the develop joint link to remove the develo

3-39Confidential(4) Remove the support flap 1 from the front cover ASSY.Fig. 3-20Support flap 1Front cover ASSY

3-40Confidential9.8 Side cover L / Handset holder ASSY(1) Remove the taptite bind B M4x12 screw.(2) Release the hooks in the order of 1a, 1b and 1c, a

3-41Confidential(4) Remove the two taptite bind M4x12 screws, and remove the handset holder ASSY from the side cover L.Fig. 3-22(5) Remove the taptite

3-42Confidential(7) Release the hook to remove the hook switch PCB from the lower handset cover.(8) Remove the actuator hook PL from the hook switch P

3-43Confidential9.9 Side Cover R(1) Remove the taptite bind B M4x12 screw.(2) Release the hooks in the order of 1a, 1b and 1c, and remove the side cov

3-44Confidential9.10 ADF Unit (For models with ADF)9.10.1ADF Unit(1) Remove the taptite cup S M3x6 SR screw, and remove the ADF FG harness and the FB

3-45Confidential(3) Remove the taptite bind B M4x12 screw from the hinge ASSY L.(4) Pull up the ADF unit to release the hook of the hinge R, and remov

xviiConfidential WARNINGDO NOT use flammable substances such as alcohol, benzine, thinner or any type of spray to clean the inside or outside of the m

3-46Confidential9.10.2Hinge ASSY L / Hinge Arm R / Hinge R / Hinge R support(1) Remove the three taptite cup S M3x12 screws, and remove the hinge ASSY

3-47Confidential(3) Remove the three taptite cup B M3x10 screws, and remove the hinge arm R.Fig. 3-309.10.3Document Stopper(1) Release the pins to rem

3-48Confidential9.10.4Document Sub Tray(1) Release the pins to remove the document sub tray.Fig. 3-32ADF unitDocument sub trayPinPin

3-49Confidential9.10.5ADF Cover ASSY(1) Open the ADF cover ASSY.(2) Release the pins to remove the ADF cover ASSY.Fig. 3-33ADF cover ASSYADF unitPin12

3-50Confidential9.10.6Gear Cover(1) Release the hook to remove the gear cover.Fig. 3-341a1bGear coverHook

3-51Confidential9.10.7Separation Roller ASSY(1) Unlock the lock of the conductive bushing to remove the separation roller ASSY.Fig. 3-35Separation rol

3-52Confidential9.10.8Separation Rubber Holder ASSY(1) Release the pins to remove the separation rubber holder ASSY.(2) Remove the ADF spring.Fig. 3-3

3-53Confidential9.10.9Upper Document Chute ASSY SX(1) Remove the six taptite cup B M3x10 screws, and remove the upper document chute ASSY SX.Fig. 3-37

3-54Confidential9.10.10Document Feed Roller ASSY(1) Unlock the lock of the conductive bushing to remove the document feed roller ASSY.Fig. 3-38Documen

3-55Confidential9.10.11Lower Document Chute ASSY(1) Remove the three taptite cup B M3x10 screws.(2) Release the hook to remove the lower document chut

ConfidentialTRADEMARKSThe Brother logo is a registered trademark of Brother Industries, Ltd.Apple and Macintosh are trademarks of Apple Inc., register

xviiiConfidential CAUTIONWhen you move the machine, grasp the side handholds that are under the scanner. DO NOT carry the machine by holding it at the

3-56Confidential9.10.12Ejection Roller ASSY(1) Release the hook to remove the ejection roller bushing M11.(2) Unlock the lock of the conductive bushin

3-57Confidential9.10.13ADF motor(1) Remove the ferrite core from the guide, and disconnect the connector of the ADF motor harness ASSY from the ADF mo

3-58Confidential(3) Remove the three taptite cup B M3x10 screws, and remove the drive frame ASSY SX.(4) Release the hook to remove the gear 43.(5) Rem

3-59Confidential9.10.14Document Scanning Position Detection Sensor /Document Detection/ADF Cover Open Sensor(1) Remove the document scanning position

3-60Confidential(3) Remove the document detection/ADF cover open sensor while pushing the rib.(4) Disconnect the connector of ADF sensor harness unit

3-61Confidential9.11 Document Cover ASSY (For models without ADF)(1) Release the hooks of the hinge L and the hinge R to remove the document cover ASS

