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Oki Data CONFIDENTIAL

2. Operational explanation

44983601TH Rev.1

2-8 /

(1) Paper feeding from Tray 1

1. As DC motor rotating (Clockwise rotation), if set the paper feeding clutch as ON, as the paper

feeding roller and pick up roller rotating, the paper that is inside the tray is conveyed.

2. The paper is conveyed by the conveying roller. After the entrance sensor level set to be ON, it

bumps into the stopping resist roller, a certain more amount of paper is conveyed. (This corrects
the paper skew.)

3. If set the resist clutch as ON, the paper is conveyed by resist roller.

DC motor
(Clockwise rotation)

Paper feeding roller

Paper feeding clutch

Pickup roller

Conveying roller

Registration clutch

Registration roller

Paper

Entrance sensor lever

Writing out sensor lever

(2) Paper feeding from Multipurpose tray (MPT)(B431)

1. As DC motor rotating (Clockwise rotation), if set paper feeding clutch as ON the MPT paper feeding

roller starts to rotate, the paper in the tray is conveyed.

2. After setting the entrance sensor lever as ON, the paper bumps into the stopping resist roller, a certain

more amount of paper is conveyed. (This corrects the skew of paper.)

3. If set the resist clutch as ON, the paper is conveyed by resist roller.

DC motor
(Clockwise rotation)

MPT paper feeding roller

Paper feeding clutch

Registration clutch

Registration roller

Paper

Entrance
sensor lever

Writing out
sensor lever

Содержание B431L6

Страница 1: ...1 Maintenance Manual This document 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...

Страница 2: ...44983601TH Rev 1 ii Oki Data CONFIDENTIAL Document Revision History Rev No Date Corrected items Person in charge No Page Description of change 1 2012 02 14 ISSUE EMD12 T Ishikuro...

Страница 3: ...781 781 Interface USB 2 0 Parallel Ethernet N A N A Auto Duplex Standard Standard Standard Standard Monthly Duty Cycle Maximum 80 000 pages 80 000 pages 80 000 pages 80 000 pages Starter Toner ISO1975...

Страница 4: ...Input capacity 880 880 Interface USB 2 0 Parallel Ethernet N A Auto Duplex Standard Standard Monthly Duty Cycle Maximum 80 000 pages 80 000 pages Starter Toner ISO19752 2 000 2 000 Toner life ISO19752...

Страница 5: ...3 Parts replacement method 3 5 3 3 1 LED Head 3 6 3 3 2 Roller Transfer 3 7 3 3 3 Duplex Belt 3 8 3 3 4 Cover Side R 3 9 3 3 5 Cover Side L 3 10 3 3 6 CU Board 3 11 3 3 7 PWB unit ACDC Switch 3 12 3...

Страница 6: ...roller 5 2 6 Procedures for Repairing 6 1 6 1 Troubleshooting 6 1 6 2 Points to be checked before modifying printing problems 6 1 6 3 Points to be checked when the printing problems are modified 6 1 6...

Страница 7: ...Retard Appendix C 12 4 Cleaning of Paper Feed Roller and Separation Roller Appendix C 13 5 Procedure for Troubleshooting Appendix C 14 5 1 Precautions for Troubleshooting Appendix C 14 5 2 Preparatio...

Страница 8: ...idge Image drum cartridge High voltage power supply uint Low voltage power supply unit Fuser unit Main DC Motor 2nd tray unit Additionally installed memory Hopping clutch 1st Register clutch Hopping c...

Страница 9: ...parts Electrophotographic processing part Paper feeding part Controller Operational part Power supply unit Figure1 2 B401d B401dn B411d B411dn Note Fuser Assy has to be replaced by Assy unit It is fo...

Страница 10: ...Oki Data CONFIDENTIAL 1 CONFIGURATION 44983601TH Rev 1 1 3 B431d B431dn Figure1 3 25...

Страница 11: ...ptional Configuration The options attached to the printer are as follows These options can be ordered respectively for the printer main unit 1 Second tray unit B411 B431 2 Additionally installed memor...

Страница 12: ...215 9 279 4 8 5 11 Legal 13 inch 215 9 330 2 8 5 13 Legal 13 5 inch 215 9 342 9 8 5 13 5 Legal 14 inch 215 9 355 6 8 5 14 Statement 139 7 215 9 5 5 8 5 Executive 184 15 266 7 7 25 10 5 16K 184 260mm...

Страница 13: ...e up 7 Printing speed Continuous printing Maximum 29 ppm B401 33 ppm B411 38 ppm B431 A4 At copy mode First try For the resolution degree of 600 x 2400 if to enhance the printing quality the printing...

Страница 14: ...round level 15 Consumables Toner cartridge Approx 1 500 piece Approx 2 500 piece Approx 3 000 piece Approx 4 000 piece Approx 10 000 piece A4 ISO IEC 19752 Continuous printing as printing paten But ex...

Страница 15: ...CCI label and Serial No label have been attached on the specified part of printer as shows below 1 5 2 Warning label Warning label has been attached on the part of printer that may cause injury to the...

Страница 16: ...is a risk of electric shock in the middle of the heat sink and transformer Be sure to check before touch it It may happen that the electricity has still left on the electrical circuit even after the f...

