Oki B420 Maintenance Manual
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Oki B420 Maintenance Manual

Oki B420 Maintenance Manual

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B410/B420/B430/MPS420b

Maintenance Manual

080409B
Oki Data CONFIDENTIAL

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  • Page 1: Maintenance Manual

    B410/B420/B430/MPS420b Maintenance Manual 080409B Oki Data CONFIDENTIAL...
  • Page 2 Nothing contained herein shall be construed as conferring by estoppel, implication or otherwise any license or right under any patent or trademark of Oki Data, Oki Electric Industry Co., Ltd. ("Oki Electric"), or any third party. Except as provided above nothing contained herein shall be construed as conferring any license or right under any Oki Data copyright.
  • Page 3 PREFACE Oki Data CONFIDENTIAL PREFACE This Maintenance Manual describes the maintenance methods in the printer field for the maintenance personnel. In addition, regarding the handling and operating method of the printer, please refer to the "User’ s Manual". The differences between various types of printers described in this Maintenance Manual are as follows.

  • Page 4: Table Of Contents

    Contents Oki Data CONFIDENTIAL Contents 1. CONFIGURATION ......................7 1.1 System Configuration ..........................7 1.2 Printer Configuration ..........................8 1.3 Optional Configuration ..........................11 1.4 Specification ............................12 1.5 Printing display .............................15 1.5.1 VCCI label, Serial No. label ......................15 1.5.2 Warning label ..........................15 1.5.3 Warning / Caution display .......................16 2.
  • Page 5 Contents Oki Data CONFIDENTIAL 4. ADJUSTMENT ......................66 4.1 Category and function of maintenance mode ..................66 4.4.1 User maintenance mode (Administrator Menu) ................66 4.1.2 System maintenance mode (System maintenance menu) .............71 4.1.3 Engine maintenance mode ......................76 4.1.4 Environment mode setting ......................84 4.1.5 EEPROM Initialization ........................85...
  • Page 6 Contents Oki Data CONFIDENTIAL 3.3.5 CONN Cord-AMP8P-AMP8P ....................154 3.3.6 Gear-Assy-Clatch ........................155 3.3.7 Frame-Assy-Retard, Spring-Retard ..................157 4. Cleaning of Paper Feed Roller and Separation Roller ................158 5. Procedure for Troubleshooting ......................159 5.1 Precautions for Troubleshooting ......................159 5.2 Preparation before Troubleshooting ....................159 5.3 Troubleshooting Method ........................160...

  • Page 7: Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1. CONFIGURATION 1.1 System Configuration As the diagram 1.1 shows, for the standard configuration printer is configured by controller unit and engine unit. Figure1-1 43984801TH　Rev.1...

  • Page 8: Printer Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.2 Printer Configuration The printer main unit includes the following hardware parts. • Electrophotographic processing part • 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 configuration of printer main unit is shown as diagram 1-2~1-4 B410d/B410dn Stacker-Cover-Assy Cover-Side-R CU board Rear-Cover-Assy Fuser-Assy OPE Cover-Assy A’ Manual-Assy Duplex Guide-Paper-R Motor-Fan Guide-Paper-Duplex A’ Cover-Side-L Front-Guide-Assy...
  • Page 9 1. CONFIGURATION Oki Data CONFIDENTIAL B430d/B430dn Stacker-Cover-Assy Cover-Side-R CU board Rear-Cover-Assy Fuser-Assy OPE Cover-Assy A’ MPT-Assy Duplex Guide-Paper-R Motor-Fan Guide-Paper-Duplex Cover-Side-L A’ Front-Guide-Assy Low voltage Plate-Base-PCB power board Plate-Assy-Base High voltage Toner cartridge power board Paper cassette Image drum cartridge Figure1-3 43984801TH　Rev.1...
  • Page 10 1. CONFIGURATION Oki Data CONFIDENTIAL B420dn Stacker-Cover-Assy Cover-Side-R CU board Rear-Cover-Assy Fuser-Assy OPE Cover-Assy A’ MPT-Assy Duplex Guide-Paper-R Motor-Fan Guide-Paper-Duplex Cover-Side-L A’ Front-Guide-Assy Low voltage Plate-Base-PCB power board Plate-Assy-Base High voltage Toner cartridge power board Paper cassette Image drum cartridge Figure1-4 10 /...

  • Page 11: Optional Configuration

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.3 Optional 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 (2) Additionally installed memory (Domestic oriented printer only use 128MB.) 11 / 43984801TH　Rev.1...

  • Page 12: Specification

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.4 Specification (1) Type Desktop (2) Dimension 268mm (Height) x 369mm (Width) x 395 (Depth) :B410d/B410dn/B430dn 29mm (Height) x 369mm (Width) x 395mm (Depth) :B420dn (3) Weight Approx. 10.6kg ( Including printer main unit & consumables. Options, Feeding quantity of paper are excluded.) (4) Development method Dray type – Element developing method Exposure method LED Head method (5) Paper type, thickness, Size Recommended paper Normal paper………….Excellent white A4 OHP Sheet…………….Sumitomo 3M CG3300 Label paper…………….Kokuyo LBP-A693 Category Size unit: mm (inch) Thickness Weight 55~105kg(64~120g/m For double-side printing, weight55~90kg (64~105g/m Letter Normal Paper Legal Legal Statement Executive Tray 1, Width 100~215.9, Length 210~355.6 Width86~215.9 Tray 2, Width 148~215.9, Length 210~355.6 Custom Length 140~355.6...
  • Page 13 1. CONFIGURATION Oki Data CONFIDENTIAL (6) Paper feeding method / Ejecting method ○ : It is possible to use it. × : It is not possible to use it. △ : It is possible to use it by a part of size Paper Paper ejecting Double-side print feeding Method method Thickness Type Size Paper Automatic Manual :Kg) Weight cassette double-side print * double-side print Multipurpose Face Face Manual Tray 2 tray * down...
  • Page 14 1. CONFIGURATION Oki Data CONFIDENTIAL (8) Paper feeding method Automatic feeding (9) Paper ejecting method Face down (Rear ejecting) / Face up (Front ejecting) (10) Resolution (Max.) 2400 × 600 dots / inch (B410d/B410dn/B420dn) 1200 × 1200 dots / inch (B430d/B430dn) (11) Input electricity AC100V ± 10V, 50/60Hz ± 1Hz(B410dn/B430dn) (12) Electricity consumption Up and running: Maximum 800W, Average 450W (25°C) Ready and waiting: Average 0W (25°C) Power-saving mode: (Without option) Under 6W (With option) Maximum W (13) T emperature and Humidity Tenperature Humidity Up and 10~32 20~80%RH (Relative Humidity) No condensation. running However, Maximum temperature of wet ball should be 25°C. Power switch 0~43 10~90%RH (Relative Temperature) No condensation. However, Maximum temperature of...

  • Page 15: Printing Display

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5 Printing display 1.5.1 VCCI label, Serial No. label The VCCI label and Serial No. label have been attached on the specified part of printer as shows below. B410dn B430dn Serial No. Made In China 1.5.2 Warning label Warning label has been attached on the part of printer that may cause injury to the operator. Maintenance must be performed following the indication of the warning label. 15 / 43984801TH　Rev.1...

