OKI 4m Manual de usuario

All specifications are subject to change without notice.OKIPAGE 4 /4LED Page PrinterMaintenance ManualOEL/INTApproval40245101TH

1 - 41.4 Specification(1) Type Desktop(2) Outside dimensions Height 5.9” (150 mm)(excludes protruding Width 12.2” (310 mm) portion) Depth 7.5” (191 mm

8 - 18. PARTS LISTFigure 8-1 Cover Assy Upper654123*1

8 - 21 Upper Cover 1PP4128-1251P1 12 Lamp 3PP4128-1255P1 13 Guide Slide (L) 2PP4128-1256P1 14 Guide Slide (R) 2PP4128-1257P1 15 Spur Gear (A) 4PP4128-

8 - 3Figure 8-2 Base Frame UnitecXdfdTTgTUZk[Z\Y]blVTRSQP^aONE8o754D3iCBA3MLIG069HFJK12LW

8 - 4Table 8-2 Base Frame UnitNo. Part Name Part No. Q'ty Remarks1 Base Frame Assy 2PP4083-1502G1 12 High-Voltage Power Supply Board 4YA4130-

8 - 534 Transfer Roller 3YB4083-1150P1 1Transfer Roller 40456901 1 For China35 Bias Spring (L) (Back Up Roller) 4PP4083-1136P1 136 Bearing BU (Back Up

8 - 613425Figure 8-3 Heat Assy

8 - 7No. Part Name Part No. Q'ty RemarksTable 8-3 Heat Assy1 Heat Roller 3PB4083-1202P1 12 Halogen Lamp 3PB4083-6103P4 1 120VHalogen Lamp 3PB

8 - 8Figure 8-4 Base Plate Unit77773426189

8 - 91 Base Plate Assy 3PA4083-1135G1 12 Insulation Sheet 3PB4083-1251P1 13 Power Supply Unit 4YB4049-1853P1 1 120VPower Supply Unit 4YB4049-1854P1 1

APPENDIX

1 - 5(12) Temperature and humidityTemperatureDuring operationIn storage10 to 32 ˚C–10 to +43 ˚C20 to 80% RH (relative humidity)10 to 90% RH (relative

A - 1Appendix A LOCAL PRINTING(1) The following operation enables the OKIPAGE 4w Plus/4m to print data by itselt.<Operation>With the cover open,

B - 1Appendix B PARALLEL INTERFACE(1) Connector• Printer side : 36-pin receptacleType: 57RE-40360-730B-D29A (Daiichi Denshi) or equivalent• Cable s

B - 2(3) Parallel I/F signalsPin No. Signal Name Direction Function (Compatible Mode) 1 2 3 4 5 6 7 8 9101112131415161819 30313233343536DATA

B - 3(4) Signal level• LOW : 0 V to +0.8 V• HIGH : +2.4 V to 5.0 V(5) Interface circuita) Receiving circuitb) Sending circuitR = 3.3KΩ (1.0-KΩ STROBE)

B - 4c) Data sending timing (nibble mode)ACKNOWLEDGEBUSYDATA bit 3 DATA bit 7FAULTDATA bit 0 DATA bit 4SELECTDATA bit 1 DATA bit 5PAPER ENDDATA bit 2

C - 1AppendixC Macintosh INTERFACE (OKIPAGE 4m)1) Connector• Printer side : 8-pin mini DIN receptacleType TCS7187-01-201 (made by HOSHIDEN) or equival

C - 2(As viewed from the cable side)8765432 15) Connector Pin Arrangement

D - 1Appendix D MAINTENANCE UTILITY1. OUTLINE OF MAINTENANCE UTILITYThe maintenance utility is an application program that operates on Microsoft Windo

D - 24. DETAIL OF EACH FUNCTION4.1 Engine Menu SettingEngine Menu Setting is used to set, display, and change the following menu items: (See FigureD-

D - 3(1) Drum CountNumber of revolutions of mounted EP drum(2) Total Drum CountTotal number of revolutions of EP drum after shipment(3) Page CountTota

1 - 6For OELFor OEL, OKI-INTFor China, TAIWANFor KoreaOKI-INT4w Plus1.5 Safety Standards1.5.1 Certification LabelThe safety certification label is aff

D - 44.6 AboutAbout is used to display the following information:Engine maintenance utility version informationPrinter version information and memory

D - 5<Engine Maintenance Driver GUI>Figure D-1 Main Menu DialogFigure D-2 Test Print Dialog

D - 6Figure D-3 Option Menu

D - 7Figure D-4 About Dialog

00000000THOki Data Corporation4-11-22, Shibaura, Minato-ku,Tokyo 108, JapanTel: (03) 5445-6162 Fax: (03) 5445-6189

