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Service Manual 3

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1. Figure 6 3 Images are light or blurred entirely Is toner low is the TONER LOW message displayed Yes Supply toner Y No Is paper of the specified grade being used No Use paper of the specified grade Y Yes Is the lens surface of the LED head dirty Yes Clean the lens Y No Is the LED head being installed properly check connector CN4 OKIPAGE 66 or HEAD1 HEAD2 OKIPAGE 6ex of the control board and PC connector on the LED head for proper connection No Install the LED head properly Y ves Is the contact plate of the transfer roller in contact with the contact assembly of the power supply board properly see Fig 6 5 Adjust the contact plate of the transfer roller to make a proper contact with the power supply board and shaft of the transfer roller Y ves Are the contact of the developing roller and the contact of the toner supply roller of the image drum unit in comtact with the contact assembly properly see Fig 6 4 A and B No Adjust the contacts of the developing and toner supply roller to make a proper contact with the contact assembly Y ves Replace the transfer roller Has the problem been removed Yes End Y No Replace the image drum unit Has the problem been removed Yes End Note After replacing the image drum unit set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum coun
2. F 6 A en F 8 8 3 Parts Replacement Melodia F 9 3 3 1 Pulse Motor Hopping E F 10 3 3 2 OLEV I2 POB iii riali urne didit F 11 3 3 3 Hopping Roller Shaft Assembly and One way Clutch Gear F 12 TROUBLESHOOTING E F 13 4 1 Precautions Prior to the Troubleshooting F 13 4 2 Preparations for the Troubleshooting 44m gt F 13 4 3 Troubleshooting Method F 16 4 3 1 LCD Status Message Uert F 16 CONNECTION DIAGRAM rrnnnvvvnnnnnnnnnnnnnvnnnnnnnnnnnnnvnnnnnnnnnnnnnnnnnnnnnnnnneen F 18 5 1 Interconnection Diagram aaa F 18 bo Lebbiano F 19 PARTS LIS KE F 20 1 OUTLINE 1 1 Functions The printer is mounted on top of this High Capacity Second Paper Feeder and it supplies paper automatically through the operation of pulse motor Hopping which is driven by signals sent from the printer The main functions are Paper that can be used Paper Type Standard Paper Xerox 4200 20 Ib Use of envelopes OHP sheets label sheets and thick paper is not possible Cut Sheet Size A4 A5 B5 Letter Executive Legal13 Legal14 Special Size Paper Width 87 to 216mm Paper length 190 to 355 6mm Weight 16 Ib to 24 Ib 60 to 90 g m Paper setting quantity 250 sheets of paper weighing 64 g m 1 2 External View and Component Names Front Support Plate Sheet Guide Right Side Cover Hopping Roller Shaf
3. This message is displayed when the printer cannot reset automatically to exit from the menu because there are data and DLL s and macros having temporary attributes when the printer is changed from set mode to other mode Normal operation Toner is running out This message is displayed together with other message on the first line Normal operation can be continued Replace the toner cartridge A fault occurred in the tonersensor This message is displayed together with other message on the first line Normal operation can be continued Replace the power supply board CHG DRUM This message is displayed together with other message on the first line Normal operation can be continued Replace the image drum cartridge After replacing the drum cartridge reset the drum counter refer to the User s Manual Category Daily status LCD status message PWR SAVE Table 6 2 Cont d Trouble or status The printer is in the power saving mode This message is displayed together with other message on the first line Remedy Normal operation ERROR PS AdobePS OKIPAGE6ex in PS mode PostScript mode only This message will appear when the interpreter detects an error during a job processing The remainder of the job will be ignored Check the printer setting of the host
4. RS422 1 F LocalTalk I F Be SIMM EEPROM i SPE ES wl Luo ee la a a a a rs ge ee a et Sei da Le ate lele Si e Se e dl Figure 2 3 PS Board Block Diagram 2 3 RAM Board OKIPAGE 6e 6ex option The RAM board consists of DRAM s and a SIMM socket 1 DRAM 1MB of DRAM s reside on the RAM board 2 SIMM Socket One SIMM socket is mounted on the RAM board SIMM Socket Resident RAM 1MB Figure 2 4 RAM Board Block Diagram 2 4 Power Supply Board The power supply board consists of an AC filter circuit a low voltage power supply circuit a high voltage power supply circuit heater drive circuit and photosensors 1 Low Voltage Power Supply Circuit This circuit generates the following voltages Output voltage 5 V Logic circuit supply voltage 30 V Motor and fan drive voltage and source voltage for high voltage supply 8 V Analog supply voltage 8 V PS board and analog circuit supply voltage 2 High Voltage Power Supply Circuit This circuit generates following voltages required for electrophotographic process from 5 V according to the control sequence from the control board When cover open state is detected 5 V supply is interrupted automatically to stop the supply of all high voltage outputs Voltage Use Remarks 1 35 KV Voltage applied to charging ro
5. Paper of improper size is being fed from the tray being displayed tray TRAY 1 TRAY 2 FEEDER Check the paper in the tray or check to see if more than one sheet of paper were being fed simultaneously Set the designated paper in the tray Open the cover then close it to carry out recovery printing and release the error display If this error occurs frequently see 6 5 2 3 Tray paper out The tray being displayed has run out of paper tray TRAY 1 TRAY 2 FEEDER 6 15 Load paper in the tray Table 6 2 Cont d Category LCD status message Trouble or status Remedy Size error Loading of paper indicated by the Load the requested paper in the m second line message to the first tray REQUE line s tray is requested tray TRAY 1 TRAY 2 FEEDER LETTER EXECUTIV LEGAL 14 LEGAL 13 A4 SIZE A5 SIZE A6 SIZE B5 SIZE FREE SIZE Manual loading of paper indicated Load the requested paper in the by the second line message is manual tray requested The paper size one of the followings LETTER EXECUTIV LEGAL 14 LEGAL 13 A4 SIZE A5 SIZE A6 SIZE B5 SIZE FREE SIZE COM 10 MONARCH DL ENV C5 ENV 6 16 Table 6 2 Cont d Category LCD status message Trouble or status Remedy Buffer overflow The receive buffer is overflowing Press the operator panel RBC S
6. sek ski GS zeck ech zeck Sech NN ee ae sl ck Pulse motor B 4PB4076 6151P1 _ cw po po a a ali Motor Resist 40215301 Idle gear D 3PP4076 6145P1 Idle gear E 3PP4076 6146P1 Reduction gear C 3PP4076 6147P1 Fusing unit 2YX4083 6100G5 Fusing unit 2YX4083 6100G6 Eject roller assy 2PA4083 6120G2 Manual feed guide assy 2PA4083 6130G1 Stacker cover assy 40111303 of of o Stacker cover assy 40111302 Stacker cover subassy 40244101 Stacker cover subassy 40244103 Head spring 4PP4121 1164P1 Film FG 40104201 no FG Film 4PB4083 6169P1 Image drum kit Consumable Image drum kit Consumable Toner cartridge kit Consumable LED head unit 4Y4116 1224G2 600 dpi LED head unit 4YA4116 1228G1 300 dpi Lower base 2PP4083 6801G2 Stacker cover damper arm 4PP4083 6191G1 Stacker cover damper gear 4PB4083 6197P1 LED cable assy 4YX4121 1025G2 alal OEL Consumable Cord LED assy 40241702 INT Consumable Washer B 4PP4120 1209P1 Washer C 4PP4120 1210P1 Contact LED 4PP4083 6173P1 OEL Consumable Contact FG 4PP4083 7664P1 INT Consumable
7. Check the printer job data to see if there is any un supported or illegal operation in the data 6 5 2 Status Message Troubleshooting If the problems are not correctable by using the status message trouble 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 1 OKIPAGE 66 1 2 OKIPAGE Bel Jam alarm Paper input jam r Paper feed jam Paper exit jam Q1 2 3 Paper size error Fusing unit error Fan error 1 The printer does not work normally after the power is turned on OKIPAGE 6e and OKIPAGE 6ex Turn the power off then back on v Is LED turned on e No Is the AC cable being connected properly No Connect the connection properly Y Yes Is 5 V being applied between pins 2 and 5 of CN5 on the Main Control PCB Pin2 OV Pin5 45V t No Isthe connection between connector CN7 on the control board and connector CN3 on the power supply board made properly No Correct the connection Yes Goto A Y Yes Is 48V being applied between pins 24 and 16 GND of connector CN7 No Goto B Y ves Replace the main control board Y Yes Replace the main control board Y Remedy Yes End No v A board Yes Yes No Yes No No v Yes Y Take the measurement of the following voltages at conne
8. Inlet holder 4PP4083 6145P1 Ground plate 4PP4083 6137P1 LQME PCB RAM board 4YA4121 1058G11 Option OP Panel Cable Assembly AYX4121 1035G2 ODA OEL INT Separator assy paper cassette 3PP4083 5663G1 Cable guide 4PP4083 6138P1 Earth plate 4PP4083 6029P1 Appendix A CENTRONICS PARALLEL INTERFACE 1 Connector e Printer side 36 pin receptacle single port Type 57 40360 12 D56 made by Daiichi Denshi or equivalent Cable side 96 pin plug Type 57 30360 made by Daiichi Denshi or equivalent Plug 552274 1 AMP 552073 1 AMP or equivalent 2 Cable EEE std 1284 1994 compliant cable is recommended for noise prevention Cable length 6 ft 1 8 m max Note Cable is not supplied 3 Table of parallel I F signals Pin No Signal Name Signal Direction Logic Compatible Nibble ECP Functions 1 Data Strobe Printer Negative nStrobe Host Clk HostClk Data strobe 2 9 Data Bit n Printer Positive Data 1 LSB 8 MSB Data line from to host 10 Acknowledge Printer gt Negative nAck PtrClk PeriphClk Completion of reception or function 11 Busy Printer gt Positive Busy PtrBusy PeriphAck Data reception not possible 12 Paper End Printer gt Positive PError AckDataReq nAckReverse No paper 13 Select Printer gt Positive Select Xllag Xflag On line 14 Auto Feed Print
9. Printing Printing Exiting Printing Paper Request Status Message Tray1 paper request Standard Tray Paper Request Tray2 paper request Second Tray Paper Request Manual paper request Manual Paper Request Feeder paper request Papers Exective Letter Legal 14 Legal 13 COM 10 Warming Up Status Multipurpose Feeder Paperz Request Message Executive Paper Letter Paper Legal14 Paper Legal13 Paper Ledger Paper A6 Paper A5 Paper A4 Paper A3 Paper B5 Paper B4 Paper Monarch Envelope Com 10 Envelope DL Envelope C5 Envelope JIS B5 Envelope C4 Envelope Com 9 Envelope Message Warming Up Ready Warming Up Paper Out Status Message Tray1 Paper Out Standard Tray Paper Out Tray2 Paper Out Second Tray Paper Out Feeder Paper Out Cover Open Status Multipurpose Feeder Paper Out Message Cover Open Cover Open Second Tray Cover Open Second Tray Cover Open Jam amp Size Error Status Message Paper Size Error Paper Size Error Input Jam Paper Input Jam Feed Jam Paper Feed Jam Exit Jam Recoverable Alarm Status Paper Exit Jam Message Page Buffer Overflow Page Buffer Overflow Macro Buffer Overflow Macro Buffer Overflow DLL Buffer Overflow DLL Buffer Overflow Receive Buffer Overflow Receive Buffer Overflow Send Buffer Overflow S
10. Yes Is fuse F3 on the power supply board open No Replace the power supply board Yes Replace fuse F3 if it blows again check the resistance of the registration and drum motors see 7 3 If the resistance is wrong replace motors or replace the power supply board or Main Control PCB YNo Is the AC input voltage output between pins 1 and 2 of connector CN1 on the power supply board normal Yes Replace the AC transformer YNo Is fuse F1 or F2 on the power supply board open No Replace the power supply board v T E Yes Replace open fuse F1 or F2 if is opens again replace the power supply board Power supply board AC CN1 CN2 CN3 F2 4 Thermal Fuse F3 kp lt N 30V 430 V 17 118 1 2 Smoothing IT Filter Gircuit 5y 1112 Circuit A y psv 11 5 V 3 4 Stabilizing 0V_9J5 16 Circuit Fuse Ratings By 94 PA 8 AC Input 6 8 Rectifying en 120 V 230 V Smooting FI 125V 63A 250V 5A ve Cogli e F2 125V 16A AC Transformer F3 125V2 5A 250V 2 5A Figure 6 1 Low voltage Power Supply Block Diagram JAM error 1 Paper input jam Y Yes Replace the Main Control PCB Does the JAM error occur when the power is turned on Yes Is the paper at the inlet sensor
11. Yes Remove the paper Y No Is the operation of the inlet sensor lever normal moves freely when touched No Replace the inlet sensor lever Y Yes Clean the inlet sensor on the power supply board or replace the power supply board Y No Does the JAM alarm occur after paper feeding Yes Is the paper fed to the inlet sensor lever Yes Is the operation of the input sensor lever normal moves freely when touched No Replace the inlet sensor lever Yes Clean the inlet sensor on the power supply board or replace the power supply board Y No Replace the hopping roller rubber or separator assy Y No Is the hopping roller rotating Yes Set the paper tray properly Y No Is the registration motor rotating Yes Replace the one way clutch gear of the hopping roller assembly Y No Is connector CN3 on the control board being connected properly pe No Connect connector CN3 properly 7 Y Yes Is the coil resistance normal resistance about SE 18 6 Q of the registration motor normal see 7 3 No Replace the registration motor Transfer roller Paper sensor go Inlet sensor 1 A Paper Toner Inlet end sensor Registration roller Sensor sensor Hopping roller Paper running direction gt JAM error 2 2 Paper feed jam Does the paper feed jam occur whe
12. 1 Before starting the parts replacement remove the AC power cord and interface cable a Remove the AC power cord in the following sequence i Turn off o the power switch of the printer ii Disconnect the AC inlet plug of the AC power cord from the AC receptacle iii Disconnect the AC power cord and interface cable from the printer b Reconnect the printer in the following sequence i Connect the AC power cord and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on I the power switch of the printer 2 Do not try to disassemble as long as the printer is operating normally 3 Do not remove parts which do not need to be touched try to keep the disassembly to a minimum 4 Use specified service tools 5 When disassembling follow the procedure in sequence laid out in this manual Parts may be damaged if these sequences are not followed 6 Since screws collars and other small parts are likely to be lost they should temporarily be attached to the original positions during disassembly 7 When handling IC s such as microprocessors ROM s and RAM s or circuit boards do not wear gloves that are likely to generate static electricity 8 Do not place printed circuit boards directly on the equipment or floor Service Tools The tools required for field replacement of printed circuit boards and units are listed in Table 3 1 Table 3 1 Service Tools Ser
13. 750 Image drum surface potential 100 0 gt gt gt Charged part Part Charged irradiated part by LED 4 Developing Toner is attracted to the electrostatic latent image on the image drum surface converting it into a visible toner image Developing takes place through the contact between the image drum and the developing roller D As the toner supply roller rotates while rubbing on the developing roller a friction charge is generated between the developing roller and the toner allowing the toner to be attracted to the developing roller the developing roller surface is charged positive and the toner negative Doctor blade Charge roller Toner supply roller i Developing roller Image drum The toner attracted to the developing roller is scraped off by the doctor blade forming a thin coat of toner on the developing roller surface Toneris attracted to the exposed portion low potential part of the image drum at the contact of the image drum and the developing roller making the electrostatic latent image visible 300V TITTI Developing roller O Toner 750V 100V 750V 750V Image drum sn Exposed Exposed part part 100V An illustration of activities at the contact point of the image drum surface and the developing roller arrow marks denote the direction of the el
14. PX14 connector 224A1286P0140 8 2 OKIPAGE 6ex Table 8 2 Upper cover unit Name Rating Part No Remarks Upper cover Assy 3PA4128 1170G1 2PA4094 7812G4 Upper cover 2PP4083 6808G1 Upper cover 2PP4083 6808G2 Stacker 1PP4094 7814P1 Stacker clamp 3PP4094 7816P1 Guide wire 4PB3517 1567P1 Leaf spring 3PP3517 1601P1 Lens cover 2PP4128 1171P1 Lens frame 3PP4128 1172P1 Cover panel 40227401 Cover panel 40227402 OP panel assy 40111701 OP panel assy 40111702 ODA OEL INT ODA OEL INT Figure 8 3 Base unit Name Rating Table 8 3 Base unit Part No Remarks Base plate 2PP4083 6809G1 Cassette guide L 3PP4083 6802G1 Cassette guide R 3PP4083 6803G1 Cassette eject spring 4PP4083 6152P1 Sensor plate paper end Insulator 4PP4083 6082P1 3PB4083 6144P1 Control board 40227002 L5C ODA OEL 40131203 L6A 40423102 L5D INT Power supply board Power supply board Transformer 4YA4049 7101G1 120V 4YA4049 7101G2 4YB4049 7032P3 230V Transformer 4YB4049 7033P3 Fan motor 4PB4076 6152P1 Contact assy 3PA4083 6090G1 Cassette sensor plate 3PP4083 6154P1 Paper cassette 4YA4083 6260G2 ODA Option Paper cassette 4YA4083 6260G3 OEL INT Option Support spring 4PP4083 6153P1
15. Shift the roller A to the right lift it on its left side and slide it out the bearing 3 also comes off while you are doing this so be careful not to lose it R R R R Roller B 4 1 4 2 TROUBLESHOOTING Precautions Prior to the Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred Preparations for the Troubleshooting 1 Display on the operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD ODA OKIDATA OKIPAGE 6ex PAGE PRINTER MENU 1 ENTER Menu 2 Recover Power Save TRAY TYPE FORM FEED PAPER SIZE ON LINE Print Menu Press 2 seconds Print Fonts Print Demo OKIDATA OKIPAGE 6e PAGE PRINTER OEL INT OKI OKIPAGE 6ex LED PERSONAL PAGE PRINTER MENU 1 El Be ENTER Ex PAPER SIZE TRAY TYPE FORM FEED ES Print Menu Print Fonts Print Demo Press 2 seconds OKI OKIPAGE 6e LED PERSONAL PAGE PRINTER Status message display Ready LED display EN off ON gt lt BLINKING Undefined 4 3 Troubleshooting Method
16. 15 96 15 Peak Approx 420W Typical operation Approx 160W Idle Approx 55W Power save mode Approx 15W During operation 50 to 90 F 10 to 32 C In storage 14 to 110 F 10 to 43 C During operation 48 dB A or less Standby 38 dB A or less Toner cartridge kit 2 000 5 duty Image drum cartridge 20 000 at continuous printing 15 000 3 pages job 10 000 1 page job 1 5 Safety Standards 1 5 4 Certification Label The safety certification label is affixed to the printer at the location described below OKIPAGE 6e OKIPAGE 6ex OKIDAIA Division of OKI AMERICA Inc Model No ENZ750A OKIDATA Division of OKI AMERICA Ine Model No EN27404 a deng 50 60Hz FCC ID B2KEN2750A device complica with Fart L5 of the POC sul te the loleving FCC iD B2KEN2760A This device complica with Part 15 of ihe POC on la subject im the following ag sg ara 120V Imerferetce and Goin device laclediag OKIPAGE 6e OKIPAGE 6ex OKIDATA OKIDATA Division el OKT America Inc Dividen el OKI America lnc Medel Na ENZ E TOVA Sohle 2A This device complice with Part 13 of the FCC pp ho the beleen SE me 230V bei nay bie errore d lerhesing md thal geng over vadesired 15 2 Warning Label The warning labels are affixed to the sections which may cause bodily injury Follow the instructions on warning labels during maintenance CAUTION HOT ATTENTION CHAUDE VORSICHT HEIB ATENCION A
