Oki ES5112dn Maintenance Manual Download Page 74

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Shaft-Dup-Clutch

①

④

⑤

②

③

④

⑥

⑤

4.2.3 Duplex Belt

(1) Take out the Frame-Assy-TR. (Refer to 4.2.2)
(2) Remove the cassette and place the printer unit with its right side down.
(3) Remove the E-ring

①

and slide the Shaft-Dup-Clutch in the direction of

the arrow.

(4) Raise the printer unit and remove the screw (Silver)

②

and Frame-Duplex-

Assy

③

(5) Remove the four pieces of Bearing

④

, Roller-Feed-Duplex

⑤

and Duplex-

Belt .

(6) Assembling is performed by the inverse procedure with removing.

4-6

4. REPLACEMENT OF PARTS

Summary of Contents for ES5112dn

Page 1: ...ment is OKI DATA CONFIDENTIAL Only persons and parties authorised by OKI DATA have permissions to access this document This document should not be accessed by any parties without the approval of OKI D...

Page 2: ...nt Revision History Rev No Date Corrected items Person in charge No Page Description of change 1 2014 10 31 Issue P1E18 H Hayashi Rev No Date Corrected items Person in charge No Page Description of ch...

Page 3: ...l Note Manual may be revised and updated at any time without notice Unexpected mistakes may exist in the manual OKI will not assume any responsibility whatsoever for damage to the equipmentrepaired ad...

Page 4: ...he member of maintenance 3 8 3 1 5 Factory Maintenance Menu For a factory 3 9 3 1 6 Self diagnostic Mode Engine Maintenance Mode 3 10 3 1 6 1 Operation panel 3 10 3 1 6 2 Ordinary self diagnostic mode...

Page 5: ...25 Lever In Sensor Lever WR Sensor Photo Interrupter 4 26 4 2 26 Paper feeding roller Roller Pick Up Roller Feed NOW 4 27 4 2 27 Paper feeding roller Roller Assy MPT Paper feeding sub roller 4 28 4 2...

Page 6: ...1 CONFIGURATION 1 1 System configuration 1 2 1 2 Structure of Printer 1 3 1 3 Offer of Options 1 5 1 4 Specifications 1 6 1 5 Interface specifications 1 9...

Page 7: ...ller Stacker cover open SW Toner sensor board Power supply FAN is Option Drum FAN Low voltage power supply unit AC inlet Fuser unit Halogen lamp temperature sensor FUSE Thermostat USB 2 0 LAN 10BASE T...

Page 8: ...rt Paper feeding part Controller Operational part Power supply unit Note Fuser Assy has to be replaced by Assy unit It is forbidden to disassemble Fuser Assy or reuse the disassembled Fuser Assy The c...

Page 9: ...B512dn ES5112dn Figure1 3 1 4 1 CONFIGURATION...

Page 10: ...This product can be installed with the following option 1 Second Tray Unit 1 3 Offer of Options 2 Wireless LAN 1 5 1 CONFIGURATION...

Page 11: ...pefaces 87 PCL fonts 87 PCL fonts 136 PostScript fonts Bitmap Typefaces 4 PCL fonts Line Printer OCR A B USPS ZIP Barcode Barcode 10 types of one dimension with 26 variations UPC A UPC E EAN JAN 8 EAN...

Page 12: ...model B432dn ES4132dn DT High speed model B512dn ES5112dn DT High speed 530 sheet model Operating tempature 10 32 C degree Operating humidity 20 80 Operation panel Type Color Mono LCD Size 16 charact...

Page 13: ...Encrypt secure Print No IC card reader No Remote Firmware update Yes Certification Energy star ver 2 Blue Angel Wi Fi certified WPA2 enterprise supported Emulation PCL SIDM XPS PS PCL SIDM XPS Networ...

Page 14: ...onnector Printer side B receptacle female Upstream port Equivalent of UBR24 4K5C00 made by ACON 2 3 4 1 Connector pin arrangement Cable side B plug male 2 Cable Cable length Specification Cable of USB...

Page 15: ...arrangement 2 Cable Unshielded twisted pair cable with RJ 45 connectors category 5e or later 1 5 2 3 Network Interface Signal Pin No Signal name Functions 1 TRD 0 Transmit and receive Data 0 2 TRD 0...