3-62Confidential(2) Remove the taptite cup B M3x10 screw, and remove the hinge L and the hinge L support from the hinge arm.(3) Remove the taptite cup

3-63Confidential9.12 Pull Arm L / Pull Arm R / Pull Arm Spring(1) Disconnect the two connectors and the flat cable from the main PCB ASSY.Fig. 3-47Har

3-64Confidential(2) Open the document scanner unit.(3) Release the hooks of the pull arm L and the pull arm R from the each joint part of the document

3-65Confidential(4) Remove the pull arm L and the pull arm spring from the pull arm guide.(5) Remove the pull arm R and the pull arm spring from the p

CHAPTER 1SPECIFICATIONS

3-66Confidential9.13 Document Scanner Unit(1) Open the document scanner unit, and remove the harness from the hole, and remove the flat cable from the

3-67Confidential9.14 Panel Unit9.14.1Panel Unit(1) Remove the four taptite cup B M3x10 screws.(2) Release the claw to remove the panel unit.(3) Discon

3-68Confidential9.14.2Panel PCB ASSY(1) Unlock the lock to disconnect the flat cable from the panel PCB ASSY.(2) Release the hooks to remove the panel

3-69Confidential9.14.3Rubber Key L/R(1) Remove the rubber key L and the rubber key R from the panel unit.Fig. 3-53Assembling Note: • Upon assembling,

3-70Confidential9.14.4LCD(1) Release the hooks to remove the backlight guide from the panel cover.Fig. 3-54(2) Release the hooks to remove the LCD and

3-71Confidential9.15 Pull Arm Guide(1) Remove the lock claw, and remove the pull arm guide. (2 locations)Fig. 3-56Lock clawLock clawPull arm guidePull

3-72Confidential9.16 NCU ASSY(1) Remove the taptite bind B M4x12 screw.(2) Release the hook to remove the speaker cover.Fig. 3-57HookSpeaker coverTapt

3-73Confidential(3) Remove the two screw pan (S/P washer) M3.5x8 screws.(4) Remove the NCU FG harness ASSY from the guide.Fig. 3-58Harness routing: Re

3-74Confidential(5) Disconnect the connector of the NCU harness ASSY from the main PCB ASSY.(6) Remove the NCU harness ASSY from the guide.(7) Remove

3-75Confidential(8) Remove the two taptite cup S M3x6 SR screws, and remove the NCU ASSY from the NCU shield.(9) Disconnect the connector of the NCU h

ConfidentialCHAPTER 1 SPECIFICATIONSThis chapter lists the specifications of each model.CONTENTS1. SPECIFICATIONS LIST ...

3-76Confidential9.17 Speaker Unit(1) Disconnect the connector of the speaker unit from the main PCB ASSY.(2) Remove the speaker harness ASSY from the

3-77Confidential(3) Unlock the lock to remove the speaker hold spring.(4) Remove the speaker unit.Fig. 3-62Speaker unitLockSpeaker hold spring

3-78Confidential9.18 Joint cover(1) Remove the five taptite bind B M4x12 screws.(2) Release the hooks to remove the joint cover.Fig. 3-63Joint coverHo

3-79Confidential(3) Remove the two paper stack levers.Fig. 3-64Paper stack leverJoint coverPaper stack leverBossesBosses

3-80Confidential9.19 Fuser Unit(1) Release the harness of the fuser unit from the guides of the main frame R ASSY.(2) Disconnect the connector of the

3-81Confidential(4) Disconnect the connectors of the center thermistor harness ASSY and the side thermistor harness ASSY from the paper eject sensor P

3-82Confidential(6) Remove the two taptite pan B M4x14 screws to remove the fuser unit.Fig. 3-68Note: • Do not apply a physical impact or vibration to

3-83Confidential9.20 Low voltage power supply PCB ASSY(1) Remove the FG spring front chute from the LV shield plate cover and the front chute ASSY.(2)

3-84Confidential(4) Remove the screw pan (S/P washer) M3.5x6 screw to remove the FG harness from the low voltage power supply PCB ASSY.(5) Remove the

3-85Confidential(9) Remove the low voltage power supply PCB ASSY, and disconnect the three connectors from the rear side.(10) Remove the LV insulation

1-1Confidential1. SPECIFICATIONS LIST1.1 GeneralSpecifications are subject to change without notice.ModelDCP-7055DCP-7057DCP-7057EDCP-7060DDCP-7065DND