17. Open Collector 10 Timing charts a Data receiving timing Compatible mode PARALLEL DATA y DATA BITs 1 to 8 f 0 5 us min gt je 0 5 us min J 0 5 us min 0 5 us min DATA STROBE 0 5 us max BUSY 0 min 0 min ACKNOWLEDGE 0 5 us to 10 us me 0 min b Data Receiving Timing Burst Mode PARALLEL DATA x x X DATA STROBE 1 us min ja gt Fe 1 us min c Data Sending Timing Nibble Mode ACKNOWLEDGE BUSY LLLA DATA bit 7X DNA KZ FAULT MMX DATA dito KIK DAD LL SELECT IN MX ONA KIK DATA it KZZ PAPER END LX DATA bit KIK NAb KU d On line gt off line switching timing by ON LINE SW HP4 emulation ON LINE SW o BUSY SELECT 50 ms max e Off line gt on line switching timing by ON LINE SW HP4 emulation ON LINE SW BUSY SELECT me 0 min ACKNOWLEDGE 100 ms max 0 5 us to 10 us f INPUT PRIME timing when set to the effective INPUT PRIME signal 50 us min INPUT PRIME BUSY SELECT 4 5 us max 0 min ACKNOWLEDGE 5 us max 0 5 us to 10 ms 11 Interface Parameter Setting OKIPAGE 6ex The following settings are possible by pressing contents of the LCD of the operator panel by using and keys key after selecting the display Settings are retained even when the printer power is turned off B
18. a Head type setting e Setthe type of the LED head 300 1W or 300 2W or 600 4W Head drive time setting Sets the drive time of the LED head Head width setting Sets the width of the LED head 39 chips or 40 chips Head type e Only for the 600dpi head the adjustment method for the adjustment head is set Strobe time Only for the OKIPAGE 6ex 600dpi head the percentage of the strobe time for 600 1200dpi to the strobe time of 600 600dpi is set Transfer current setting Set transfer current value according to humidity and medium status for optimum printing result Printing start position setting Sets the printing start position Do not change the default setting Drum count total display Displays on the LCD the total number of drum revolution of the unit counted at the engine block Drum count display Displays on the LCD the total number of EP drum revolutions counted at the engine block Standard tray paper feed setting Do no change its default setting since this is a factory setting and were set at the factory Second tray paper feed setting Do no change its default setting since this is a factory setting and were set at the factory Second tray download table selection Do not change its default setting since this is a factory setting and were set at the factory Multi purpose feeder setting Do not change its default setting since this is a factory setting and were set at the fa
19. bearing A then remove the hopping roller assy and the bearing B x TEN V 5 AS NA I a a E d Y AIR AE V Co RE X I pis VEE oS 15 3 3 10 Stacker Cover Assy 1 Remove the upper cover see 3 3 1 2 Remove the motor assy see 3 3 8 3 Remove the reset lever R 4 Detach the reset spring from the lower base unit 3 turn the reset level L in the direction of the arrow A until it stops and remove it in the direction of the arrow B 5 Release two pins of the lower base unit 3 then remove the stacker cover assy 16 3 83 11 Registration Roller 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Remove the motor assy see 3 3 8 4 With the lower base unit standing on its side view A remove the one way clutch gear 5 Press the registration roller to the right side in the direction of the arrow as shown and lift up the left side Remove the registration roller and the bearing registration 9 3 3 12 Transfer Roller With the power switch turned off unplug the AC power cord from the outlet Open the stacker cover Release TR gear by unlocking the latch ofthe main unit never apply an excessive force when unlocking the latch Lift the right side of the transfer roller and shift it to the right side then pull it out from the main unit at th
20. key 0mm 0mm 1mm Press the Menu key inm 1 mm Press the T2 TBL or key No 1 No 3 o 2 Press the is Menu key Press the EF POS Or key 0mm 0mm 1mm Press the i 7 Menu key x 8 i 4 mm Press the EF TBL 1 OF key No 1 No 3 gt NO 2 Press the Naso Menu key WT TBL NO 1 NO 1 gt N0 2 ENGINE on EP TEST Or key TEST y OFF Press the Press the Menu key Menu key PRT DUTY 1 1 Press the Menu key Press the Enter key of processing ENGINE de ENGINE c e RESET RESET NG Press the Menu key OFF Do not operate the PAPER ENGINE TEST The CONNECT function is exclusively designed for factory test purpose 1 1 1 10 1 20 1 50 ON LINE T ON LINE HP4 Adobe PS OL610e only OL610e PS only 1 4 Factory User Setting Operation e Switching of ODA OEL and OKI INT users settings is possible with the factory user setting operation The user factory user setting operation is carried out by turning the power ON while keeping both the Menu key and the NEXT or LAST key pressed down 1 Factory ODA Setting Operation Turn the power ON while keeping the Menu key and NEXT key press down 2 Factory OEL Setting Operation Turn the power ON while keeping the Menu key and LAST key pressed down 3 When the INTA menu key and the PAPER SIZE key are pressed atthe same time the power is turned on 4 When the INTL menu key and the TRAY TYPE key are pre
21. see 3 3 20 Remove the power supply board see 3 3 21 Remove the screw 1 and remove the cassette guide L by shifting itin the direction of the arrow Detach the eject spring and remove the support spring from the cassette guide L 3 29 3 3 24 Cassette Guide R Remove the paper cassette Remove the upper cover see 3 3 1 Remove the lower base unit see 3 3 7 Remove the Main Control PCB see 3 3 20 Remove the screw 1 and remove the cassette guide R by shifting it in the direction of the arrow Pull the eject spring amp out of the cassette guide R then remove the support spring 4 ADJUSTMENT 4 1 4 1 1 ADJUSTMENT Adjustment OKIPAGE 6e This chapter describes the adjustment necessary when replacing apart The adjustment is made by changing the parameter value set in EEPROM on the Main Control PCB by means of a printer driver or by a maintenance utility program The maintenance utility is designed to be used only by field engineer and it should notbe released to the end users Maintenance Functions Printer driver Printer driver has following functions Drum counter reset Printer menu default Charge roller cleaning Figure 4 1 a Drum counter reset For initializing engine counter when user has replaced an Image drum unit The counter is reset by clicking Drum Count Reset button b Printer menu default For resetting the printer menu to the defa
22. A4 or larger or smaller than A4 The detected paper size differs from the paper size set by command or menu The paper size check for manual feeding finds that the paper size is free size Drum motor T 3 ar EN Registration motor i Paper Paper NL N Hopping feed GE d Paper end sensor N E 3 i E 7 T umm TE Checking far E ail 1 1 1 1 I 1 1 Inlet sensor paper form NEC i Paper size check i d Paper sensor y paper width pum ap Outlet sensor NEN i d Lo Jam Monitor Monitoring Monitoring Monitoring ME NE Top to top input jam paperfeedjam paper feed jam E Paper size check Top to bottom Paper length Monitoring Top to bottom i i i i i paper exit jam 1 1 i 1 r T T gt 1 1 1 1 1 1 Monitoring 1 1 Bottom to bottom B M i i i i i y feed jam i Paper Feed Timing Chart Paper Feed Check List Type of error Monitor Standard value Hopping start to Paper feed error Inlet sensor on Inlet sensor on Paper feed jam to Write sensor on Write sensor on Paper feed jam to Outlet sensor on Inlet sensor on Paper size error to Depends on the paper length Inlet sensor off Outlet sensor on Paper exit jam to Depends on the paper length Outlet sensor off Inlet sensor off Paper feed jam to Write sensor off Note H
23. CN8 Pin Assignment Centro Parallel Signal Description Description 1 19 STROBE N Strobe C SG Ground 2 20 2 C DATA1 P Data bit 0 C SG Ground 3 21 3 C DATA2 P Data bit 1 C SG Ground 4 22 4 C DATA3 P Data bit 2 C SG Ground 5 23 5 C DATA4 P Data bit 3 C SG Ground 6 24 6 C DATA5 P Data bit 4 C SG Ground 7 25 7 C DATA6 P Data bit 5 C SG Ground 8 26 8 C DATA7 P Data bit 6 C SG Ground 9 27 9 C DATA8 P Data bit 7 C SG Ground 10 28 10 0 ACK N Acknowledge C SG Ground 11 29 11 0 BUSY P Busy C SG Ground 12 30 12 0 PE P paper end C SG Ground 13 31 13 0 SEL P Select IPRIME N Input prime 14 32 14 AUTOFEED N Auto feed FAULT N Fault 15 33 15 NC SG Ground 16 34 16 SG Ground NC 17 35 17 FG HILEVEL Always kept high 18 36 18 P LOGIC H 5V power supply SELIN N Select in CN11 Pin Assignment To Option board and PS board Description 1 0 Signal Description 01 41 8V 8V power supply G OV Logic ground 02 42 ov Logic ground G OV Logic ground 03 43 ov Logic ground G SSTXD P EEPROM data 04 44 NC O EEPRMCLK P EEPROM clock 05 45 NC O EEPRMCS1 P EEPROM select 06 46 ov Logic ground O 45V 5V power supply 07 47 ov Logic ground INT2 N Interrupt request 2 08 48 INT1 N Interrupt request 1 O IOS1 N 1 0 select 1 09 49 10
24. LED lens array 2 Throw the cleaner away 6 TROUBLESHOOTING PROCEDURES 6 1 6 2 6 3 TROUBLESHOOTING PROCEDURES Troubleshooting Tips 1 Check the basic check points covered in the user s manual 2 Gather as much information about the problem from the customer as possible 3 Inspectthe equipmentunderthe conditions close to those in which the problem had occurred Check Points before Correcting Image Problems 1 Is the printer being used in proper ambient conditions 2 Are supplies toner and routine replacement parts image drum unit being replaced properly 3 Does the paper being used meet specifications 4 ls the image drum unit being loaded properly Tips for Correcting Image Problems 1 Do not touch or bring foreign matter into contact with the surface of the image drum 2 Do not expose the image drum to direct sunlight 3 Keep hands away from the fuser unit as it heats up during operation 4 Do not expose the image drum to light for longer than 5 minutes at room temperature 6 4 Preparation for Troubleshooting 1 PC display OKIPAGE 66 The failure status of the printer is displayed by the display of the PC Take proper corrective action as directed by messages which are being displayed on the display of the PC There are 4 types of LED display status On Normal blinking Fast blinking and Off Type Function Remarks On On line Ready Warming up Normal blinking Data r
25. Normal operation Print Overrun Error The printer overrun because the print data is too complicated to be printed Daily status Ready Warming Up Initializing Ready The printer is warming up Message displayed to indicate that the controller is undergoing an initialization when the power is turned on The printer is the on line mode Ready Power Saving The printer is in the power saving mode Printing Demo The printer is printing a demo page Printing Menu The printer is printing a menu page Printing Fonts The printer is printing a font page Printing The printer is printing a page Ejecting The printer is ejecting a page Category PC display status message Table 6 1 Cont d Trouble or status Daily status Manual Paper In There is a paper on the manual tray Reset The data which remained unprinted in the buffer is deleted and the printer is initialized to user default settings The temporary DLLs and macro are deleted Ready Toner Low Ready Toner Sensor Problem Toner is running out Normal operation can be continued Replace the toner cartridge Toner Sense A fault occurred in the toner sensor Normal operation can be continued Replace the power supply board Ready Change Drum Unit Image drum is running out Normal operation can be continued 6 10 Replace the image drum unit After repl
26. Setting completed b RS422 UE parameter setting OFF LINE Adobe PS Ready 0 MENU 1 Menu 2 Keep key down for more than 2 seconds and bring the printer into menu setting mode level 2 MENU 1 Next press key 8 times may iRS422 Pr ENTER QSS PowerSave BAUDRATE k E Selection Function Ready c 300 300 baud 600 600 baud 1200 1200 baud 2400 2400 baud 4800 4800 baud 9600 9600 baud 19200 19200 baud 38400 38400 baud Factory Setting 9600 baud MENU 1 Press vam Key Item DATABITS Ready Selection Functian 8 BITS 8 bit length 7 BITS 7 bit length Factory Setting 8 bit MENU 1 Press mara Key ltem PARITY pR S Selection Function Ready O i NONE No parity EVEN Even parity ODD Odd parity Factory Setting No parity Press INE key AU ready ON LINE Z Setting completed ne Adobe PS Appendix C DIAGNOSTICS TEST 1 Maintenance Modes e The maintenance modes consist of the user maintenance mode opened to the user and the system and engine maintenance modes for service personnel level e Press the Menu key to update each category The operation returns to the first category after updating the last category Press the Enter key to select and or
27. Thermostat Between pins 1 and 2 120V 30 240V 100 e Between pins 3 and 4 220KQ EE TS at room temperature RNA Circuit Diagram Illustration Resistance Transformer White Yellow 3 5 20 Black Black o6 Primary side Secondary side Primary side Between pins 1 and 2 56 80 OEL 14 80 ODA Secondary side Between pins 1 and 3 1 30 Between pins 5 and 6 1 20 7 4 Short Plug Setting 1 Main Control Board e OKIPAGE Ge L5C PCB e OKIPAGE 6ex L6A PCB L6A Ne NI e Short plug settings Short plug Plug setting Description Factory setting SP2 5 V is supplied to pin 18 of Centronics parallel I F connector High level is supplied to pin 18 Centronics parallel I F connector 2 Option RAM Board LQME PCB SIMM specification Usable RAM capacity 1 2 4 8 16 32 Mbytes Access time 60 100 ns Short Plug Setting Printer Remarks See remark for SIMM capacity limitation Relation between the capacity of added SIMM and total effective RAM capacity is shown in table below OKIPAGE 6e OKIPAGE 6ex SIMM Capacity Total Capacity SIMM Capacity Total Capacity Nil 2 Mbytes Nil 3 Mbytes 1 Mbyte 3 Mbytes 1 Mbyte 4 Mbytes 2 Mbytes 3 5 Mbytes 2 Mbytes 5 Mbytes 4 Mbytes 6 Mbytes 4 Mbytes 7 Mbytes 8 Mbyte
28. When a problem occurs go through the troubleshooting according to the following procedure Problem occurs Problem displayed by Troubleshooting Carry out detailed the message according to the troubleshooting Status Message List according to the see 4 3 1 Troubleshooting Flow see 4 3 1 4 3 1 LCD Status Message List The listing of the statuses and problems displayed in the form of messages on the LCD or PC display is provided in Table 4 1 Classification Jam error LCD Status Message and PC Display Printer LCD Status Message FEED PAPER INPUT JAM or FEEDER FEED JAM lt PC Display Status Message gt Paper Input Jam Paper Feed Jam Description Notifies of occur rence of jam while the paper is being fed from Multi Pur pose Feeder Recovery Method Check the paper in the Multi Purpose Feeder Carry outthe recovery print ing by opening and closing the cover and turn the er ror display off When the problem occurs frequently to through the Troubleshooting Paper size error Printer LCD Status Message FEEDER SIZE ERR PC Display Status Message Paper Size Error Notifies of incorrect size paper feeding from Multi Purpose Feeder Check the paper in the Multi purpose Feeder Also check to see if there was a feeding of multiple sheets Carry outthe recovery print ing by opening and closing the cover and
29. and OKIPAGE 6ex The operator panel is used for operation and status display of OKIPAGE 6ex The OKIPAGE Ge and OKIPAGE 6ex receive data via the host I F these then decode edit and store the data in memory Bit map image data is successively transferred to the LED head in one dot line units OKIPAGE 6e block diagram is shown in Figure 2 1 OKIPAGE 6ex block diagram is shown in Figure 2 2 1MB Memory Board Option gt dere For optional ip J RAM board Resident RAM 1M x 16 DRAM 2M Bytes l Program amp Font C l i ROM gt Resident RAM i AMB Mask ROM 256k x 16 DRAM x 2 High Capacity i 18 bits 1M Bytes gt Second Paper I DATA Feeder Option I BUS i EEPROM gt lt I I Centronics i CREDE _ gt l parallel I F Drum motor amp i rum Motor Registration motor drive circuit gt lt 7407 i I I 1 Chip CPU l gt FAN Driver Ie m I i e FAN ALM I e LED Head i CH TR DB I I lt lt l I gt HEAT ON I d i 48V 8V OV 5V 30V l gr A AAA i circuit 7 l I PES Lo sas Ss edes cines en T Thermistor i Power Supply LSI Board Cover Y 45V Inlet sensor 1 Kol gt Charge roller m oe gt t I i i Inlet sensor 2 i gt Transfer roller ow voltage generation circuit High voltage generation l circuit gt peve opi
30. back side Align the stacker cover Q against the diagonal line of the square holes of the upper cover and lift up the upper cover slightly then remove it Note When removing or installing the upper cover be careful not to damage the cable 9 3 3 3 LED Head 1 Open the stacker cover 2 Remove the flexible cable LED from the PC connector of the LED head e 3 Remove the LED head by prying the left side free from the retaining clip Note Be careful to not lose the contact LED 2 Note Be sure not to directly touch or push the SLA part of the LED head After mounting the new LED head set drive time of the LED head according to the marking on the LED head see 4 3 1 or 4 3 2 Forthe installation of the flexible cable LED install the PC connector to the flexible cable LED first then connect the LED head to the PC connector e When installing a new LED head be careful not to lose the contact LED 4 OKIPAGE 6e Eject Roller Assy 3 3 4 1 Remove the upper cover see 3 3 1 2 Press the clamp on the left side of the eject roller assy in the direction of the arrow Detach the eject roller assy from the lower base unit 2 and remove it Note When installing the eject roller verify the proper engagement with the main unit 10 3 3 5 Pulse Motor Main 1 Remove the upper cover see 3 3 1 2 Remove the connector 3 from CN2 2 of the Main Contr
31. ciat kr aa 3 11 3 3 6 Pulse Motor Registration n 3 12 3 3 7 Lower Base Unit aaa 3 13 3 3 8 MOOT ASS Y e E E 3 14 3 3 9 Hopping ere 3 15 3 3 10 Stacker Cover Assy i 3 16 3 3 11 Registration Roller uicit ads Ere et re ee ii 3 17 3812 Transfer Roller ala 3 18 33 18 Fusng Ynt EE 3 19 33 14 Backup Roller nennen 3 20 9 9 15 Sensor Plate Inlet reta ertet een 3 21 3 3 16 Toner Sensor Adhesion nn 3 22 8 3 17 Sensor Plate Outlet u 3 23 3 3 18 Manual Feed Guide Assy nn 3 24 3 3 19 Sensor Plate Paper Supply ii 3 25 3 3 20 Main Control BCH nen 3 26 3 3 21 Power Supply Board and Contact Assy nenn 3 27 gt gt gt gt gt 3 3 22 Bel Ee EE 3 28 3 3 23 Cassette Guilde L ce tis ene t cerato le dci 3 29 9 9 24 Cassette Guide Ri 3 30 4 ADJUSTMENT une 4 1 4 1 JAUJOSHTIGEI unseren 4 1 4 1 1 Maintenance Functions ii 4 1 TS nenne 4 10 4 2 1 Maintenance Modes and Functions i 4 10 4 3 Adjustment When Replacing a Part 4 12 4 3 1 Adjustment at the Time of Part Replacement OKIPAGE6e 300dpi LED head conca 4 12 4 3 2 Adjustment When Replacing a Part OKIPAGE6ex 600dpi LED head 4 14 4 3 3 Uploading Downloading EEPROM data 4 17 5 PERIODICAL MAINTENANCE rnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnen 5 1 5 1 Periodical Replacement Parts cesan ee 5 1 Be VE least 5 1 5 2 1 Cleaning of