Page 16: ...1 5 3 1 Outline of Wireless LAN 1 Specification IEEE 802 11a b g n 2 4GHz 5GHz 2 Power supply voltage 5V 3 Printer side interfaces USB USB Port Note In using wireless LAN don t connect a LAN cable to...

Page 17: ...2 Points to be checked before modifying printing problems 2 2 2 3 Points to be checked when the printing problems are modified 2 2 2 4 Preparation for Troubleshooting 2 3 2 5 Troubleshooting Flow 2 4...

Page 18: ...ons 2 Check that consumables image cartridge image drum cartridge are proper replaced 3 Check that the image drum cartridge is proper set 2 3 Points to be checked when the printing problems are modifi...

Page 19: ...isplay of the operator panel The failure status of the printer is displayed don the LCD of the operator panel Take an appropriate action as instructed by the messages displayed on LCD B412dn B432dn B5...

Page 20: ...nitializing PLEASE WAIT Off Off During preparations of initialization Initializing INITIALIZING Off Off The controller side is initializing Initializing MENU RESETTING Off Off Indicates that EEPROM of...

Page 21: ...in a user environment Status levelError code LCD LED Function Ready Atten Normal READY TO PRINT On Off Shows on line status Normal OFFLINE Off Off Shows off line status Ready LED in off line is alway...

Page 22: ...NG MAINTENANCE Varies Blink Indicates that the printer is executing the remote maintenance mode During this mode users have no permission to operate the printer Status levelError code LCD LED Function...

Page 23: ...he tray is empty Treated as Warning until printing to the empty tray is designated TRAY TRAY1 TRAY2 Warning TRAY MISSING Varies On Shown that the cassette is extracted from the tray Treats as warning...

Page 24: ...s that Email receiving has been canceled It has the following possibilities The format of email that has received is illegal or not supported The attached file is illegal or not supported The attached...

Page 25: ...ddress repeats with other machinery Error ONLINE LOAD MEDIA_ SIZE IN MP TRAY AND PRESS ONLINE SWITCH On Off Manual paper feed is required Manually insert the paper shown by MEDIA_SIZE Status levelErro...

Page 26: ...ASH 3 OVERFLOW Downloading failure due to FLASH memory full at starting or during writing in a language file 4 MEMORYFULL Memory reservation failure 5 UNSUPPORTED_DATA Downloading data unsupported on...

Page 27: ...rror code LCD LED Function Ready Atten Error 617 REPLACE TONER ERRCODE NON RECOMMENDED TONER Off Blink It is a toner besides our specification Please exchange to the toner cartridge of an original man...

Page 28: ...CHECK IMAGE DRUM ERRCODE DRUM MISSING Off Blink Indicates that the black image drum is not set properly Error 310 587 CLOSE COVER ERRCODE COVER OPEN Off Blink The cover is open Error 310 Upper Cover E...

Page 29: ...the error occur again Does the error depend on print data No Yes Yes No Yes Reinstall it properly Perform printing again Print other data ReplacetheCU PUboard Ask design people to analyze the data Di...

Page 30: ...d then replace the toner sensor board Replace the CU PU board Display Cause Error details Measure SERVICE CALL 163 ERROR Toner sensor detection error 163 K This error does not occur with the SFP in th...

Page 31: ...rd 01 A short circuit error 02 TAG communication error POWER OFF ON 923 ERROR A lock error with black image drum The image drum does not revolve properly Does the error display is provided again by tu...

Page 32: ...rd power switch board the cable between the low voltage power supply and main board the cable between main board and power switch board No Do Power switch LED blinking rapidly Yes Replace one of follo...

Page 33: ...properly No Connect the IN_WR connector properly Yes Clean the entrance sensor or replace the main board No Replace the paper feed roller pick up roller or paper cassette No Does the paper feed rolle...

Page 34: ...lever work normally It moves freely by touching No Replace the ejection sensor lever Yes Is the EXIT connector of the main board connected properly No Connect the EXIT connector properly Yes Clean the...

Page 35: ...tall the paper ejection sprint appropriately Yes Replace Cover Assy Rear or fuser unit Assy Paper Size Error Error 400 Is the paper which is specified size used No Use a specified size paper Yes Does...

Page 36: ...en turning on the power No Replace the fuser unit Assy low voltage power or main board Yes Replace the fuser unti Assy or the main board Interface Error Error 182 Is the Second Tray unit used Yes Is t...