3-86Confidential9.21 Fan Motor 60 ASSY(1) Disconnect the connector of the fan motor 60 ASSY from the high voltage power supply PCB ASSY.(2) Remove the

3-87Confidential9.22 High Voltage Power Supply PCB ASSY(1) Remove the flat cable from the guides of the main frame L ASSY, and disconnect the connecto

3-88Confidential9.23 New Toner Sensor PCB ASSY(1) Rotate the machine 180° to the side of main frame L ASSY.(2) Disconnect the flat cable of the new to

3-89Confidential9.24 Filter(1) Release the hooks to remove the air duct.(2) Pull the rib of the air duct to the direction of the arrow 2a, and remove

3-90Confidential9.25 Laser Unit(1) Disconnect the flat cable of the high voltage power supply PCB ASSY from the main PCB ASSY, and remove the flat cab

3-91ConfidentialFig. 3-78Fig. 3-79Note: • Do not touch the lens of the laser unit directly.Note: • Attach the laser serial label as shown in the figur

3-92Confidential9.26 Wireless LAN PCB ASSY (Wireless network model only)(1) Remove the harness of the wireless LAN PCB ASSY from the guides of the mai

3-93Confidential9.27 Pick-up Roller Holder ASSY(1) Turn the machine upside down.(2) Push the link arm to the direction of the arrow 2, and turn the pi

3-94Confidential9.28 Rubber Foot(1) Remove the two rubber foots from the main body.Fig. 3-82Rubber footRubber footMain body

3-95Confidential9.29 Main PCB ASSY(1) Turn the machine upside down.(2) Disconnect the two flat cables and the five connectors from the main PCB ASSY.(

1-2ConfidentialSpecifications are subject to change without notice.ModelDCP-7055DCP-7057DCP-7057EDCP-7060DDCP-7065DNDCP-7070DWHL-2280DWNoise Level Sou

3-96Confidential9.30 T1 Clutch ASSY, REG Clutch ASSY(1) Remove the harness of the T1 clutch ASSY and the REG clutch ASSY from the guides of the main f

3-97Confidential(4) Remove the FG spring regist from the motor drive sub ASSY and the conductive bearing 5.(5) Remove the conductive bearing 5 from th

3-98Confidential9.31 Main Frame L ASSY(1) Remove the two taptite bind B M4x12 screws to remove the front chute ASSY.(2) Remove the paper edge sensor h

3-99Confidential(3) Place the machine so that the main frame L ASSY is at the top.(4) Remove the LVPS harness ASSY from the guide of the main frame L

3-100Confidential9.32 Develop Drive Sub ASSY, Develop Gear Joint/52(1) Remove the taptite cup S M3X6 SR screw and three taptite bind B M4x12 screws to

3-101Confidential(2) Place the develop drive sub ASSY as shown in the figure below.(3) Be careful not to damage the Hooks of the develop joint and rel

3-102Confidential9.33 Motor Drive Sub ASSY, Main Motor(1) Remove the six taptite bind B M4x12 screws to remove the stopper and motor drive sub ASSY.Fi

3-103Confidential(2) Place the motor drive sub ASSY as shown in the figure below.(3) Remove the drum gear 26L/131L.(4) Remove the three screw bind M3x

3-104Confidential9.34 Internal Temperature Sensor(1) Remove the harness of the internal temperature sensor from the guide of the frame L ASSY, and rem

3-105Confidential9.35 Paper Eject Sensor PCB ASSY(1) Remove the taptite cup S M3x6 SR screw and the two taptite bind B M4x12 screws.(2) Release the ho

1-3ConfidentialSpecifications are subject to change without notice.Model MFC-7360MFC-7360NMFC-7362NMFC-7460DNMFC-7470DMFC-7860DNMFC-7860DWPrint method

3-106Confidential(3) Release the hook to remove the paper eject sensor PCB ASSY from the pin of the main frame L ASSY.(4) Remove the harness of the pa

3-107Confidential9.36 Fuser Gear 28/34(1) Remove the ejector gear 40.(2) Remove the fuser gear 28/34.Fig. 3-95Gear position: Refer to “Paper eject &am

ConfidentialCHAPTER 4ADJUSTMENTS AND UPDATING OF SETTINGS,REQUIRED AFTER PARTS REPLACEMENT

ConfidentialCHAPTER 4 ADJUSTMENTS AND UPDATING OF SETTINGS, REQUIRED AFTER PARTS REPLACEMENTThis chapter describes adjustments and updating of setting