Страница 17: ...the exposed part of image drum surface becomes lower Then forms electrostatic latent image 3 Development Negative charged toner is attracted to the electrostatic latent image due to electrostatic whi...

Страница 18: ...to the negative charged image drum When the surface electric potential of exposed part of the image drum goes to decrease the electrostatic latent image complying with image signal is formed Image dru...

Страница 19: ...between the image developing roller and toner toner is attracted to the image developing roller Image drum Charged roller Image developing plate Toner supply roller Image developing roller 2 The toner...

Страница 20: ...The necessary bypass voltage in image processing is impressed on the toner feeding roller and image developing roller as show below Image drum Basic material Toner feeding roller While the cover is cl...

Страница 21: ...transferred to the surface of feeding paper by the plus charge of the backside of the paper Image drum Transfer roller Paper Power 5 Fusing After the termination of transfer the unsettled toner image...

Страница 22: ...the image drum is cleaned and the remaining toner that has been scraped off is collected as waste toner in a waste toner area Transfer roller ID Unit Waste toner area Image drum Cleaning blade 7 Stati...

Страница 23: ...plex unit by the reverse rotation of the first and the second ejecting rollers in a certain period of time after the paper rear end passes the fuser unit The paper is conveyed by the conveying roller...

Страница 24: ...on Paper feeding roller Paper feeding clutch Pickup roller Conveying roller Registration clutch Registration roller Paper Entrance sensor lever Writing out sensor lever 2 Paper feeding from Multipurpo...

Страница 25: ...tor After the DC motor starts running clockwise the heat roller starts rotating 2 Simultaneously the eject motor starts running counterclockwise and then the eject roller starts rotating and ejects pa...

Страница 26: ...wise and then the eject roller rotates in the reverse direction clockwise 2 By the inverse rotation of the eject roller the paper is inversely rotated and conveyed to Duplex 3 Paper is conveyed by Dup...

Страница 27: ...sensor are facing each other at an improper position due to improper setting of the ID unit or any reasons toner low cannot be detected correctly and a toner sensor error occurs Toner count principle...

Страница 28: ...sassembling because it is easy to be lost 6 Do not use the gloves 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 boar...

Страница 29: ...h 3 1 Graph 3 1 Maintenance tools No Maintenance tools Quantity Application Remark 1 No 2 200 Magnetic driver 1 3 5mm Screw 2 No 3 100 Driver 1 3 No 5 200 Driver 1 4 Digital multi meter 1 5 Pliers 1 6...

Страница 30: ...Oki Data CONFIDENTIAL 3 Parts replacement 44983601TH Rev 1 3 3 3 2 Parts layout This section explains the main parts layout of the equipment Figure 3 1 B401d B401dn B411d B411dn...

Страница 31: ...Oki Data CONFIDENTIAL 3 Parts replacement 44983601TH Rev 1 3 4 Figure 3 2 B431d B431dn 25...

Страница 32: ...r Assy 3 3 18 Eject Motor 3 3 19 Fuser Assy 3 3 15 Roller Regist 3 3 23 Roller Feed Assy 3 3 24 Plate Side R Assy Plate Side L Assy Front Assy 3 3 20 Plate Side L Assy 3 3 21 Plate Side R Assy 3 3 22...

Страница 33: ...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 remove the hook remove the LED Assy 6 Remove the FFC cable...

Страница 34: ...R on the both side and then lift up the Roller Transfer At this moment Gear TR is also removed 6 Installing is performed by the inverse procedure with removing Note on removing installing 1 While inst...

Страница 35: ...e cassette and set the printer unit on its right side 3 Remove the E ring and slide the Shaft Dup Clutch in the direction of the arrow 4 Remove the screw Silver and Frame Duplex Assy 5 Remove the four...

Страница 36: ...ver Assy Rear 3 Remove the screw Silver 4 Disengage the four tabs a to d and remove Cover Side R by opening it from the front side of the printer in the direction of the arrow 5 Installing is performe...

Страница 37: ...emove the cassette 2 Open MPT the Cover Assy Stacker and the Cover Assy Rear 3 Disengage the four tabs a to d and remove Cover Side L by opening it from the front side of the printer in the direction...

Страница 38: ...screw Silver Small remove the two screw Silver 4 Disconnect every cord from CU Board and remove the CU Board 5 Installing is performed by the inverse procedure with removing Note on removing installin...

Страница 39: ...the suface of the AC Switch and remove the Holder Switch from the part of AC Switch with through cables to the groove by removing the Plate on the Holder Switch 9 Assembling is performed by the inver...

Страница 40: ...2 Remove the five screws Silver Remove the Plate Shield 3 Remove the cable of DC Motor from CU board 4 Remove the three screws Silver remove the DC Motor 5 Installing is performed by the inverse proc...

Страница 41: ...tch 10 Remove the E ring remove the Hopping Clutch 11 Remove the MPT Clutch and the Gear MPT only B431 12 Remove the screw Silver 18mm remove Motor FAN 13 Installing is performed by the inverse proced...

Страница 42: ...e two tabs c and d and remove Motor FAN 5 Installing is performed by the inverse procedure with removing Note on removing installing 1 Install Motor FAN with the label side outward and with its notch...

Страница 43: ...to 3 3 4 3 3 5 2 Remove the five screws Silver Remove the Plate Shield 3 Remove the FFC cable from the CU board 4 Remove the two screws Black Remove the Cover Assy Ope 5 Installing is performed by th...