2. OPERATION DESCRIPTION

2 - 12. OPERATION DESCRIPTIONThe OKIPAGE 4w Plus/4m consists of a main control board, a high-voltage power supply board,a power supply unit, and an e

2 - 2EEPROMParallelI/FLED headMain motorElectromagneticclutchSensorsTEMPTR-VSENTR-ISENResetcircuit10 MHzMSM65917(nX-8 core)AddresslatchEPROM(52 KByte)

2 - 3Figure 2-1 Block Diagram (OKIPAGE 4m)EEPROMParallelI/FLED headMain motorElectromagneticclutchSensorsTEMPTR-VSENTR-ISENResetcircuit10 MHzMSM65917

2 - 4Controls DRAM.Built-in Device FunctionDRAM controllerTransfers image data from Parallel I/F to DRAM, from DRAM to a video output port and between

2 - 5Used to generate a logic circuit and a high voltage.Used to drive the motor and electromagnetic clutch.Output voltage Application+5 V+24 VOutput

2 - 6Sensor Function Sensing StateManual feed sensorON: Paper exists.OFF: No paper exists.Monitors whether paper was inserted into the manual feed sen

HP, LaserJet and PCL5e are trademarks of Hewlett-Packard Co.

2 - 72.4 Electro-Photographic ProcessorThe electro-photographic processor prints out the image data to be sent from the main controlboard on sheets of

2 - 8Figure 2-3 Layout Drawing of Electro-Photographic ProcessorExit rollerHeat roller(ø 19.910)6.8510OFFON26.50Outlet sensorCleaning roller(ø 9.000)

2 - 9Main Motor Electromagnetic ClutchOFFONHopping RollerNon-rotationRotationNon-rotationRegist Gear Drum Gear OperationWarm-upHoppingPrinitngNon-rota

2 - 10Figure 2-4 Schematic Drawing of OKIPAGE4w Plus/4m Paper FeedingExit rollerHeat rollerTransfer rollerCleaning rollerCH rollerDrum rollerDevelopi

2 - 112.5 Electro-Photographic Process(1) Electro-photographic processThe electro-photographic process is outlined below.1 ChargingThe surface of the

2 - 12Figure 2-5 Flow for Electro-Photographic ProcessControl signalExposureTransferPapersupplyChargingPaper deliveryPaper feedingFusingCleaning Deve

2 - 132.5.1 Explanation of Each Process Operation(1) HoppingAs shown in the figure below, the clutch for hopping is turned on/off according to current

2 - 14Rotate the pulse motor (main) in the a direction. The planetary gear rotates in the a’ direction,dislocating its position in the a” direction.

2 - 15(3) ChargingCharging is performed by applying DC voltage to the charge roller that is in contact with thesurface of the OPC drum.Charge rollerOP

2 - 16OPC drumCharge rollerDeveloping bladeSponge rollerDeveloping roller2 The toner applied to the developing roller is thin-coated by the developing

PREFACEThis Maintenance Manual describes the field maintenance methods for LED Page Printers.This manual is written for use by service persons. Pleas

2 - 17(6) TransferThe transfer roller is composed of conductive sponge material. This roller is set so that thesurface of the OPC drum and sheets of

2 - 18(7) FusingThe transferred unfused toner image is fused to a sheet of paper because heat and pressureare applied when it passes between the heat

2 - 192.6 Paper Jam DetectionThe OKIPAGE 4w Plus/4m monitors the paper status when the power supply is on and duringprinting. In the following cases

2 - 20OFFReverserotationOFFONPulse motor(main)ElectromagneticclutchOFFONManual feedsensorOFFONPaper sensorOFFONOperation modeWarm-up Paper feed Printi

2 - 21 Paper Feed Check List2.7 Toner Low Detection• Hardware configuration of toner sensorThe figure below shows the hardware configuration of the to

2 - 22(2) The basic rotation cycle of the toner sensor is as follows:2.8 Cover OpenOpening the stacker cover turns off the microswitch on the high-vol

3. PARTS REPLACEMENT

3 - 13. PARTS REPLACEMENTThis chapter explains how to replace parts, assemblies, and units in the field.The replacement procedures to be explained her

3 - 2[Maintenance Tools]Table 3-1 lists the maintenance tools necessary for parts replacement.Table 3-1 Maintenance ToolsNo.No. 1-100 Philipsscrewdri

3 - 33.2 Parts LayoutThis section explains the layout of main parts.[Upper Cover Assy]Upper coverGuide slide (L)Spur gear (A)Guide slide (R)Hopper pla

CONTENTS1. CONFIGURATION ... 1 - 11.1 System Configuration ...

