Oki B4100 Maintenance Manual
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Oki B4100 Maintenance Manual

Oki B4100 Maintenance Manual

Monochrome led page printer
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No.01
Monochrome LED Page Printer
BOM
Use for
Rev
Date
DCO No.
Approval
Hisao Ono
.....................................................................................................
Check
.....................................................................................................
Date
2004-04-14
B4100

Maintenance Manual

ODA
040623A
Contents
Design
Hisao Ono
Oki Data CONFIDENTIAL
Certification Body
Design
Name
B4100
Maintenance Manual
Drawing No.
42640901TH
Approval
1
86

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  • Page 1: Maintenance Manual

    Oki Data CONFIDENTIAL No.01 B4100 Monochrome LED Page Printer Maintenance Manual 040623A Use for Certification Body Date DCO No. Contents Design Approval Approval Design Name Hisao Ono Hisao Ono ..................... B4100 Check Maintenance Manual ..................... Date Drawing No. 2004-04-14 42640901TH...
  • Page 2 Oki Data CONFIDENTIAL Document Revision History Corrected items Person in Rev.No. Date charge Page Description of change 2004-04-01 ISSUE ME5 Ono 42640901TH Rev.1...
  • Page 3 Oki Data CONFIDENTIAL PREFACE This Maintenance Manual describes the field maintenance methods for B4100 Monochrome LED Page Printers. This manual is written for use by service persons. Please note that you should refer to the Printer Handbook for the handling and operating methods of the equipment.

  • Page 4: Table Of Contents

    Oki Data CONFIDENTIAL CONTENTS 1. CONFIGURATION ....................6 1.1 System Configuration ..................6 1.2 Printer Configuration ..................7 1.3 Specification ..................... 8 1.4 Safety Standards .................... 10 1.4.1 Certification Label ...................... 10 1.4.2 Warning Label ......................10 1.4.3 Warning/Caution Marking ..................11 2.
  • Page 5 Oki Data CONFIDENTIAL 5. TROUBLESHOOTING PROCEDURES ..............44 5.1 Troubleshooting Tips ..................44 5.2 Check Points Before Correcting Image Problems .......... 44 5.3 Notes When Correcting Image Problems ............44 5.4 Preparation Before Troubleshooting ............... 44 5.5 Troubleshooting ....................47 5.5.1...

  • Page 6: Configuration

    Oki Data CONFIDENTIAL CONFIGURATION System Configuration B4100 consists of control and engine blocks in the standard configuration, as shown in Figure 1-1. LED : 4 Operrator Panel SW : 1 Drum Paper Feeding Motor Paper Mechanism Hopping/ Cassette (First Tray Unit)

  • Page 7: Printer Configuration

    Oki Data CONFIDENTIAL Printer Configuration The printer unit consists of the following hardware components: • Electrophotographic Processor • Paper Feeder • Controller • Operator Panel • Power Supply Unit The printer unit configuration is shown in Figure 1-2. Upper cover...

  • Page 8: Specification

    Oki Data CONFIDENTIAL Specification (1) Type Desktop (2) External dimensions Height 7.9” (200 mm) Width 14.0” (355 mm) Depth 15.7” (400 mm) (3) Weight Approx. 9 kg (4) Developing method Dry electrophotography Exposing method LED stationary head (5) Paper used <Type>...
  • Page 9 Oki Data CONFIDENTIAL 110~127 VAC ± 10% (10) Power input 220~240 VAC ± 10% (11) Power consumption 120VAC 230VAC Peak Approx. 700W Approx. 700W Typical operation Approx. 340W Approx. 350W Idle Approx. 66W Approx. 68W Power save mode : Approx. 8W Approx.

  • Page 10: Safety Standards

    Oki Data CONFIDENTIAL Safety Standards 1.4.1 Certification Label The safety certification label is affixed to the printer in the position described below. ODA AC : 120V model ODA AC : 230V model Serial No. Made In China OEL AC : 230V model AOS AC : 230V model 1.4.2...