  • Page 16: Warning / Caution Display

    1. CONFIGURATION Oki Data CONFIDENTIAL 1.5.3 Warning / Caution display The following warning / caution are displayed on the electrical power / sensor board. Warning / Caution content record Heat sink Transformer Low voltage power board High voltage power board Note! There 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 fuse opened. 16 / 43984801TH　Rev.1...

  • Page 17: Operational Explanation

    2. Operational explanation Oki Data CONFIDENTIAL 2. Operational explanation 2.1 Electrophotographic process mechanism (1) Electrophotographic process The following describes the overview of electrophotographic process. 1. Charging Equally charge the surface of image drum by applying negative voltage to the charged roller due to negative charge. 2. Exposure The light from LED Head is exposed on the negative-charged surface of image drum. The surface electrical potential of 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 while touching the image drum. Then forms viewable image. 4. Transfer Overlap paper on the surface of OPC drum, from the backside of paper transfer toner image to the paper by applying electrical charge by transfer roller. 5. Drum cleaning The remaining toner on the image drum that is not transferred is made to be equable by cleaning roller. And is temporarily attracted to the cleaning roller due to electrostatic. 6. Fusing The toner image that is transferred to paper is fused on paper by heat and pressure. 17 / 43984801TH Rev.1...
  • Page 18 2. Operational explanation Oki Data CONFIDENTIAL 1. Charging Charge the image drum surface by applying voltage to the charged roller that contacts the image drum surface. Charged roller Power Image drum 2. Exposure The light emitting from the LED Head will be exposed 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 drum is coated by basic layer (UL), charge generating layer (CGL), charge transferring layer (CTL) on the basic material aluminum. The thickness of the organic light sensor (OPC) that is consisted by CTL and CGL is approximate 20µm. LED head LED head Charged roller Power Paper Image drum Image drum 18 / 43984801TH Rev.1...
  • Page 19 2. Operational explanation Oki Data CONFIDENTIAL 3. Image development Toner is attracted to the electrostatic latent image on the image drum surface, then the electrostatic latent image changes to toner image. 1 As the roller on the supply spot of toner rotates while scrubbing the image-developing roller, fiction electricity occurs between the image developing roller and toner; toner is attracted to the image-developing roller. Image developing plate Charged roller Toner supply roller Image developing roller Image drum 2. The toner that has been attracted to the image-developing roller is dropped down to the developing plate to make a thin toner film on the image developing roller side. 3 The toner is attracted by the exposed part (Low electrical potential part) of the image drum when the image drum contact the image developing roller, so as to see the electrostatic latent image.
  • Page 20 2. Operational explanation Oki Data CONFIDENTIAL Note! The necessary bypass voltage in image processing is impressed on the toner feeding roller and image developing roller as show below. While the cover is closed it will be connected and bias will be applied. Toner feeding roller Image developing roller Basic material...
  • Page 21 2. Operational explanation Oki Data CONFIDENTIAL 4. Transfer The transfer roller, which is from conductive sponge material, is created to meet intimate attachment of image drum roller surface and feeding paper. The feeding paper is set up on the surface of image drum. Plus charge, which is the converse polarity with toner polarity, is applied from the backside of the paper. As high plus voltage is applied to transfer roller from the power supply, the plus charge on the transfer roller surface is induced and transferred to the paper while the paper contact the transfer roller. The negative charged toner, which has been attracted to the image drum surface, is transferred to the surface of feeding paper by the plus charge of the backside of the paper. Image drum Paper Transfer roller Power 21 / 43984801TH Rev.1...
  • Page 22 2. Operational explanation Oki Data CONFIDENTIAL 5. Drum cleaning 1 Cleaning After the completion of transferring, the remaining toner on the image drum is temporarily attracted by the electrostatic and the image drum surface is cleaned. Image drum Cleaning roller Power supply Transferring roller 2 Roller cleaning In the following case, there is a need of cleaning the charged roller, transfer roller, and cleaning roller. Warming up as switching on the power supply • Warming up after open-close of the cover • In case of termination of printing operation • By periodically change the bias voltage that is implied to each roller during continuous printing, • transfer the attached toner from roller to image drum and then return it to developing device. 22 / 43984801TH Rev.1...
  • Page 23 2. Operational explanation Oki Data CONFIDENTIAL 6. Fusing After the termination of transfer the unsettled toner image is settled to paper by heat and pressure while passing between Heat roller and Back up roller. Heat roller is Teflon coated and is mounted by heater that can generate heat (Halogen lamp). The thermistor that contacts the Heat roller adjusts the Heat roller temperature to the temperature specified by the menu complying with the paper width. For safety the thermostat shuts off the voltage supply to the Heater by opening the thermostat in the case of abnormally temperature increasing. The back up roller is held by the pressure springs on each terminal due to the pressure applied. Thermostat Heat roller Separating clutch Heater Thermistor Feeding paper Backup roller Pressuring spring 23 / 43984801TH Rev.1...

  • Page 24: Printing Process

    2. Operational explanation Oki Data CONFIDENTIAL 2.2 Printing process The paper fed from Tray 1 and Tray 2 is conveyed by feeding roller, conveying roller, and resist roller. When feeding paper is from MPT, it is conveyed by MPT, feeding roller, and resist roller. After that the feeding paper that is conveyed by image drum and the nip part of transfer roller forms toner image on the paper through electrophotographic process. And then, the toner on the paper is fused by the heat and pressure as the fuser unit passing through. The paper that fused the toner image is ejected from the face down stacker of the ejecting roller. In the case of face up ejecting, it needs to open the backside cover and install face up stacker. (It is unavailable for duplex printing while it is face up...
  • Page 25 2. Operational explanation Oki Data CONFIDENTIAL (1) Paper feeding from Tray 1 1. As DC motor rotating (Counterclockwise 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...
  • Page 26 2. Operational explanation Oki Data CONFIDENTIAL (3) Fuser unit and paper ejecting 1. The fuser unit and eject roller is 2. Simultaneously the eject roller rotates, and then the paper is ejected. Eject roller Planet gear Fuser unit Paper route Heat roller Solenoid Eject roller DC motor (Counterclockwise rotation) 26 / 43984801TH Rev.1...
  • Page 27 2. Operational explanation Oki Data CONFIDENTIAL (4) Paper reversing and paper multi-feeding 1. TRemoving the first eject roller at the rear part of paper and set the solenoid as ON for a while, then the planet gear starts to move, the second eject roller starts inverse rotating (Counterclockwise rotation). 2. By the inverse rotation of the second eject roller the paper is inversely rotated and conveyed to Duplex. 3. Paper is conveyed by Duplex conveying roller. 4. After setting the entrance sensor lever as ON, paper bumps into the stopped resist roller, still a certain more amount of paper is conveyed. (This corrects the skew of paper.). 5. If set the Resist clutch as ON, paper is conveyed by Resist roller. [ Normal rotation ] The 2nd ejecting roller Planet gear DC motor Fuser unit (Counterclockwise rotation) Heat roller Resist roller Writing out Resist clutch...

  • Page 28: Toner Entrance Detection

    2. Operational explanation Oki Data CONFIDENTIAL 2.3 Toner entrance detection • Equipment Toner entrance detecting equipment consists the agitating gear that agitating the agitating bar at a certain speed and magnet that is on the agitating bar. Crack part Magnet Agitating bar Agitating gear Operation • Detecting the toner low by monitoring the congruous time intervals between the magnet that is set on the sensor plate and the magnet attached on the agitating bar, Agitating gear Operation in toner full status The crack part of agitating gear meshing with the •...
  • Page 29 2. Operational explanation Oki Data CONFIDENTIAL Toner full status Toner low status t1 t2 t1,t2: Magnet attracting time • Toner sensor alarm actuates if there is not any change on toner sensor. • Toner sensor is not monitored while main (drum) motor is stopping. 29 / 43984801TH Rev.1...