32. heck to see if more than one sheet of paper were being fed simultaneously Set the designated paper in the tray Open the cover then close it to carry out recovery printing and release the error display If this error occurs frequently see 6 5 2 3 Category Tray paper out PC display status message Trays Paper Out Table 6 1 Cont d Trouble or status The tray being displayed has run out of paper Tray Standard Tray Second Tray Multipurpose Feeder Executive Letter Legal14 Legal13 A4 A5 A6 B5 Monarch COM 10 COM 9 DL C5 Remedy Load paper in the tray Size errors Tray Paper Request Loading of paper indicated by the second line message to the first line s tray is requested Tray Standard Tray Second Tray Multipurpose Feeder Manual Executive Letter Legal14 Legal13 A4 A5 A6 B5 Monarch COM 10 COM 9 DL C5 Load the requested paper in the tray Buffer overflow Receive Buffer Overflow The receive buffer is overflowing Page Buffer Overflow The page buffer is overflowing because it received too much data for printing on the page DLL Buffer Overflow The DLL buffer is overflowing Macro Buffer Overflow Macro buffer is overflowing Category PC display status message Table 6 1 Cont d Trouble or status Remedy Buffer overflow Send Buffer Overflow The send buffer is overflowing
33. mode turn the POWER switch on while holding the MENU key down Function There are following five functions Hex dump Drum counter reset Menu reset Operator panel menu disable e X adjust Y adjust Detailed descriptions of these functions are provided in Appendix C DIAGNOSTICS TEST System Maintenance Mode Note This mode is used only by service persons and it should not be released to the end users To enter into the system maintenance mode turn the POWER switch on while holding the RECOVER key down Function There are following five functions Page count display Page count printing enable disable EEPROM reset Rolling ASCII continuous printing HIPER W ENABLE DISABLE SIDM ENABLE DISABLE Detailed descriptions of these functions are provided in Appendix C DIAGNOSTICS TEST Engine Maintenance Mode Note This mode is used only by service persons and it should not be released to the end users To enter into the engine maintenance mode turn the POWER switch on while holding the FORM FEED and ENTER keys down Function There are following functions Head drive time setting Printing start position setting Drum count display LED head width setting Transfer current setting Setting of strobe time Selection of standby temperature Engine test Drum count total display Engine reset Factory adjustment LED head type setting Adjustment method for adjustment head Optical LED
34. mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time if the luminous rating of the old LED head and new the LED head are different see 4 2 No Replace the Main Control PCB or power supply board 4 Black vertical belts or stripes Replace the image drum unit Has the problem been removed Yes End Note After replacing the image drum unit set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see User s Manual Y No Replace the LED head Has the problem been removed Yes End Note After replacing the LED head set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time if the luminous rating of the old LED head and the new LED head are different see 4 2 Y No Replace the Main Control PCB or power supply board 5 Cydlic error Frequency Remedy Image drum 3 71 94 2 mm Replace or clean the image drum unit Developing roller 1 66 44 4 mm Replace the image drum unit Toner supply roller 2 27 57 8 mm Replace the image drum unit Charging roller 1 56 39 6 mm Replace the image drum unit Cleaning roller 1 24 31 4 mm Replace the image drum unit Transfer roller 2 01 51 0 mm Replace the transfer roller Heat roller 2 47 62 8 mm Replace the fusing unit assy Ba
35. ncm uno Addng uno 93 abeo A mo 134114 ne 7 CTI A0 wou 89d H310 ld 2 Kddns pieog Josuas Ajddng Jamog Ee mou 8 abeyoN A0 AO gt JOSU9S Jaded Duiuea u Iu Ast LI Josuas J8U0 d ul WEED F lt josie pug 19ded MS vado 19109 ENI Tess sn Joo X JOSUAS 19ju Ajddns Jauo e 191 04 Duidoje eq Zlolslelaleelslslclek lol lolo Esa wnig abeu J8 104 J8JSUEIL elle 9 Ee GI ESA pe sno 4 1 4apaa4 uondo EE se eee E tae es FS Sls alas fetta dd feo e loe foo ro a X 7 Ve O O T O O Ve K Ind ZNO i peaH IND Em oo WEN PN WO uereg Y d cHdW OND EI o 05110 981 89 39VdPIO IC NFIHANO pyeog 101 U09 101014 WQ ute LU ln y ZHAO lt AES o DATAN x LINO ON JOJOJN u reuisi6ay d L L A 89 39YdIMO pueog NVH jeuondo 4 1 9118184 91U011U3J 7 JQULIOJSULI A LINZ 8N9 x89 39vdIMO P eog INYY jeuondo 9 eJed saluoJjua X89 39vdIM0 pueog 1duos1sog euondo RES 9 JOJO N UONEANSI OY EE SES 1 VET A0SZ VSLE asee o H UON vor AS cd VG MIGG AOE NOZE Assy i Dune asny PAN mmi 7 Jeep OL 19 89H i En i I ov NI amp dd NOLV3H de MSI jeisounau i i l N 1015101794 i j ide AN Addne ynoJi9
36. on the first line PR BUSY OKIPAGEGex in PS mode Post Script mode only This message is displayed when ON LINE key is pressed when the printer is processing the job if the JOB RESET menu is OFF The printer will go off line after completing the job Normal operation Table 6 2 Cont d Category LCD status message Trouble or status Remedy Daily status RESET Post Script mode only Press ON LINE key again EN Lee The printer goes back to on line This message is displayed when mode and continues processing ON LINE key is pressed while the the job printer is processing the job if the JOB RESET menu is ON Press RESET key The job is cancelled OKIPAGE6ex in PS mode Even while this message is being displayed the printer continues to process processing the job normally FLUSHING Post Script mode only Normal operation This message is displayed during OKIPAGE6ex in PS mode cancelling of a job The message goes off when the job cancellation is completed PR BUSY The data which remained unprinted un pue in the buffer is deleted and the printer for OKIPAGE6ex in is initialized to user default settings HP 4 mode The temporary DLLs and macros are deleted Category LCD status message Table 6 2 Cont d Trouble or status Remedy Daily status RESET TO SAVE for OKIPAGE6ex in HP 4 mode
37. sr N co xr Lo co r co o Oo TON co xr ro co r co o e a Ns zz zz I zog ze miojalO AS moja a AIDI gt Q ann gt Q LE utaa a mL leall OOOO gt MI S O cic alalala gt m gt ol ua O O C 0 O 0 ICH O O C 0C 0 O u ji To Printer To Multi Purpose Feeder 5 2 PCB Layout OLEV 12 PCB IN s NY CN2 CN 6 PARTS LIST Figure 6 1 High Capacity Second Paper Feeder Description Table 6 1 High Capacity Paper Feeder Oki J Part No ODA Part No Remark Hopping roller shaft 3PP4083 6020P1 Same as the printer unit One way clutch gear 4PB4083 6024P1 51228901 Same as the printer unit Pulse motor 4PB4083 6075P1 56510701 OLEV 12 PCB 4YA4121 1014G12 55074812 Paper cassette 4YA4083 6270G2 50109910 Connection cord 3YS4011 3140P3 56631101 Hopping roller frame 1PP4083 5605P1 53345901 Bearing 4PP4083 6022P2 51607402 Same as the printer unit Hopping roller rubber 4PB4076 5447P1 OKI OKI Data Corporation 11 22 Shibaura 4 chome Minato ku Tokyo 108 Japan Tel 81 Japan 3 Tokyo 5445 6159 Fax 81 3 5445 6188 Printed in Japan
38. starts automatically upon completion of resetting 5 Operator Panel Menu Disable LCD display This function is for enabling and disabling of the operation panel menu functions Menu 1 Menu 2 Tray Select Copies and Paper Size USER MNT _ MENU RESET Press the Menu key Press the Menu key HEX DUMP Press the Menu key RESET DRUM CNT Press the Menu key OP MENU ENABLE Press the Menu key OL 610e Omm X ADJUST Press the Menu key Omm Y ADJUST Press the Menu key Press the Enter key Press the Enter key Press the Enter key Press the Or key Press the Or key Press the Or key MENU RESET NG ON LINE HEX DUMP DRUM CNT RESET NG OP MENU DISABLE X ADJUST 0 25mm Y ADJUST 0 25mm After the end of processing ON LINE ON LINE HP4 OT Adobe PS After the end of processing ON LINE ON LINE HP4 Or Adobe PS Writing into the EEPROM is carried out after pressing the Enter key then On line or Recover key Writing into the EEPROM is carried out after pressing the Enter key then On line or Recover key Range of Adjustment 2 00mm to 2 00mm 0 25mm steps Writing into the EEPROM is carried out after pressi
39. the operation of pulse motor which is driven by signals sent from the printer The main functions are Paper that can be used Paper Types Standard Paper Xerox 4200 20 Ib Special Paper OHP sheets for PPC label sheets PPC sheets Notguaranteed for OHP sheets with attachments on the edge or reverse side Cut Sheet Size Letter Executive A4 A5 B5 A6 Special Size Width 87 to 216mm Length 148 to 297mm Weight and Thickness e 16 Ib to 32 Ib 60 128 g m For Label and OHP Sheets Label sheets 0 1 to 0 15mm OHP sheets 0 08 to 0 11mm When using sheets which exceed 24 Ib make sure that the paper exits through the face up route 1 2 External View and Component Names Paper Feed Cover Front Cover Paper support Paper Guide L Roller B Figure 1 1 2 MECHANISM DESCRIPTION 2 1 General Mechanism The Multi Purpose Feeder feeds the paper into the printer by receiving the signal from the printer which drives the pulse motor inside the Multi Purpose Feeder and this motion is conveyed to rotate roller A and B The paper is delivered from the separator into the printer Once delivered into the printer the paper is then controlled and fed through by pulse motor Registration of the printer 2 2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time After the paper is set in the Multi Purpose Feeder the pulse motor moves the paper
40. the power off then back on 1 Is all M s message being displayed by the LCD display RN No Is the AC cable being connected properly No Connect the cable properly Yes Is 5 V being applied between pins 2 and 5 of CN5 on the Main Control PCB Pin2 OV Pin5 45V EN No Isthe connection between connector CN7 on the main control board and connector CN3 on the power supply board made properly No Correct the connection Yes Goto A Y ves Is 8 V being applied between pins 24 and 16 GND of connector CN7 No Goto Y Yes Is the flexible cable for the operator panel assy being connected to the connector CN5 on the Main Control PCB and the connector CN1 on the OLCC board properly No Connect the flexible cable properly Y Yes Replace the operator panel assy or flexible cable v Remedy No Replace the Main Control PCB Y ves End Y Yes Is Ene message being displayed by the LCD display No Replace the Main Control PCB Y ON LINE E Yes Is Adobe PS Message being displayed by the LCD display No Take actions following the LCD message list see 6 5 1 for correct v actions Yes Replace the Main Control PCB Y Remedy Yes End Y No v A YTake the measurement of the following voltages at connector CN2 on the power supply board Voltage between pins 1 and 3 about 28 V AC Voltage between pins 5 and 6 about 10 V AC Are the voltages normal
41. turn the er ror display off Tray paper out Printer LCD Status Message FEEDER PAPEROUT PC Display Status Message Multipurpose Feeder Paper Out Notifies of no paper state of the Multi Purpose Feeder Load the paper in Multi Purpose Feeder JAM error Paper Inlet Jam Does paper jam at the inlet when the power is turned on YES Isthe paper located above the sensor plate Inlet YES Remove the paper v NO Is the sensor plate Inlet operating normally NO Replace the sensor plate Inlet Yves Replace the power supply board or inlet sensor NO When the paper is fed in does the paper inlet jam occur YES Is the paper being fed to above sensor plate Inlet YES Is the sensor plate Inlet operating normally NO Replace the sensor plate Inlet e YES Clean the Inlet sensor on the power supply board or replace the power supply board or Inlet sensor Yno Replace the roller A or roller B NO Are the roller A and roller B rotating YES Set the paper properly NO Is the pulse motor turning YES Replace planet gear NO Is the connector cord being connected properly eNO Connect the connector cord properly Is is normal YES Check the coil resistance approx 329 of the pulse motor NO Replace the pulse motor YES Replace the OLEV 11 PCB 5 1 CONNECTION DIAGRAM Interconnection Diagram Stepping motor cd 2 M T3
42. 50 1300 V applied voltage 3 Exposure Light emitted by the LED head irradiates the image drum surface with a negative charge The surface potential of the irradiated portion of the image drum drops forming an electrostatic latent image associated with the image signal Charge roller LED head LED head Power supply Image drum Paper Image drum The image drum is coated with an underlayer UL a carrier generation layer CGL and carrier transfer layer CTL on aluminum base The organic photo conductor layer OPC comprising CTL and CGL is about 20 um thick Image drum CTL CGL UL Base The image roller surface is charged to about 750 V by the contact charge of the charge roller When the light from the LED head irradiates the image drum surface the light energy generates positive and negative carriers in the CGL The positive carriers are moved to the CTL by an electrical field acting on the image drum Likewise the negative carriers flow into the aluminum layer ground The positive carriers movedtothe CTL combine with the negative charges on the image drum surface accumulated by the contact charge of the charge roller lowering the potential on the image drum surface The resultant drop in the potential of the irradiated portion of the image drum surface forms an electrostatic latent image on it The irradiated portion of the image drum surface is kept to about 100 V Light v from LED
43. 6 bit I x I Program amp Font 32 bit I RO AAA Resident RAM I I 4MB Mask ROM 1M x 16 DRAM High Capacity pA 16 bit 2MB gt Second Paper I Feeder Option I EEPROM re ES I I Centronics i gt _ gt parallel I F Drum motor amp I gt Registration motor drive circuit gt lt 7407 I I 1 Chip CPU i m gt FAN Driver una Le FAN ALM I I i gt LED Head i CH TR DB I I I i gt HEAT ON i I I i i 8V 8V OV 5V 30V I I i Reset AAA I circuit lt p i I I Lissa cui 4 4 1 Thermistor i Power Supply gt LSI lt i Board Cover Y 45V Inlet sensor 1 SM I rem Charge roller P e oe gt l i Inlet sensor 2 gt Transfer roller I Low voltage i i o generation circuit High voltage eer Developping Ar gt I Paper sensor SI roller l I p I i Toner supply se I i roller i Outlet sensor i I i ee ng Cleaning I roller I Y I I Paper out sensor 4 l Heater drive I pena gt I 4 circuit i Heater I AC l I Toner ow sensor transformer Filter circuit Lg E AC IN I i l 5 I I I Figure 2 2 OKIPAGE 6ex Block Diagram 2 1 Control Board The control board consists of a single chip CPU Program amp Font ROM s one or two DRAMS an EEPROM a host interface circuit and a mechanism driving circuit 1 Single chip CPU The single chip CPU is a custom CPU 32 bit internal bus 1
44. 6 bit or 32 bit external bus 25 54 MHz clock with input frequency from a 12 27 MHz clock which incorporates the RISC CPU and its peripheral devices and has the following functions Built in device Function Chip select controller Bus controller DRAM controller DMA controller Control of ROM DRAM and 1 0 device Transfer of image data from DRAM to video output port Parallel interface controller Control of Centronics parallel interface Video output port LED STB output port Control of LED head Timer Generation of various control timing Monitoring of paper running and paper size Serial 1 0 port Control of operator panel EEPROM and options 1 0 port 2 Program 8 Font ROM OKIPAGE 6e 6ex Input and output of sensor and motor signals The Program Font ROM store the PCL5e emulation program and various types of fonts Mask ROM is used for a Program amp Font ROM The mounting location ofthis Program amp Font ROM varies depending on the type of ROM for the mounting location see 7 2 PS Board The Program 8 Font ROM store the PostScript program and various types of fonts Mask ROM is used for a Program amp Font ROM for the mounting location see 7 3 3 DRAM OKIPAGE 6e 6ex The DRAM is a resident memory OKIPAGE 6e 1MB L5C or 2MB L5D OKIPAGE 6ex 2MB used as a buffer and it stores edited data image data DLL data and macro data OKIPAGE 6ex with PS Board The DR
45. 60 dots Narrow 2496 dots F W default 4 Setting Display Full Setting Setting item Adjust transfer current intensity Setting range 1 0 1 F W default 0 b Optical head Display Optical Head Setting item Setting of mounting head type Setting range D 300 1W 300DPI D300 2W 300DPI adjustment D D 600 4W 600DPI F W default 6 Head type OKIPAGE 6ex Display D300 1W OKIPAGE 66 D600 4W OKIPAGE 6ex HEAD TYPE Setting item The adjustment method for the adjustment head for 600DPI is set Setting range TYPE1 TYPE 2D2 TYPE 2D4 F W default 7 Page count print Display TYPE 1 Page PRT Setting item Valid or invalid of page count print of menu print is set Setting range DISABLE ENABLE F W default 8 Wait table Display DISABLE Wait Table Setting item Setting range The standby temperature 150 C or 135 C is set Normal Low Level F W default Normal 2 2 9 Enter The values set at the time ofthe clicking of the Enter button is entered as a new setting value 10 Cancel The value set at the time of the clicking of the Cancel menu is cleared Engine Counter Group In the Engine Counter Group following items may be set 1 Drum Count It displays the number of drum revolution of the EP drum unit counted at the engine block 2 To
46. AM is a resident memory 2MB on the OKIPAGE 6ex main board plus 0 5MB on the PS board used as a buffer and it stores edited data image data DLL data and macro data In the Post Script emulation it is used as VM and font cache also EEPROM 1 024 bit Electrically Erasable PROM EEPROM is loaded with the following kinds of data e Menu data e Various counter data Page counter Drum counter e Adjusting parameters LED head drive time print start position paper feed length Parallel Interface Parallel data is received from the host system via parallel interface which conforms to the Centronics specification IEEE 1284 Bi directional parallel is supported 2 2 PS Board OKIPAGE 6ex option The PS board consists of two Program amp Font ROM s DRAM s an EEPROM and a hostinterface circuit 1 Program amp Font ROM s The Program amp Font ROMs store the PostScript Level Il program and its fonts Mask ROM is used for the Program amp Font ROMs 2 DRAM 0 5MB of DRAM s reside on the PS board 3 EEPROM 4 096 bit Electrically Erasable PROM EEPROM is mounted on the PS board for storing the PostScript s menu settings 4 Local Talk I F Apple Talk protocol data is received from the host system via LocalTalk interface The block diagram is shown in Figure 2 3 5 SIMM Socket One SIMM Socket is mounted on the PS board Program amp Font Resident RAM ROM 4MB Mask ROM gt
47. C D13 P Data bit 13 38 78 C D11 P Data bit 11 C D10 P Data bit 10 39 79 C D09 P Data bit 9 C DO8 P Data bit 8 40 80 NC C OV Logic ground PS Board OKIPAGE6ex CN1 Pin Assignment To LocalTalk RS422 Signal Description 5 8 NC 2 7 Not used 1 4 Transmit data 3 6 Signal ground Receive data Transmit data Receive data PS Board OKIPAGE6ex e CN2 Pin Assignment To Main Control PCB Description 1 0 Signal Description 41 01 8V 8V power input C OV Logic ground 42 02 Analog ground C OV Logic Ground 43 03 ov Logic ground SSTXD P EEPROM data 44 04 NC EEPRMCLK P EEPROM clock 45 05 NC EEPRMCS1 P EEPROM 1 select 46 06 C OV Logic ground 5V 5V power Input 47 07 C OV Logic ground O INT2 N Interrupt request 2 48 08 O INT1 N Interrupt request 1 10S1 N 1 0 select 1 49 09 I IOSO N 1 0 select 0 CS3 N ROM SRAM select 3 50 10 CS2 N ROM SRAM select 2 NC 51 11 NC NC 52 12 O DRDY N Data read CLRST N Cold reset 53 13 O SCSREQ P SCC receive request NC 54 14 O SCRREQ P SCC send request NC 55 15 A08 P Address bit 8 A07 P Address bit 7 56 16 A06 P Address bit 6 A05 P Address bit 5 57 17 A04 P Address bit 4 I A03 P Address bit 3 58 18 I A02 P Address bit 2 I A01 P Ad