  • Page 11: Warning/Caution Marking

    Oki Data CONFIDENTIAL 1.4.3 Warning/Caution Marking The following warning and caution markings are made on the power supply/sensor board. CAUTION ENGLISH Heatsink and transformer core present risk of electric shock. Test before touching. 11 / 42640901TH Rev.1...

  • Page 12: Parts Replacement

    Oki Data CONFIDENTIAL PARTS REPLACEMENT The section explains the procedures for replacement of parts, assemblies, and units in the field. Only the disassembly procedures are explained here. For reassembly, reverse the disassembly procedure. Precautions for Parts Replacement (1) Before starting to replace parts, remove the AC cord and interface cable.
  • Page 13 Oki Data CONFIDENTIAL [Service Tools] The tools required for field replacement of printed circuit boards, assemblies and units are listed in Table 2-1. Table 2-1 Service Tools Service Tools Q’ ty Application Remarks No. 1-100 Philips screwdriver 2~2.5 mm screws No.

  • Page 14: Parts Layout

    Oki Data CONFIDENTIAL Parts Layout This section explains the layout of main components of the equipment. [Lower base unit] Stacker cover assy Eject roller assy Pulse motor (main/drum) Back-up roller View A Diselectrification bar Transfer roller Registration roller Assy Pulse motor...
  • Page 15 Oki Data CONFIDENTIAL [Upper cover unit] Upper cover Figure 2-2 15 / 42640901TH Rev.1...
  • Page 16 Oki Data CONFIDENTIAL [Base unit] Operator panel assy Face up stacker assy Power supply board (Low voltage) DC fan assy High voltage / sensor board Main control board Cassette guide (L) Assy Cassette guide (R) Assy Paper cassette Figure 2-3 16 / 42640901TH Rev.1...

  • Page 17: How To Change Parts

    Oki Data CONFIDENTIAL How to Change Parts This section explains how to change parts and assemblies listed in the disassembly diagram below. In the parts replacement procedure, those parts marked with the part number inside with white letters are RSPL parts.

  • Page 18: Upper Cover Assy

    Oki Data CONFIDENTIAL 2.3.1 Upper Cover Assy (1) With the power switch turned off, unplug the AC power cord from the outlet. (2) Disconnect the interface cable 1. (3) Press the button 2 on right side of the Upper cover and open the stacker cover assy 3.

  • Page 19: Led Head

    Oki Data CONFIDENTIAL 2.3.2 LED Head (1) Press the button on right side of the upper cover and open the stacker cover assy 1. (2) Open the hook section on the left side of the head holder and remove the LED head 2.

  • Page 20: Operator Panel Assy

    Oki Data CONFIDENTIAL 2.3.3 Operator Panel Assy (1) Unlock two latches on the upper cover from the rear side, lift the operator panel assy 1 from the back and remove it. (2) Remove the Sumi card (operator panel) 2 from the connector (CN1) 3.

  • Page 21: Lower Base Unit

    Oki Data CONFIDENTIAL 2.3.4 Lower Base Unit (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the transfer roller assy (see 2.3.13).

  • Page 22: Pulse Motor (Main/Drum)

    Oki Data CONFIDENTIAL 2.3.5 Pulse Motor (Main/Drum) (1) Remove the upper cover assy (see 2.3.1). (2) Remove the lower base unit (see 2.3.4). (3) Remove two screws 1 and remove the pulse motor (main/drum) 2 from the motor bracket 3.

  • Page 23: Pulse Motor (Registration)

    Oki Data CONFIDENTIAL 2.3.6 Pulse Motor (Registration) (1) Remove the upper cover assy (see 2.3.1). (2) Remove the lower base unit (see 2.3.4). (3) Remove two screws 1 and remove the pulse motor (registration) 2 from the motor bracket 3.

  • Page 24: Face Up Stacker Assy

    Oki Data CONFIDENTIAL 2.3.7 Face Up Stacker Assy (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the Sumi card (Operator panel cable) 1 off the latch section of face up stacker 2 .