Страница 44: ...983601TH Rev 1 3 17 3 3 12 Ope PCB Assy B431 1 Remove the Cover Assy Ope Refer to 3 3 11 2 Remove the two screws Black 3 Remove the Ope PCB Assy 4 Remove the FFC cable and the LCD 5 Installing is perf...

Страница 45: ...this moment Plate Rear is also removed 3 With the Cover Assy Stacker closed detach Lever Link Fuser on both sides from the Fuser Assy release lever by using a flat head screwdriver or something 4 Remo...

Страница 46: ...replacement 44983601TH Rev 1 3 19 7 Remove the Cover Assy Stacker 8 Installing is performed by the reverse procedure with removing Note on removing installing 1 Beware of not to touch the DC motor ina...

Страница 47: ...Assy Stacker Refer to 3 3 13 2 Remove the LED Head Refer to 3 3 1 3 Remove the Lever Link Fuser on both sides 4 Remove the four screws Black remove the Cover Lever 5 Remove the Lever Lock Top Lever L...

Страница 48: ...Assy 4 Remove the screw Silver Remove the Plate Stacker Lock 5 Remove the screw Silver and screw Black and lift off Fuser Assy after disconnecting every cable from it 6 Installing is performed by the...

Страница 49: ...3 3 11 3 Remove the two screws Silver Remove the Plate Front 4 Remove the two screws Silver Remove the screw Black 5 Remove MPT Assy of B431 or Manual Assy of B401 B411 6 Installing is performed by t...

Страница 50: ...e Cover Side R and Cover Side L Refer to 3 3 4 3 3 5 2 Remove the CU Board Refer to 3 3 6 3 Remove the Sheet Insulation CU 4 Remove the Spacer 5 Slide Cover Assy Rear and pull it out of the hole on th...

Страница 51: ...aces remove the Bearing Eject_R 2 places Remove the Bearing Feeder 2 places 9 Remove the Shaft Assy Eject 2 places 10 Remove the Separator FU Remove the Spring Separator_FU 11 Remove the Stacker Senso...

Страница 52: ...ent Plate Rear is also removed 5 Remove the two screws Silver 8mm Remove the Cover Cassette Rear Assy and Guide Eject Lower Assy 6 Remove the post Remove the Separator SB FD 7 Remove the Lever Exit Se...

Страница 53: ...4 Remove the Fuser Assy Refer to 3 3 15 5 Remove the Cover Assy Rear Refer to 3 3 17 6 Remove the Guide Eject Lower Assy Refer to 3 3 18 7 Remove the two screws Silver Remove the Plate Gear Exit and G...

Страница 54: ...y Stacker Refer to 3 3 13 9 Remove the Fuser Assy Refer to 3 3 15 10 Remove the MPT Assy Manual Assy Refer to 3 3 16 11 Remove the Cover Assy Rear Refer to 3 3 17 12 Remove the Guide Eject Lower Assy...

Страница 55: ...assette 3 Remove Lever Sensor Cassette and 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 r...

Страница 56: ...crews Silver screw Black Remove the Guide ID R and Motor Fan X40 Board 974 Spring ID Lock R 7 Remove the Guide Cable 8 Installing is performed by the inverse procedure with removing Note on removing i...

Страница 57: ...r Idle MPT Remove the Gear Reduction MPT B431 only 4 Remove the E ring Remove the Regist Gear 5 Remove the Gear Pressure 6 Remove the screw Black Remove the Plate Contact REG 7 Remove the two screws B...

Страница 58: ...is removed with the plate 3 Remove the two screws Black Separate the Regist Assy 4 Remove the two screws Silver Remove the Frame Hopping Upper 5 Remove the two Gear Roller Feed Remove the two Bush Fe...

Страница 59: ...e two screws Black Remove the Holder Sensor 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 Installing...

Страница 60: ...pushing the tab downward open the cover black that is on the left of the feed roller 4 Pull out the feed roller downward 5 Installing is performed by the inverse procedure with removing Note on removi...

Страница 61: ...support 3 Open the feed roller cover by pushing its tab to the right 4 Remove the feed roller by rotating it toward you 5 Installing is performed by the inverse procedure with removing Note on removi...

Страница 62: ...g Retard 1 Remove the cassette 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 remov...

Страница 63: ...points must not be lubricated There is no need to lubricate in the midst of a disassembling job However if lubricating oil has been wiped off supply the specified oil Lubricating work 1 Symbols and n...

Страница 64: ...Oki Data CONFIDENTIAL 3 Parts replacement 44983601TH Rev 1 3 37 Plate Assy Side L C 9310 or C 5005 Class A Apply a normal amount of Tetra C 9310 or C 5005 to the hatched areas Contact surface...

Страница 65: ...te Assy Side R 2 Plate Assy Side R EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the sliding surface with Drum Shaft hatched areas Plate Assy Side R EM 30LP Class D Apply MOLYKOTE EM 30...

Страница 66: ...f MOLYKOTE EM 30LP to the hatched areas Shaft end surface side Plate ID Gear Caulking EM 30LP Class C Apply MOLYKOTE EM 30LP at the 3 places 120 divide on the hatched areas Gear tooth surface EM 30LP...