48. Counter data from the memory on the PC and copy it to the EEPROM on the printer 4 Product set S Product ID of the printer is set Product which is available at present is only MDL Model Up to 32 alphanumeric characters can be inputted The corresponding type is the type supporting the ID down load command For an unsupported type no character can be inputted as light color display Printer name set The corresponding type is changed OKIPAGE amp ex or OKIPAGE amp e M DEL El Figure 4 4 2 6 Correspondence to non corresponding product ID printer When the ID of the printer is not corresponding a dialog for selecting the corresponding printer name is displayed When the printer name is set itis registered in the initialization file and processed as a corresponding printer also for the next and subsequent startup The following is a display example of a printer set dialog Oki Page Printer Engine Maintenance Product Set MEG OKI DATA CORP EMD Jaircnwinpows ope MDE OKI MICROLINE 4w CES PRINTER DES OKI MICROLINE 4w GD ine Printer Name Set OKIPAGE 4w M Figure 4 5 The following five types of printer names can be set OKIPAGE 4w OL400w or OL410e W OL600e or OL600e W OL610e or OL610e W OKIPAGE 4w Plus OKIPAGE 6ex or OKIPAGE 6e 2 7 Reload Button The same set
49. HEET RECOVER key to release the OVERFLOW error display for OKIPAGE 6ex in Change the setting of the host HP 4 mode or printer so the host can detect the busy status of the printer Resend the data from the host to the printer Replace the interface cable or control board PAGE BUF The page buffer is overflowing Press the operator panel OVERFLOW because it received too much data RECOVER key to release the for printing on the page error display Install additional optional RAM board or reduce the print data DLL BUFF The DLL buffer is overflowing Press the operator panel E OVERFLOW RECOVER key to release the error display Install additional optional RAM board or reduce the DLL data MACRO Macro buffer is overflowing Press the operator panel E ra RECOVER key to release the error display Install additional optional RAM board or reduce the macros The printer overrun because the Press the operator panel PRINT print data is too complicated to be RECOVER key to release the OVERRUN printed error display Simplify page data formatting for OKIPAGE 6ex in HP 4 mode for OKIPAGE 6ex in HP 4 mode for OKIPAGE 6ex in HP 4 mode 6 17 Category LCD status message Table 6 2 Cont d Trouble or status Remedy Daily status OFF LINE emulate The printer is in the off line mode The second line indi
50. L 54 abeyon MO 1914 no 1 1 noit e ho eg 804 H310 H Addng pieog Josuas Ajddns Jamod TEEN Joy abel oA A0 AO Josuas Jaded AG Duiuea yBIH Josuas Jauo 73 A e LN Qi udaka Y JOSUAG pu3 1edeg LN S ENTM H END KN Josuas 191NQ ello JOSUAS j9 U jddng 13u01 T T 7 Ce ep gt ve E GE Fiale Elab rielekla bla sis Saa EERE wng ew 8 1 04 J8JSUEI r I SS Tea EE O 4 1 19p894 uondo g zie dcn ec ze SSR SS PEPE ers c 00 E Co Si 99010 cl li a IND E A um et NAVN I d 000H 8 INO v NU Oo rot LOV3H MOd NV MR i qaaa S RICH BER N zHlsdH j an BIE OUI x V91 X89 J9VdIMO N IHdAG 8 pueog 0 11U09 gt 10104 LUNA EW UI eng FETE _N lt HdNY 9 cOVIH EES EI o I NEHANY x O 7 2 PCB Layout and Connector Signal List 1 Control Board OKIPAGE 6e L5C or L5D PCB OKIPAGE 6ex L6A PCB OKIPAGE Ge LED head OKIPAGE 6ex Operator panel Printer front side WS Contact face Printer front side TS d bi LED head 6 1 4 Contact face gt 14 1 Ki y fil OKIPAGE 6ex Printer front side 2 Power Supply Board D00000000000000000000 0000000000 00000000000 e CN1 Pin Assignment To Fan motor 1 0 Signal Description 1 FANPOW Power supply for fan driving Opening 2 OV Ground 3 FANALM N Fan alarm e CN2 Pin Assignment To Drum motor Signal Des
51. LED Lens Array cana n nn nana cc can nncnnnnnccn 5 1 6 TROUBLESHOOTING PROCEDURES eren 6 1 6 1 Troubleshooting ITS 6 1 6 2 Check Points before Correcting Image Problems 6 1 6 3 Tips for Correcting Image Problems i 6 1 6 4 Preparation Tor Troubleshooting ccce ie p t re ii 6 2 65 Troubleshooting FIOW Rem m t oo E 6 3 6 5 1 Status Message Trouble Uert 6 3 6 5 2 Status Message Troubleshooting nenn 6 24 6 5 3 Image Troubleshooting cnn nnnnnc nn narran 6 36 7 WIRING DIAGRAM ira 7 1 7 1 Interconnect Signal Diagram ae ne nn ne 7 1 7 2 PCB Layout and Connector Signal List ans 7 3 7 3 Re sist nce e nee 7 15 7 4 Shorn PRI El aars eee 7 17 B PARTS LIST une 8 1 Appendix A Centronics Parallel Interface A 1 B LocalTalk RS422 Serial Interface B 1 MOVIE id C 1 D Maintenance Utility Overview eese D 1 E Multi Purpose Feeder Maintenance E 1 F High Capacity Second Paper Feeder Maintenance F 1 1 CONFIGURATION CONFIGURATION System Configuration OKIPAGE 6e and OKIPAGE 6ex consist of control and engine blocks in the standard configura tion as shown in Figure 1 1 In addition the options marked with asterisk are
52. LTA TEMPERATURA ATENCAO ALTA TEMPERATURA 1 5 8 Warning Caution Marking The following warning and caution markings are made on the power supply board WARNING AVERTISSEMENT ADVERTENCIA um Tae HE lE HEAT SINK AND TRANSFORMER NCAUTION TESTBEFORETOUGHNG ATTENTION ATENCAO 5 CUIDADO CUIDADO ENGLISH Heatsink and transformer core present risk of electric shock Test before touching FRENCH Le dissipateur thermique et le noyau du transformateur pr amp sentent des risques de choc lectrique Testez avant de manipuler SPANISH Las disipadores de color el n cel del transformador pueden producir un choque el ctrico Compruebe antes de tocar PORTUGUESE O dissipador de calor e o n cleo do fransiormador apresentam risco de choque el trico Teste antes de focar ENGLISH Circuits maybe live after fuses open FRENCH Il se peut que les circuits soient sous tension une fois que les fusibles ont f rerir s SPANISH Las circuitos pueden estar activos una vez que se hayan abierio los fusibles PORTUGUESE Os circuitos podem estar energizados ap s os fusiveis se queimarem 2 OPERATION DESCRIPTION OPERATION DESCRIPTION OKIPAGE 6e OKIPAGE 6ex consists of a Main Control PCB a power supply sensor board a PostScript board OKIPAGE 6ex an operator panel and an electrophotographic process mechanism The soft operator panel is used for operation and status display of OKIPAGE 6e
53. No Install the LED head properly Y ves Replace the LED head or the head cable Has the problem been removed Yes End Note After replacing the LED head set the printer in the engine maintenance mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time see 4 2 YNo Replace the Main Control PCB or power supply board Poor fusing Is paper of the specified grade being used No Use paper of the specified grade Y Yes Is the spring of the back up roller normal No Replace the spring Y Yes Is the contact of the fusing unit assy in proper contact with the contact assy see Fig 6 4 No Adjust the contact of the fusing unit assy to make a proper contact with the contact assembly v e Yes Replace the fusing unit assy r Has the problem been removed Yes End Note After replacing the fusing unit assy set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED and ENTER keys and reset the fuser counter see 4 1 Y No Replace the Main Control PCB or power supply board White vertical belts or streaks Are the LED lens dirty Yes Clean the LED lens Y No Is the contact plate of the transfer roller in proper contact with the power supply board see Fig 6 5 No Adjust the contact plate to make a proper contact with the power supply board Y ves Replace the transfer roller y Has the problem been removed Ye
54. OKI OKIPAGE 6e 6ex LED Page Printer Maintenance Manual ODA OEL INT Appro PREFACE This Maintenance Manual describes the field maintenance methods for OKIPAGE 6e and OKIPAGE 6ex 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 1 CONTENTS CONFIGURATION 1 1 1 1 System Coniidiralon a ee 1 1 1 2 Printer Configuration EE 1 2 1 3 Optional COMMU ANGI arena 1 3 1 4 Specification elle 1 5 1 3 e ilaria 1 7 1 5 1 Certification Label 1 7 1 5 2 Waming Label ELE 1 8 1 5 3 Warning Caution Marking enne 1 9 OPERATION DESCRIPTION ri 2 1 2 1 Control Board nenne 2 4 22 able 2 6 23 FB eu een een 2 7 2 4 Power Supply Board unse dls 2 8 2 5 Electrophotographic Process nen 2 10 2 5 1 Electrophotographic Process Mechanisme 2 10 2 5 2 Electrophotographic Process nc nn ano cc cnn nnnr cnn 2 13 2 5 3 Process Operation Descriptions nnt 2 16 2 6 Paper Jam EECHER 2 27 2 7 Cover OPEN Heen 2 30 25 Toner LOW Docente 2 31 PARTS REPLACEMENT u u u une 3 1 3 1 Precautions for Parts Replacement i 3 1 CM WE A cT 3 3 2 3 How to Change Piece re 3 6 3 3 1 pper COVE CC este a ahenea i 3 7 3 3 2 ee cle P EE i 3 8 3 3 3 LED Head Sissies EUER 3 9 3 3 4 Eject Roller ASSY iue ias 3 10 3 3 5 Pulse Motor Malt
55. Prior to the Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the Operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD ODA OKIDATA OKIPAGE 6ex PAGE PRINTER MENU 1 ENTER S Es E PAPER SIZE TRAY TYPE FORM FEED Press 2 seconds OKIDATA OKIPAGE 6e PAGE PRINTER OEL INT OKIPAGE 6ex PAGE PRINTER MENU 1 A ENTER u 2 Recover Power Save PAPER SIZE TRAY TYPE FORM FEED ON LINE B5 T T OTHER Print Menu Print Fonts Print Demo A5 LGL E Press 2 seconds OKI OKIPAGE 6e LED PERSONAL PAGE PRINTER Logo print Status message display Ready LED display EN OFF gt lt BLINKING ON Undefined When a problem occurs go through the troubleshooting according to the following procedure Problem displayed by Troubleshooting according to the Status Message List see 4 3 1 4 3 Troubleshooting Method the message 4 3 1 LCD Status Message List Carry out detailed troubleshooting a
56. S0 N 1 0 select 0 O CS3 N ROM select 3 10 50 CS2 N ROM select 2 NC 11 51 CS4 N ROM select 4 O DDRASI N OKIPAGE6ex only OKIPAGE6e NC 12 52 NC O RESET N Reset signal 13 53 SCSREO P SCC receive request NC 14 54 SCRREO P SCC send request O A22 P Address bit 22 15 55 O A08 P Address bit 8 O A07 P Address bit 7 16 56 O A06 P Address bit 6 O AOT P Address bit 5 17 57 O A04 P Address bit 4 O A03 P Address bit 3 18 58 O A02 P Address bit 2 O A05 P Address bit 1 19 59 O A00 P ORE N OR write enable O A21 P Address bit 21 20 60 O A20 P Address bit 20 O A19 P Address bit 19 21 61 O A17 P Address bit 17 O DCASO N DCASO 22 62 O DCAS1 N DCAS1 O RD N RD N 23 63 O M8 P Address bit 18 O A16 P Address bit 16 24 64 O A15 P Address bit 15 O A14 P Address bit 14 25 65 O A13 P Address bit 13 C OV Logic ground 26 66 O 45V 5V power supply O A12 P Address bit 12 27 67 O A11 P Address bit 11 O A10 P Address bit 10 28 68 O A09 P Address bit 9 O WR N WR N 29 69 O DRAS2 N DRAM select 2 O DRAS3 N DRAM select 3 30 70 C DRAN4 N DRAM select 4 O DRAS5 N DRAM select 5 31 71 C D07 P Data bit 7 C DO6 P Data bit 6 32 72 C DO5 P D05 P Data bit 5 C DO4 P Data bit 4 33 73 C D02 P D02 P Data bit 2 C D03 P Data bit 3 34 74 C DOO P D00 P Data bit 0 C D01 P Data bit 1 35 75 C OV Logic ground O 45V 5V power supply 36 76 C D14 P Data bit 14 C D15 P Data bit 15 37 77 C D12 P Data bit 12
57. acement methods for the components listed in the disassembly order diagram below High Capacity Second Paper Feeder Pulse motor hopping 3 3 1 L OLEV 12 PCB 3 3 2 Hopping roller shaft assembly and One way clutch gear 3 3 3 3 3 1 Pulse Motor Hopping 1 Turn the printer power switch off O and remove the interface cable 2 Remove the paper casette 3 Open the Front cover 2 stand the High Capacity Second Paper Feeder vertically and remove the 2 E clamps Remove the 2 levers 4 and remove the tension springs Pull out the sheet guide 6 to the front Remove the 6 screws 7 and remove the front support plate 8 4 5 6 7 Remove the connector 9 and the 2 screws 40 and remove the pulse motor 4 S 6 7 OLEV 12 PCB 1 Remove the front support plate see 3 3 1 steps 1 through 6 2 Remove the connector 1 and the 2 screws 2 then remove the OLEV 12 PCB e 3 9 3 Hopping Roller Shaft Assembly and One way Clutch Gear 1 Open the front cover 1 2 Remove the 2 screws 2 and remove the hopping roller frame be careful not to lose the Springs when you do this since it comes off 3 Remove the One way clutch gear 4 Remove the bush A and remove the hopping roller shaft assembly be careful not to lose the bush B when you do this since it comes off 4 TROUBLESHOOTING 4 1 Precautions
58. acing the drum unit reset the drum counter Refer to the User s Manual Category LCD status message Table 6 2 Trouble or status Remedy Controller errors ERROR On aaaaaaaa An error occurred in the controller n Exception Code aaaaaaa Error Address Normal operation cannot be ensured Turn the power off then back on to restart If normal operation is not recovered by this restart procedure replace the Main Control PCB An error occurred in the controller 6 11 Turn the power off then back on to recover from the error If the normal operation is not recovered by this restart procedure use the following remedial actions Table 6 2 Cont d Category LCD status message Trouble or status Remedy Controller errors Error Remedy ERROR nn A fault occurred in the Replace the Main Control PCB controller n Exception Code An error was detected by Replace the Main Control PCB program ROM check An error was detected by Replace the Main Control PCB font ROM check An error was detected by Replace the Main Control PCB resident RAM check An error was detected by Replace the EEPROM or Main EEPROM check Control PCB EEPROM An error was detected by Check the optional software ROM optional software ROM board for proper connection or check replace it 6 12 Category LCD status messa
59. age Table 6 1 Trouble or status Remedy Controller errors Controller Error An error occured in the controller Normal operation cannot be ensured Turn the power off then back on to restart If normal operation is not recovered by this restart procedure replace the Main Control PCB Program ROM Check Error An error was detected by program ROM check Replace the Main Control PCB When replacing the Main Control PCB upload download the EEPROM data Refer to 4 3 1 Font ROM Check Error An error was detected by font ROM check Replace the Main Control PCB When replacing the Main Control PCB upload download the EEPROM data Refer to 4 3 1 Resident RAM Check Error An error was detected by resident RAM check Replace the Main Control PCB When replacing the Main Control PCB upload download the EEPROM data Refer to 4 3 1 EEPROM Check Error An error was detected by EEPROM check Replace the Main Control PCB When replacing the Main Control PCB upload download the EEPROM data Refer to 4 3 1 Category PC display status message Table 6 1 Cont d Trouble or status Remedy Controller errors Optional Software ROM Check Error An error was detected by optional software ROM check Check the optional software ROM board for proper connection or replace it Optional RAM Check Error An error was detected by
60. al Paper Cassette Legal Universal cassette Cassette cover 4 High Capacity Second Paper Feeder 1 4 Specification 1 Type 2 External dimensions excludes protruding portion 3 Weight 4 Developing method Exposing method b Paper used 6 Printing speed 7 Paper feeding method 8 Paper delivery method 9 Resolution Desktop Height6 3 160 mm Width 12 6 320 mm Depth 14 17 360 mm 8 kg Dry electrophotography LED stationary head Type Standard paper Xerox 4200 20 lbs Application paper manual face up feed Label Envelope OHP paper Transparency Size Standard sizes Letter ODA Legal option Executive Envelope A4 A5 B5 A6 Applicable sizes Width 3 94 to 8 5 100 to 216 mm Length 5 83 to 14 148 to 355 6 mm Thickness Automatic feed 16 to 24 lbs 60 to 90 g m Manual feed Label OHP paper transparency Envelope First print 17 sec Continuous print 6 sheets min for letter size paper Warm up time 60 sec at room temperature 77 F 25 C and rated voltage 120 VAC Automatic feed or manual feed Face down face up 300 x 300 dots inch OKIPAGE 66 600 x 600 dots inch OKIPAGE 6ex 600 x 1200 dots inch OKIPAGE 6ex 10 Power input 11 Power consumption 12 Temperature and humidity 13 Noise 14 Consumables 120 VAC 5 596 1596 230 VAC
61. alue Appendix E Multi Purpose Feeder Maintenance PREFACE This Maintenance Manualis intended for the service person and describes the field maintenance methods for Multi Purpose Feeder option of OKIPAGE 6e Series LED Page Printer Refer to the Printer Handbook for equipment handling and operation methods CONTENTS OUTLINE occiso ia E 4 FUNCIONS argae e E E 4 1 2 External View and Component Names e E 4 MECHANISM DESCRIPTION u E 5 2 1 General Mechanism E E 5 22 Mopper MENE E 5 PARTS Ee AT MR E 6 3 1 Precautions Concerning Parts Replacement E 6 Se Pan Layout UN E 8 3 3 Parts Replacement Methods E 9 3 3 1 Lian E 10 3 3 2 Soo endar Doreen E 11 3 3 3 ET E 12 3 3 4 Pulse Oe TEE E 13 3 3 5 MEINEM MEER E 14 3 3 6 Roller Aand Benannte ei Nele een en E 15 TROUBLESHOOTING aan UE SCd una LEN UC OK MR da E 16 4 1 Precautions Prior to the Troubleshooting E 16 4 2 Preparations for the Troubleshooting E 16 4 3 Troubleshooting Metteg getest E 19 4 3 1 LCD Status Message List ran ncnnnncc E 19 CONNECTION DIAGRAM iii E 21 5 1 Interconnection Diagram E 21 53 e E 22 PARIS LE W E 23 1 OUTLINE 1 1 Functions This optional Multi Purpose Feeder is installed on the front section of the printer and it supplies paper automatically through
62. and a single paper caught by the separator is fed into the printer Paper Support Printer Planet Gear PRD Roller B Transfer Roller i Back up Roller Registration Roller Hopping Roller Shaft Assembly 3 1 PARTS REPLACEMENT This section covers the procedures for the disassembly reassembly and installations in the field This section describes the disassembly procedures and for reassembly procedures basically proceed with the disassembly procedures in the reverse order Precautions Concerning Parts Replacement 1 Parts replacements must be carried out by first turning the printer power switch off O and removing the Multi Purpose Feeder from the printer 2 Do not disassemble the Multi Purpose Feeder if it is operating normally 3 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore these parts should be temporarily fixed in the original location 7 When handling printed circuit boards do not use any glove which may generate static electricity 8 Do not place the printed circuit boards directly on the equipment or floor Service Tools Table 3 1 shows the tools req
63. ar since the other end is being dipped in the toner Operation during Toner Low state When the stirring bar reaches the maximum height it falls to the minimum height due to its own weight since there is no resistance pro vided by the toner on the other side Because of this the time interval during which it is in encounter with the magnet of the sensor lever becomes longer By monitoring this time inter val Toner Low can be detected Stirring Gear Section o N Stirring Bar Sensor Plate Toner Sensor Stirring Bar pt Sensor Plate TONER FULL state 240 ms t1 lt 1 5 sec TNRSNS N E 4 875 sec gt TONER LOW state t1 gt 1 5 sec TNRSNS N or tl 11 lt 240 ms _ 4 875 sec gt When the Toner Low state is detected 2 times consecutively Toner Low is established When the Toner Full state is detected 2 times consecutively Toner Low is cancelled Whenthere is no change with the toner sensor for 2 cycles 4 875 sec x 2 or more then the Toner Sensor Alarm is activated e The toner sensor is not monitored while the drum motor is in halt 3 PARTS REPLACEMENT 3 1 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 steps of disassembly procedure Precautions for Parts Replacement