Page 37: ...fan rotating Yes Replace the main board No Is the DFAN1 connector of the main board connected to the board properly No Connect the DFAN1 connector appropriately Yes Replace the drum fan or main board...

Page 38: ...y Fig 2 2 White paper is outputted Fig 2 2 Vertical black belt Black line Fig 2 2 Periodic failure Fig 2 2 A part of printing is extracted Inefficient fusing when touching the printed sheet printed ch...

Page 39: ...and the PC connector of the LED head are appropriately connected No Install the LED head appropriately Yes Does the contact plate of the transfer roller contact the TR terminal of the high voltage pow...

Page 40: ...er sensor board White paper is outputted Is the LED head appropriately connected Check the HEAD0 connector of the main board and the PC connector of the LED head No Connect the LED head appropriately...

Page 41: ...C connector of LED Head No Install LED Head properly Yes Replace LED Head or Head cable Has the problem been solved Yes Completed No Replace the main board or high voltage power supply unit Periodic f...

Page 42: ...y Yes Clean the LED lens No Does the contact plate of the transfer roller contact the TR terminal of the high voltage power supply unit properly See Figure 2 4 Section 6 2 6 No Adjust the contact plat...

Page 43: ...oping roller Toner supply roller Fuse Charging roller Earth Drum Developing roller Toner supply roller Frame Assy TR Transfer roller Contact plate for transfer Contact plate for transfer High voltage...

Page 44: ...2 28 Fuser Assy Contact plate Figure 2 5 2 Procedures for Repairing...

Page 45: ...the adjustment that is necessary while replacing part Adjustment is performed by modifying the value of parameter that is set on the EEPROM of main PCB board Parameter can be set by key operation tha...

Page 46: ...ife warning is not displayed when Disable is set It is also not output to any of Attention LED PJL MIB Web A status life warning of temporal recovery by opening and closing the cover in a life error s...

Page 47: ...zation will be executed at power cycle If YES is selected reboot takes place and FLASH is initialized at rebooting cycle Category Item Value Default Function Notes ADMIN SETUP OTHERS SETUP FLASH SETUP...

Page 48: ...UIRY DISPLAY ON OFF Specify whether the Job Cancel selection request will be displayed ON Display when Job Cancelling OFF Do not displasy FOCUS POSITION YES NO Specify the default selection of Job Can...

Page 49: ...exit from the menu It will not be executed when there is the printing data CHANGE PASSWORD NEW PASSWORD Allows the password to be changed for the menu s lockout function The underline indicates the en...

Page 50: ...Set up Pn specified TRAYO MPTray by MPTray ID No FX PPR ESCP Emu in CSF control command ESC EM Pn SIDM TRAY1 ID 0 1 9 Set up Pn specified TRAY 1 by Tray 1 ID No FX PPR ESCP Emu in CSF control command...

Page 51: ...fe to the drum life of the standard PN307 If you do not set the extend life this setting is invalid Long Change the drum life to the extend life settings If you do not set the extend life this setting...

Page 52: ...s ARE YOU SURE YES NO When NO is selected return to menu When YES is selected execute to reset Category Item Value Default Function Notes SYS MAINTE MENU FUSE KEEP MODE EXECUTE It will be ONLINE by pr...

Page 53: ...sh ROM When executed exits Menu and starts formatting a flash device installed to resident onboard EEPROM RESET EXECUTE Resets a content of EEPROM to the factory default Reboots automatically after ch...

Page 54: ...is mode is different by setting 4 Self diagnostic mode LEVEL0 and LEVEL1 provides the followings 3 1 6 1 Operation panel The following description on operating the self diagnostic is premised on the o...

Page 55: ...play MENU Toner pulse count status monitor display MENU Tag serial No Last four digits Noise detection count display Error detection count display MENU Main motor constant speed timer value Environmen...

Page 56: ...N TEST T2 PE_PNE_CVO_CA FUSER FAN TEST T2 HOP_LF_FED ID FAN TEST Note If OK is pressed long 2 sec when selecting a motor the motor keeps running MENU MENU MENU MENU B FACTORY MODE SET SENSOR SETTING L...