Страница 67: ...Rev 1 3 40 Frame Assy Hopping EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatching areas Shaft EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatching areas Shaf...

Страница 68: ...rmal 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 EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to...

Страница 69: ...e Assy Regist EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatching areas Shaft end surfaced side Grease prohibition EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to th...

Страница 70: ...ent 44983601TH Rev 1 3 43 1 Front Assy EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatching areas Post end surface side Gear Idle Z35 Plate Feed B_Caulking Gear Idle MPT Z35 Frame...

Страница 71: ...Oki Data CONFIDENTIAL 3 Parts replacement 44983601TH Rev 1 3 44 2 Front Assy EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Shaft end surface side Plate Feed B_Caulking...

Страница 72: ...ller Pinch Spring Torsion Pinch Note 1 Shaft Idle Dup Note 1 EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Center of shaft Note 1 EM 30LP Class A Apply a normal amount...

Страница 73: ...46 1 Guide Assy Eject U EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the whole circle of gear teeth Of 4pcs EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to surface of the...

Страница 74: ...n to see the sliding area off EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to flange surface EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to bearing surface of the shaft EM 3...

Страница 75: ...e Assy TR EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatching areas Bearing sliding surface EM 30LP Class C Apply a normal amount of MOLYKOTE EM 30LP to the hatched areas Gear to...

Страница 76: ...t of MOLYKOTE EM 30LP to the hatched areas Side of roller and ditch of shaft The other side is also the same Four places in total EM 30LP Class B Apply a normal amount of MOLYKOTE EM 30LP to the hatch...

Страница 77: ...TH Rev 1 3 50 3 Frame Assy TR C 9310 or C 5005 Class A Apply a normal amount of Tetra C 9310 or C 5005 to the hatched areas Contact surface C 9310 or C 5005 Class A Apply a normal amount of Tetra C 93...

Страница 78: ...hatched areas Shaft end surface side EM 30LP Class A Apply a normal amount of MOLYKOTE EM 30LP to thehatched areas Shaft end surface side Grease prohibition EM 30LP Class B Apply a normal amount of MO...

Страница 79: ...Oki Data CONFIDENTIAL 3 Parts replacement 44983601TH Rev 1 3 52 Fuser Assy C 9310 or C 5005 Class A Apply a normal amount of Tetra C 9310 or C 5005 to the hatched areas Contact surface...

Страница 80: ...set by Configuration Tool Category Operation panel display Default value Function Only English is supported for panel display Setting item Upper case Setting item Lower case OP MENU ALL CATEGORY ENABL...

Страница 81: ...lay Condition NIC full assembled MEMORY MENU ENABLE DISABLE Set Category MEMORY MENU Enable Disable Set to Disable Category MEMORY MENU OF user menu is not displayed SYS ADJUST MENU ENABLE DISABLE Set...

Страница 82: ...er switch then the following message is displayed ARE YOU SURE YES NO If NO is selected return to original MENU display If YES is selected immediately remove the MENU and starts to delete operation af...

Страница 83: ...nd move Select by Key SETTING and press key MENU MENU Select by Key SETTING and press key MENU MENU Select by Key SETTING and press key MENU MENU Select by Key SETTING and press key MENU MENU Select b...

Страница 84: ...y Key SETTING and press key MENU MENU Select by Key SETTING and press key MENU MENU Select by Key SETTING and press key MENU MENU Select by Key SETTING and press key MENU MENU Select by Key SETTING an...

Страница 85: ...e format of Flash Device that is implemented on resident on board starts MENU RESET EXECUTE Reset the EEPROM content to the Factory Default setting value After the setting alteration it reboots automa...

Страница 86: ...equipment sets IBM PPR and EPSON FX as Enable yet ESC P as Disable IBM PPR III XL ENABLE DISABLE E J EPSON FX ENABLE DISABLE E J ESC P ENABLE DISABLE J E PS3 EMULATION ENABLE DISABLE PCL XL ENABLE DI...

Страница 87: ...ndscape DOTSHIFT of Manual Slot while printing Item is displayed even Tray 2 is not implemented In this area even EEPROM RESET such as ROM Ver UP is not initialized Only B401 B411 is used MPT 2 0MILLI...

Страница 88: ...ss Key SETTING Press Key SETTING Press Key MENU MENU and move Press Key MENU MENU and move Press Key MENU MENU and move Select by Key SETTING and press key MENU MENU Select by Key SETTING and press ke...

Страница 89: ...R 0 0MILLIMETER 0 5MILLIMETER 2 0MILLIMETER MPT 2 0MILLIMETER 1 0MILLIMETER 1 5MILLIMETER 1 0MILLIMETER 0 5MILLIMETER 0 0MILLIMETER 0 5MILLIMETER 2 0MILLIMETER ENGINE DIAG MODE INITIALIZING ONLINE Pre...

Страница 90: ...enu 3 The release method of this mode is different by setting 4 Self diagnostic mode LEVEL0 and LEVEL1 provides the followings 4 1 3 1 Operation panel The following description on operating the self d...

Страница 91: ...K toner sensor status monitor display 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 cons...

Страница 92: ...CA T2 HOP CLUTCH T2 HOP_LF_FED T2 REG CLUTCH LV FAN TEST FUSER FAN TEST 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 S...