4-1 Confidential1. IF YOU REPLACE THE MAIN PCB ASSY<What to do when replacing the main PCB ASSY>• Rewriting the firmware (Sub firmware, Main fir

4-2 Confidential1.1 Rewriting the firmware (Sub firmware, Main firmware)The following two methods are available for rewriting the firmware (Sub firmwa

4-3 Confidential1.2Initialization of EEPROM of Main PCB ASSY (Maintenance Mode: Code 01) Initialize the EEPROM in accordance with "1.4.1 EEPROM p

4-4 Confidential1.5 Inputting the Adjusted Value of the Laser Unit(1) Select Input Information from Menu.(2) Select the applicable model name.(3) Sele

4-5 Confidential1.6 Acquisition of White Level Data (Maintenance Mode: Code 55)Acquire the white level data in accordance with "1.4.18 Acquisitio

4-6 Confidential2. IF YOU REPLACE THE LASER UNIT2.1 Inputting the Adjusted Value of the Laser Unit(1) Double-click the “brmainte.exe” file (maintenanc

1-4Confidential<Computer requirements>Specifications are subject to change without notice.Model MFC-7360MFC-7360NMFC-7362NMFC-7460DNMFC-7470DMFC

4-7 Confidential3. IF THE IRREGULAR SUPPLY DETECTION ERROR IS DETECTED AND THE LOW VOLTAGE POWER SUPPLY PCB ASSY IS REPLACED3.1 Reset of Irregular Pow

4-8 Confidential(4) The About window appears.Double-click anywhere in the window as pressing the Shift key.(5) The Password window appears.Enter “repl

4-9 Confidential4. IF YOU REPLACE THE DOCUMENT SCANNER UNIT<What to do when replacing the document scanner unit>• Acquisition of white level dat

4-10 Confidential6. IF YOU REPLACE THE LCD UNIT<What to do when replacing the panel unit or LCD unit>• Operation check of LCD (Maintenance mode:

CHAPTER 5SERVICE FUNCTIONS

ConfidentialCHAPTER 5 SERVICE FUNCTIONSDescribes the maintenance mode which is exclusively designed for the purpose of checking the settings and adjus

Confidential2. OTHER SERVICE FUNCTIONS ... 5-402.1 Developer Roller Coun

5-1Confidential1. MAINTENANCE MODEThe maintenance mode is exclusively designed for the checking, setting and adjustments of the machine by using the b

5-2Confidential1.3 List of Maintenance-mode Functions* The functions shaded in the table above are user-accessible.Function CodeFunction Refer to:01 E

5-3Confidential1.4 Detailed Description of Maintenance-mode Functions1.4.1EEPROM parameter initialization (Function code 01, 91)<Function>This f

1-5ConfidentialSpecifications are subject to change without notice.Computer Platform & Operating System VersionProcessor Minimum SpeedMinimum RAMR

5-4Confidential1.4.2Printout of scanning compensation data (Function code 05)<Function>The machine prints out the white and black level data for

5-5Confidential Black and white scanningFig. 5-1

5-6Confidential1.4.3Placement of scanner unit in position for transportation (Function code 06)<Function>This function is to move the scanner un

5-7Confidential1.4.5Monochrome image quality test pattern (Function code 09)<Function>This function allows you to print various monochrome test

5-8Confidential1.4.6Worker switch (WSW) setting and printout (Function code 10, 11)[1] Worker switch setting (Function code 10)The machine incorporate

5-9ConfidentialWSW32 Function setting 10WSW33 Function setting 11WSW34 Function setting 12WSW35 Function setting 13WSW36 Function setting 14WSW37 Func

5-10Confidential<Operating Procedure>(1) Press the 1 and 0 buttons in this order in the initial state of the maintenance mode.In the case of the

5-11Confidential[2] Printout of worker switch data (Function code 11)<Function>The machine prints out the setting items of the worker switches a

5-12Confidential1.4.7Operational check of LCD (Function code 12)<Function>This function allows you to check whether the LCD on the control panel

5-13Confidential1.4.8Operational check of control panel button (Function code 13)<Function>This function allows you to check if the buttons on t