  • Page 30: Parts Replacement

    3. Parts replacement Oki Data CONFIDENTIAL 3. Parts replacement This section explains the replacement procedure of part, assembly, and unit in the working place. Disassembling procedure relating to reassembling is conducted conversely. 3.1 Preparation for parts replacement (1) Be sure to unplug the AC cord and interface cable before starting to replace parts.
  • Page 31 3. Parts replacement Oki Data CONFIDENTIAL [Maintenance tools] The necessary tools for replacing the print circuit board, assembly, and unit is shown as graph 3-1. Graph 3-1 Maintenance tools Maintenance tools Quantity Application Remark 3~5mm No.2-200 + Magnetic driver Screw No.3-100 Driver...

  • Page 32: Parts Layout

    3. Parts replacement Oki Data CONFIDENTIAL 3.2 Parts layout This section explains the main parts layout of the equipment. B410d/B410dn Stacker-Cover-Assy CU board Fuser-Assy Cover-Side-R Rear-Cover-Assy OPE Cover-Assy Manual-Assy A’ Duplex Motor-Fan Guide-Paper-Duplex Guide- Paper-R Front-Guide-Assy Cover-Side-L A’ Plate-Base-PCB Low voltage...
  • Page 33 3. Parts replacement Oki Data CONFIDENTIAL B430d/B430dn Stacker-Cover-Assy CU board Fuser-Assy Cover-Side-R Rear-Cover-Assy OPE Cover-Assy MPT-Assy A’ Duplex Motor-Fan Guide-Paper-Duplex Guide- Paper-R Front-Guide-Assy Cover-Side-L A’ Plate-Base-PCB Low voltage power board High voltage power board Toner cartridge Plate-Assy-Base Paper cassette Image drum cartridge...
  • Page 34 3. Parts replacement Oki Data CONFIDENTIAL B420dn Stacker-Cover-Assy CU board Fuser-Assy Cover-Side-R Rear-Cover-Assy OPE Cover-Assy A’ MPT-Assy Duplex Motor-Fan Guide-Paper-Duplex Guide- Paper-R Front-Guide-Assy Cover-Side-L A’ Plate-Base-PCB Low voltage power board High voltage power board Toner cartridge Plate-Assy-Base Paper cassette Image drum cartridge...
  • Page 35 3. Parts replacement Oki Data CONFIDENTIAL [Base unit] B410d/B410dn/B430d/B430dn Photo Interrupter Gear-Assy-Clutch Roller-Pick-Up Roller-Feed-Now Plate-Base Guide-Cassette-L Guide-Cassette-R Figure 3-4 35 / 43984801TH Rev.1...
  • Page 36 3. Parts replacement Oki Data CONFIDENTIAL [Base unit] B420dn Photo Interrupter Gear-Assy-Clutch Roller-Pick-Up Roller-Feed-Now Plate-Base Guide-Cassette-L (530sht) Guide-Cassette-R (530sht) Figure 3-5 36 / 43984801TH Rev.1...

  • Page 37: Parts Replacement Method

    3. Parts replacement Oki Data CONFIDENTIAL 3.3 Parts replacement method This section explains the replacement method of the parts and assemblies that are shown in the following disassembling diagram. About the parts replacement procedure, the parts that are shown by parts number using white number in the are the RSPL parts.

  • Page 38: Led Head

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.1 LED Head (1) Open the Stacker-Cover-Assy (2) Remove the 2 screws (Black) . Remove Holder-Head (3) Firstly open Hook A by narrow direction and then remove it. Secondly remove Hook B then remove LED Assy .

  • Page 39: Roller-Transfer

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.2 Roller-Transfer (1) As the power switch shut off, unplug the AC power cord from the inlet of main unit. (2) Open the Stack-Cover –Assy (3) Remove latches in the 2 places of Gear-TR ③ and Bearing-TR ❶ on the conversing side. (Do not add any unnecessary pressure while removing the latch.)

  • Page 40: 43984801Th Rev.1

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.3 Cover-Side-R (1) As the power switch shut off, unplug the AC power cord from the inlet of main unit. (2) Unplug the interface cable from the main unit. (3) Open the Rear-Cover-Assy. (4) Open the Stacker-Cover-Assy.

  • Page 41: Cover-Side-L

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.4 Cover-Side-L (1) As the power switch shut off, unplug the AC power cord from the inlet of main unit. (2) Unplug the interface cable from the main unit. (3) Open the Rear-Cover-Assy. (4) Open the Stacker-Cover-Assy.

  • Page 42: Cu Board

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.5 CU Board (1) Remove the Cover-Side-R. (Refer to 3.3.3) (2) Remove the 4 pieces of screws (Silver) ① . Remove the Plate-Cover-Shield-CU ② . (3) Remove the 2 pieces of big screws (Silver) ③ . Remove the Film-Core-Holder ④ . In the meantime remove the cable connector (with core) ⑤...

  • Page 43: Motor-Dc-Main (3.3.6)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.6 Motor-DC-Main (1) Remove the Cover-Side-R. (Refer to 3.3.3) (2) Remove the Plate-Cover-Shield-CU. (Refer to 3.3.5(2)) (3) Remove the connector ① of Motor-DC-Main from CU board. (4) Cut the TY-RAP that is bundling the cable of Motor-DC-Main and the cable of Resist clutch.

  • Page 44: 3.3.7 Ope Cover-Assy

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.7 OPE Cover-Assy (1) Open the Rear-Cover-Assy. (2) Open the Stacker-Cover-Assy. (3) Remove the Cover-Side-R and Cover –Side-L. (Refer to 3.3.3/3.3.4) (4) Remove the Plate-Cover-Shield-CU. (Refer to 3.3.5(2)) (5) Remove the screw (Silver) ① . Remove the Film-Core-Holder ② .

  • Page 45: Ope Board (3.3.8)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.8 Ope-Board (1) Remove OPE Cover-Assy. (Refer to 3.3.7) (2) Remove Ope-Board ① from Cover-OPE by pulling the claw as the arrow direction. (3) Unplug FFC cable ② from Ope-Board ① . (4) Remove Button-KEY ③ and Lens-LCD ④ from Ope-Board ① .

  • Page 46: Mpt-Assy

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.9 MPT-Assy (In case of B410dn, it is Manual-Assy) (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Cover-Side-R and Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove OPE Cover-Assy. (Refer to 3.3.7) (5) Remove the clamp of claw by pushing by arrow A direction, and then remove Cover-Lever-Lock ① .

  • Page 47: Front-Guide-Assy (3.3.10)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.10 Front-Guide-Assy (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Cover-Side-R and Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove OPE Cover-Assy. (Refer to 3.3.7) (5) Remove MPT-Assy. (Refer to 3.3.9) (6) Remove the clamp of claw by pushing by arrow direction, and then remove Cover-Paper-R ① .

  • Page 48: Roller-Assy-Feed (3.3.11)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.11 Roller-Assy-Feed (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Cover-Side-R and Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove OPE Cover-Assy. (Refer to 3.3.7) (5) Remove MPT-Assy. (Refer to 3.3.9) (6) Remove Guide-Assy-Front. (Refer to 3.3.10) (7) Remove Roller-Assy-Feed ❶...