Page 57: ...7 10 Engine parameter setting SENSOR SETTING Valid Invalid setups of error detection by various sensors Refer to 2 4 1 5 8 11 NVRAM parameter setting NVRAM PARAMETER Do not use this item It is not pos...

Page 58: ...the OK key when the SWITCH SCAN is displayed in the upper row of the display area Pressing the MENU key increments the test item and pressing the MENU key decrements the test item SWITCH SCAN 2 Press...

Page 59: ...HUM_TEMP_DEN Hum Sns AD value H Temperture Sns AD value H DensityK Sns AD value H DensityYMC Sns AD value H 6 DRUM_T Drum Temperture Sns AD value H 7 TONER TAG TAG K presence or absence UID H TAG Y pr...

Page 60: ...the MENU key decrements the test item MOTOR CLUTCH TEST ID MOTOR 3 Pressing the OK key starts the test The unit name starts flashing and the corresponding unit is activated for 10 seconds Refer to Fig...

Page 61: ...ng value Pressing the MENU key decrements the setting value The setting value that is displayed at last is applied Pressing the key determines the entry value and returns to step 2 Repeat step 3 as re...

Page 62: ...It cannot be used for checking PQ 0 Write paper print 1 2x2 print 2 4x4 print 3 Horizontal line print 4 Slash line print 5 Vertical line print 6 White paper print 7 Black paper print 8 to 15 White pa...

Page 63: ...ess the OK key when the CONSUMABLE STATUS is displayed in the upper row of the display area Pressing the MENU key increments the test item and pressing the MENU key decrements the test item 2 When the...

Page 64: ...This self diagnostic menu item is used to switch between the Factory mode and the Shipping mode 1 Enter the self diagnostic mode level 1 and keep pressing the MENU or MENU key until the following mes...

Page 65: ...NU key increments the setting value Pressing the MENU key decrements the setting value 4 While the desired setting value is being displayed press the OK key for long period 3 seconds that registers th...

Page 66: ...when the LED HEAD DATA is displayed in the upper row of the display area Pressing the MENU key increments the test item and pressing the MENU key decrements the test item 2 When the MENU key or the ME...

Page 67: ...ting menu even it is also exist in System Maintenance Menu but because the setting value keeping area is allocated in PU EEPROM AREA in the case of the item of System Maintenance Menu initialized DOT...

Page 68: ...eplacing the Print Board of Controller copy the old EEPROM content to the new EEPROM of new board and then save the customer setting To operate this use Maintenance Utility About the operating method...

Page 69: ...er describes the procedures of the field replacement of parts assemblies and units The procedures are to detach them Reverse the procedures to attach them The reference part numbers used in this manua...

Page 70: ...that is easy to occur electrostatic while dealing with IC such as micro sensor ROM RAM etc and PCB 7 Do not put the print circuit board on the equipment or on the floor directly 8 Do not put the Prin...

Page 71: ...eter 1 5 Pliers 1 6 Handy cleaner 1 Refer to the following Note 7 E ring pliers 1 For E ring removing Note Use vacuum by the type that applying to toner It may cause fire if use normal vacuum Table 4...

Page 72: ...he tab of the Holder Head from the stacker cover by using a flat head screwdriver or something 4 Pull the Holder Head toward you as illustrated below 5 Open the Holder Head by arrow direction and then...

Page 73: ...At this moment Gear TR is also removed 6 Assembling is performed by the inverse procedure with removing Note on removing assembling 1 While assembling pay attention to the up and down direction of Bea...

Page 74: ...right side down 3 Remove the E ring and slide the Shaft Dup Clutch in the direction of the arrow 4 Raise the printer unit and remove the screw Silver and Frame Duplex Assy 5 Remove the four pieces of...

Page 75: ...ide R by opening it from the front side of the printer in the direction of the arrow a b d c e Hole A The next step is B512 only 7 Insert the Minus Driver into the hole B of Guide Cassette R and disen...

Page 76: ...er Side L by opening it from the front side of the printer in the direction of the arrow Hole B Tab The next step is B512 only 5 Insert the Minus Driver into the hole B of Guide Cassette L and disenga...

Page 77: ...e the CU Board 5 Remove the two screws Silver and remove the Plate Shield Support from the CU Board 6 Assembling is performed by the inverse procedure with removing Note on removing assembling 1 Bewar...