1-6Confidential1.2 Network ConnectivitySpecifications are subject to change without notice.ModelDCP-7055/7057DCP-7057E/7060DMFC-7360/7470DDCP-7065DNMF

5-14Confidential1.4.9Adjustment of Handset Volume (Function code 16)(Only for handset models)<Function>This function is to adjust the handset vo

5-15Confidential1.4.10Software version check (Function code 25)<Function>This function allows you to check the management information of the sof

5-16Confidential1.4.11Operational check of sensors (Function code 32)<Function>This function allows you to check each of the sensors.<Operati

5-17Confidential(3) Check that the display on the LCD is changed when the detection condition of each sensor is changed. For instance, insert paper to

5-18Confidential1.4.12LAN connection status display (Function code 33)<Function>This function allows you to check the status of the wired LAN co

5-19Confidential1.4.13PC print function (Function code 43)<Function>This function allows the machine change that the setting of each computer pr

5-20Confidential Detail descriptionP-Pos Y-Offset Switching of the offset print position of the portrait orientation-500 to 500 (1/300 dpi) 0AutoFF S

5-21ConfidentialPage ProtectionConfigure the setting to protect the page memory, when recording in computer. Set in the PCL-Core. There is not the inf

5-22Confidential1.4.14Not-disclosed-to-users functions (Function code 45) Changing return value of USB No.<Function>When the OS of the computer

5-23Confidential1.4.15EEPROM customizing (User-accessible) (Function code 52)<Function>This function allows users to customize the EEPROM settin

1-7Confidential1.3 Service InformationSpecifications are subject to change without notice.Part Approximate Life (pages)Machine life Approximately 50,0

5-24Confidential1.4.16Received data transfer function (Function code 53) (FAX model only)<Function>This function transfers received FAX data to

5-25Confidential Cover page sampleFig. 5-10 End page sampleFig. 5-11Model codeBoot ROM infoROM infoSerial numberJob numberTotal number of page to be

5-26Confidential1.4.17Fine adjustment of scan start/end positions (Function code 54)<Function>This function allows you to adjust the scan start/

5-27Confidential1.4.18Acquisition of white level data (Function code 55)<Function>This function allows you to acquire the white level of the sca

5-28Confidential1.4.19Continuous print test (Function code 67)<Function>This function allows you to conduct the pick-up and delivery test as pri

5-29Confidential1.4.20Setting by country (Function code 74)<Function>This function allows you to customize the machine according to language, fu

5-30Confidential Setting by country code list* Country codes are subject to change without notice.Country DCP-7055 DCP-7057 DCP-7060D DCP-7065DN HL-2

5-31Confidential* Country codes are subject to change without notice.Country MFC-7360 MFC-7360N MFC-7460DN MFC-7470D MFC-7860DN MFC-7860DWU.S.A. --- 0

5-32Confidential1.4.21Printout of maintenance information (Function code 77)<Function>This function is to print out log information.<Operatin

5-33Confidential1.4.22Operational check of fans (Function code 78)<Function>This function is to check whether each of fans is operating correctl

iConfidentialCONTENTSREGULATION ...viiSAFETY IN

1-8Confidential1.4 ConsumablesSpecifications are subject to change without notice.Consumables Approximate LifeToner cartridgeStarter TonerExcept for C

5-34Confidential1.4.23Display of the machine history (log) (Function code 80)<Function>This function allows you to view the machine’s history (l

5-35ConfidentialLCD DescriptionPicked-up pages by paper sizeA4+LTR: Number of A4/Letter size sheets picked upLG+F0L: Number of Legal/Folio size sheets

5-36Confidential*1The serial number can be changed using the steps below. (1) Push the 9, 4, 7, and 5 buttons in this order with the serial number dis

5-37Confidentialc) If the alphabetical character displayed is not the desired one, repeat step b) until the desired character is displayed.<Number

5-38Confidential(3) Press the Stop/Exit button to return to the machine to the initial state of the maintenance mode.1.4.24Error code indication (Func

5-39Confidential1.4.26Counter reset after replacing the fuser unit and paper feeding kit(Function code 88)<Function>The number of replacement is

5-40Confidential2. OTHER SERVICE FUNCTIONS2.1 Developer Roller Counter Reset FunctionThis function is to manually perform the operation same as the on

5-41Confidential2.3 Deletion of User Setting Information, etc.In this machine, the user setting information is stored in the EEPROM and flash memory o