  • Page 49: Guide -Paper-Duplex (3.3.12)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.12 Guide-Paper-Duplex (1) Open the Rear-Cover-Assy. (2) Open the Stacker-Cover-Assy. (3) Remove Cover-Side-R and Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove OPE Cover-Assy. (Refer to 3.3.7) (5) Remove MPT-Assy. (Refer to 3.3.9) (6) Remove Front-Guide-Assy. (Refer to 3.3.10) (7) Remove Roller-Assy-Feed.

  • Page 50: Stacker-Cover-Assy (3.3.13)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.13 Stacker-Cover-Assy (1) Open the Rear-Cover-Assy. (2) Open the Stacker-Cover-Assy. (3) Remove Cover-Side-R and Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove Plate-Cover-Shield-CU. (Refer to 3.3.5(2)) (5) Remove film-Core-Holder. (Refer to 3.3.7(5)) (6) Remove LED cable from CU board.

  • Page 51: Fuser-Assy (3.3.14)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.14 Fuser-Assy Note! Replace the Fuser-Assy by Assy unit. It is forbidden for disassembling the Fuser-Assy, also, reusing the disassembled Fuser-Assy. (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Cover-Side-R and Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove Stacker-Cover-Assy.
  • Page 52 3. Parts replacement Oki Data CONFIDENTIAL Thermistor Arrow Connector for Thermistor Connector for FAN High voltage power board 52 / 43984801TH Rev.1...

  • Page 53: Rear-Cover-Assy

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.15 Rear-Cover-Assy (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Cover-Side-R. Remove Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove Cover-Face Up-A ① from the supporting point with opening the right side supporting point part of Rear-Cover-Assy.

  • Page 54: Frame-Assy-Lower (3.3.16)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.16 Frame-Assy-Lower (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Cover-Side-R. Remove Cover-Side-L. (Refer to 3.3.3/3.3.4) (4) Remove CU Board. (Refer to 3.3.5) (5) Remove Motor-DC-Main. (Refer to 3.3.6) ． (6) Remove Piece-Guide (7) Remove the 3 screw (Silver) and screw (Black) .
  • Page 55 3. Parts replacement Oki Data CONFIDENTIAL Connector Cable Attention to Cable wire interwining Plate-Base-PCB Hook Attention to Hook wire interwining Cable High voltage power board Hook Hook C Hook D 55 / 43984801TH Rev.1...

  • Page 56: High Voltage / Low Voltage Power Board

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.17 High voltage / Low voltage power board Warning Risk of Electric Shock There is a risk of electric shock during replacement of the low voltage power supply. Use insulating gloves or avoid direct contact with any conducting part of the power supply, and caution should be exercised during replacement.

  • Page 57: Plate-Bracket-Motor

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.18 Plate-Bracket-Motor (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Motor-DC-Main. (Refer to 3.3.6) (4) Remove Frame-Assy-Lower. (Refer to 3.3.16) (5) Assemble Frame-Assy-Lower as the diagram. (6) Remove the 4 screws (Black) ① . Remove Plate-Bracket-Motor ② .

  • Page 58: 3.3.19 Roller-Back Up

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.19 Roller-Back up (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Frame-Assy-Lower. (Refer to 3.3.16) (4) Remove Plate-Bracket-Motor. (Refer to 3.3.18) (5) Remove the screw (Black) ① . Remove the screw (Color) ② and Lever-Reset-L ③ .

  • Page 59: Roller-Resist

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.20 Roller-Resist (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Frame-Assy-Lower. (Refer to 3.3.16) (4) Remove Plate-Bracket-Motor. (Refer to 3.3.18) (5) Remove the E ring ① . Remove the Gear-Assy-Clutch ❷ , Spacer-Clutch ③ and Bearing-R ❹ .

  • Page 60: Lever-In-Sensor (3.3.21)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.21 Lever-In-Sensor (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Frame-Assy-Lower. (Refer to 3.3.16) (4) Remove the 2 Lever-In-Sensor (Entrance and Paper). Press the Clamp of ❶ , press Lever-In-Sensor ① as up direction and then remove them. While remove Lever-In-Sensor ❶ , beware of not to loss or break Spring-Sensor-In ❷...

  • Page 61: Lever-Eject-Sensor/Photo-Interrupter (3.3.22)

    3. Parts replacement Oki Data CONFIDENTIAL 3.2.22 Lever-Eject-Sensor/Photo-Interrupter (1) Open Rear-Cover-Assy. (2) Open Stacker-Cover-Assy. (3) Remove Frame-Assy-Lower. (Refer to 3.3.16) (4) Press the clamp of Lever-Eject-Sensor （ Exit） ❶ . Press Lever-Eject-Sensor ❶ as down direction and remove it. While remove Lever-Eject-Sensor ❶ , beware of not to loss or break Spring-SNS ❷ .

  • Page 62: Lever-End/Lever-Duplex/Lever-Cassette/Gear-Assy-Clatch (3.3.23)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.23 Lever-End/Lever-Duplex/Lever-Cassette/Gear-Assy-Clatch (1) Remove Frame-Assy-Lower and PCB-Assy. (2) Press claw Ⓐ by the arrow direction. Remove Holder-SNS ①． (3) Press the clamp of Lever-End ② by the up direction and then remove it. (4) Press the clamp of Lever-Duplex ③ by the up direction and then remove it.
  • Page 63 3. Parts replacement Oki Data CONFIDENTIAL ・ Remove Feed-Roller / Clutch. (8) Press Claw D by the arrow direction an d remove Feed-Roller-NO ❿ . Plate-Base-Assy Claw D (9) Remove the 2 of E ring ⑪, Slide Hopping-shaft by the arrow direction and remove Gear-Assy-Clutch ⓬.

  • Page 64: Paper Feeding Roller (Roller-Pick-Up,Roller-Feed-Now,Roller-Assy-Mpt)

    3. Parts replacement Oki Data CONFIDENTIAL 3.3.24 Paper feeding roller (Roller-Pick-Up,Roller-Feed-NOW,Roller-Assy-MPT) ・ In the case of Tray 1, Tray (Option) (1) Shut off the power of Printer. Draw and take off the Paper Cassette of Tray. (2) Widen the claw of the 2 of Paper feeding roller ❶ and remove them.
  • Page 65 3. Parts replacement Oki Data CONFIDENTIAL ・ In the case of Multi-purpose Tray (B420dn, B430d, B430dn) (1) Shut off the power of Printer. (2) Open Multi-purpose Tray, widen paper supporter. (3) Open the cover of Paper feeding roller of Multi-purpose Tray by up direction. Remove Roller-Assy-MPT ❶...