64. ary to adjust the following setitngs manually after the replacement using the Maintenance Utility LED driver time See 4 3 1 Factory setting ODA OEL INT A INT L 5 PERIODICAL MAINTENANCE 5 PERIODICAL MAINTENANCE 5 1 Periodical Replacement Parts The parts are to be replaced periodically as specified below Part name Condition for replacement Cleaning Remarks e Toner cartridge About 2 000 sheets of paper have been printed LED head Consumables mage drum cartridge 5 2 Cleaning About 20 000 sheets of paper have been printed Consumables Remove any toner or dust accumulated inside the printer Clean in and around the printer with a piece of cloth when necessary Use the handy cleaner vacuum to clean inside the printer Note Do not touch the image drum LED lens array or LED head connector block 5 2 1 Cleaning of LED Lens Array Clean the LED lens array or replace the toner cartridge when white lines or stripes void light printing are generated vertically down the page Note The LED lens array must be cleaned with an LED head cleaner provided with each toner kit White lines or stripes void light printing 1 Setthe LED head cleaner to the LED lens array as shown in the figure then slide the cleaner back and forth horizontally several times to clean the head Note Gently press the LED head cleaner onto the LED lens array LED head cleaner
65. ata plus Receive data plus polarity Connector Pin Arrangement As viewed from the cable side 4 Signal level Differential output 5V Differential input 7V 5 Interface circuit a Receiving circuit 26L530 or equivalent INPUT i DIFFERENTIAL OUTPUT ENABLE i b Transmitting circuit DIFFERENTIAL INPUT OUTPUT 6 Receive margin 7 Communication protocol e LocalTalk I F LocalTalk protocol e RS422l F X ON X OFF protocol 8 Interfacing parameter setting ENTER The following settings are possible by pressing key after selecting the display contents of the LCD of the operator panel by using and keys Settings are retained even when the printer power is turned off By pressing key menu setting mode is completed and the printer returns to ON LINE state a r CH EI v x H Wel N N N o 3 P Q 3 Q may i OFF LINE i Adobe PS MENU 1 MENU 1 Press mer key for 2 seconds to enter the menu mode level 2 then press meer key 7 times ready ADOBE PS EE iSETUP ENTER Press PowerSave key may i JAM RECV MENU 1 Press Men key 6 times Item ACTIV 422 Ready Selection Function c E LOCALTK LocalTalk I F RS422 RS422 I F Factory Setting LOCALTK NY Press key ON LINE Adobe PS
66. available Operator Panel OKIPAGE 6ex Only Engine Unit Paper Gassette Legal Universal Ba Paper Feed Mechanism Paper Tray First Tray Unit Face Down Electrophotographic Stacker Processing Unit Power Supply and Sensor PCB Hight Capacity sl i Second Paper Feeder Main Control PCB Multi Purpose Feeder P OKIPAGE6ex PS Board with RAM Optional OKIPAGE 6e 6ex RAM Board Figure 1 1 1 2 Printer Configuration The printer unit consists of the following hardware components e Electrophotographic Processor Paper Feeder Main Control PCB Operator Panel OKIPAGE 6ex Only e Power Supply Unit e PS Board OKIPAGE 6ex Only The printer unit configuration is shown in Figure 1 2 Toner cartridge consumables f Stacker cover assy Fusing unit Image drum unit consumable PS Board Main Control PCB e L5C or L5D OKIPAGE6e e LGA OKIPAGE 6ex Figure 1 2 1 3 Optional Configuration The options shown below are available for use with OKIPAGE 6e and OKIPAGE 6ex These are available separately from the printer unit 1 1MB Memory Expansion Board OKIPAGE 6e 6ex 2 SIMM Memory OKIPAGE 6e 1 2 4 8 16 Mbyte OKIPAGE 6ex 1 2 4 8 16 32 Mbyte 3 Legal Univers
67. cartridge Charging Y Y j Paper path Cleanin Developi Toner Paper H eveloping eject SE roller A roller Sr Face up Outlet sensor Inlet sensor Fusing Paper Paper supply tray Power Transfer RS Hopping Heater roller Back up roller I Registration roller i supply roller d roller Image Paper eject Fusing Cleaning Transfer production Paper feed Paper hopping developing e lt lt Path of paper feeding Direction of TF rotation of the image drum PRINT N PRDY N DM ON N RM ON Figure 2 8 2 15 Outlet Sensor OFF INSNS OUTSNS N Feed stop Inlet Sensor OFF Feed start 2 5 3 Process Operation Descriptions 1 Hopping and Feeding Hopping and feeding motions are actuated by a single registration motor in the mechanism as shown below Idle gear Registration motor Registration roller we Hopping roller Registration gear Motor gear Hopping gear The registration motor turning in direction a drives the hopping roller The registration motor turning in direction b drives the registration roller The registration and hopping gears have one way bearing so turning any of these gears in the reverse direction will not transmit the motion to the corresponding roller a Hopping D For hopping the registration motor turns in direction a CW direction an
68. cates the emulation emulate HP4 AdobePS PROCS NG OKIPAGE6ex in PS mode Post Script mode only The printer is processing data WAITING OKIPAGE6ex in PS mode Post Script mode only The printer is in the middle of a job and waiting for data to be processed PRINTING The printer is printing a page 6 18 Normal operation Category LCD status message Table 6 2 Cont d Trouble or status Remedy Daily status DATA HP4 for OKIPAGE6ex in HP 4 mode The printer is processing data in on line mode Ready ON The data that is not printed remains in the buffer Ready flashing The printer is receiving data All fonts of the printer are being printed during self test The current menu setting is being printed Ready ON Executed by command entry Ready flashing Executed by key operation 6 19 Normal operation Category LCD status message Table 6 2 Cont d Trouble or status Remedy Daily status PRINT DEMO The demo page is being printed nnn mmm CPYnn mm for OKIPAGE6ex in HP 4 mode When the number of copies being printed is two or more the number of copies being printed is displayed This message is displayed together with another message
69. ccording to the Troubleshooting Flow see 4 3 1 The listing of the statuses and problems displayed in the form of messages on the LCD or PC display is provided in Table 4 1 Classification Jam error LCD Status Message and PC Display Printer LCD Status Message a FEED PAPER INPUT JAM or FEEDER FEED JAM lt PC Display Status Message gt Paper Input Jam Paper Feed Jam Description Notifies of occur rence of jam while the paper is being fed from High Capacity Second Paper Feeder Recovery Method e Checkthe paper inthe High Capacity Second Paper Feeder Carry outthe recovery print ing by opening and closing the cover and turn the er ror display off When the problem occurs frequently to through the Troubleshooting Paper size error lt Printer LCD Status Message gt FEEDER SIZE ERR lt PC Display Status Message gt Paper Size Error Notifies of incorrect size paper feeding from High Capacity Second Paper Feeder Checkthe paper inthe High Capacity Second Paper Feeder Also check to see if there was a feeding of multiple sheets Carry outthe recovery print ing by opening and closing the cover and turn the er ror display off Tray paper out lt Printer LCD Status Message gt FEEDER PAPEROUT lt PC Display Status Message gt Second Tray Paper Out Notifies of no paper or paper cassette state of th
70. ce between the heater contacts normal resistance about 00 see Fig 6 2 or see 7 3 Yes Replace the fusing unit Y No Isthe AC voltage being supplied to the contacts for the heater of the contact assembly Refer Fig 6 2 No Replace the Main Control PCB or the power supply board Yves Check the heat contact of the fusing unit and the contact assembly for poor contact see Fig 6 4 contact Fan error ERROR 70 Is the fan rotating Yes Replace the Main Control PCB Y No Is connector CN1 on the Main Control PCB being connected No Connect connector CN1 Y ves Replace the fan or Main Control PCB check coil resistance of the fan See 7 3 6 5 3 Image Troubleshooting Procedures for troubleshooting for the cases of abnormal image printouts are explained below Figure 6 3 below shows typical abnormal images Problem Flowchart number Images are light or blurred entirely Figure 6 3 O Dark background density Figure 6 3 B Blank paper is output Figure 6 3 Black vertical stripes Figure 6 3 D Cyclical defect Figure 6 3 E Print voids Poor fusing images are blurred or peeled off when touched by hands White vertical streaks Figure 6 3 E A Light or blurred Dark background C Blank paper images entirely density oo AB D Black vertical stripes Cyclical defect D White vertical belts or streaks
71. ck up roller 2 72 69 08 mm Replace the back up roller Notes 1 After replacing the image drum unit set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see User s Manual 2 After replacing the fusing unit assy set the printer in the engine maintenance mode by turning the power on while pressing the FORM FEED and ENTER keys and reset the fuser counter see 4 1 Print voids Is the contact plate of the transfer roller in proper contact with the power supply board see Fig 6 5 No Adjust the contact plate so that it touches the power supply board and the shaft of the transfer roller properly Yes Replace the transfer roller r Has the problem been removed Yes End Y No Are the contacts of the toner supply roller developing roller image drum and charging roller in proper contact with the contact assy see Fig 6 4 A B D e No Adjust the contacts so that they touch the contact assy properly Y ves Replace the image drum unit r Has the problem been removed Yes End Note After replacing the image drum unit set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see User s Manual e No Is the LED head being installed properly check connector CN4 OKIPAGE 66 or HEAD1 HEAD2 OKIPAGE 6ex on the Main Control PCB and PC Connector on the LED head
72. cription 1 DMPH1 N Coil 1 N 2 DMPH1 P Coil 1 P 3 DMPH2 N Coil 2 N 4 DMPH2 P Coil 2 P Excitation sequence Line Color Yellow Black Orange Turning direction Clockwise when viewed from the output axis CN3 Pin Assignment To Regist motor Description 1 Coil 1 N NN Coil 1 P 3 Coil 2 N 4 Coil 2 P Excitation sequence Line Color Yellow Black Orange Brown Turning direction Clockwise as viewed from the output axis e CN4 Pin Assignment To LED head OKIPAGE 6e 1 0 Signal Description 1 C ov Grount for LED 2 C Ground for LED 3 0 5V power supply for LED diriving 4 0 5V power supply for LED driving 5 C Logic ground 6 0 7 0 8 0 9 C 10 0 Strobe1 11 0 Strobe 2 12 0 Strobe 3 13 0 Strobe 4 7 HEAD1 amp HEAD2 Pin Assignment To LED head OKIPAGE 6ex HEAD1 1 0 Signal Description 1 0 HDSTB4 N Strobe 4 2 0 HDSTB3 N Strobe 3 3 0 HDSTB2 N Strobe 2 4 0 HDSTB1 N Strobe 1 5 C HDDLD P Load 6 0 5V 5V power supply for LED driving 7 0 HDD1 P Data 1 8 0 HDDO P Data 0 9 C OVLED Ground for LED 10 0 HDD3 P Data 3 11 0 HDD2 P Data 2 12 C OVLOGIC LOGIC ground 13 0 HDCLK P Clock 14 C OVLOGIC LOGIC ground HEAD2 1 0 Description 1 C FG 2 C Gro
73. ctor CN2 on the power supply Voltage between pins 1 and 3 about 28 V AC Voltage between pins 5 and 6 about 10 V AC Are the voltages normal Is fuse F3 on the power supply board open No Replace the power supply board Replace fuse F3 if it blows again check the resistance of the registration and drum motors see 7 3 If the resistance is wrong replace motors or replace the power supply board or Main Control PCB Is the AC input voltage output between pins 1 and 2 of connector CN1 on the power supply board normal Replace the AC transformer Is fuse F1 or F2 on the power supply board open Replace the power supply board Replace open fuse F1 or F2 if is opens again replace the power supply board Fuse Ratings Fuse Power supply board CN1 CN2 CN3 F2 1 Thermal Fuse F3 II P gt 0 30V 30V 17 18 i 12 Smoothing 7 Filter Circuit 5v 11 12 Circuit SEL 39 EY 7 SS 5 V 3 4 Stabilizing OV 915 16 Circuit 8 V 24 lt lt Tr 5 m Z AC Input 6 8 Rectifying npu 120 V 230 V Smooting Fi 125V 63A 250V 5A To Circuit 8V 22 F2 125V 1 6A AC Transformer F3 125 V 2 5A 250 V 2 5A Figure 6 1 Low voltage Power Supply Block Diagram 2 The printer does not work normally after the power is turned on OKIPAGE 6ex PS mode Turn
74. ctory Multi purpose feeder download table selection Do not change its default setting since this is a factory setting and were set at the factory Setting of standby temperature Engine test selection Do not change its default setting since this is a factory setting and were set at the factory Engine reset All EEPROM areas used by the engine block are reset to the factory default values The following items are excluded Menulevel 1 Menulevel 2 Operator panel menu disable enable Head drive time setting Head width setting Head type setting Transfer current setting Page print disable enable e Transition to the operation mode occurs completion of resetting C 6 Engine maintenance mode menu system LCD display ENG MNT m OPT HEAD 300 1W LED HEAD No 25 HEAD WID NARROW HEAD TYPE TYPE 2D4 STRB TIM 0 50 SETTING 0 PRINTPOS 0 mm DRUM CNT T nnnnnn DRUM CNT nnnnnn T1 POS 0 mm Press the Or key Press the Menu key Press the Or key Press the Menu key Press the Or key Press the Menu key Press the Or key Press the Menu key Press the Or key Press the Menu key Press the Or key Press the Menu key Press the Or key Press the Menu key Press the Menu k
75. d drives the hopping roller to advance the paper until the inlet sensor turns on in this case the registration gear also turns but the registration roller is prevented from turning by the one way bearing After inlet sensor is turned on by the paper advance the paper is further advanced to a predetermined distance until the paper hits the registration roller the skew of the paper can thus be corrected Paper Registration roller Hopping roller b Feeding O When hopping is completed the registration motor turning in direction b CCW direction drives the registration roller to advance the paper in this case the hopping gear also turns but the hopping roller is prevented from turning by the one way bearing The paper is further advanced synchronization to the print data Image drum Hopping roller Transfer roller Registration roller 2 Charging Charging is actuated by the application of the DC voltage to the charge roller that is in contact with the image drum surface Charge roller Image drum The charge roller is composed of two layers a conductive layer and a surface protective layer both having elasticity to secure good contact with the image drum When the DC voltage applied by the power supply exceeds the threshold value charging begins The applied voltage is proportional to the charge potential with offset of approximately 550V charge potential V 750 5
76. d 1M T OLEV 11 PCB 1 OPTPSIN N OPTSCLK N 2 OVP 30V OVL FG FG No To the Printer or High Capacity Second Paper Feeder 5 2 PCB Layout OLEV 11 PCB PARTS LIST 6 Figure 6 1 Multi Purpose Feeder 23 Description Table 6 1 Multi Purpose Feeder Oki J Part No ODA Part No Roller A 3PB4083 5514P1 50409201 Planet gear 4PP4083 5520P1 51229601 Link 3PP4083 5540P1 53344101 Separator 4PP4083 5544G1 5334201 Pulse motor 4PB4083 6075P1 56510701 OLEV PCB 4YA4121 1014G11 55074811 Connection cord 3YS4011 3141P3 56631201 ODA 3YS4011 3141P1 56631201 OEL INT Roller B 3PB4083 5524P1 53343901 Separator assy 3PA4083 5549G1 53347101 Includes 3 and 4 above Appendix F High Capacity Second Paper Feeder Maintenance PREFACE This Maintenance Manualis intended for the service person and describes the field maintenance methods for High Capacity Second Paper Feeder option of OKIPAGE 6e Series LED Page Printer Refer to the Printer Handbook for the equipment handling and operation methods CONTENTS OUTLINE ze F 4 E SE leet F 4 1 2 External View and Component Names e F 4 MECHANISM DESCRIPTION u F 5 2 1 General En e F 5 22 Hopper EE EE Fab PARTS REPLACEMENT san da F 6 3 1 Precautions Concerning Parts Replacement
77. d remove the upper frame 4 Remove the 2 screws 3 and take out the separator assembly 5 Disengage the separator from the separator bracket while lifting the paper hold and take out the separator be careful not to lose the spring 8 when you are doing this Q FA d Screwdriver 3 3 3 OLEV 11 PCB 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the connector 1 3 Remove the 2 screws 2 and remove the OLEV 11 PCB When mounting the printed circuit board be careful to make sure that the sensor plate is being set correctly Sensor Plate E 12 3 3 4 Pulse Motor 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove the 2 screws Q and remove the stepping motor 6 3 3 5 Planet Gear 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the OLEV 11 PCB see 3 3 3 3 Remove the 2 screws 1 and remove the motor bracket assembly 2 and planet gear E 14 3 3 6 Roller A and B While only the removal procedure for roller A is described here the removal procedure for roller Bis basically same When removing roller B however be careful notto deform the sensor lever emove the upper frame see 3 3 2 steps 1 through 3 emove the separator assembly see 3 3 2 emove the OLEV 11 PCB see 3 3 3 emove the motor bracket see 3 3 5 Remove the gear
78. dress bit 1 59 19 I A00 P ORE N Address bit 0 I A21 P Address bit 21 60 20 A20 P Address bit 20 I A19 P Address bit 19 61 21 I A17 P Address bit 17 DCASO N DCASO 62 22 I DCAS1 N DCAS1 RD N RD N 63 23 I A18 P Address bit 18 I A16 P Address bit 1 64 24 I A15 P Address bit 15 I A14 P Address bit 14 65 25 I A13 P Address bit 13 G OV 66 26 I 5V 5V power input A12 P Address bit 1 67 27 I A11 P Address bit 11 I A10 P Address bit 10 68 28 I A09 P Address bit 9 I WR N WR N 69 29 I DRAS2 N DRAM select 2 DRAS3 N DRAM select 3 70 30 I DRAN4 N DRAM select 4 DRAS5 N DRAM select 5 71 31 C D07 P Data bit 7 C DO6 P Data bit 6 72 32 C DO5 P Data bit 5 C DO4 P Data bit 4 73 33 C D02 P Data bit 2 C D03 P Data bit 3 74 34 C D00 P Data bit 0 C DOT P Data bit 1 75 35 C OV Logic ground 5V 5V power input 76 36 C D14 P Data bit 14 C D15 P Data bit 15 77 37 C D12 P Data bit 12 C D13 P Data bit 13 78 38 C D11 P Data bit 11 C D10 P Data bit 10 79 39 C D09 P Data bit 9 C D08 P Data bit 8 80 40 NC NC 7 3 Resistance Check Circuit Diagram Illustration Resistance gt Orange Yellow Between pins 1 and 2 18 60 Registration 9 Between pins 3 and 4 18 60 motor gt Brown gt Black gt Orange e Yellow Main drum Between pins 1 and 2 12 6Q motor Between pins 3 and 4 12 6Q gt Brown gt Black
79. e Engine Counter Each item is reset by clicking of the Reset button 1 Drum Count The number of drum revolution of the EP drum unit counted at the engine block Total Drum Count The total number of drum revolution of the printer counted at the engine block Page Count The total number of printed pages counted at the engine block Reset All Resetting all counters by clicking of the button Status Monitor The Status Monitor checks printer status for real time display Test Print Button The Test Print Button shows the Test Print Dialog to execute local print or test file print 1 Print Menu It performs the menu print Print Demo It performs a demo print Print Fonts It prints font samples Cleaning It performs special print to clean the charge roller b Print File It performs a test file print Printer emulation is stipulated by a file suffix xxx HBP Hiper W emulation xxx BIN PCL emulation xxx PRN Ditto xxx aaa Ditto aaa may be any strings other than the above Figure 4 3 2 5 Option Menu Button It performs operation selected in the Option Button Menu Available operations are as follows 1 2 Reset Engine It resets all the Engine Menu contents to the factory default setting EEPROM Upload It upload the contents of the Engine Menu Setting and Engine Counter data into the memory on the PC EEPROM Download It download the Engine Menu Setting and Engine