5-42Confidential2.4 Continue mode / Stop mode settings of Toner cartridgeYou can set the machine to continue printing after the LCD shows “Replace Ton

5-43Confidential2.5 Drum Cleaning Drum cleaning function overviewInstall the plain paper into the manual feed slot and perform the cleaning of the dr

1-9Confidential1.5 Paper1.5.1 Paper handlingSpecifications are subject to change without notice.1.5.2 Media specificationsSpecifications are subject t

5-44Confidential2.6 Deep Sleep FunctionIn addition to the sleep function with the normal specifications, the deep sleep function is prepared to reduce

ConfidentialCHAPTER 6CIRCUIT DIAGRAMS, WIRING DIAGRAM

ConfidentialCHAPTER 6 CIRCUIT DIAGRAMS, WIRING DIAGRAMThis chapter provides the circuit diagrams and wiring diagram for the connections of the PCBs.CO

6-1Confidential1. CIRCUIT DIAGRAMS High Voltage Power Supply PCB Circuit Diagram (MURATA)

6-2Confidential High Voltage Power Supply PCB Circuit Diagram (Panasonic)

6-3Confidential Low Voltage Power Supply PCB Circuit Diagram (115V) EDPS-62AF A (Delta)

6-4Confidential Low Voltage Power Supply PCB Circuit Diagram (115V) MPW3058 (MURATA)

6-5Confidential Low Voltage Power Supply PCB Circuit Diagram (230V) EDPS-62BF A (Delta)

6-6Confidential Low Voltage Power Supply PCB Circuit Diagram (230V) MPW3059 (MURATA)

6-7Confidential NCU PCB Circuit Diagram: U.S.A/Canada

1-10Confidential1.6 Unprintable Area1.7 TelephoneSpecifications are subject to change without notice.1.8 FAX (Only for the models with FAX function)Sp

6-8Confidential NCU PCB Circuit Diagram: Europe/Oceania

6-9Confidential NCU PCB Circuit Diagram: China/Asia/Gulf

6-10Confidential2. WIRING DIAGRAM Wiring diagram

ConfidentialCHAPTER 7PERIODICAL MAINTENANCE

ConfidentialCHAPTER 7 PERIODICAL MAINTENANCECONTENTS1. PERIODICAL REPLACEMENT PARTS ...

7-1Confidential1. PERIODICAL REPLACEMENT PARTSThere are no parts to be replaced periodically.

APPENDIX 1SERIAL NUMBERING SYSTEMConfidential

App. 1-1ConfidentialAPPENDIX 1 SERIAL NUMBERING SYSTEM Serial number labels for the machine itself<How to Read>Fig. App. 1-1<Location>Fig

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

App. 2-1ConfidentialAPPENDIX 2 DELETION OF USER SETTING INFORMATION, ETC.In this machine, the user setting information is stored in the EEPROM and fla

1-11Confidential1.9 CopySpecifications are subject to change without notice.1.10 ScannerSpecifications are subject to change without notice.Model DCP-

APPENDIX 3INSTALLING THE MAINTENANCE DRIVERConfidential

App. 3-1ConfidentialAPPENDIX 3 INSTALLING THE MAINTENANCE DRIVERTo identify multiple machines connected to the computer via USB, the computer needs to

App. 3-2Confidential(5) Alert warning message appears three times, click Continue Anyway to proceed.(6) If the device driver is successfully installed

App. 3-3Confidential(7) Connect the machine to your computer using the USB cable.(8) The following screen appears, indicating the detection of new har

App. 3-4Confidential(10) Alert warning message appears, click Continue Anyway to proceed.

App. 3-5Confidential(11) If the Brother maintenance USB printer driver is successfully installed, the following message screen appears. Click Finish t

APPENDIX 4HOW TO MAKE PROTECTIVE MATERIAL OF DRUM UNITConfidential

App. 4-1ConfidentialAPPENDIX 4 HOW TO MAKE PROTECTIVE MATERIAL OF DRUM UNITMake the protective material of drum unit by the following procedures, and

1-12Confidential1.11 Unscannable AreaThe scannable area depends on the settings in the application you are using. The figures below show unscannable a

CHAPTER 2ERROR INDICATION ANDTROUBLESHOOTING

ConfidentialCHAPTER 2 ERROR INDICATION AND TROUBLESHOOTINGThis chapter details error messages and codes which the incorporated self-diagnostic functio

Confidential3.7 Software Setting Problems ...2-913.7.1 Cannot print dat

2-1Confidential1. INTRODUCTIONTroubleshooting is the countermeasure procedures that the service personnel should follow if an error or malfunction occ

2-2Confidential1.2 Initial CheckCheck the following items before attempting to repair the machine. Operating environment(1) Put your machine on a fla

iiConfidential3.5.1 Pickup function of Paper tray does not work. ... 2-713.5.2 No feeding ...