Page 78: ...emember the possibility of electric shock to avoid electric shock 4 2 7 Power Supply Unit 1 Remove the Cover Side R Refer to 4 2 4 2 Disconnect all of the three cables from Power Supply Unit Board 3 R...

Page 79: ...ew Silver remove the Switch Assy 4 Remove the screw Silver remove the Duct FAN Power 5 Remove the cable of DC Motor from CU board 6 Remove the three screws Sliver remove the DC Motor 7 Assembling is p...

Page 80: ...ve the two screws Black remove the Plate Clutch MPT 7 Remove the MPT Clutch and the Gear MPT 8 Remove the four screws Silver remove Plate Gear 9 Remove the Gear Reduction 10 Remove the E ring remove t...

Page 81: ...cables from HV Board 4 Disengage the two tabs c and d and remove Motor FAN 5 Assembling is performed by the inverse procedure with removing Note on removing assembling 1 Install Motor FAN with the la...

Page 82: ...ure with removing Note on removing assembling 1 Beware of not to touch the DC motor inattentively Do not rotate motor 4 2 12 Ope PCB Assy 1 Remove the Cover Assy Ope Refer to 4 2 11 2 Remove the two s...

Page 83: ...screws Silver Remove the Cover Eject and Plate Rear At this moment Head cable is also removed 5 With the Cover Assy Stacker closed detach Lever Link Fuser on both sides from the Cover Assy Stacker 6 R...

Page 84: ...2 13 2 Remove the LED Head Refer to 4 2 1 3 Remove the four screws Black remove the Cover Lever 4 Remove the Lever Lock Top Lever Lock Button Remove the Spring Lever Top 5 Assembling is performed by...

Page 85: ...disconnecting two cables from it 5 Remove the Lever Link Fuser Both side 6 Assembling is performed by the inverse procedure with removing Note Fuser Assy may be really hot beware of handling Note on...

Page 86: ...fer to 4 2 11 4 Remove the two screws Silver Remove the Plate Front 5 Remove the two screws Silver Remove the screw Black 6 Remove MPT Assy 7 Remove the Photo Interrupter 8 Assembling is performed by...

Page 87: ...the two screws Black and separate Cover Rear and Guide Eject Upper Assy 7 Remove the Gear Idle 8 Remove the Gear Exit 2 places remove the Bearing Eject_R 2 places Remove the Bearing Feeder 9 Remove t...

Page 88: ...e Rear Assy and Guide Eject Lower Assy 6 Remove the post Remove the Separator SB FD and Spring Separator_SB 7 Remove the Lever Exit Sensor and Spring Sensor Exit 8 Remove the Exit Sensor 9 Assembling...

Page 89: ...ve the Cover Assy Rear Refer to 4 2 17 6 Remove the Guide Eject Lower Assy Refer to 4 2 18 7 Remove the two screws Silver Remove the Plate Gear Exit and Gear 8 Remove the two screws Silver Remove the...

Page 90: ...ver Assy Stacker Refer to 4 2 13 9 Remove the Fuser Assy Refer to 4 2 15 10 Remove the MPT Assy Refer to 4 2 16 11 Remove the Cover Assy Rear Refer to 4 2 17 12 Remove the Guide Eject Lower Assy Refer...

Page 91: ...Spring Sensor from the Guide Cassette L 4 Remove the two screws Silver Remove the Frame inner L 5 Remove the screw Black disengage the two tabs a and b and remove Guide ID L 6 Remove the Spring ID Lo...

Page 92: ...Remove the Guide ID R and Motor Fan X40 Board 974 Spring ID Lock R 7 Remove the screw Silver and screw M4 Remove the Guide Cable 8 Assembling is performed by the inverse procedure with removing Note...

Page 93: ...rse procedure with removing Note on removing assembling 1 Beware of not to touch the DC motor inattentively Do not rotate motor 4 2 24 Roller Feed Assy 1 Separate the Front Assy Refer to 4 2 20 2 Remo...

Page 94: ...or 4 Remove the Lever In Sensor Remove the Spring Sensor 5 Remove the Lever WR Sensor Remove the Spring Sensor 6 Remove the two Photo Interrupter 7 Assembling is performed by the inverse procedure wit...

Page 95: ...black that is on the left of the feed roller 4 Pull out the feed roller downward 5 Assembling is performed by the inverse procedure with removing Note on removing assembling 1 To install the feed roll...