Страница 93: ...tting SENSOR SETTING Valid Invalid setups of error detection by various sensors Refer to 2 4 1 5 8 9 LED Head serial number display LED HEAD DATA LED Head serial number display It is not possible to o...

Страница 94: ...H 2 L 3 H 4 L Activate the respective units Figure 4 1 Status of the respective units are displayed on the corresponding areas of the LCD display Display changes depending on each sensor Refer to Tab...

Страница 95: ...U Cover Upper H Close L Open Cover Rear H Open L Close Cover Face Up H Open L Close 4 HT THERMISTER Upper Side Thermister AD value H 5 HUM_TEMP_DEN Hum Sns AD value H Temperture Sns AD value H 6 TONER...

Страница 96: ...e status of step2 and is re activated when the corresponding switch is pressed The clutch solenoid repeats turning on and off during the normal print drive If a clutch solenoid cannot be activated ind...

Страница 97: ...HOP CLUTCH MAIN MOTOR driving MPT HOP CLUTCH 1 MAIN MOTOR driving DUP FEED CLUTCH 2 MAIN MOTOR driving T2 HOP CLUTCH TRAY2 MOTOR driving OPTION T2 REGIST CLUTCH TRAY2 MOTOR driving OPTION LV FAN TEST...

Страница 98: ...r row of display area and the setting value is displayed in the lower row of display area Pressing the MENU key increments the setting value Pressing the MENU key decrements the setting value The sett...

Страница 99: ...se of the PU test print Panel display Details PAPER END SELECTED TRAY No paper SELECTED TRAY IS NOT INSTALLED Selected tray is not installed INSTALL CASSETTE TRAY OPEN Cassette removal Print pattern I...

Страница 100: ...op voltage setting table ID number unit HEX Displays are switched by pressing the MENU key TR1 k TR2 k TRl Transfer voltage parameter VTR1 table ID number unit HEX TR2 Transfer voltage parameter VTR2...

Страница 101: ...f toner consumption K STC MODE CNT 8192 DEC DOT It shows the number of print dot counts of the toner It is a cumulative value counted after the first use of the printer K OVER RIDE CNT TIMES DEC Times...

Страница 102: ...splayed FACTORY MODE SHIPPING MODE 3 While the desired item to set is being displayed press the OK key that enables selection of the setting values 4 While the desired setting value is being displayed...

Страница 103: ...While the desired setting value is being displayed press the OK key for long period 3 seconds that registers the displayed value in EEPROM Returns to the status of step 2 5 Repeat steps 2 to 4 as req...

Страница 104: ...y repeatedly and press the OK key 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...

Страница 105: ...factory default it is ECO MODE MODE2 1 Setting method 1 Switch on the power of printer 2 After ON LINE appears open the Stacker Cover 3 Press ON LINE switch for 5 second Open the Top Cover by ONLINE...

Страница 106: ...apping check error at the time of a power on 3 7 System Maintenance Menu EEPROM RESET Operation 4 1 Destination Check is for the operation on the different product destination with the previously oper...

Страница 107: ...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 of Maintenance Utility refer to Maintenance...

Страница 108: ...ray clean it with soft tissues or soft cloth after eliminating static electricity of a maintenance tool 5 Periodic Maintenance While lines or White belt White spot pale printing 5 1 Periodic Replaceme...

Страница 109: ...he Retard roller 1 Wipe the two feed rollers with a tightly wrung cloth soaked in water through the opening for installation of a paper cassette Note Use water only 2 Wipe the Retard roller of the pap...

Страница 110: ...rtridge are proper replaced 3 Check that the image drum cartridge is proper set 6 3 Points to be checked when the printing problems are modified 1 Make sure not to touch the surface of the image drum...

Страница 111: ...ged the power is not turned off during the display Normal RAM CHECK OFF OFF In checking RAM Since the flash memory may be damaged the power is not turned off during the display Normal FLASH CHECK OFF...

Страница 112: ...the power is not turned off during the display Normal DATA ARRIVE Not determined Not determined In receiving data Normal PROCESSING Blinking Not determined In receiving data Or Received data is being...

Страница 113: ...determined ON The appropriate toner cartridge is not installed Set the appropriate toner cartridge Warning NON GENUINE TONER Not determined ON Indicates the toner cartridge is not for use in the prin...

Страница 114: ...AME 8 CANT DEL ROOT 9 NOT FILE 10 NOT DIRECTORY 11 NOT SAME VOLUME 12 READ ONLY 13 ROOT DIR FULL 14 DIR NOT EMPTY 15 BAD DISK 16 NO LABEL 17 INVALID PARAMETER 18 NO CONTIG SPACE 19 CANT CHANGE ROOT 20...

Страница 115: ...ailed 5 UNSUPPORTED_DATA Downloading of the data not supported by the printer Error Online NETWORK CONFIG WRITING Not determined Not determined In storing network board configuration Error 581 CLOSE F...

Страница 116: ...s occur while paper is fed in a paper path Open the top cover to remove a jammed sheet Error 381 382 389 OPEN UPPER COVER nnn PAPER JAM OFF Blinking Paper jams occur while paper is fed in a paper path...

Страница 117: ...f the PostScript language 4 Reboot from Network Utility including Web Error SHUTTING DOWN OFF OFF In shutting down It is displayed only for printer not supporting Lot6 power spec Error SHUTDOWN OFF OF...