80. e High Capacity Second Paper Feeder Load the paper or paper cassette in High Capacity Second paper Feeder JAM error Paper Inlet Jam Does paper jam at the inlet when the power is turned on YES Isthe paper located above the sensor plate Inlet YES Remove the paper 4 NO Isthe sensor plate Inlet operating normally NO Replace the sensor plate Inlet Y ves Replace the power supply board or inlet sensor YNo When the paper is fed in does the paper inlet jam occur e YES Is the paper being fed to above sensor plate Inlet YES Is the sensor plate Inlet operating normally NO Replace the sensor plate Inlet e YES Clean the inlet sensor on the power supply board or replace the power supply board or inlet sensor HI Replace the hopping roller shaft assy or paper cassette HI Is the hopping roller shaft rotating YES Set the paper properly NO _ Is the stepping motor turning e YES Replace the one way clutch gear on the hopping roller shaft assembly Yno Is the connector cable being connected properly eNO Connect the connector cable properly v YES Check the coil resistance approx 329 of the pulse motor Is is normal NO Replace the pulse motor Yves Replace the OLEV 12 PCB 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram Stepping motor d 2 M T3 d_1M T4 p p OLEV 12PCB
81. e Utility are as follows 1 Engine Menu For setting initializing the engine menu 2 Engine Counter Reset For resetting the engine counter 3 Test Print For printing test data 4 Engine Reset For resetting the engine menu counter 5 RAM Check For checking RAMs on the printer Not yet supported 6 EEPROM Upload Download For uploading downloading the contents of the EEPROM Software Configuration The Maintenance Utility consists of the following files 1 Maintenance Utility MNTDRV EXE The Maintenance Utility executable file It handles user interface display control and handling of messages transmitted from the Windows Initialization File MNTDRV INI D Data such as menu setting of the Maintenance Utility and the command analysis library etc The file is used for initialization of the program 3 Command analysis library OPEL DLL PJL DLL It is a command analysis library which is called from the Maintenance Utility It translates command for the designated printer language and analyzes status responses There is a corresponding file for each printer environment setting language one file for OPEL and one file for PJL Appropriate library is selected automatically by the Maintenance Utility to be loaded and executed HBP API Library OKIHBP DLL E It is a DLL that functions to interface the Maintenance Utility and the Virtual Device Driver 5 Virtual Device Driver VOKIHBPD 386 It is a v
82. e parameter Luminous intensity Luminous intensity marking on LED head Drive time parameter Drive time parameter marking on LED head 056 062 34 132 142 23 063 065 33 143 154 22 066 069 32 155 167 070 076 31 168 180 077 082 30 181 195 083 088 29 196 211 089 096 28 212 228 097 104 27 229 247 105 112 26 248 268 113 121 25 269 290 122 131 24 291 313 4 3 2 Adjustment When Replacing a Part OKIPAGE6ex 600dpi LED head Adjustment is necessary when replacing any one of the following parts Parts Required Adjustment LED head LED head drive time Head Type Image drum unit Drum counter reset Refer to the User s Manual Main Control Board EEPROM data Upload Download See 4 3 1 D Setting of LED Head Drive Time Note When the luminous intensity marking of the replacement LED head new part is same as that of the removed LED head old part do not set the LED head drive time Luminous Intensity Marking Label 122482 ILLU LA MI 73 1 HIN 000100221127107 key Last 3 digits represent the LED head marking number or 401326 HH Tali UI Luminous intensity marking 73000123400101 100 027 or II II i 403579 74000123400101100 OKIPAGE6ex Setting of LED Head Drive Time Drive time of the LED head is set by setting the parameter of drive time of EEPROM according to the luminous intensity markin
83. eceiving Printing 0 5 sec interval Recoverable alarm Fast blinking paper end cover open etc 0 12 sec interval Power off Initializing off Unrecoverable alarm 2 Operator panel display OKIPAGE 6ex The failure status of the printer is displayed by the liquid crystal display LCD of the operator panel Take proper corrective action as directed by messages which are being displayed on the LCD OKIDATA OKIPAGE 6ex PAGE PRINTER ENTER Recover Reset Power Save PAPER SIZE TRAY TYPE FORM FEED ON LINE Print Menu Print Fonts Print Demo MENU 1 Menu 2 Press 2 seconds Status message display Ready LED display EE OFF BLINKING ON Undefined 6 5 Troubleshooting Flow Shouldthere be a problem with the printer troubleshoot according to the following procedure flow Problems Problems Troubleshoot from the status da a i M indicated by error gt message list gt I ee Hi message Gee 6 5 1 roubleshooting chart See 6 5 2 Image troubles and troubles which Y e n a ER are not indicated by BA s be Ee ooting message chart See 6 5 3 6 5 1 Status Message Trouble List The status and problems which may be displayed by messages on the LCD or PC display are listed in Table 6 1 OKIPAGE6e and 6 2 OKIPAGE6ex Category PC display status mess
84. ectric field Note Thebias voltage required during the developing process is supplied to the toner supply roller and the developing roller as shown in the diagram below 450 VDC is supplied to the toner supply roller 300 VDC to the developing roller E S Connected and bias supplied 1 when the cover is closed Developing roller Toner supply roller a drum 5 Transfer The transfer roller is composed of conductive sponge material and is designed to get the image drum surface and the paper in a close contact Paper is placed over the image drum surface and the positive charge opposite in polarity to that of the toner is applied to the paper from the reverse side The application of a high positive voltage from the power supply to the transfer roller causes the positive charge inducement on the transfer roller surface transferring the charge to the paper as it contacts the transfer roller The toner with negative charge is attracted to the image drum surface and it is transferred to the upper side of the paper due to the positive charge on the reverse side of the paper Image drum Transfer roller Power supply 6 Fusing When the image transfer is completed the toner image is fused to the paper by heat and pressure as the paper with unfused toner image passes between the heater roller and the back up roller The heater roller with Teflon coating incorporates a 400W heater Halogen lam
85. eeder from the printer 2 Do not disassemble the High Capacity Second Paper Feeder if it is operating normally 3 Establish the extent of disassembly suitable for the purpose of the procedure and do not disassemble any more than necessary 4 Only specified service tools may be used 5 Disassembly must be carried out according to the prescribed procedures Parts may be damaged if such procedures are not followed 6 Small parts such as screws and collars can easily be lost therefore these parts should be temporarily fixed in the original location 7 When handling printed circuit boards do not use any glove which may generate static electricity 8 Do not place the printed circuit boards directly on the equipment or floor Service Tools Table 3 1 shows the tools required for the replacement of printed circuit boards and units in the field Table 3 1 Service Tools Service tools Place of use Remarks No 1 100 Philips 2 2 5 mm screws screwdriver No 2 100 Philips 3 5 mm screws screwdriver NO 3 100 screwdriver NO 5 200 screwdriver Digital multimeter Handy cleaner n E 3 2 Parts Layout This section describes the layout of the main components OLEV 12 DS Front Support Plate 9 e Pulse Motor Hopping Roller Shaft Assembly One way Cluch Gear Figure 3 1 3 3 Parts Replacement Methods This section describes the parts repl
86. end Buffer Overflow Print Overrun Print Overrun Unrecoverable Error Status Message Controller Error Controller Error Program ROM Check Error Program ROM Check Error Font ROM Check Error Font ROM Check Error Resident RAM Check Error Resident RAM Check Error EEPROM Check Error EEPROM Check Error Option ROM Check Error Option Software ROM Check Error Option RAM Check Error Option RAM Check Error Fan Motor Error Fan Motor Error Fuser Error Fuser Error Thermister Error Thermister Error Thermister Open Thermistor Open Check Error Thermister Short Thermistor Short Check Error Toner Sensor Toner Sensor Error Ope Panel Timeout Error Ope Panel Interface Timeout Error Option I F Timeout Option Interface Timeout Error Tray2 Timeout Second Tray Timeout Error Feeder Timeout Multipurpose Feeder Timeout Error Watch Dog Timeout Watch Dog Timeout Error SSIO Error SSIO Interface Error Monitor Error Monitor Error Monitor Error Monitor Error Option Timeout Error Option Timeout Error Option Status Error Option Status Error Back Ground Program Error System Timer Program Error Back Ground Program Error System Timer Program Error IPT1 Program Error IPT1 Program Error 2 4 Test Print Button It diaplys the Test Print Dialog and performs local pr
87. ent of the bar code label on the head xooox I gt Ill 73000123400101100 When the numeral of upper two digits under the bar code is 73 TYPE 1 is selected When the numeral of upper two digits under the bar code is 74 TYPE2D4 is selected ON LINE XXX XXX HP4 AUT WIN or HEX DUMP 4 3 3 Uploading Downloading EEPROM data When the controller printed circuit board is replaced the contents of the old EEPROM shall be copied to the new EEPROM on the new board to preserve customer settings For the purpose use the EEPROM operation on the Option of the Maintenance Utility See Fig 4 4 To copy follow the steps below 1 Besureto confirm thatthe printer and the PC are connected with a centronics I F cable Then execute the Maintenance Utility Note Printer driver shall be deinstalled 2 Select the Option on the Maintenance Utility 3 Click the UPLOAD EEPROM button on the EEPROM Operations 4 The contents of the EEPROM data is displayed on the DIALOG of the Maintenance Utility The contents of the old EEPROM is now copied into the memory of the PC 5 Replace the controller P C B with a new one while it displays the above DIALOG 6 After the replacement click Download EEPROM on the EEPROM Operations EEPROM upload has been completed In case of troubles such as centronics I F failure etc EEPROM data may not be uploaded properly In such case it is necess
88. er Outlet sensor Heat roller Transfer roller Pape I Inlet sensor 1 N Paper Toner Inlet end sensor sensor sensor 2 Registration roller Hopping roller Paper running direction Fusing unit error ERROR 71 ERROR 72 ERROR 73 Turn the power off then back on Does the fusing unit error occur immediately Yes Is the thermistor open or shorted Measure the resistance between thermistor contacts about 220kQ at room temperature see Fig 6 2 or see 7 3 Themistor contacts Figure 6 2 Yes Replace the fusing unit No Do the thermistor contacts touch the contact assembly properly when the fusing unit is mounted in the printer see Fig 6 4 contact No Adjust the contact Y ves Replace the Main Control PCB or power supply board Y No Does the fusing unit error occur about 60 seconds after the power is turned on No Check the thermistor for poor contact or replace the Main Control PCB Y Yes Turn the power off then back on Is the heater of the fusing unit turned on when the heater is turned on light is emitted Yes Check thermistor contacts or replace the Main Control PCB or the fuser unit Y No Is the heater or the thermostat open Measure the resistan
89. er Negative nAutoFd HostBusy HostAck Mode switch request 15 un Not definend Not used 16 ov Logic Gnd Signal groud 17 Chassis Groud Chassis Gnd Frame ground 18 5V Printer gt Peripheral Logic High Power supply max 50mA 19 ov Signal Ground nStrobe Signal ground 20 27 ov Signal Ground Data 1 8 Signal groud 28 ov Signal Ground PError Select nAck Signal Groud 29 ov Signal Ground Busy nFault Signal groud 30 OV Signal Ground nAutoFd nSelectin nlnit Signal groud 31 Input Prime Printer Negative ninit ninit nReverseRequest Initialize 32 Fault Printer gt Negative nFault nDataAvail nPeriphRequest Error occurrrence On line 33 ov Not Defined Signal groud 34 Not Defined Not used 35 Printer gt Not Defined Fixed to logic 1 36 Select In Printer Negative nSelectin 1284 Active 1284 Active Mode switch request Connector pin arrangement Signal level Low OVto 0 8V e High 24 Vto 50V Modes IEEE 1284 Compatible mode e Nibble mode e ECP mode Data bit length 8 bits Receiving buffer Varies depending on option RAM size Control Data is received from the host and stored in the reception buffer Block busy control is carried out Signal line is also carried out Interface circuit a Receiving circuit 5V o R 3 3KQ 1 0 KQ Strobe b Sending circuit 5V 3 3KQ o
90. execute the function being displayed e To exit from any of these modes during category display press the RECOVER or ON LINE key and the operation mode will start 1 1 User Maintenance Mode e Toenterthe user maintenance mode turn the power ON while keeping the Menu key pressed down This mode uses the menu for function selection The user maintenance mode provides the following functions 1 Hex Dump e The data received from the host is dumped in hexadecimal notation to the printer e Printing is activated automatically when the received data exceeds one page If the received data is less than one page printing can be activated manually be pressing the Form Feed key after changing to the OFF LINE mode Automatic activation of printing even when the received data is less than one page by selecting the Auto Eject function on the menu To exit from this mode turn the power OFF 2 Menu Reset e All settings for Menu level 1 are reset to the factory default values The menus for all available emulations including options are reset to the factory default values e The operation mode starts automatically upon completion of resetting 3 Drum Counter Reset e his function resets the drum life data when the user replaces the image drum unit e The operation mode starts automatically upon completion of resetting 4 X Adjust Y Adjust This function sets the first character printing position on the first line The operation mode
91. ey Press the Menu key Press the Or key Press the Menu key 300 1W 300 2W 600 4W No 9 No 10 No 25 No 40 NARROW FULL TYPE 1 TYPE 2D4 0 54 0 50 0 40 0 42 1 1 Omm 0 5 mm 35 mm 4 0 mm 0 5 mm 0 mm 1mm 7 mm 8mm imm Writing into the EEPROM is carried out after pressing the Enter key Note Be sure to select 300 1W for OKIPAGE Ge and to select 600 4W for OKIPAGE 6ex Writing into the EEPROM is carried out after pressing the Enter key then Recover or On line key Writing into the EEPROM is carried out after pressing the Enter key OKIPAGE 6e only Writing into the EEPROM is carried out after pressing the Enter key OKIPAGE 6ex only Writing into the EEPROM is carried out after pressing the Enter key OKIPAGE 6ex only Be sure to check that it is set to 0 Be sure to check that it is set to 0 mm Be sure to check that it is set to 0 mm Upon completion Be sure to check that it is set to 0 mm Be sure to check that it is set to No 3 Be sure to check that it is set to 0 mm Be sure to check that it is set to No 3 Setting of standby temperature Press the Or key Press the Or key Press the T2 POS or
92. g on the LED head a Corresponding table of luminous intensity marking and drive time parameter Luminous intensity marking on LED head Luminous intensity Drive time parameter marking on LED head Drive time parameter 027 028 27 065 069 029 030 26 070 073 031 032 25 074 079 033 035 24 080 084 036 037 23 085 090 038 040 22 091 096 041 043 21 097 103 044 046 20 104 110 047 049 19 111 118 050 052 18 119 126 053 057 17 127 135 058 060 16 136 144 061 064 15 145 154 o N wo a 0 O N co Setting Example Method for setting the parameter to 19 for case where the previous parameter setting was 8 Operation LCD display after operation Turn the POWER switch on while holding the ENG MNT FORM FEED and ENTER keys down N OPTHEAD The item of OPT HEAD is 600 4W always 600 4W when the eer 600dpi head is used y SF T LED HEAD Displays previous on key until 19 No 8 parameter No SS LED HEAD Press the ENTER key No 19 N Parameter 19 is ra e set to EEPROM Turn the POWER switch on is displayed on while pressing the FORM LOD FEED and ENTER keys IL There are two types of HEAD TYPE HEAD TYPE available TYPE 1 TYPE2D4 TYPE1 The type is set as shown below according to the content of the bar code label attached on the head Cont
93. ge Table 6 2 Cont d Trouble or status Remedy Controller errors ERROR nn mi Error Remedy An error was detected by optional RAM check Check the optional RAM board for proper connection Check the mounting position of short plugs and additional RAM chips see 7 4 Replace the option RAM board A fault occurred in the Fan motor Check the fan motor for proper connection and for any presence of foreign matter in the fan see 6 5 2 5 Replace the fan or the Main Control PCB A fault occurred in the fuser timeout error etc See 6 5 2 4 A fault occurred in the fuser thermistor open error See 6 5 2 4 A fault occurred in the fuser thermistor short error Power supply board SSIO I F error See 6 5 2 4 Replace the power supply board or the Main Control PCB I F timeout occurred between the Main Control PCB and the operator panel 6 13 Checkthe operator panel for proper connection Replace the flexible cable operator panel or Main Control PCB Table 6 2 Cont d Category LCD status message Trouble or status Remedy Controller errors Error Remedy ERROR nn I F timeout occurred between Check the optional tray for proper the Main Control PCB and connection the optional tray 2nd tray envelope feeder etc A watchdog timer timeout Turn the power off then back occurred on to recover from
94. he write sensor on the power supply board or replace the power supply board JAM error 2 3 Paper exit jam Does the paper exit jam error occur when the power is turned on Yes Is the paper on the outlet sensor lever Yes Remove the paper YNo In the operation of the outlet sensor lever normal moves freely when touched No Replace the outlet sensor lever Y ves Clean the outlet sensor on the power supply board or replace the power supply board Y No Is the face up stacker pulled out completely from the printer or pushed into the printer completely No Pull the face up stacker out of the printer completely or push it into the printer completely Y Yes Is the eject roller assembly being installed properly No Install the eject roller assembly properly Y Yes Has the coil spring come off the eject roller assembly Yes Install the coil spring to the eject roller assembly Y No Replace the eject roller assembly Paper size error ls paper of the specified size being used e No Use paper of the specified size Y Yes Are inlet sensor levers 1 and 2 operating properly moves freely when touched No Replace the inlet sensor lever or clean the inlet sensor on the power supply board Y Yes Does the outlet sensor lever operate properly moves freely when touched No Replace the outlet sensor lever or clean the outlet sensor on the power supply board Y ves Replace the power supply board Exit roll