  • Page 66: Adjustment

    4. ADJUSTMENT Oki Data CONFIDENTIAL 4. ADJUSTMENT This chapter provides explains relating to 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 that is from the operator panel.
  • Page 67 4. ADJUSTMENT Oki Data CONFIDENTIAL Operation panel display Default Function Category Setting item Setting item * Only English is supported for panel display value (Upper case) (Lower case) OP MENU FX EMULATION ENABLE Set Category FX EMULATION MENU ENABLE/ DISABLE DISABLE.
  • Page 68 4. ADJUSTMENT Oki Data CONFIDENTIAL Operation panel display Default Function Category Setting item Setting item * Only English is supported for panel display value (Upper case) (Lower case) FILE SYS Initialize resident FLASH. FLASH EXECUTE MAINTE1 Press Enter switch then the following confirming INITIALIZE message is displayed.
  • Page 69 4. ADJUSTMENT Oki Data CONFIDENTIAL • User maintenance mode menu chart “Display Indicating” Press Key Press Key “MENU▲” “MENU▼” and move Set ENABLE/DISABLE for all categories of “SETTING” OP MENU ALL CATEGORY ALL CATEGORY USER MENU. Select by key “MENU▲”...
  • Page 70 4. ADJUSTMENT Oki Data CONFIDENTIAL Press Key Set LED LIGHTING CONTROL for NEAR “SETTING” CONFIG MENU NEARLIFE LED NEARLIFE LED LIFE WARNING occurring of toner and          DISABLE     * ENABLE drum. Select by Key “SETTING” and press key “MENU▲” “MENU▼”...

  • Page 71: System Maintenance Mode (System Maintenance Menu)

    4. ADJUSTMENT Oki Data CONFIDENTIAL 4.1.2 System maintenance mode (System maintenance menu) Note! This mode is only used by maintenance personnel; it is not released to the end user. For System Maintenance Menu, hold down the "MENU ▲ " and "MENU ▼ " button and turn on the power switch.
  • Page 72 4. ADJUSTMENT Oki Data CONFIDENTIAL Operation panel display Function Default * Only English is supported for panel Category Setting item Setting item value display (Upper case) (Lower case) PERSONALITY PCL ENABLE Change the default of Support PDL Language DISABLE for each destination.
  • Page 73 -0.5MILLIMETER implemented. 0.0MILLIMETER In this area, even EEPROM RESET such as +0.5MILLIMETER ROM Ver.UP is not initialized. Only B410/B420 Series is displayed. +3.5MILLIMETER -4.0MILLIMETER Set landscape DOTSHIFT of MPT while printing. Item is displayed even Tray 2 is not -1.0MILLIMETER -0.5MILLIMETER...
  • Page 74 4. ADJUSTMENT Oki Data CONFIDENTIAL • System maintenance mode menu chart Press Key “Display Indicating” “SETTING” OKIUSER OKIUSER Set destination. Displayed by “MENU▲” and “MENU▼” . Select by “SETTING” Select by Key “SETTING” and press key JPOEM1 Press Key “MENU▲” “MENU▼”...
  • Page 75 4. ADJUSTMENT Oki Data CONFIDENTIAL Press Key Press Key “MENU▲” “MENU▼” and move “SETTING” DOTSHIFT TRAY1 -4.0MILLIMETER Set landscape dot shift. 0.0MILLIMETER  * -1.5MILLIMETER Select by Key -1.0MILLIMETER “SETTING” and -0.5MILLIMETER press key “MENU▲” “MENU▼” 0.0MILLIMETER +0.5MILLIMETER +3.5MILLIMETER TRAY2 -4.0MILLIMETER -1.0MILLIMETER *...

  • Page 76: Engine Maintenance Mode

    4. ADJUSTMENT Oki Data CONFIDENTIAL 4.1.3 Engine maintenance mode (1) To enter Engine maintenance mode, hold down the "MENU ▲ " and "MENU ▼ " button while turn on the power switch. Select "ENGINE DIAG MODE". (2) The function of this mode is selected from Menu.
  • Page 77 4. ADJUSTMENT Oki Data CONFIDENTIAL Category (1st Line) Item (1st Line) Value Default Function Valid Save (16 Characters) (16 Characters) (2nd Line) T1 POS 0 mm Set Paper-feeding amount that is from +1 mm the standard tray. (Paper striking amount setting)
  • Page 78 4. ADJUSTMENT Oki Data CONFIDENTIAL Category (1st Line) Item (1st Line) Value Default Function Valid Save (16 Characters) (16 Characters) (2nd Line) CH V ADJ In this printer, this setting is not used. CH V MAX Maximum CH voltage offset...
  • Page 79 4. ADJUSTMENT Oki Data CONFIDENTIAL Category (1st Line) Item (1st Line) Value Default Function Valid Save (16 Characters) (16 Characters) (2nd Line) [ON DELAY OFFSET] 0X ADJST ON DELAY OFFSET TABLE SELECTION At setting HEATON Signal Output Time, set the value that the corresponding table value has been added to the resistor.
  • Page 80 4. ADJUSTMENT Oki Data CONFIDENTIAL • Engine maintenance mode menu chart Press Key “Display Indicating” “SETTING” Select by LED HEAD LED HEAD Set the drive time of ED Head. Key “SETTING” and press key “MENU▲” “MENU▼” Press Key “MENU▲” “MENU▼”...
  • Page 81 4. ADJUSTMENT Oki Data CONFIDENTIAL Press Key “SETTING” Select by T2 TBL T2 TBL No.1 In this printer, this setting is not used. Key “SETTING” No.3 and press key No.2 “MENU▲” No.3 “MENU▼” Press Key “SETTING” Select by Set Paper-feeding amount that is from...
  • Page 82 4. ADJUSTMENT Oki Data CONFIDENTIAL Press Key “SETTING” Select by Maximum CH voltage offset CH V MAX CH V MAX Key “SETTING” and press key “MENU▲” “MENU▼” Press Key “SETTING” Select by CH V MIN CH V MIN Minimum CH voltage offset Key “SETTING”...
  • Page 83 4. ADJUSTMENT Oki Data CONFIDENTIAL Press Key Press Key “MENU▲” “MENU▼” and move “SETTING” In this printer, this setting is not used. ENGINE EP TEST TEST PAPER Select by Key “SETTING” CONNECT and press key “MENU▲” “MENU▼” PRT DUTY Set Duty that is used for Motor Accelerating Test in the factory.

  • Page 84: Environment Mode Setting

    4. ADJUSTMENT Oki Data CONFIDENTIAL 4.1.4 Environment mode setting As environment mode, "NORMAL MODE" MODE1 and "HIGH TEMPERATURE ENVIRONMENT MODE" MODE2 are equipped. If set this mode to "HIGH TEMPERATURE ENVIRONMENT MODE", at duplex printing, fusing control temperature changes to the lower temperature setting than "NORMAL MODE".

  • Page 85: Eeprom Initialization

    4. ADJUSTMENT Oki Data CONFIDENTIAL 4.1.5 EEPROM Initialization The treatment for EEPROM Initialization at each phenomenon is displayed as Diagram 4-1. Diagram 4-1 EEPROM Initial Setting Range CU EEPROM Area PU EEPROM Area Administrator Menu/ Engine Maintenance Menu Area System Maintenance...

  • Page 86: Adjustment At Part Replacement

    4. ADJUSTMENT Oki Data CONFIDENTIAL 4.2 Adjustment at part replacement 　Adjustment is necessary while replacing the following part. Replacing part Adjustment Main PCB board EEPROM data upload / download 4.2.1 EEPROM data upload / download method In the case of replacing the Print Board of Controller, copy the old EEPROM content to the new EEPROM of new board and then save the customer setting.

  • Page 87: Periodic Maintenance

    5. Periodic Maintenance Oki Data CONFIDENTIAL 5. Periodic Maintenance 5.1 Periodic Replacement Parts The following parts should be replaced at a specified cycle. Name Conditions Cleaning Remarks • Toner Cartridge After printing approx. 3,500 • LED head Consumables pages • Image Drum Cartridge After printing approx.
  • Page 88 5. Periodic Maintenance Oki Data CONFIDENTIAL (1) Eliminate static electricity by touching the aluminum foil film section before cleaning the LED head. Aluminum foil film Note! Since the printer may be damaged, make sure to clean the LED head after eliminating static electricity.