2-3Confidential Others(1) CondensationWhen the machine is moved from a cold place into a warm room, condensation may occur inside the machine, causin

2-4Confidential2. OVERVIEW2.1 Cross-section Drawing Printer partFig. 2-2Eject roller 2 Eject Pinch Roller Exposure drum Develop roller Supply roller

2-5Confidential ADF partFig. 2-3ADF coverDocument detection actuatorDocument pull-in rollerADF cover open actuatorDocument separation rollerSeparatio

2-6Confidential2.2 Paper Feeding Printer partFig. 2-4Rear paper eject pathManual feed slot pathPaper tray pathDuplex path<Front side><Back s

2-7Confidential ADF partFig. 2-5<Left Side><Right Side>Document feed path[Face up]

2-8Confidential2.3 Operation of each part Printer part ADF partPart name OperationPick-up roller Feed the paper from the paper tray.Separation rolle

2-9Confidential2.4 Block DiagramFig. 2-6Wireless LANPCBHigh voltage powersupply PCBFuser FANMain PCBPaper ejectsensor PCBPaper ejectBack cover / DXCen

2-10Confidential2.5 ComponentsFig. 2-7Back coverOuter chuteASSYMain PCB ASSYLaser unitPinch rollers ASSYSpeaker hold springPanel unitSpeaker unitLow v

2-11Confidential2.6 Life of Toner Cartridge and Drum Unit<Life of Toner Cartridge>This product detects the remaining toner only by the dot count

2-12ConfidentialLife of the toner cartridges in the case that the power is turned OFF/ON for every print job26/27ppm model24ppm model20/21ppm modelThe

iiiConfidential3.13.4 Low voltage power supply PCB ASSY failure ... 2-1033.13.5 NCU ASSY failure .

2-13ConfidentialLife of the toner cartridges in the case that the power is turned OFF/ON for every print job in Continue Mode26/27ppm model24ppm model

2-14Confidential<Life of Drum Unit>The life of the drum unit is judged the value of either large one of “Drum Counter” of “Number of rotations o

2-15Confidential3. ERROR CODESThis machine includes a self-diagnosis function. If the machine does not work normally it judges that an error has occur

2-16ConfidentialError codesProblemRefer to:Error codesProblemRefer to:50Drum unit is at the end of life.(Continue printing)2-35 68An unidentified erro

2-17ConfidentialError codesProblemRefer to:Error codesProblemRefer to:82 An unidentified error occurred. 2-47 9B Life of toner cartridge 2-5483Drum un

2-18ConfidentialError codesProblemRefer to:Error codesProblemRefer to:B4The scanning area setting right edge detection error. (white tape)2-60 D2An un

2-19ConfidentialError codesProblemRefer to:Error codesProblemRefer to:F0USB flash memory does not work properly2-70 F9The country code is not entered

2-20Confidential3.2 Error MessagesThe error messages displayed on the LCD of the machine and their description are shown in the table below.*1 For XX,

2-21Confidential*1 For XX, refer to "3.1 Error Codes" in this chapter.Error Message DescriptionError codesRefer to:Manual Feed Manual Feed w

2-22Confidential3.3 Communications Error Code*1 Available in German models only.Code 1 Code 2 CauseRefer to:10 08 Wrong number called. 2-10111 01 No d

ivConfidential9.10.14Document Scanning Position Detection Sensor /Document Detection/ADF Cover Open Sensor ...