  • Page 25: Eject Roller Assy

    Oki Data CONFIDENTIAL 2.3.8 Eject Roller Assy (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the stacker cover assy (see 2.3.11).

  • Page 26: Motor Assy

    Oki Data CONFIDENTIAL 2.3.9 Motor Assy (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the lower base unit (see 2.3.4). (5) Stand the lower base unit on its side as shown, and unlock two latches, then remove the motor assy (6) Remove screw 2 and remove the bracket-Motor-Sub 3 from the Motor bracket.

  • Page 27: Hopping Roller Shaft Assy

    Oki Data CONFIDENTIAL 2.3.10 Hopping Roller Shaft Assy (1) Remove the upper cover (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the lower base unit (see 2.3.4).

  • Page 28: Stacker Cover Assy

    Oki Data CONFIDENTIAL 2.3.11 Stacker Cover Assy (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the motor assy (see 2.3.9). (5) Remove the reset lever R 1.

  • Page 29: Registration Roller

    Oki Data CONFIDENTIAL 2.3.12 Registration Roller (1) Remove the upper cover (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the lower base unit (see 2.3.4). (5) Remove the motor assy (see 2.3.9).

  • Page 30: Roller Transfer Assy

    Oki Data CONFIDENTIAL 2.3.13 Roller Transfer Assy (1) With the power switch turned off, unplug the AC cord from the outlet. (2) Open the stacker cover. (4) Remove the spacer 1. (4) Release the roller transfer assy 2 by unlocking two latches of the bearing TR (never apply excessive force when unlocking the latch) and slide the roller transfer assy left to remove the gear from the bracket.

  • Page 31: Fusing Unit

    Oki Data CONFIDENTIAL 2.3.14 Fusing Unit (1) Remove the upper cover (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the lower base unit (see 2.3.4). (5) Remove the stacker cover assy (see 2.3.11).

  • Page 32: Back-Up Roller

    Oki Data CONFIDENTIAL 2.3.15 Back-up Roller (1) Remove the fusing unit assy (see 2.3.14). (2) Lift the left side of the back-up roller 1, and pull it out to the left side (at this time, two bearing Holders (back-up) 2 and the bias springs (back-up) 3and the two ball-bearings 4, washer C 5 will also come off).

  • Page 33: Sensor Plate (Inlet)

    Oki Data CONFIDENTIAL 2.3.16 Sensor Plate (Inlet) (1) Remove the upper cover (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the lower base unit (see 2.3.4). (5) Unlock the latch at the left side of the paper guide (R) 1 and remove the paper guide (R) 1.

  • Page 34: Sensor Plate (Outlet), Sensor Wire Assy

    Oki Data CONFIDENTIAL 2.3.17 Sensor Plate (Outlet), Sensor Wire Assy (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the eject roller assy (see 2.3.8). (4) Remove the face up stacker assy (see 2.3.7).

  • Page 35: Manual Feed Guide Assy

    Oki Data CONFIDENTIAL 2.3.18 Manual Feed Guide Assy (1) Remove the upper cover assy (see 2.3.1). (2) Open the manual feed guide assy 1, and release the engagement on both sides with the main unit by carefully bending the manual feed guide assy 1.

  • Page 36: Sensor Plate (Paper Supply)

    Oki Data CONFIDENTIAL 2.3.19 Sensor Plate (Paper Supply) (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the lower base unit (see 2.3.4).

  • Page 37: Grg-5, 7 Pcb

    Oki Data CONFIDENTIAL 2.3.20 GRG-5, 7 PCB (1) Remove the upper cover assy (see 2.3.1). (2) Remove the operator panel assy (see 2.3.3). (3) Remove the face up stacker assy (see 2.3.7). (4) Remove the lower base unit (see 2.3.4).

  • Page 38: Power Supply Board And High Voltage/Sensor Board

    Oki Data CONFIDENTIAL 2.3.21 Power Supply Board and High Voltage/Sensor Board (1) Remove the upper cover assy (see 2.3.1). (2) Remove the lower base unit (see 2.3.4). (3) Remove two screws 1 and the guide plate 2. (4) Remove the AC inlet 3 from the guide plate 2.