95. head Mounting head type Note Printing start position setting is for shipping Do not change its default value Detailed descriptions of these functions are provided in Appendix C DIAGNOSTICS TEST 4 3 Adjustment When Replacing a Part 4 3 1 Adjustment at the Time of Part Replacement OKIPAGE6e 300dpi LED head The following table lists parts that require adjustment after replacement Parts Required Adjustment LED head LED head drive time Image drum unit Drum counter reset Refer to the user s manual for details Control P C B Upload Download EEPROM data D LED head drive time setting Caution Do not change the LED head drive time when the luminous energy indicated on the new LED head is the same as that of the old LED head The LED head drive time is set in the LED Head Marking No on the Engine Menu of the Maintenance Utility Input the value printed on the serial No label on the LED head The last 3 digits indicates the luminous energy of the LED head See Fig 4 2 LED head luminous energy 122861 WU VI EY The last 3 digits indicates the luminous energy of the LED head Luminous energy indications 070 314 OKIPAGE6e Setting of LED Head Drive Time Drive time of the LED head is set by setting the parameter of drive time of EEPROM according to the luminous intensity marking on the LED head a Corresponding table of luminous intensity marking and drive tim
96. hen replacing the Main Control PCB upload download the EEPROM data Refer to 4 3 1 2 Cover Open Cover Open The upper cover was opened Check the cover to release the error display If the display does not change after this procedure replace the power supply board Jam errors Paper Input Jam A jam occured during paper hopping from the tray being displayed Tray Tray1 Tray2 Feeder Check the paper in the cassette Open and then close the cover When the cover is closed recovery printing is carried out and the error display is released If this error occurs frequently see 6 5 2 D 1 Table 6 1 Cont d Category PC display status message Trouble or status Remedy Jam errors Paper Feed Jam A jam occured during paper feeding Check the paper in the cassette after completion of paper hopping Open and then close the cover from the tray being displayed When the cover is closed recovery printing is carried out and the error display is released If this error occurs frequently see 6 5 2 2 2 Paper Exit Jam Jam occured during paper ejecting Check the paper in the cassette Open and then close the cover When the cover is closed recovery printing is carried out and the error display is released If this error occurs frequently see 6 5 2 25 3 Paper size error Paper Size Error Paper of improper size is being ted Check the paper in the tray or from the tray being displayed
97. his function is mainly used to copy the settings of previous printer into newly replaced printer or newly replaced main control board 2 8 Exit Button It ends the Maintenance Utility Before it closes it shows a dialog box to confirm whether to renew the setting when the menu settings displayed on the Engine Menu and the User Default Environment do not match When Yes is selected It writes the setting of the Menu in the EEPROM of the printer and terminates the program When No is selected It terminates the program without writing the setting of the Engine Menu in the EEPROM of the printer 3 1 OPTION MENU DIALOG It displays the Option Menu Dialog and performs functions listed on the menu Option Menu items are grouped into three categories 1 EEPROM Operation It displays and sets the Engine menu settings 2 HW Check It checks the printer hardware 3 Product set Product ID of the printer is set 4 Printer name set The corresponding type is changed Oki Page Printer Engine Maintenance OKIPAGE 6ex or OKIPAGE Ge Reset Engine Button It sets all Engine Menu including Print position and Setting except LED Head setting to factory shipment default All counter is reset to zero It has the same function as that of the Engine Reset ofthe Engine Menu Mode 3 2 3 3 3 4 3 5 3 6 EEPROM Upload Button Itreads outthe Engine Menu setting and the Counter data of the pr
98. int or test file print 2 4 1 Local Print Upon selection of button it transmits local print command to the printer Item Print Test Item Menu Status Print Menu Print Demonstration Demo Print Printer Available Font Print Font Print Change Roller Cleaning Print Charge Roller Cleaning Oki Page Printer Engine Maint Local Print Menu Status Print Demonstration Print Demo Printer Available Font Print Print Fonts Charge Roller Cleaning Print Cleaning File Print Test Print File Print File 2 4 2 Test File Print It opens the File selection Dialog box Windows API to wait for print file input by an operator Print emulation is selected depending on the suffix of the selected file XXX HBP It switches to Hiper Windows emulation and transmits data XXX PCL It switches to PCL emulation and transmits data XXX BIN It switches to PCL emulation and transmits data XXX XXX It switches to PCL emulation and transmits data 2 5 2 6 2 7 Option Button It displays the Option Menu Dialog For details refer to 3 Option Menu Dialog About Button It opens the About Dialog box to display information on the Maintenance Utility and the printer firmware Oki Page Printer Engine Maintenance Reload Button It performs the same operation as that of the program start up It reads out printer menu settings and counter values T
99. inter being connected and store the data in RAM of the PC When the data is stored in RAM of the PC EEPROM Download button becomes effective EEPROM Download Button Itsendsthe Engine Menu setting and the Counter setting data to the printer to set EEPROM when the Upload button has been clicked RAM Check Button Not supported Set ID button The destination change command and product change command are sent to the printer and the destination and product are changed to those displayed in Edit Box Printer Name Edit Box and Combo Box of Product Exit Button It terminates the Option Menu Dialog and returns to the Main Menu Dialog SETUP DIALOG The Setup Dialog is displayed upon selection of Setup in the Main Menu Dialog Environment setting language selection and printer port selection are made on the menu The figure below shows a typical Setup Dialog Oki Page Printer Engine Maintenance Engine Maintenance Utility Set Up Printer Port LPT1 3 1 Printer Language It designates printer environment setting language 2 Add Not supported It adds new printer environment setting language 3 Printer Port It designates printer port 4 Cancel The value set atthe time of the clicking of the Cancel menuis cleared It returns to the Main Menu Dialog 5 OK The values set atthe time ofthe clicking of the OK button is entered into the printer as a new setting v
100. irtual device driver that realizes HBP API function by communicating with a printer 6 3D display library CTL3DV2 DLL Library for displaying GUI three dimensionally 7 Cleaning print file CLEANING DLL When this file is sent the charge roller is cleaned D 5 MAIN MENU DIALOG When the Maintenance Utility is triggered it reads out menu setting counter data and version data to display on the Main Dialog Box to prompt operator input Maintenance items are grouped for display in the following manner 1 Engine Menu Display Set Engine Menu settings 2 Engine Counter Engine counter display initialization 8 Status Monitor Real time display of a printer status 4 Test Print Local print and test print b Reload Read out setting data from a printer 6 Option Other functions The following figure shows a Main Menu Dialog display 2 1 Engine Menu Group In the Engine Menu Group following items may be set 1 Print Position Display Print Position Setting item Correct print start position Setting range 4 00 mm 3 5 mm F W default 2 LED Head Drive Time Display 0 00 mm LED Head Marking No Setting item Adjust LED head marking time Setting range 37 505 545 F W default 155 167 3 LED Head Width OKIPAGE 6e Display LED Head Width Setting item Select number of LED Head dot numbers Setting range Full 25
101. is time the bearings of the left and right sides of the transfer roller will release themselves 3 3 13 Fusing Unit Assy 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Remove the stacker cover assy see 3 3 10 4 Remove four screws 1 and remove the fusing unit Caution Fusing unit assy may be hot Use care when handling When installing or removing the fusing unit assy tighten or loosen the screws while holding the fusing unit down with your hand Note 3 3 14 Back up Roller 1 Remove the fusing unit assy see 3 3 13 2 Liftthe left side ofthe back up roller and pull it out to the left side at this time two bushings O the bias springs and washers and will release themselves Note Do not bend or lose springs 3 3 15 Sensor Plate Inlet 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Press the clamps of three sensor plates inlet and remove the sensor plates by pressing them upward from the bottom side t o Clamp gt amp m Clamp Paper sensor i g sensor 1 gt A C QS W i i Ne N Inlet sensor 2 A IN N vi Y Ce xO 57 WN IX 3 3 16 Toner Sensor Adhesion 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Press the clamp of the toner sensor and remove the sensor by pushing it up fr
102. it from the power supply board Remove the Main Control PCB Q together with the PCB guide plate 4 disconnect the fan motor connector from the Main Control PCB Remove three screws 6 and remove the PCB guide plate 4 from the Main Control PCB Do not bend or lose ground plate 9 3 3 21 Power Supply Board and Contact Assy 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Remove the Main Control PCB see 3 3 20 4 Remove the AC inlet 1 from the inlet holder and remove the connector 3 of the transformer b Remove the screws 2 and remove the ground cable 5 6 Remove three screws and remove the power supply board and contact assy at the same time 7 Unlock two claws 8 and remove the contact assy from the power supply board Note When mounting the lower base unit be careful about the paper end sensor Do not apply excessive force to the power switch during reassembly 3 27 3 3 22 Transformer 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Remove the connectors CN1 and CN2 4 Remove the inlet 3 from the inlet holder 5 Remove two screws 1 and remove the inlet holder and the transformer 3 3 28 Cassette Guide L Remove the paper cassette Remove the upper cover see 3 3 1 Remove the lower base unit see 3 3 7 Remove the Main Control PCB
103. ller 300 V 300 V Voltage applied to developing roller 450 V 0 V Voltage applied to toner supply roller 500 V to 4 KV 750 V Voltage applied to transfer roller Variable 400 V Voltage applied to clearing roller 3 Photosensor The photosensor mounted on this power supply board monitors the paper running state during printing The sensor layout diagram is shown in Figure 2 3 Exit roller Outlet sensor Heat roller Transfer roller See AH Inlet sensor 1 Paper running direction 3 Sensor Function Paper Toner Inlet end sensor Registration roller sensor sensor 2 Hopping roller Figure 2 5 Sensing state Inlet sensor 1 Detects the leading edge of the paper and gives the supervision timing for switching from hopping operation to feeding operation Monitors paper feeding situation and paper size based on the paper arrival time and running time ON OFF Paper exists No paper exists Inlet sensor 2 Detects the form width A4 or larger Smaller than A4 Paper sensor Detects the leading portion of the paper Monitors the paper feeding situation Paper exists No paper exists Outlet sensor Mo
104. llowing errors is encountered printing can be recovered by removing the jammed paper by opening the upper cover removing the jammed paper and closing the upper cover Error Cause of error Paper input jam The paper is in contact with the inlet sensor when the power is turned on After hopping operation is attempted three times the leading edge of the paper does not reach the inlet sensor Paper feed jam The paper is in contact with at the paper sensor when the power is turned on The leading edge of the paper does not reach the paper sensor within a predetermined distance since the paper has reached the inlet sensor The trailing edge of the paper does not pass over the paper sensor within a predetermined distance after the same has passed over the inlet sensor The leading edge of paper does not reach the outlet sensor within a predeter mined distance after the paper has reached the paper sensor Paper exit jam The paper is in contact with the outlet sensor when the power is turned on The paper does not pass over the outlet sensor within a predetermined distance after the leading edge of the paper has reached the outlet sensor The paper size check for manual feeding finds that the paper size is free size Paper size error The size of the paper is monitored by the inlet sensor 1 The paper is not detected by the inlet sensor 1 within predetermined distance The inlet sensor 2 detects that the size of the loaded paper is
105. n the power is turned on Yes Is the paper on the paper sensor lever Yes Remove the paper YNo Is the operation of the paper sensor lever normal moves freely when touched No Replace the paper sensor lever Y ves Replace the power supply board Y No Has the paper reached the paper sensor lever No Is the registration roller rotating No Replace the one way clutch gear Y ves Is the image drum unit being set properly No Setthe image drum unit properly Y ves Check the hopping roller assembly or separator assy Y ves Has the paper reached the outlet sensor lever Yes Is the operation of the outlet sensor lever normal moves freely when touched No Replace the outlet sensor lever Yes Clean the outlet sensor on the power supply board or replace the power supply board Y No Is the drum motor rotating No Is connector CN2 on the Main Control PCB being connected No Connect connector CN2 properly Y ves Is the coil resistance normal resistance about 12 6 Q of the drum motor correct refer to 7 3 No Replace the drum motor v 2 a 2 b 2 2 a 2 2 b p DA T Yes Replace the Main Control PCB Yes Is the transfer roller rotating No Check the gears TR gear idle gear and reduction gear Yes Is the fuser unit being installed properly No Install the fuser unit properly Yes Is the image drum unit being set properly No Set the image drum unit properly Yes Clean t
106. ng Fine adjustment of printing start position Standard tray paper feed amount setting e Transition to the operation mode occurs upon completion of resetting e Press the Menu key to update each category The operation returns to the first category after updating the last category 1 System Maintenance Mode Menu System LCD display SYS MNT Press the Menu key PAGE CNT Press the Menu key PAGE PRT DISABLE Press the Menu key CONT PR Press the Menu key EEPR RESE ENAB HIPER W LE SIDM ENAB LE Press the Menu key Press the or key Press the Enter key gt Press the Enter key gt Press the CONTPRT On line key PRINTING After the end of processing EEPROM RESET NG HIPER W DISABLE SIDM DISABLE PAGE PRT Writing into the EEPROM is carried out ENABLE after pressing the Enter key then Recover or On line key CONT PRT CANCELED ON LINE or ON LINE HP4 Adobe PS 1 3 Engine Maintenance Mode 1 The engine maintenance mode is activated when the power is turned ON while keeping the Form Feed key and Enter key pressed down 2 This mode adopts the menu for function selection 3 The method for exit from this mode depends on the setting 4 The engine maintenance mode provides the following functions
107. ng Paper sensor i roller I I e l Toner supply l roller Outlet sensor l I 5 Cleaning roller I Y Paper out sensor 1 l i Heater drive 4 l circuit fe E Heater i AC Toner low sensor transformer Filter circuit lt E AC IN l l F l I Multi Purpose Feeder Option Registration Motor Figure 2 1 OKIPAGE 6e Block Diagram or PS Board with RAM LocalTalk I F RS422 I F 1MB Memory Board Multi Purpose Feeder Option Drum Motor Registration Motor GM EU EM For option I TRA RAM board i 1
108. ng the Enter key then On line or Recover key Range of Adjustment 2 00mm to 2 00mm 0 25mm steps 12 System Maintenance Mode 1 The system maintenance mode is set when the power is turned ON while keeping the Recover key pressed down 2 This mode adopts the menu for function selection 3 The method for exit from this mode depends on the setting 4 The system maintenance mode provides the following functions a Page count display e The total number of pages counted at the engine block is displayed on the LCD Page count printing enable disable This function allows the selection to include enable or exclude disable the total number of printed pages counted at the engine block at the time of menu printing Rolling ASCII continuous printing e The rolling ASCII pattern is printed continuously for various engine tests Press the ON LINE key to cancel this mode After the operation the power is turned off It will not go to operation mode or any maintenance mode automatically EEPROM reset e All EEPROM areas including Menu level 2 are reset to the factory default values e The following items are excluded Engine maintenance items REVISIONS as well as factory user setting Transition to the operation mode occurs completion of resetting Switching of valid or invalid of HIPER W emulation Switching of valid or invalid of SIDM emulation e The following items are excluded Head drive time setti
109. nitors the paper feeding and size according to the time of arrival to and leaving past the sensor Paper exists No paper exists Paper end sensor Detects the end of the paper Paper exists No paper exists Toner low sensor Detects the lack of toner 2 5 Electrophotographic Process 2 5 1 Electrophotographic Process Mechanism This mechanism actuates the printing of image data supplied by the control board on the paper by electrophotographic process The layout of the electrophotographic process mechanism is shown in Figure 2 6 9 2 eun6i4 Heat roller LED head nn i Toner cartridge Fject roller assy TUR Developing roller Image drum unit Outlet sensor lever Back up roller Registration Hopping roller Cleaning roller Paper cassette roller Inlet sensor lever Transfer roller Paper sensor lever Image Drum Unit The image drum unit consists of a sensitive drum a charger and a developer The unit forms a toner image on the sensitive drum using a electrostatic latent image formed by the LED head Registration Motor The registration motor is a pulse motor of 48 steps rotation that is two phase excited by the signal from the Main Control PCB It drives the hopping and registration rollers via two one way clutches according to the direction of rotation Drum Motor The drum motor is a pulse motor of 48 steps rotation that is two phase excited by the signal from the Main Cont