  • Page 89: Cleaning Page Function

    LCD and [490: MP tray No Paper] is displayed on the lower line. For B410 series, [Manual] is displayed on the upper line of LCD and [A4 Load] is displayed on the lower line.

  • Page 90: Procedures For Repairing

    6. Procedures for Repairing Oki Data CONFIDENTIAL 6. Procedures for Repairing 6.1 Troubleshooting (1) Check “8. Troubleshooting” of the user’s manual. (2) Collect the information of the status at the failure as much as possible. (3) Inspect the device in the status similar to the status at the failure occurrence.

  • Page 91: Troubleshooting Flow

    6. Procedures for Repairing Oki Data CONFIDENTIAL 6.5 Troubleshooting Flow 　If there are failures in the printer, troubleshooting is performed according to the following process flow. Troubles Perform troubleshooting Perform detailed trouble- Troubles displayed from the LCD status shooting from the trouble- on the LCD message table.
  • Page 92 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (2/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 93 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (3/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 94 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (4/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 95 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (5/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 96 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (6/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 97 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (7/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 98 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (8/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 99 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (9/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 100 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (10/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 101 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (11/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)
  • Page 102 6. Procedures for Repairing Oki Data CONFIDENTIAL Table 6-1 (12/12) LCD (16 digits on the upper level and 16 digits on the lower level) Error Contents Status (" " shows that nothing is displayed on the upper code level level.)

  • Page 103: Lcd Message Troubleshooting

    6. Procedures for Repairing Oki Data CONFIDENTIAL 6.5.2 LCD Message Troubleshooting If you still have trouble even af ter using the LCD Status Message / Trouble List, follow the troubleshooting flowchart displayed below to solve the trouble. Trouble Flowchart No.
  • Page 104 6. Procedures for Repairing Oki Data CONFIDENTIAL ① The case where the printer does not work normally after tuning on the power • Turn off the power and then, turn on the power again. • Are messages in the display of LCD all in black? •...
  • Page 105 6. Procedures for Repairing Oki Data CONFIDENTIAL [Jam Error] ②-1 Paper feed jam • Does a jam error occur when turning on the power? • Yes Is there any paper in the entrance sensor? • Yes Remove the paper • No Does the entrance sensor lever work normally? (It moves freely by touching.)
  • Page 106 6. Procedures for Repairing Oki Data CONFIDENTIAL [Jam Error] ②-2 Running jam • Does a jam error occur when turning on the power? • Yes Is there any paper in the write sensor? • Yes Remove the paper. • No Does the write sensor lever work normally? (It moves freely by touching.)
  • Page 107 6. Procedures for Repairing Oki Data CONFIDENTIAL [Jam Error] ②-3 Ejection Jam • Does an ejection jam error occur when turning on the power? • Yes Is there paper in the ejection sensor lever? • Yes Remove the paper. • No Does the ejection sensor lever work normally? (It moves freely by touching.)
  • Page 108 6. Procedures for Repairing Oki Data CONFIDENTIAL ③ Paper Size Error • Is the paper which is specified size used? • No Use a specified-size paper. • Yes Does the entrance sensor lever work normally? (It moves freely by touching.) •...
  • Page 109 6. Procedures for Repairing Oki Data CONFIDENTIAL ④ Fuser unit Assy (Error 170) (Error 171) (Error 172) (Error 173) • Is the thermistor connector normally inserted in the CN2 connector of the high-voltage power/ sensor board? • No Insert the Thermistor connector correctly.
  • Page 110 6. Procedures for Repairing Oki Data CONFIDENTIAL ⑤ Interface Error (Error 182) • Is the Second Tray unit used? • Yes Is the printer main body appropriately set on the Second Tray unit? • No Set the printer main body appropriately.

  • Page 111: Print Troubleshooting

    6. Procedures for Repairing Oki Data CONFIDENTIAL 6.5.3 Print Troubleshooting The troubleshooting procedure of abnormal printing is described as follows. The typical abnormal printing is shown in the following Figure 6-2. Trouble Flowchart number Pale printing or the whole printing is faded. (Fig.6-2 Ⓐ) ①...
  • Page 112 6. Procedures for Repairing Oki Data CONFIDENTIAL ① Pale printing or the whole printing is faded. • Does the printer lack toner? (Is the message of Toner Low displayed?) • Yes Supply the toner. LED head cable • No Is specified paper used.
  • Page 113 6. Procedures for Repairing Oki Data CONFIDENTIAL ② The white section is dirty • Is the image drum exposed by the external light? • Yes Install the image drum in the printer and wait 30 minutes. • No Perform the cleaning page function. (See the section 5.2.2.) •...
  • Page 114 6. Procedures for Repairing Oki Data CONFIDENTIAL ④ Vertical black belt/ Black line • Perform the Cleaning page function. (See the section 6.2.2.) • Has the trouble been solved? • Yes Completed. • No Replace the image drum cartridge. • Has the trouble been solved? •...
  • Page 115 6. Procedures for Repairing Oki Data CONFIDENTIAL ⑥ In case of error printing • Does the contact plate of transfer roller contact power/sensor board properly. (Refer to Diagram6-5) • No Adjust the contact plate to contact power/sensor board and transfer roller shaft properly.
  • Page 116 6. Procedures for Repairing Oki Data CONFIDENTIAL ⑧ Vertical white belt/ White line • Is the LED lens dirty? • Yes Clean the LED lens. • No Is the contact plate of the transfer roller appropriately connected to the high-voltage power / sensor board? (See Fig.
  • Page 117 6. Procedures for Repairing Oki Data CONFIDENTIAL Figure 6-3 117 / 43984801TH Rev.1...
  • Page 118 6. Procedures for Repairing Oki Data CONFIDENTIAL Contact plate for Transfer Contact High-voltage power / sensor board Figure 6-4 118 / 43984801TH Rev.1...