  • Page 39: Cassette Guide L Assy

    Oki Data CONFIDENTIAL 2.3.22 Cassette Guide L Assy (1) Remove the paper cassette. (2) Remove the upper cover assy (see 2.3.1). (3) Remove the lower base unit (see 2.3.4). (4) Remove two screws 1, and remove the beam plates 2.

  • Page 40: Cassette Guide R Assy

    Oki Data CONFIDENTIAL 2.3.23 Cassette Guide R Assy (1) Remove the paper cassette. (2) Remove the upper cover assy (see 2.3.1). (3) Remove the lower base unit (see 2.3.4). (4) Remove two screws 1, and remove the beam plates 2.

  • Page 41: Adjustment

    Oki Data CONFIDENTIAL ADJUSTMENT This chapter explains adjustment necessary when a part is replaced. This adjustment is made by changing the parameter values set in EEPROM on the main control board. The status monitor or maintenance utility can be used to change these values.

  • Page 42: Periodical Maintenance

    Oki Data CONFIDENTIAL PERIODICAL MAINTENANCE Periodical Replacement Parts The parts are to be replaced periodically as specified below: Part name Condition for replacement Cleaning Remarks Toner cartridge 2.5K About 2,500 sheets of paper have been printed. LED head Consumables (Type 9) Image drum cartridge About 25,000 sheets of paper have been printed.

  • Page 43: Cleaning

    Oki Data CONFIDENTIAL 4.2.2 Cleaning Page Function There is a charge roller cleaning function with this printer, which can be executed by the user. (1) Press the control switch to take the printer off line. (2) Open the manual feed tray and insert a sheet of A4 or 8-1/2 x 11 plain paper between the paper guides.

  • Page 44: Troubleshooting Procedures

    Oki Data CONFIDENTIAL TROUBLESHOOTING PROCEDURES Troubleshooting Tips (1) Check the basic check points written in the user’s manual. (2) Gather detailed failure information as much as possible from the customer. (3) Check the printer under the condition close to that under which the failure occurred.
  • Page 45 Oki Data CONFIDENTIAL LED Functions(1/2) Manual Feed Status Ready (green) Error (amber) Remark (amber) Online(Ready) Undefined Offline Undefined Data Arrive Flash 2 Undefined Data Processing Flash 2 Undefined Data Exist Flash 1 Undefined Printing Flash 2 Undefined Printing (copy) Undefined...
  • Page 46 Oki Data CONFIDENTIAL LED Functions(2/2) Manual Feed Status Ready (green) Error (amber) Remark (amber) Checking RAM During initializing EEPROM Flash 2 (3 times) Flash 2 (3 times) Flash 2 (3 times) Drum counter being reset Flash 2 (2 times) Flash 2 (2 times)

  • Page 47: Troubleshooting

    Oki Data CONFIDENTIAL Troubleshooting If a trouble occurs in the printer, troubleshoot according to the following procedures: Trouble Perform detailed Troubleshoot according to Trouble indicated by troubleshooting according "Status Monitor Message List" the message displayed to the troubleshooting flow. (See Section 5.5.1.) on the status monitor.
  • Page 48 Oki Data CONFIDENTIAL 48 / 42156801TH Rev.2...
  • Page 49 Oki Data CONFIDENTIAL 49 / 42156801TH Rev.2...
  • Page 50 Oki Data CONFIDENTIAL 50 / 42640901TH Rev.1...