Page 96: ...emove the feed sub roller by rotating it toward you 5 Open the feed roller cover by pushing its tab to the upwards and rotate 6 Remove the MPT roller by rotating it toward you Note 1 To install the fe...

Page 97: ...e 2 Open the Retard Cover by pushing two tabs in the directions of the arrows 3 Remove Frame Assy Retard by pushing it in the direction of the arrow Spring Retard is removed together 4 Assembling is p...

Page 98: ...sassembling job However if lubricating oil has been wiped off supply the specified oil Lubricating work 1 Symbols and names of oils EM 30LP MOLYKOTE EM 30LP Tetra Tetra C 9310 or C 5005 HANARL HANARL...

Page 99: ...normal amount of Tetra C 9310 or C 5005 to the hatched areas Contact surface 1 Plate Assy Side R EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Shaft end surface side...

Page 100: ...mal amount of MOLYKOTE EM 30LP to the hatched areas Gear tooth surface Gear Reduction Z14 Z70 Plate Gear Eject_Caulking Plate Hopping Assy Shaft Roller Feed Roller Feed EM 30LP Class C Apply a normal...

Page 101: ...YKOTE EM 30LP to the hatching areas Shaft end surface side Note 1 Note 1 Frame Regist Shaft Idle Dup Roller Pinch Shaft Idle Dup Roller Pinch EM 30LP Class A Apply a normal amount of MOLYKOTE EM 30LP...

Page 102: ...MOLYKOTE EM 30LP to the hatching areas Shaft end surface side Frame Assy Regist Gear Idle MPT Z35 Plate Feed B_Caulking Gear Idle Z35 Gear Reduction MPT Z37 20 EM 30LP Class C Apply a normal amount of...

Page 103: ...amount of MOLYKOTE EM 30LP to the hatched areas Side of roller and ditch of shaft The other side is also the same Two places in total Shaft Idle Dup Roller Pinch Spring Torsion Pinch Note 1 Note 1 EM...

Page 104: ...ar teeth Of 2 places EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to surface of the post bearing portion the flange portions 2 Frame Assy MPT Boss Coupling HANARL SF 133 Class C Leave it...

Page 105: ...MOLYKOTE EM 30LP to bearing surface of the shaft EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to flange surface Roller Pinch Shaft Idle Dup EM 30LP Class A Apply a normal amount of MOLYK...

Page 106: ...Bearing sliding surface EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Gear tooth surface C 9310 or C 5005 Class A Apply a normal amount of Tetra C 9310 or C 5005 to t...

Page 107: ...d areas Shaft end surface side EM 30LP Class A Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Shaft end surface side EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the ha...

Page 108: ...y Side R EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the sliding surface with Drum Shaft hatched areas EM 30LP Class F Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of...

Page 109: ...tes drying time after painting HANARL SF 133 and then Assemble the Lever Lock Button HANARL SF 133 should not protrude outside from the exterior surface Leave it for about 30minutes drying time after...

Page 110: ...5 1 Cleaning 5 2 5 2 Cleaning of LED lens array 5 3 5 3 Cleaning the Feed rollers and the Retard roller 5 4 5 4 Cleaning the MPT Feed rollers 5 6 5 PERIODIC MAINTENANCE...

Page 111: ...and dust in the printer inner section Clean the inside of and the periphery of the printer with the cloth as needed Clean the printer inner section with the handy cleaner maintenance tool Note Do not...

Page 112: ...placed Note As for the LED lens array clean it with soft tissues or soft cloth after eliminating static electricity of a maintenance tool 3 Wipe the whole LED head softly with the soft tissues or clot...

Page 113: ...leaning the Feed rollers and the Retard roller 3 Wipe two paper feed rollers inside the printer with a soft cloth that has been slightly moistened with water and then squeezed well Note Use water only...

Page 114: ...ller 4 Wipe two paper feed rollers in the tray with a soft cloth that has been slightly moistened with water and then squeezed well Note Use water only 5 Push the tray back into the printer 5 Periodic...

Page 115: ...rollers 1 Power off the printer 2 Open the MPT 3 Close the MPT gently to a position where the left and right tabs fit the arm grooves tab arm 4 Separate the tabs on the roller guide from the left and...