  • Page 119: Connection Diagram

    7. Connection Diagram Oki Data CONFIDENTIAL 7. Connection Diagram 7.1 Connection diagram 119 / 43984801TH Rev.1...

  • Page 120: Board Layout

    7. Connection Diagram Oki Data CONFIDENTIAL 7.2 Board Layout (1) Main control board LCDPNL CENT CN2S The front side of the printer. PEISTD HEAD (USB) HVIF (LAN) EXRCO 27 28 120 / 43984801TH Rev.1...
  • Page 121 7. Connection Diagram Oki Data CONFIDENTIAL • CN4 Connector Pin Allocation (Connection to USB I/F) Pin No. I/O Signal Function vbus Power Serial Data Serial Data Logic Ground • CN5 Connector Pin Allocation (Connection to LAN I/F) Pin No. I/O...
  • Page 122 7. Connection Diagram Oki Data CONFIDENTIAL • HEAD Connector Pin Allocation (Connection the LED head) Pin No. I/O Signal Function LED Drive Power LED Ground LED Drive Power LED Ground LED Drive Power LED Ground LED Drive Power LED Ground...
  • Page 123 7. Connection Diagram Oki Data CONFIDENTIAL • SON Connector Pin Allocation (Connection to the Solenoid) Pin No. I/O Signal Function SON-P Solenoid Drive Power SGND Analog Ground • PE1STD Connector Pin Allocation (Connection to the front sensor) Pin No. I/O...
  • Page 124 7. Connection Diagram Oki Data CONFIDENTIAL • HVIF Connector Pin Allocation (Connection to High-Voltage power or Sensor Board I/F) Pin No. I/O Signal Function CB2PWM CB2 Output CB1PWM CB1 Output CHPWM CH Output WRSNS Paper Detection Logic Ground TR2PWM TR2 Output...
  • Page 125 7. Connection Diagram Oki Data CONFIDENTIAL • DM Connector Pin Allocation (Connection to the main motor) Pin No. I/O Signal Function Logic Ground Logic Circuit Power Supply +24V Motor Drive Power Analog Ground DMON-N Motor-ON signal DMLOCK-P Motor Lock detection...
  • Page 126 7. Connection Diagram Oki Data CONFIDENTIAL • CN2S Connector Pin Allocation (Connection to RAM-DIMM) Pin No. I/O Signal Function VREF Reference Power Voltage VREF Reference Power Voltage Logic Ground Logic Ground Data Bus 0 Data Bus 4 Data Bus 1...
  • Page 127 7. Connection Diagram Oki Data CONFIDENTIAL Pin No. I/O Signal Function Logic Power Logic Power Not Connected Not Connected Not Connected Not Connected Logic Ground Logic Ground Not Connected Not Connected Not Connected Not Connected Logic Power Logic Power Not Connected...
  • Page 128 7. Connection Diagram Oki Data CONFIDENTIAL Pin No. I/O Signal Function Bank Select 0 Low Address Strobe Write Enable Column-Address Strobe CS0N Chip Select 0 CS1N Chip Select 1 Address Bus 13 Not Connected Logic Ground Logic Ground Not Connected...
  • Page 129 7. Connection Diagram Oki Data CONFIDENTIAL Pin No. I/O Signal Function Not Connected Not Connected Logic Power Logic Power Not Connected Not Connected DQS7 Data Strobe 7 Data Mask 7 Logic Ground Logic Ground Not Connected Not Connected Not Connected...
  • Page 130 7. Connection Diagram Oki Data CONFIDENTIAL (2) High-Voltage Power/ Sensor Board 130 / 43984801TH Rev.1...
  • Page 131 7. Connection Diagram Oki Data CONFIDENTIAL • CN1 Connector Pin Allocation (Connection to FAN) Pin No. I/O Signal Function FANPOW FAN Drive Power FANGND Frame Ground FANALM-P FAN Alarm Detection • CN2 Connector Pin Allocation (Connection to the Fusing Thermistor) Pin No.
  • Page 132 7. Connection Diagram Oki Data CONFIDENTIAL (3) Low-Voltage Power 220V 110V 132 / 43984801TH Rev.1...
  • Page 133 7. Connection Diagram Oki Data CONFIDENTIAL • CN1 Connector Pin Allocation (Connection to the Fusing AC Supply) Pin No. I/O Signal Function AC(LIVE) FAN Drive Power Blank AC(NEUTRAL) Fan Alarm Detection • CN2 Connector Pin Allocation Pin No. I/O Signal...

  • Page 134: Resistance Value

    7. Connection Diagram Oki Data CONFIDENTIAL 7.3 Resistance value 134 / 43984801TH Rev.1...
  • Page 135 7. Connection Diagram Oki Data CONFIDENTIAL 135 / 43984801TH Rev.1...

  • Page 136: Appendix A Centronics Parallel Interface

    Cables compatible with IEEE Std 1284-1994 under 1.8mm (or equivalent product) should be used. (It is recommended to use twisted pair cable with shield for noise control.) Note! The cable is not included in the printer. Moreover, you can not purchase it from the Oki Data Corporation. 136 /...
  • Page 137 Appendix A Centronics Parallel Interface Oki Data CONFIDENTIAL List of Parallel I/F Signals Pin No Signal Name Direction Function nStrobe(HostClk) TO PRINTER Pulse to read data. The data is read at the posterior border. DATA 1 TO PRINTER 8-bit parallel data The high level is “1”...
  • Page 138 Appendix A Centronics Parallel Interface Oki Data CONFIDENTIAL (5) Specification Item Contents Mode Compatible mode, Nibble mode, and ECP mode Data Bit Length 8 bit (Compatible mode) Input Prime Enable/ Disable Receive Buffer 8K, 20K, 50k, 100k, 1M Byte Control The handshake control is performed in each mode.
  • Page 139 Appendix A Centronics Parallel Interface Oki Data CONFIDENTIAL C) Data Reception (Menu Setting: Ack/ Busy Timing= Ark in Busy) nStrobe PError nAck (ACK) Menu Setting (Ack Width) NARROW MEDIUM WIDE T (ACK) 0.5 us 1.0 us 3.0 us d) Data Reception (Menu Setting: Ack/ Busy Timing= Ark in Busy)
  • Page 140 Appendix A Centronics Parallel Interface Oki Data CONFIDENTIAL f) Offline Notice for transfer Notice for transfer to the Offline to the Online Printer Idling Offline Online Status Busy PError nFault Select Receive RUNNING PEND RUNNING Receive DMA Completion Receive DMA Restart...
  • Page 141 This is a procedure to perform on the operator panel of the printer (B420/ B430/ B440 series). In the setting of B410 series, use "Printer Menu Setup Tool". By pressin the "Enter" key after selecting a display content of the operator panel with the "Menu "...
  • Page 142 I-PRIME signal is ignored. 3 microseconds Enable at the I-PRIME signal of 3μs 50 micro seconds Enable at the I-PRIME signal of 50μs Factory Default : 50 Micro seconds (B410 series) Disable (B420/ B430/ B440 series) Press the "Menu " key. Items...

  • Page 143: Appendix B Usb Interface

    Appendix B USB Interface Oki Data CONFIDENTIAL Appendix B USB Interface (1) Connector • Printer side : B Receptacle (Female) (Upstream port) Equivalent to USB-4R-D14T-1 (JST Mfg. Co., Ltd.) • Cable side : B Plug (Male) (2) Cable • Cable with USB 2.0 specification under 2.0m (It is recommended to use a shielded cable.) Note! The cable is not included.
  • Page 144 Appendix B USB Interface Oki Data CONFIDENTIAL (8) Signal Level • Input and Output Level Parameter Signal Minimum Maximum Unit Input level: High (Driven) High (Floating) VIHZ Output level: High (Driven) Output signal crossover voltage VCRS • Signal level Signal Level...

  • Page 145: Appendix C Maintenance Manual For Second Tray Unit

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL Appendix C Maintenance Manual for Second Tray unit Overview 1.1 Function The extended paper feed unit is installed under the printer. the device performs the auto paper feed by the operation of the pulse motor (hopping) to control a signal from the printer.

  • Page 146: Description For Operation Of Second Tray Unit

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 2. Description for Operation of Second Tray unit Second Tray unit receives a signal from the printer main body and feeds paper to the printer main body. Paper Feed from the Second Tray unit (Tray2) 1.

  • Page 147: Part Replacement

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3. Part Replacement This section describes how to disassemble/ assemble/ install in the field. This section describes how to disassemble, however, as for the assembly, take the opposite sequence to the disassembling procedure.