Страница 118: ...Unit Fan Error 134 Black LED Head Missing 153 Black Image Drum Fuse Cut Error 163 Black Toner Sensor Error 170 Upper Thermistor Circuit Shortened 171 Upper Thermistor Circuit Opened 172 Upper Heater H...

Страница 119: ...e troubleshooting flowchart displayed below to solve the trouble No Trouble Flowchart No 1 The printer does not work normally after tuning on the power 2 Jam Alert Paper feed jam Paper path jam Paper...

Страница 120: ...f the main board and GND short out Check with 18 pins and 35 pins of CENT connector No Replace the low voltage power Yes Replace the main board Yes The flexible cable of the operator panel Assy is app...

Страница 121: ...ctor of the main board connected 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 casse...

Страница 122: ...r lever Yes Does the ejection sensor 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...

Страница 123: ...o Does the ejection sensor lever work normally It moves freely by touching No Replace the ejection sensor lever Yes Clean the ejection sensor or replace the parts Yes Is the paper ejection roller appr...

Страница 124: ...ly by touching No Replace the entrance sensor lever or clean the entrance sensor Yes Does the write sensor lever work appropriately It moves freely by touching No Replace the write sensor lever or cle...

Страница 125: ...r appropriately Yes Is the heater ON when 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 Thermistor connector Hea...

Страница 126: ...or main board Duct Fan Error Error 127 Is the duct fan rotating Yes Replace the main board No Is the fan connector of the main board connected to the board properly No Connect the fan connector approp...

Страница 127: ...he white section is dirty Vertical black belt Black line Periodic failure Vertical white belt White line White paper Trouble Flowchart number Pale printing or the whole printing is faded Fig 6 2 The w...

Страница 128: ...minal of the high voltage power supply unit properly See Figure 6 4 Section 7 2 3 No Adjust the contact plate of the transfer roller so that it contacts the TR terminal of the high voltage power suppl...

Страница 129: ...r unit assy dirty Yes Clean the heat roller Has the trouble been solved Yes Completed No Replace the image drum cartridge Has the trouble been solved Yes Completed No Replace the main board high volta...

Страница 130: ...een solved Yes Completed No Replace the main board or high voltage power supply unit Periodic failure Cycle Handling Image Drum 94 25mm Replace or clean the image drum cartridge Developing roller 39 6...

Страница 131: ...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 In case of inefficient fusin...

Страница 132: ...terminal of the high voltage power supply unit properly Yes Replace the transfer roller Has the trouble been solved Yes Completed No Is the backup roller surface normal No Replace the fuser Assy Yes...

Страница 133: ...pairing Oki Data CONFIDENTIAL 44983601TH Rev 1 6 24 E D C A Fuse E D C A Charging roller Earth Drum Developing roller Toner supply roller Fuse Charging roller Earth Drum Developing roller Toner supply...

Страница 134: ...cedures for Repairing Oki Data CONFIDENTIAL 44983601TH Rev 1 6 25 Figure 6 4 Frame Assy TR Transfer roller Contact plate for transfer Contact plate for transfer High voltage power supply board TR term...

Страница 135: ...6 Procedures for Repairing Oki Data CONFIDENTIAL 44983601TH Rev 1 6 26 Figure 6 5 Fuser Assy Contact plate...

Страница 136: ...put DC Output 2P F Outlet AC AC SW Assy Inlet 3P Photo Interrupter FFC 3P Photo Interrupter 6P 3P 3P 3P 3P Photo Interrupter 9P DC Motor P P Drawer Connector Option I F 3P Co er Open Micro SW Inter Lo...

Страница 137: ...ONFIDENTIAL 44983601TH Rev 1 7 2 7 2 Board Layout 1 Main control board The front side of the printer CENT LAN USB1 DM IN_WR PWFAN1 PAP 2ND POWER DFAN1 SWRL HVIF IL DIMM LCDPNL MCLT RCLT FACEUP EXIT RC...

Страница 138: ...l Function 1 19 1 I STB N Strobe 2 20 2 C DATA0 P Data bit 0 3 21 3 C DATA1 P Data bit 1 4 22 4 C DATA2 P Data bit 2 5 23 5 C DATA3 P Data bit 3 6 24 6 C DATA4 P Data bit 4 7 25 7 C DATA5 P Data bit 5...

Страница 139: ...t used 21 VSS Logic Ground 22 VDD Logic Power 23 NC Not used 24 NC Not used 25 I O VSS Logic Ground 26 A13 Address Bus13 27 NC Not used 28 A11 Address Bus11 29 NC Not used 30 VDD Logic Power 31 VSS Lo...

Страница 140: ...9 78 NC Not used 79 VSS Logic Ground 80 VDD Logic Power 81 DQ10 Data Bus10 82 NC Not used 83 DQ11 Data Bus11 84 A8 Address Bus8 85 VSS Logic Ground 86 A4 Address Bus4 87 DQS1 Data Strobe1 88 VDD Logic...

Страница 141: ...123 NC Not used 124 VDD Logic Power 125 VSS Logic Ground 126 NC Not used 127 NC Not used 128 NC Not used 129 VSS Logic Ground 130 NC Not used 131 NC Not used 132 VSS Logic Ground 133 NC Not used 134 S...