  • Page 51: Status Message Troubleshooting

    Oki Data CONFIDENTIAL 5.5.2 Status Message Troubleshooting If the problems cannot be corrected by using the status message/problem list, follow the troubleshooting flowcharts given here to deal with them. Trouble Flowchart number The printer does not work normally after the power is turned on.
  • Page 52 Oki Data CONFIDENTIAL The printer does not work normally after the power is turned on. • Turn the power off, then back on. • Is the Power LED ( ) lamp on? • No Is the AC cord being connected properly? •...
  • Page 53 Oki Data CONFIDENTIAL [JAM error] Paper input jam (Paper Jam) • Does the JAM error occur when the power is turned on? • Yes Is the paper at the inlet sensor? • Yes Remove the paper. • No Is the operation of the inlet sensor plate normal (moves freely when it is touched)? •...
  • Page 54 Oki Data CONFIDENTIAL [JAM error] Paper feed jam • Does the paper feed jam occur when the power is turned on? • Yes Is the paper on the paper sensor plate? • Yes Remove the paper. • No Is the operation of the paper sensor plate normal (moves freely when it is touched)? •...
  • Page 55 Oki Data CONFIDENTIAL 2-2-a • No Check the gears (transfer roller gear, idle gear and reduction gear). • Yes Is the fusing unit being installed properly? • No Install the fusing unit properly. • Yes Is the image drum cartridge being set properly? •...

  • Page 56: Paper Size Error

    Oki Data CONFIDENTIAL Paper size error • Is paper of the specified size being used? • No Use paper of the specified size. • Yes Are inlet sensor plates 1 and 2 operating properly (moves freely when they are touched)? •...
  • Page 57 Oki Data CONFIDENTIAL Fusing unit error Status Message : Thermister Open Error : Thermister Short Check Error : Fuser Error Heater temp High : Fuser Error Heater temp Low • Turn the power off, then back on again. • Yes Is the thermistor open or shorted? Measure the resistance between thermistor contacts (heater contacts 120V/2Ω...

  • Page 58: Image Troubleshooting

    Oki Data CONFIDENTIAL 5.5.3 Image Troubleshooting Procedures for troubleshooting for abnormal image printouts are explained below. Figure 5-3 below shows typical abnormal images. Problem Flowchart number Images are light or blurred entirely (Figure 5-3 Dark background density (Figure 5-3 Blank paper is output (Figure 5-3...

  • Page 59: Images Are Light Or Blurred Entirely

    Oki Data CONFIDENTIAL Images are light or blurred entirely. • Is toner low (is the TONER LOW message displayed)? • Yes Supply toner. • No Is paper of the specified grade being used? • No Use paper of the specified grade.
  • Page 60 Oki Data CONFIDENTIAL Dark background density • Has the image drum been exposed to external light? • Yes Install the image drum in the printer and wait about 30 minutes. • No Perform the cleaning page function (see Section 4.2.2).

  • Page 61: Black Vertical Belts Or Stripes

    Oki Data CONFIDENTIAL Black vertical belts or stripes • Perform the cleaning page function (see Section 4.2.2). • Has the problem been solved? • Yes End. • No Replace the image drum cartridge. • Has the problem been solved? • Yes Note: After replacing the image drum cartridge, reset the drum counter (see User's Manual).
  • Page 62 Oki Data CONFIDENTIAL Prints voids • Is the contact plate of the transfer roller in proper contact with the high voltage/sensor board (see Figure 5-5)? • No Adjust the contact plate so that it touches the high voltage/sensor board and the shaft of the transfer roller properly.
  • Page 63 Oki Data CONFIDENTIAL Poor fusing (images are blurred or peels off when the printed characters and im- ages on the paper are touched by hand) • Is paper of the specified grade being used? • No Use paper of the specified grade.
  • Page 64 Oki Data CONFIDENTIAL White vertical belts or streaks • Are the LED lens dirty? • Yes Clean the LED lens. • No Is the contact plate of the transfer roller in proper contact with the high voltage/sensor board (see Figure 5-5)? •...
  • Page 65 Oki Data CONFIDENTIAL Figure 5-4 65 / 42640901TH Rev.1...
  • Page 66 Oki Data CONFIDENTIAL Contact plate for transfer roller High voltage/sensor board Contact Figure 5-5 66 / 42640901TH Rev.1...