2-23ConfidentialCode 1 Code 2 CauseRefer to:32 14The available memory space of the remote terminal is less than that required for reception of the con

2-24Confidential*1 Available in German models only.*2 Establishment of FAX communication:FAX communication is established when the calling station rec

2-25Confidential3.4 Error Cause and RemedyCheck the User Check items first. If an error cannot be resolved, follow the procedures in numerical order i

2-26Confidential Error code 10 to 12, 16 to 18These errors do not usually occur in the normal use. The conceivable causes are noise around the instal

2-27Confidential Error code 1AThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-28Confidential Error code 1FThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-29Confidential Error code 25These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-30ConfidentialError code 2DError, which cannot be specified, occurs.Error code 2EError, which cannot be specified, occurs.Error code 2FError, which

2-31ConfidentialError code 35Error, which cannot be specified, occurs. Error code 36Error in the high voltage power supply PCB while the machine is i

2-32ConfidentialError code 3AError, which cannot be specified, occurs. Error code 3BMain PCB DRAM access error.Print Unable 3ATurn the power off and

vConfidential1.5 Inputting the Adjusted Value of the Laser Unit ... 4-41.6 Acquisiti

2-33Confidential Error code 3CThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-34Confidential Error code 44The toner cartridge is not installed. Error code 45These errors do not usually occur in the normal use. The conceivabl

2-35ConfidentialError code 4AError, which cannot be specified, occurs.Error code 4BError, which cannot be specified, occurs.Error code 4CError, which

2-36Confidential Error code 51These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-37Confidential Error code 57Paper is jammed in the duplex paper feed system. Error code 58Fuser unit failure (Initial warning)Jam DuplexPull out t

2-38Confidential Error code 59The center thermistor of fuser unit detects error.Self-DiagnosticWill Automatically Restart within 15 minutes.Step Caus

2-39Confidential Error code 5AThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-40Confidential Error code 63The toner cartridge reached the end of life. (Continue mode off) Error code 64These errors do not usually occur in the

2-41Confidential Error code 67The toner cartridge will reach the end of life soon. Error code 68These errors do not usually occur in the normal use.

2-42Confidential Error code 6CFuser unit error. (The center thermistor does not detect 60 °C within the specified time.) Error code 6DFuser unit err

viConfidential1.4.17 Fine adjustment of scan start/end positions (Function code 54) ... 5-261.4.18 Acquisition of white level

2-43Confidential Error code 6FFuser unit error.(The center and side thermistors detect extremely high temperature.) (Detection of hardware.) Error c

2-44Confidential Error code 71Polygon motor error in the laser unit.Error code 72Beam detecting sensor error of the laser unit. Error code 73These e

2-45Confidential Error code 75Cooling down the inside of the machine to protect it. Error code 76Fuser unit error. (The center thermistor detects th

2-46Confidential Error code 7BThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-47Confidential Error code 7EThis error does not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-48Confidential Error code 83Drum unit error. (An drum error occurred after the drum unit reached the end of life.) Error code 84Paper jam at the r

2-49Confidential Error code 85These errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-50Confidential Error code 89Check that the paper smaller than the specified size is not loaded. Error code 8APaper jam at the paper tray and the f

2-51Confidential Error code 8BThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-52Confidential Error code 8E, 8FThese errors do not usually occur in the normal use. The conceivable causes are noise around the installation site,

viiConfidentialREGULATION Approval Information (MFC only)THIS EQUIPMENT IS DESIGNED TO WORK WITH A TWO WIRE ANALOGUE PSTN LINE FITTED WITH THE APPROP

2-53ConfidentialError code 97Error, which cannot be specified, occurs.Error code 98Error, which cannot be specified, occurs.Error code 99Error, which

2-54Confidential Error code 9BThe toner cartridge reached the end of life. Error code 9CThe toner cartridge reached the end of life. (Continue mode

2-55Confidential Error code 9D to 9F, A0These errors do not usually occur in the normal use. The conceivable causes are noise around the installation

2-56Confidential Error code A2During scanning, 90 cm or longer of a document is detected. Error code A3The document scanning position detection actu

2-57Confidential Error code A4The ADF cover is open. Error code A5Scanning failure upon FAX transmission. (Scanning unit failure for the first time.

2-58Confidential Error code A8Scanning color parameter error for recording the image. Error code A9These errors do not usually occur in the normal u

2-59Confidential Error code AEThis error does not usually occur in the normal use. The conceivable causes are noise around the installation site, flu

2-60Confidential Error code B1Dark level offset data level error for scanning.* This error is indicated on the LCD in the maintenance mode.Error code

2-61Confidential Error code B8A/D converter standard voltage failure; at Low side.* This error is indicated on the LCD in the maintenance mode. Erro

2-62Confidential Error code BCThis error does not usually occur in the normal use. The conceivable causes are noise around the installation site, flu