Страница 142: ...LOAD Load 6 O HSYNCN Synchronizing signal 7 O D3 Data 3 8 O D2 Data 2 9 O D1 Data 1 10 O D0 Data 0 11 O STBN Strobe 12 O SCK Serial Clock 13 I SO Serial Data 14 O 3 3V Logic Power 15 C GND LED Ground...

Страница 143: ...Power 2 C HOPPING Analog Ground Pin No I O Signal Function 1 O 24V Clutch Drive Power 2 C MPT Analog Ground Pin No I O Signal Function 1 O LCD_RS Register Selection 2 O LCD_CSB Register Clear 3 O LED2...

Страница 144: ...in No I O Signal Function 1 O 24VIC Logic Circuit Power Supply 2 O DMON N Motor ON signal 3 I DMLOCK P Motor Lock detection 4 O DMCLK P Motor Clock 5 O GAIN P Motor Gain Chang 6 O 24V Motor Drive Powe...

Страница 145: ...O 24V Motor Clutch Drive Power 3 C 0VL Logic Ground 4 O 5V Logic Circuit Power Supply 5 I OPTRXD OPT data input 6 O OPTTXD OPT data output 7 I OPINT N OPT status change 8 O OPTFDEN P OPT transfer per...

Страница 146: ...12 O DB1PWM DB1 PWM 13 O DB2PWM DB2 PWM 14 O SBPWM SB PWM 15 I TR_V TR Power Voltage Detection 16 I TR_I TR Electric Current Detection 17 O TR2PWM TR2 PWM 18 O ANSW High Voltage Board Analog switch c...

Страница 147: ...Power Sensor Board 1 28 3 1 CN3 3 1 CN2 CN1 TR terminal T1 T1 7pin Component side Soldering side Checking contact between the transfer roller shaft and the TR terminal Contact is normal if the resist...

Страница 148: ...ving light ON 4 C GND Logic Ground 5 I 5V Logic Circuit Power Supply 6 I O SDA Serial Data 7 I SCL Serial Clock 8 I OUT_EN P High Voltage output Enable 9 I CHPWM CH PWM 10 I TR1PWM TR1 PWM 11 I ANSW H...

Страница 149: ...2 1 11 CN201 CN301 CN101 A circuit common to 100V and 200V for applying a load between 5V and GND to check output by using a low voltage supply unit alone Use the above mentioned jigs to check output...

Страница 150: ...it CN3 Connector Pin Allocation Connection to the Main Control Board Pin No I O Signal Function 1 O AC NEUTRAL AC output 2 O AC LIVE AC output Pin No I O Signal Function 1 O 24V Motor FAN Clutch Drive...

Страница 151: ...Value DC Motor Both ends of IP2 and IP3 1 or less Clutch Hopping Regist 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...

Страница 152: ...FIDENTIAL 44983601TH Rev 1 7 17 Unit Circuit Diagram Part Diagram Resistance Value FAM Motor ID Red Black 24 V 1 FANALM N 3 0 V 2 M FAM Motor Duct FAM Motor Power Red Black 5 V 1 FANALM N 3 0 V 2 M Re...

Страница 153: ...to 57RE 40360 730B D29A Model DDK Ltd Cable side 36 Pole Plug Male Equivalent to 57FE 30360 20N D8 Model DDK Ltd 2 Cable Cables compatible with IEEE Std 1284 1994 under 1 8mm or equivalent product sh...

Страница 154: ...ion is completed It is outputted at the posterior border of the busy signal 11 Busy PtrBusy FROM PRINTER Signal to show whether the printer can receive data The data can not be received at the high le...

Страница 155: ...eive DMA Start Notice for transfer to the Online Idling PError H L H L H L H L H L nAck Busy nFault Select PEND RUNNING LSI initialization F W initialization Receive DMA b At the Power ON Menu Setting...

Страница 156: ...sy d Data Reception Menu Setting Ack Busy Timing Ark in Busy e I Prime When Menu Setting is not I PRIME DISABLE Idling Idling I F initialization nInit H L H L Busy T INIT Printer Status Send and Recei...

Страница 157: ...ING RUNNING Printer Status Receive DMA Busy H L H L H L H L PError nFault Select PEND RUNNING RUNNING Paper End Online Receive DMA Restart Receive DMA Completion Notice for transfer to the Paper End N...

Страница 158: ...r exits the menu setting mode and returns to the offline status Online Press the MENU key 9 times PARALLEL MENU PARALLEL MENU is shown on the display Press the OK key PARALLEL ENABLE Press the MENU ke...

Страница 159: ...LOW is at the center of ACK pulse Factory Default ACK IN BUSY Items I PRIME Display Function Disable I PRIME signal is ignored 3 microseconds Enable at the I PRIME signal of 3 s 50 micro seconds Enabl...

Страница 160: ...fication under 2 0m It is recommended to use a shielded cable Note The cable is not included 3 Interface Signal 4 Connector Pin Allocation 2 3 4 1 5 Format and Type Full speed transmission Self power...

Страница 161: ...d D VIH Min D D 200mV Difference 0 D D 200mV and D VIH Min D D 200mV Single ended 0 SE0 D and D VIL Max D and D VIH Min Data J state Low speed Full speed Difference 0 Difference 1 Data K state Low spe...