  • Page 67: Wiring Diagram

    Oki Data CONFIDENTIAL WIRING DIAGRAM Interconnect Signal Diagram 67 / 42640901TH Rev.1...

  • Page 68: Pcb Layout And Connector Signal List

    Oki Data CONFIDENTIAL PCB Layout and Connector Signal List (1) Main Control Board (GRG-5, 7 PCB) Printer front side LED Head Operator panel Printer front side Contact face Contact face Printer front side 6 – 1 1– 26 68 /...
  • Page 69 Oki Data CONFIDENTIAL (2) Power Supply Board/High Voltage and Sensor Board 69 / 42640901TH Rev.1...
  • Page 70 Oki Data CONFIDENTIAL • HEAD Connector Pin Assignment (To LED head) PIN NO. I/O* Signal Function Ground for Logic HDCLK-P Clock HDCLK-N Clock Ground for Logic HDLD Load HDSTB1 Hsync/CSN HDDATA3 Data 3 HDDATA2 Data 2 HDDATA1 Data 1 HDDATA0...
  • Page 71 Oki Data CONFIDENTIAL • HVIF Connector Pin Assignment (To High Voltage Unit/Sensor Board) PIN NO. I/O* Signal Function WRSNS-N Write Sensor IN1SNS-N Paper Sensor 1 TONER-N Toner Sensor IN2SNS-N Paper Sensor 2 PAPER-N Paper Out Sensor Ground SBPWN-P SB2 Output...
  • Page 72 Oki Data CONFIDENTIAL • PW_1 Connector Pin Assignment (To Power Supply Unit) PIN NO. I/O* Signal Function +38V +38V +38V +38V Analog Ground Analog Ground 0VPHD Ground for LED 0VPHD Ground for LED HEAD +5V for LED HEAD +5V for LED...
  • Page 73 Oki Data CONFIDENTIAL • FAN Connector Pin Assignment (To Fan) PIN NO. I/O* Signal Function FANPOW Power Supply for Fan driving Ground FANALM-P Fan Alarm * I: In O: Out C: Common • USB Connector Pin Assignment (USB I/F) PIN NO.
  • Page 74 Oki Data CONFIDENTIAL • RM Connector Pin Assignment (To Hopping/Resistration Motor) PIN NO. I/O* Signal Function RMPH1-P Coil 1-P RMPH1-N Coil 1-N RMPH2-P Coil 2-P RMPH2-N Coil 2-N * O: Out • DM Connector Pin Assignment (To Main Motor) PIN NO.

  • Page 75: Resistance Check

    Oki Data CONFIDENTIAL Resistance Check 75 / 42640901TH Rev.1...
  • Page 76 Oki Data CONFIDENTIAL 76 / 42640901TH Rev.1...

  • Page 77: Appendix A Centronics Parallel Interface (Oda230V/Oel/Aos Only)

    2) Cable • Cable length 6 ft (1.8 m) max. (A Shielded cable composed of twisted pair wires is recommended for noise prevention.) Note: Cable is not supplied with the printer, and is not available from Oki. 77 / 42640901TH Rev.1...
  • Page 78 Oki Data CONFIDENTIAL 3) Table of Parallel I/F Signals Pin No. Signal name Signal direction Functions DATA STROBE Parallel data sampling strobe DATA BIT - 1 DATA BIT - 2 DATA BIT - 3 DATA BIT - 4 PR Parallel input and output data...
  • Page 79 Oki Data CONFIDENTIAL 4) Signal Level • INPUT Low : 0 V to +0.4 V High : +2.4 V to 5.0 V • OUTPUT Low : 0 V to +0.4 V High : +2.0 V to 5.0 V 5) Specifications...
  • Page 80 Oki Data CONFIDENTIAL 7) Timing charts a) Power-ON (Menu Setting: PARALLEL=ENABLE) Power ON Notice of Transition to On-line Printer Power OFF Initializing H/W Initializing F/W Idle Status PError nAck Busy nFault Select b) Power-ON (Menu Setting: PARALLEL=DISABLE) Power ON Printer...
  • Page 81 Oki Data CONFIDENTIAL d) Data Reception (Menu Setting: Ack/Busy Timing=Ack while Busy) nStrobe Busy nAck T(ACK)/2 T(ACK)/2 * The T (ACK) values are the same as those shown in the section c). e) I-Prime (Not at menu-set I-PRIME=DISABLE) I/F Initialization...
  • Page 82 Oki Data CONFIDENTIAL g) Paper-End Notice of Transition to Paper-End Notice of Transition to On-line Printer Idle Paper-End On-line Status Busy PError nFault Select h) Warning (Paper-end state is excluded) Notice of Transition to Warning Notice of Transition to On-line...