Page 116: ...contact with the printer 6 Wipe the two feed rollers with a tightly wrung cloth soaked in water through the opening for MPT Note Use water only roller guide 7 Close the MPT is performed by the inverse...

Page 117: ...6 1 Connection diagram 6 2 6 2 Board Layout 6 3 6 3 Resistance value 6 11 6 CONNECTION DIAGRAM...

Page 118: ...r Face Up Down Switch Toner Sensor LeD HeaD assy USB i F USB Lan network i F Cover open micro SW inter Lock SW no connection High Voltage Power Supply iD Unit Toner Cartridge TR Roller motor Fan Fuser...

Page 119: ...R115 R116 Q22 R112 R100 R97 C38 C65 C66 C67 C68 28 1 HVIF F5 1 50 MFPIF CP7 D7 D10 Y A AF AF A 1 26 26 1 10 20 20 10 K IC20 14 1 1 14 A P A P IC23 IC4 R60 T A A T 9 1 9 1 IC10 R62 T A A T 9 1 9 1 IC11...

Page 120: ...8 R647 R664 R657 R514 R511 R510 R534 R618 R616 R704 C671 C534 C670 C681 R676 C532 C673 R677 R646 R669 C526 R584 C535 R635 C504 C527 R684 R581 R529 R535 R536 R542 R662 R582 R663 R615 C572 C581 R502 R58...

Page 121: ...JP15 JP14 JP13 JP11 JP10 JP9 JP8 JP7 JP1 JP25 JP20 JP19 JP5 JP3 LED3 LED2 LED1 SW7 SW6 SW5 SW4 SW3 SW2 SW1 11 1 CN2 CN1 16 2 15 1 37C 1 1 45709999 Board 37C BACK ONLINE CANCEL ONLINE ATTENTION PWSAVE...

Page 122: ...6 6 3 Soft power switch Board Component side 1 4 44711699 2 2 P6A CN1 4 Toner sensor Board Component side SNS CN 1 C E K A 3 1 1 44413799 97T 6 Connection Diagram...

Page 123: ...DARY 250V 250V T5A 230V 100V 120V HS1 HS2 30L HS3 WARNING CAUTION T16A CP4 F2 BD1 IC1 D2 CP5 CP6 CN1 3 1 CP2 CP3 C1 C5 C6 C7 C8 Z1 IC2 Q2 CN4 PC1 PC2 PC3 PC4 JP9 JP19 JP5 JP8 JP20 JP22 JP23 JP25 JP11...

Page 124: ...547 R507 R508 R510 R545 R546 R544 R550 R549 R548 R553 R552 R551 R541 R542 R538 C507 R528 R531 R561 R562 R563 RJ503 RJ504 RJ505 R573 ZD506 R543 R537 R513 C528 C529 R572 R574 R570 R569 C535 BF501 R576 Z...

Page 125: ...P34 JP33 JP32 JP31 JP30 JP29 JP28 JP27 JP26 JP25 JP24 JP23 JP22 JP21 JP20 JP19 JP18 JP17 JP16 JP15 JP14 JP13 JP12 JP11 JP10 JP9 JP8 JP7 JP6 JP5 JP4 JP3 JP2 JP1 D12 D11 D10 D9 D8 D7 D6 D5 D4 D3 D2 D1 C...

Page 126: ...619 R616 R615 R614 R612 R611 R609 R608 R602 R600 R598 R596 R595 R593 R590 R589 R587 R586 R585 R584 R583 R580 R579 R578 R577 R553 R542 R541 R539 R513 R512 R511 R510 R503 Q508 Q501 D517 D516 D513 D512 C...

Page 127: ...t MP Tray Cable Cable Cable Color Black Hopping Blue Regist Yellow MP Tray 1 2 C Between Pin1 and Pin2 240 Fuser Unit Assy 1 2 3 4 Thermostat Heater Thermistor Heater Thermistor Between Pin1 and 2 Sev...

Page 128: ...it Diagram Part Diagram Resistance Value FAN Motor Fuser Red Black 24 V 1 FANALM N 3 0 V 2 M FAN Motor Drum FAN Motor Power Red Black 5 V 1 FANALM N 3 0 V 2 M Red Black 5 V 1 FANALM N 3 0 V 2 M 6 Conn...

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Oki ES5112dn, Maintenance Manual

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