Страница 162: ...of the pulse motor hopping to control a signal from the printer The main function is as follows Available paper Paper Type Standard paper Ream weight 55 to 105 kg A4 A5 B5 Custom LETTER Executive LEG...

Страница 163: ...clutch to ON the paper feed roller and pick up roller are rotated Therefore paper in a tray is fed 2 After hitting the entrance sensor lever and switching the sensor to ON the paper runs into the conv...

Страница 164: ...er than parts shown in the part replacement procedure 4 Use specified maintenance tools 5 Disassemble the parts in the specified order Parts may be damaged if they are not disassembled in proper order...

Страница 165: ...pendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 44983601TH Rev 1 Appendix C 4 3 2 Arrangement of Parts The arrangement of main parts is as shown in the following figure Figure 3...

Страница 166: ...following disassembling procedure In the part replacement procedure parts on which a part number is displayed in white figure in the black circle are RSPL Second Tray unit Roller Pick Up Roller Feed N...

Страница 167: ...y 2 Push the tab in the direction of the arrow to remove Roller Pick Up 3 Push the tab in the direction of the arrow to remove Roller Feed NOW 4 As for reinstalling take the opposite sequence to remov...

Страница 168: ...3 2 Guard Connector Connector 9715S 08Z02 G4C 1 Remove the two screws Remove the two nuts 2 Disconnect the cable and remove Guard Connector and Connector 9715S 08Z02 G4C 3 Installing is performed by...

Страница 169: ...ews Black Remove the Cover Rear 2 Remove the two screws silver Remove the Cover Blind R 3 Remove the two screws silver Remove the Cover Blind L 4 Remove the two screws silver Remove the Plate Top 5 Di...

Страница 170: ...1TH Rev 1 Appendix C 9 3 3 4 CONN Cord AMP8P AMP8P 1 Remove the Guard Connector Refer to 3 3 2 2 Remove the Cover Rear Cover Blind R L Plate Top Refer to 3 3 3 3 Remove CONN Cord AMP8P AMP8P from Boar...

Страница 171: ...ar Assy Clatch Hop Regist Motor Pulse 1 Remove the Cover Rear Cover Blind R L Plate Top Refer to 3 3 3 2 Remove the two screws Black disengage the two tabs and remove Cover Front 3 Remove the four scr...

Страница 172: ...unit Oki Data CONFIDENTIAL 44983601TH Rev 1 Appendix C 11 5 Remove the E ring Gear Assy Clutch Hop and Gear Assy Clutch Regist 6 Remove the two screws Silver Remove the Motor Pulse 7 Installing is per...

Страница 173: ...3 6 Frame Assy Retard Spring Retard 1 Detach Cassette Assy 2 Push two tabs in the direction of the arrow to remove Retard Cover 3 Push Frame Assy Retard in the direction of the arrow Spring Retard is...

Страница 174: ...occurs 1 Pull the paper cassette 2 Wipe the two feed rollers with a tightly wrung cloth soaked in water through the opening for installation of a paper cassette 3 Open Retard Cover of the paper casse...

Страница 175: ...ecked in the user s manual 2 Obtain detail information at the failure from customers as much as possible 3 Inspect the status which is close to the status at the failure 5 2 Preparation before Trouble...

Страница 176: ...5 3 Troubleshooting Method When trouble occurs in the device search the trouble with the following steps Trouble occurs Trouble displayed on the LCD message According to the LCD status message list s...

Страница 177: ...ifies that a jam occurs while printing from the duplex unit Check paper in the extended paper feed unit Open and close the top cover to recover printing and delete the error display Size Error LOAD mm...

Страница 178: ...trance sensor lever Yes Does the entrance sensor plate work normally No Replace the entrance sensor lever Yes Clean the entrance sensor or replace the main board or entrance sensor No Replace the hopp...

Страница 179: ...Appendix C 18 M MAIN1 Connection to the printer MOTOR CL1 Regist clutch CL2 Feed clutch SNS12 Entrance sensor Hopping sensor Paper end sensor SNS03 6 Connection Diagram 6 1 Connection diagram 6 2 Boar...

Страница 180: ...ound 4 4 O 5V Logic Circuit Power supply 5 5 I SNS0 N Paper end sensor 6 6 C 0VL Logic Ground PIN No I O Signal Function 1 1 O 5V Logic Circuit Power supply 2 2 I SNS1 N Entrance sensor 3 3 C 0VL Logi...

Страница 181: ...Print LLTD SMB CIFS NBT NetBEUI SMB NetBIOS NetBIOS over TCP NetWare Remote Printer mode Max 8 print server Print Server mode Max 8 file server 32que Encrypted Password Print Server mode NetWare6J 5J...

Страница 182: ...isable of NETBIOS OVER TCP protocol NETWARE ENABLE DISABLE Specify Enable Disable of NetWare protocol ETHERTALK ENABLE DISABLE Specify Enable Disable of EtherTalk FRAME TYPE AUTO 802 2 802 3 ETHERNET...

Страница 183: ...the spanning tree function the device operates efficiently However when the computer is connected to two or three small LANs it takes long to start a computer At SMALL the computer supports two or th...

Страница 184: ...network settings are initialized B401 B411 Turn off the printer Connect the network cable to the printer Open the top cover and turn on the printer while holding down the ONLINE button After CLOSE CO...

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