  • Page 83: Appendix B Universal Serial Bus (Usb)

    Oki Data CONFIDENTIAL APPENDIX B Universal Serial Bus (USB) Universal Serial Bus Specification Revision 2.0 full speed compliance. Connector • Printer Side : “B” Receptacle (Upstream Input to the USB Device) • Cable Side : Series “B” Plug Cable • Cable Length : Max 5m (A cable must be met USB Spec Rev 1.1 for normal operation)
  • Page 84 Oki Data CONFIDENTIAL Signal Level • Input / Output Level Parameter Symbol Min. Max. Units Input Levels : High (driven) High (floating) Output Levels : High (driven) Output Signal Crossover Voltage • Signaling Levels Signaling Levels Bus State Required Acceptable Differential "1"...
  • Page 85 Oki Data CONFIDENTIAL Timing Chart a) Packet Voltage Levels VOH (min) VIH (min) VIL (max) VOL (max) Bus Idle First Bit of Packet Bus Driven to Last Bit J State at end of Packet of EOP Floats Portion Bus Idle...
  • Page 86 Oki Data CONFIDENTIAL e) Differential-to-EOP Transition Skew and EOP Width Crossover Point TPERIOD Extended Crossover Points Differential Data Lines TxDEOP = -2ns~5ns Diff. Data-to- SE0 Skew N * TPERIOD + TxDEOP Source EOP Width: TFEOPT (160ns~175ns) Receiver EOP Width: TFEOPR (80ns~)
  • Page 87 Oki Data CONFIDENTIAL No.01 B4100 Monochrome LED Page Printer Disassembly for Maintenance [Rev. 1] Use for Certification Body Date DCO No. Contents Design Approval Approval Design Name ..................... Hisao Ono Hisao Ono B4100 Check ..................... Disassembly for Maintenance Date Drawing No.
  • Page 88 Oki Data CONFIDENTIAL B4100 (1/2) View A View A 42640901TL Rev.1...
  • Page 89 Oki Data CONFIDENTIAL B4100 (2/2) ';lj` 76qa 3 / 3 42640901TL Rev.1...
  • Page 90 For B4100 Parts No. Name 51112301 Hopping Roller Shaft 5334201 Rubber-Hopping Roller 51607402 Bearing 51228901 One-way Clutch Gear 42174301 Roller-Regist 51607501 Bearing(Registration) 42174201 Roller-Pressure 41279501 Holder-Regist L 41279601 Holder-Regist R 42843001 Gear-Pressure 41279401 Bearing-Pressure 41281201 Spring-Tension 41280401 Plate-Contact PA 41279301...
  • Page 91 For B4100 Parts No. Name 42352501 Bracket-Sub-M 42196001 Motor-Pulse(Main) 42196101 Motor-Pulse(Regist) 42121701 Gear-M3 42121801 Gear-M2 42121901 Gear-R2 50517201 Washer C 42209101 Guide-Paper R(Adhesive) 42200501 Plate-Base Assy. Polyethylene Tape 40828301 Guide-Paper H CS-RING(CS3-SUS) 42209401 Cassette guide L Assy. 42209501 Cassette guide R Assy.
  • Page 92 For B4100 Parts No. Name Film-Support(Head) Film-Support(OP) Core 40997102 Cord Assy.-OP...

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