3 - 4[Base Frame Unit]Figure 3-2LED headFlat cable assyTransfer rollerHeat assyResistration rollerDrive shaft E (eject)Idle gear heatPressure roller (

3 - 5[Base Plate Unit]Figure 3-3Power supply unitMain control boardBase plate assy

3 - 63.3 Replacing PartsThis section explains how to replace parts and assemblies.3.3.1 Hopper Plate(1) Remove two claws and dismount hopper plate 1.1

3 - 73.3.2 LED Head and Head Spring(1) Open top cover assy 1.(2) Dismount the left clamp and LED head 2. Then, dismount flat cable assy 3.(3) Dismoun

3 - 83.3.3 Transfer Roller(1) Open top cover assy 1 and dismount EP unit 2.(2) Remove the right claw. Then, dismount transfer roller 3, two resist be

3 - 93.3.4 Upper Cover Assy(1) Turn off the power switch and unplug the AC cord from the AC socket.(2) Disconnect interface cable 1.(3) Open top cover

3 - 103.3.5 High-Voltage Power Supply Board(1) Dismount upper cover assy. (See Section 3.3.4.)(2) Remove three screws 1 and draw out high-voltage pow

3 - 113.3.6 Top Cover Assy and Flat Cable Assy(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount the LED head. (See Section 3.3.2.)

3 - 123.3.7 Paper Holder(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount paper holder 1.(3) Unlock and dismount paper guide (L) 2

3 - 133.3.8 Side Plate M and Idle GearPerform parts replacement while making the base frame assy stand so that side plate M will faceupward.(1) Dismou

4. ADJUSTMENT... 4 - 14.1 Adjustment Types and Functions ...

3 - 143.3.9 Heat AssyThis section explains how to dismount the heat assy and parts in the assy.<Dismounting the heat assy>(1) Dismount the upper

3 - 151132

3 - 1679BVoltage display side8C85A064

3 - 173.3.10 Drive Shaft E (Eject) and Eject Roller(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount top cover assy. (See Section

3 - 183.3.11 Pressure Roller B (Back Up Roller)(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount the high-voltage power supply boar

3 - 193.3.12 Separator Guide(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount the high-voltage power supply board. (See Section 3.

3 - 20<Dismounting Inlet><Disconnecting Connector>Screw driverClamp lever(–) Screw driver3116789414B02A15

3 - 213.3.13 Pulse Motor (Main)(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount the high-voltage power supply board. (See Section

3 - 223.3.14 Hopping Shaft Assy(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount the high-voltage power supply board. (See Section

3 - 233.3.15 Resist Roller(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount Idle gear R 3 and Gear R 4.(3) Move resist roller 1 to

1. CONFIGURATION

3 - 243.3.16 Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount the high-volt

3 - 253.3.17 Base Plate(1) Dismount the upper cover assy. (See Section 3.3.4.)(2) Dismount the base frame. (See Section 3.3.12.)(3) Remove two screw

4. ADJUSTMENT

4 - 14. ADJUSTMENTThis chapter explains adjustment necessary when a part is replaced.This adjustment is made by changing the parameters values set in

4 - 2 (For Macintosh) <only OKIPAGE4m>(1) Drum counter resetThis function resets the life of the drum counter when the EP unit is replaced. Cl

4 - 34.1.2 Engine Maintenance UtilitySee Appendix D.4.2 Adjustment When Replacing a PartThe table below lists the parts that requires adjustment when

4 - 44.2.2 Setting the LED Head Dot CountThere are two types of LED head dot count. Use the following label to identify these types. Use“LED Head Wi

4 - 54.2.3 Uploading and Downloading EEPROM DataWhen the main control board is replaced, EEPROM data must be reflected on a new main controlboard. Us

5. PERIODICAL MAINTENANCE

5 - 15. PERIODICAL MAINTENANCE5.1 Periodical Replacement PartsTable 5-1 lists the part and unit to be replaced periodically.Table 5-1 Routine Replace

1 - 1Electro-photographicProcessorPaper Feed MechanismENGINE UNITHopperPlateHigh-Voltage PowerSupply BoardPower Supply UnitMain Control Board*2MB Memo

5 - 2Figure 5-2LED head cleanerLED lens array(1) Set the LED head cleaner in the LED lens array, as shown in the figure below, and slide thecleaner le

6. TROUBLESHOOTING PROCEDURES

6 - 16. TROUBLESHOOTING PROCEDURES6.1 Troubleshooting Tips(1) Check the basic check points written in the user’s manual.(2) Gather detailed failure in