  • Page 148: Arrangement Of Parts

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.2 Arrangement of Parts 　The arrangement of main parts is as shown in the following figure. Connector(9715S-08Z02-G4C) Guard-Connector Gear-Assy-Clatch CONN Cord-AMP8P-AHP8P Board-OT7 Roller-Feed Roller-Pick-Up Roller-Feed-Now Frame-Assy-Retard Spring-Retard Cassette-Assy Figure 3-1 148 / 43984801TH Rev.1...

  • Page 149: How To Replace Parts

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3 How to Replace Parts This section describes how to replace parts shown in the 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.

  • Page 150: Roller-Pick-Up, Roller-Feed-Now

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3.1 Roller-Pick-Up, Roller-Feed-Now (1)Remove Cassette-Assy. (2)Push the claw in the direction of the arrow to remove Roller-Pick-Up (3)Push the claw in the direction of the arrow to remove Roller-Feed-NOW (4)As for reinstalling, take the opposite sequence to removal sequence.

  • Page 151: Guard-Connector, Connector(9715S-08Z02-G4C) (3.3.2)

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3.2 Guard-Connector， Connector (9715S-08Z02-G4C) (1) Turn off the printer and pull the AC cord. Remove the printer from the device. (2) Remove two Screw-Shoulders (3) Remove the connector to remove Guard-Connector , Connector (9715S-08Z02-G4C) (4) As for reinstalling, take the opposite sequence to removal sequence.

  • Page 152: Roller-Feed (3.3.3)

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3.3 Roller-Feed (1) Turn off the printer and pull the AC cord. Remove the printer from the device. (2) Remove the 4 screws (Black) , Remove the clamp of claw at the 2 places and remove Cover-Front...

  • Page 153: Board-Ot7 (3.3.4)

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3.4 Board-OT7 (1) Turn off the printer and pull the AC cord. Remove the printer from the device. (2) Remove two Screw-Shoulders (3) Remove two screws (silver) to remove two Cover-Top-Pot...

  • Page 154: Conn Cord-Amp8P-Amp8P (3.3.5)

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3.5 CONN Cord-AMP8P-AMP8P (1) Turn off the printer and pull the AC cord. Remove the printer from the device. (2) Remove Plate-Top. (See 3.3.4 (2) to (4)) (3) Remove the screw (Black) that is for fixing the core.

  • Page 155: Gear-Assy-Clatch (3.3.6)

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3.6 Gear-Assy-Clatch (1) Turn off the printer and pull the AC cord. Remove the printer from the device. (2) Remove Plate-Top. (See 3.3.4 (2) to (4)) (3) Remove four screws (black)
  • Page 156 Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL ⑥ ③ ④ ⑤ ⑤ ⑧ ❾ ⑦ Positions of Lever-Paper-End and Sensor ⑥ Cable Sensor Lever-Paper-End The top of the Lever-Paper-End should be in the groove of the sensor.

  • Page 157: Frame-Assy-Retard, Spring-Retard (3.3.7)

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 3.3.7 Frame-Assy-Retard, Spring-Retard (1) Detach Cassette-Assy. (2) Push two claws in the direction of the arrow to remove Retard-Cover in the direction of the arrow. (Spring-Retard ❸ is also removed together.) (3) Push Frame-Assy Retard (4) As for reinstalling, take the opposite sequence to removal sequence.

  • Page 158: Cleaning Of Paper Feed Roller And Separation Roller

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 4. Cleaning of Paper Feed Roller and Separation Roller Clean the rollers when [392: Paper Jam] often occurs. (1) Pull the paper cassette. (2) Wipe off paper-feed rollers (two rollers) with a wet cloth which is wrung or LED lens cleaner.

  • Page 159: Procedure For Troubleshooting

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 5. Procedure for Troubleshooting 5.1 Precautions for Troubleshooting (1) Check the basic items to be checked in the user’s manual. (2) Obtain detail information at the failure from customers as much as possible.

  • Page 160: Troubleshooting Method

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 5.3 Troubleshooting Method When trouble occurs in the device, search the trouble with the following steps. Trouble occurs. According to the Perform the Trouble displayed on LCD status detailed search for...

  • Page 161: Lcd Status Message List

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 5.3.1 LCD Status Message List The list of statuses and trouble displayed as the message format in LCD is outlined in Table 5-1. Table 5-1 List of Statuses and Trouble of Second Tray unit...
  • Page 162 Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL • (Jam Error) Paper Feed Jam • Does a jam occur around the entrance when turning on the power? • Yes Is the paper on the entrance sensor plate? •...

  • Page 163: Connection Diagram

    Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL 6. Connection Diagram Connection to the printer 6.1 Connection diagram HOP1 1 HOP2 2 HOP3 3 HOP4 4 Gear-Assy-Clatch 6.2 Board Arrangement OT7 board 163 / 43984801TH Rev.1...
  • Page 164 Appendix C Maintenance Manual for Second Tray unit Oki Data CONFIDENTIAL •CN1 Connector Pin Allocation (Connection to the Main control board) PIN No. I/O Signal Function SCLK-N Clock I/O DATA-N Data SDP-N OPT Transmission Mode OPCNT-N Control Signal Logic Ground...

  • Page 165: Appendix D Network Interface

    Appendix D Network Interface Oki Data CONFIDENTIAL Appendix D Network Interface (1) Connector • 8-pin modular jack (2) Cable • Category-5 non-shielded twisted pair cable with RJ-45 connector (3) Signal PIN No. Signal name Direction Function TXD+ FROM PRINTER Transmit Data+...
  • Page 166 Appendix D Network Interface Oki Data CONFIDENTIAL (7) TCP/IP a) Supported OS Windows2000 Server(32/64bit) WindowsVista(32/64bit) Windows2000 WindowsXP(32/64bit) b) LPR LPR is an application to process printing data. LPR of this system supports multiple clients. In addition, it offers multiple connections to one client.
  • Page 167 Appendix D Network Interface Oki Data CONFIDENTIAL c) FTP FTP is an application to process the print data. The FTP of this system supports multiple clients. Also, it provides multiple connections to each client. Item Factory Default Setting Range Contents...
  • Page 168 Printer Name Olxxxxxx The last 3 bytes of MAC address are set in xxxxxx -prn1 of the default. By this setting, the default is not MLxxxxxx overlapped with other printers manufactured by OKI -prn1 DATA. Etherxxxxxx Overseas: Olxxxxxx-prn1 -prn1 Japan: Mlxxxxxx-prn1...
  • Page 169 Olxxxxxx The last 3 bytes of MAC address are set in xxxxxx MLxxxxxx of the default. By this setting, the default is not Etherxxxxxx overlapped with other printers manufactured by OKI DATA. Overseas: Olxxxxxx Japan: Mlxxxxxx OEM: Etherxxxxxx Print Server Name has to be set in NetWare Server in advance by the Novell tool.
  • Page 170 Appendix D Network Interface Oki Data CONFIDENTIAL (9) EtherTalk a) Supported OS MacOS 9.X, Mac OS X b) PAP PAP is an application to process the print data. Item Factory Default Contents EtherTalk Zone Name Specify a Zone of EtherTalk.
  • Page 171 Appendix D Network Interface Oki Data CONFIDENTIAL (10) Setup Each setting item can be set up by the menu and network administration tool. Operation Panel Display Setting item Setting item Default Function (lower level) (Upper level) *: Default TCP/IP Enable Specify Enable/ Disable of TCP/IP protocol.

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