6 - 2TroubleTrouble indicated by the message displayed on the status monitor.Image problem (or trouble not displayed on the status monitor)Perform det

6 - 3StatusCodeCategory Status Message Display Content RemedyTable 6-1Warming-up statusOnline (ready) statusPower save statusThe toner amount of the t

6 - 4StatusCodeCategory Status Message Display Content RemedyTable 6-1 (Cont'd)30 0031 0032 0033 004F 0040 0140 1060 1060 30Paper of improper siz

6 - 5StatusCodeCategory Status Message Display Content RemedyTable 6-1 (Cont'd)Device configuration error 60 4060 6060 8060 9060 9160 9260 C0An e

6 - 66.5.2 Status Message TroubleshootingSome failures cannot be corrected according to the status message trouble list. Troubleshootthese failures a

6 - 71 The OKIPAGE 4w Plus/4m malfunctions after the power supply has beenturned on.• Turn the power supply off, then on again.• Is the LED lamp on?•

6 - 8[JAM error]2-1 Paper input jam• Does a paper input jam occur when the power supply is turned on?• Yes Is the jammed paper on paper sensor E?• Yes

1 - 2Upper Cover AssyEP UnitHeat AssyMain Control BoardTop Cover AssyPower Supply UnitHigh-Voltage PowerSupply Board1.2 Printer ConfigurationThe print

6 - 9• Yes Measure the resistance of the pulse motor (main). Is the resistance normal (about12.6 Ω)?• No Replace the pulse motor (main).• Yes Replace

6 - 10[JAM error]2-2 Paper feed jam• Does a paper feed jam occur when the power supply is turned on?• Yes Is the jammed paper on paper sensor E (paper

6 - 113 Paper size error• Is the paper of the specified size being use?• No Use paper of the specified size.• Yes Is paper sensor E (paper) operating

6 - 124 Heat assy error• Turn the power supply off, then on again.• Does the Halogen lamp of the heat assy go on?• No Is the Halogen lamp or thermosta

6 - 13A Light or blurredimages entirelyB Dark backgrounddensityC Blank paperD Black vertical stripes E Cyclical defect F White vertical belts or strea

6 - 141 An image is light or blurred entirely.• Is the toner low? (Is "Toner Low" being displayed?)• Yes Supply a toner.• No Is the specifi

6 - 152 Dark background density• Has the OPC drum being exposed to external light?• Yes Set the OPC drum in the OKIPAGE 4w Plus/4m and wait for about

6 - 164 Vertical black belt/stripe• Replace the EP unit.• Has this error been recovered?• Yes EndCaution:After replacing the EP unit, reset the drum c

6 - 176 A blank paper is output.• Is the contact plate of the transfer roller in correct contact with the high-voltage power supplyboard?• No Contact

6 - 187 Poor fusing• Is the specified paper being used?• No Use the specified paper. (xerox 4200 (20 lbs))• Yes Is the bias spring normal? (Tension:

1 - 31.3 Option(1) 2MB HBRB-PCB Option Memory Board(Only OKIpage 4m)

6 - 198 Vertical white belt/spripe• Is the lens of the LED head dirty?• Yes Clean the LED head.• No Is the contact plate of the transfer roller in cor

6 - 20Figure 6-4ContentsA: Toner Supply RollerB: Developing RollerC: Charge RollerD: Cleaning RollerE: Transfer RollerF: Heat Roller

6 - 21Figure 6-5ContentsA: Toner Supply RollerB: Developing RollerC: Charge RollerD: Cleaning RollerE: Ground (Drum)E

7. WIRING DIAGRAM

7 - 17. WIRING DIAGRAM7.1 (a)Interconnect Signal Diagram (OKIPAGE 4w Plus)1430116CN9 (Not Used)Main Control Board(HBMC-2 PCB)PowerSupply UnitHigh-Vol

7 - 27.1 (b)Interconnect Signal Diagram (OKIPAGE 4m)1430116CN9 (Not Used)Main Control Board(HBMC-2 PCB)PowerSupply UnitHigh-VoltagePowerSupply BoardCN

7 - 37.2 PCB Layout7.2.1 Main Control Board (HBMC-2 PCB) (OKIPAGE 4w Plus)Short PlugSP1Plug SettingA External EPROM is valid.Mask ROM in the CPU is va

7 - 47.2 PCB Layout7.2.2 Main Control Board (HBMC-3 PCB) (OKIPAGE 4m) S W I1 2Short PlagSP1Plag SettingA External EPROM is valid.Mask ROM in

7 - 57.2.3 High-Voltage Power Supply Board

8. PARTS LIST