110. nter unit Upper cover Stacker 3 3 2 3 3 1 r LED head 3 3 3 r Eject roller assy 3 3 4 Pulse motor Hopping 3 3 5 r Pulse motor Resist 3 3 6 Lower base unit Motor assy 3 3 8 3 3 7 Hopping roller assy 3 3 9 Stacker cover assy 3 3 10 Resist roller 3 3 11 Transfer roller 3 3 12 Fusing unit assy 3 3 13 F Back up roller 3 3 14 Sensor plate inlet 3 3 15 Toner sensor 3 3 16 Sensor plate outlet 3 3 17 Manual feed guide assy 3 3 18 Sensor plate Paper supply 3 3 19 F Main control PCB 3 3 20 r Power supply board and contact assy 3 3 21 Transformer 3 3 22 F Cassette guide L 3 3 23 Cassette guide R 3 3 24 3 3 1 Upper Cover 1 With the power switch turned off unplug the AC power cord from the outlet Disconnect the interface cable 1 Remove the option board 4 if it is mounted Lift the left side of the operator panel assy or logo frame Y and remove it Disconnect the flexible cable from the connector CN1 of the operator panel PCB and put the cable inside the cover OKIPAGE 6ex only Open the stacker cover assy by pressing the knobs 8 on the left and right sides Remove the image drum unit Remove two screws 1 and open the manual feed guide assy Lift the front of the upper cover B up and release the claws at two locations on the
111. ol PCB 3 Remove two screws and remove the pulse motor main from the motor bracket OKIPAGE 6ex OKIPAGE 6e 3 3 6 Pulse Motor Registration 1 Remove the upper cover see 3 3 1 2 Remove the connector 3 from CN3 of the Main Control PCB 3 Remove two screws and remove the pulse motor registration from the motor bracket OKIPAGE 6e CN3 OKIPAGE 6ex Lower Base Unit 3 3 7 2 Remove the connecting cables and of the pulse motor from the connectors 2 and 3 1 Remove the upper cover see 3 3 1 of the Main Control PCB of the LED head from the Main Control PCB 3 Remove the connector OKIPAGE 6e 1 connector OKIPAGE 6ex 2 connectors 4 Remove seven screws 7 then remove the lower base unit 13 Motor Assy 3 3 8 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Stand the lower base unit on its side as shown and unlock two clamp levers then remove the motor assy Q Idle gear Clamp lever SS NN A SS 7 XT Yo Nas i AMAN EN V D EAS ZUR NU Bs 14 Hopping Roller Assy 3 3 9 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Remove the motor assy see 3 3 8 4 With the lower base unit 1 standing on its side remove the one way clutch gear and the
112. om the bottom t Clamp m Clamp 3 3 17 Sensor Plate Outlet 1 Remove the upper cover see 3 3 1 2 Remove the eject roller assy see 3 3 4 8 Remove the lower base unit see 3 3 7 4 Remove the fusing unit assy see 3 3 13 5 Press the clamp of the sensor plates outlet and remove the sensor plate by pushing it up from the bottom SS Sv WY 3 3 18 Manual Feed Guide Assy 1 Remove the upper cover see 3 3 1 2 Open the manual feed guide assy and release the engagement on both sides with the main unit by carefully bending the manual feed guide assy Note Atthe time of mounting verify the proper the engagements as shown in the diagram Put into the groove 3 3 19 Sensor Plate Paper Supply 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 7 3 Press the clamp of the sensor plate paper supply and remove it from the base plate 2 4 o gt 3 3 20 Main Control PCB Note Whenreplacing the Main Control PCB the contents of the EEPROM shall be copied to the new PCB This process requires a maintenance utility See 4 3 1 4 and 4 3 2 for details The Main Control PCB is different for each model OKIPAGE 6e L5C or L5D OKIPAGE 6ex L6A Remove the upper cover see 3 3 1 Remove the lower base unit see 3 3 8 Remove two screws 1 Move the Main Control PCB in the direction of arrow A to disconnect
113. optional RAM check Check the optional RAM board for proper connection Check the mounting position of short plugs and additional RAM chips See 7 4 Replace the optional RAM board FAN Motor Error A fault occured in the fan motor Check the fan motor for proper connection and for any presence of foreign matter in the fan See 6 5 2 6 Replace the fan motor or the Main Control PCB Fuser Error A fault occured in the fusing unit Timeout error etc See 6 5 2 4 Thermistor Open Check Error A fault occured in the fusing unit Thermistor open check error See 6 5 2 4 Thermistor Short Check Error A fault occured in the fusing unit Thermistor short check error See 6 5 2 SSIO Interface Error Power supply board SSIO I F error Replace the power supply board or the Main Control PCB Category PC display status message Table 6 1 Cont d Trouble or status Remedy Controller errors Second Tray Timeout Error I F timeout occured between the Main Control Board and the 2nd Tray Check the 2nd tray for proper connection Multipurpose Feeder Timeout Error I F timeout occured between the Main Control Board and the multi feeder Check the multi feeder for proper connection Watch Dog Timeout Error A watch dog timeout occured Turn the power off then back on to recover from the error Replace the Main Control PCB W
114. p which heats the heat roller A thermistor which is in contact with the heater roller regulates the temperature of the heater roller at a predetermined level about 165 C A safety thermostat cuts voltage supply to the heater off by opening the thermostat in the event of abnormal temperature rises The back up roller is held under a pressure of 3 8 kg applied by the pressure spring on each side Heater roller f Heater Separation claw Thermistor Back up roller Pressure spring 7 Cleaning When the transfer is completed the residual toner left on the image drum is attracted to the cleaning roller temporarily by static electricity and the image drum surface is cleaned Image drum Power supply Ra Transfer roller 8 Cleaning of rollers The charge transfer and cleaning rollers are cleaned for the following cases e Warming up when the power is turned on Warming up after the opening and closing of the cover Whenthe number of sheets accumulated reaches 10 or more and the printout operation ends Userinitiated Changes in bias voltage applied to each roller moves the attaching toner off the roller to the image drum and returns it to the developer 2 6 X Paper Jam Detection The paper jam detection function monitors the paper condition when the power is turned on and during printing When any of the following conditions arises this function interrupts the printing process If any of the fo
115. print image Developing and toner recovery When the negatively charged toner is brought into contact with the image drum it is attracted to the electrostatic latent image by static electricity making the image visible At the same time the residual toner on the image drum is attracted to the developing roller by static electricity Transfer When paper is placed over the image drum surface the positive charge which is opposite in polarity to that of the toner is applied to the reverse side by the transfer roller The toner is attracted by the positive charge and is transferred onto the paper This results in the transfer of the toner image formed on the image drum onto the paper Temporary cleaning Residual toner which remains on the image drum without being transferred is evened out by the cleaning roller and is temporarily attracted to the cleaning roller by static electricity Fusing The toner image transferred onto the paper is fused to the paper by heat and pressure An electrophotographic process timing chart is shown in Figure 2 8 vl lt 2 2 am Paper eject roller Paper Image data eject Face down j Power LED head supply Charger roller Paper y So j supply dl Power Exposure Doctor Bias voltage Toner supply blade
116. rol PCB and is the main motor of this mechanism LED Head Image data for each dot line from the control board is received by the shift register and latch register The 2496 LED s OKIPAGE 66 4992 LED s OKIPAGE 6ex are driven to radiate the image data on the image drum Fuser The fuser consists of a heater a heat roller a thermistor and a thermostat The AC voltage from the power supply board is applied to the heater controlled by the HEATON signal from the control board This AC voltage heats the heater The Main Control PCB monitors the heat roller temperature via the thermistor and regulates the heater roller to a predetermined temperature 165 C by connecting or disconnecting the AC voltage supply to the heater When an abnormal rise of the heater roller temperature takes place the thermostat of the heater voltage supply circuit becomes active and forcibly cuts the AC voltage supply 2 5 2 Electrophotographic Process The electrophotographic processing is outlined below The electrophotographic printing process is shown in Figure 2 7 D Charging The surface of the image drum is charged uniformly with a negative charge by applying the negative voltage to the charge roller Exposure Lightemitted from the LED head irradiates the negatively charged surface ofthe image drum The surface potential of the irradiated portion of the image drum surface becomes lower forming the electrostatic latent image associated with the
117. s 8 Mbytes 8 Mbytes 11 Mbytes 16 Mbytes 18 Mbytes 16 Mbytes 19 Mbytes 32 Mbytes 35 Mbytes Remark With OKIPAGE 6e only 3 4 of 2 Mbytes or 8 Mbytes SIMM capacity is actually effective 1 5 Mbytes and 6 Mbytes respectively 8 PARTS LIST PARTS LIST 8 OKIPAGE Ge OKIPAGE 6ex Figure 8 1 Lower Base Unit Name Rating Table 8 1 Lower Base Unit Part No Remarks Hopping roller shaft 3PP4083 6020P1 Er Hopping roller rubber F 4PB4122 1280P1 Bearing 4PP4083 6022P2 Hopping roller cloutch gear 4PB4083 6024P1 Registration roller 3PB4083 6030P1 Bearing Registration 4PP4083 6031P1 Transfer roller A 3YB4083 7640P3 Bearing C 3PP4083 6289P1 TR Gear A 3PP4083 6290P1 Back up roller 3PB4083 6064P2 Bias spring B 4PP4083 7620P1 Back up roller bushing 4PP4083 6052P1 Reset lever L 3PP4083 6053P1 Reset lever R 3PP4083 6054P1 Cover open arm 3PP4083 6058P1 Stacker cover reset spring 4PP4083 6057P1 Fuser roller idle gear 4PP4083 6080P1 Eject roller idle gear 4PP4083 6081P1 Sensor plate Inlet paper 4PP4083 6083P1 Sensor plate Outlet 4PA4083 6025G1 Toner sensor Adhesion 4PP4083 6086G1 Diselectrification bar shaft 4PB4083 6979P1 Diselectrification film 3PB4083 6089P1 Pulse motor A 4PB4076 6150P1
118. s End Y No Is the LED head being installed properly check CNA connector on the Main Control PCB and PC connector on the LED head No Install the LED head properly Y Yes Replace the LED head Has the problem been removed Yes End Note After replacing the LED head set the printer in the engine maintenance mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time see 4 2 Y Yes Replace the image drum unit Has the problem been removed Yes End Note After replacing the image drum unit set the printer in the user maintenance mode by turning the power on while pressing the MENU key Reset the drum counter see User s Manual Y No Replace the Main Control PCB or power supply board Figure 6 4 Contact plate for transfer roller Contact Power supply board Figure 6 5 7 WIRING DIAGRAM WIRING DIAGRAM T Interconnect Signal Diagram 7 1 J9UIJO SUBJ VEG A0Sc VSL ASCL d uo vina a vsnosz VED ASZL MOEZ A0ZL Assy Buney asn4 kemon VT T 7 l8je9H OL i i eh J9 e9H 1 1 emS m BE w and d ed dd NOLV3H Weg AA Tesowuau 1 1 iech py
119. ssed at the same time the power is turned on e After executing a factory user setting operation set the EEPROM areas which are for other than the engine block to the factory default values Note 1 Atthe time of shipment from the factory settings corresponding to the destination are made at the factory Appendix D MAINTENANCE UTILITY OVERVIEW 1 1 1 1 2 OVERVIEW A Maintenance Utility for the OKI LED printers hereinafter referred to as the Maintenance Utility is an application program that runs on the Microsoft Windows 3 1 and Windows 95 Itis a software designed to set various settings such as printer engine menu counter initialization etc by sending environment setting command selected by the operator Environment setting languages transmitted is OPEL Oki Print Environment Language and PJL The printer supported by this utility is as shown below e OKIPAGE4W e OL610e 610ex e OKIPAGE6e e OL600e 600ex OL400W e OKIPAGE6ex Purpose of the Maintenance Utility The Maintenance Utility is an application program which is essentially a collection of command transmission reception functions for factory setting at the time of shipment from the factory and for maintenance works performed by maintenance engineer at customers premises The Maintenance Ultility is designed to be used only by service personnel and it should not be released to the end users Maintenance Utility Functions Functions supported by the Maintenanc
120. t Assembly Paper Cassette Paper Hold Font Cover Figure 1 1 External View and Component Names 2 1 2 2 MECHANISM DESCRIPTION General Mechanicsm The High Capacity Second Paper Feeder feeds the paper into the printer by receiving the signal from the printer which drives the pulse motor inside the High Capacity Second Paper Feeder This motion is converyed to rotate the One way clutch of the hopping shaft assembly The paper is delivered from the hopper into the printer through the turning of the hopping shaft assembly Once delivered into the printer the paper is then controlled and fed through by pulse motor Registration of the printer Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time When the paper is loaded in the paper cassette it is then transported by the pulse motor Bias Roller Hopping Roller Hopping Roller Back up Roller Pulse Motor Transfer Roller One way Clutch Gear 3 1 PARTS REPLACEMENT This section covers the procedures for the assembly disassembly and installations in the field This section describes the disassembly procedures and for assembly procedures basically proceed with the disassembly procedures in the reverse order Precautions Concerning Parts Replacement 1 Parts replacements must be carried out by first turning the printer power switch off O and removing the High Capacity Second Paper F
121. tal Drum Count It displays the total number of drum revolution of the printer counted at the engine block 3 Page Count It displays the total number of pages printed after shipment 4 Reset Upon clicking of the Reset button the Message Box is displayed to confirm operator s intention to reset the counter Upon further clicking it sends all counter reset command to clear data Caution When page count exceeds 500 pages the Reset button is disabled and it can not be reset Reset All al Resetting all counters by clicking of the button Upon clicking of the Reset All button the Message Box is displayed to confirm operator s intention to reset the counter Upon further clicking it sends all counter reset command to clear data 2 3 Status Monitor It monitors the printer status and displays the status in real time For display messages refer to the table below Normal Status Status Message Initializing Initializing On Line Ready Off Line Ready Data Exist Data Exist Power save mode Ready Power Saving Print demo Printing Demo Print menu Printing Menu Print fonts Warning Status Printing Fonts Message Toner low Ready Toner Low Toner Sensor problem Ready Toner Sensor Problem Change drum Ready Change Drum Unit Raster buffer error Real Time Status Status Resident Raster Buffer Check Error Message
122. ter see User s Manual Y No Replace the control board or power supply board Dark background density Has the image drum been exposed to external light Yes Mount the image drum in the printer and wait about 30 minutes Y No Is the heat roller of the fusing unit dirty Yes Clean the heat roller Y No Is the contact of the cleaning roller of the image drum unit in contact with the contact assembly properly see Fig 6 4 No Adjust the contact of the cleaning roller to make a proper contact with the contact assembly v e Yes Replace the image drum unit Has the problem been removed Yes End Note After replacing the image drum unit set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see User s Manual Y No Replace the Main Control PCB or power supply board Blank paper is output r Is the LED head being connected properly check connector CN4 OKIPAGE 66 or HEAD1 HEAD2 OKIPAGE 6ex on the Main Control PCB and PC connector on the LED head e No Connect the LED head properly or replace the head cable Y ves Is the contact of the image drum unit in proper contact with the ground contact properly see Fig 6 4 D No Check the ground contact of the image drum unit Y ves Replace the LED head Has the problem been removed Yes End Note After replacing the LED head set the printer in the engine mainte nance
123. the error Replace the Main Control PCB 91 Invalid CPU was used Check valid CPU list Cover open The upper cover was opened Close the cover to release the error display If the display does not change after this procedure replace the power supply board Jam errors A jam occurred during paper Check the paper in the cassette hopping from the tray being Open and then close the cover displayed When the cover is closed recovery printing is carried out tray TRAY 1 TRAY 2 FEEDER and the error display is released If this error occurs frequently see 6 5 2 5 1 tray INPUTJAM 6 14 Category LCD status message Table 6 2 Cont d Trouble or status Remedy Jam errors tray FEED JAM A jam occurred during paper feeding after completion of paper hopping from the tray being displayed tray TRAY 1 TRAY 2 FEEDER Open the cover remove the paper then close the cover When the cover is closed recovery printing is carried out and the error display is released If this error occurs frequently see 6 5 2 2 2 PAPER EXIT JAM Jam occurred during paper ejecting Open the cover remove the paper then close the cover When the cover is closed recovery printing is carried out and the error display is released If this error occurs frequently see 6 5 2 2 3 Paper size error
124. ting as in the starting up of an application software canbe made lt reads out the settings of the printer being connected It is used to change the printer while running the same application program on the PC 8 About Button It displays information on the Maintenance Utility and the printer firmware Oki Page Printer Engine Maintenance Figure 4 6 9 Exit Button It ends the Maintenance Utility 2 10 Setup Dialog The Setup Dialog is displayed when Setup is selected from the system menu items on the Main Menu Dialog In the Setup Dialog selection of printer languages and printer port is available Oki Page Printer Engine Maintenance Figure 4 7 1 Printer Port For selecting a printer port 2 Cancel For canceling the setting and returning to the Main Menu Dialog 3 OK For initializing the settings to reflect all the settings in the menu 4 2 4 2 1 Adjustment OKIPAGE 6ex This chapter describes the adjustment necessary when replacing a part The adjustment is made by changing the parameter value set in EEPROM on the Main Control PCB The parameter can be set by the key operation from the operator panel This printer has three kinds of maintenance modes and it is necessary to select one of the modes when replacing a part Maintenance Modes and Functions D User Maintenance Mode This mode is being released to end users but it is rarely accessed To enter into the user maintenance
125. uired for the replacement of printed circuit boards and units in the field Table 3 1 Service Tools Service tools Place of use Remarks No 1 100 Philips 2 2 5 mm screws screwdriver No 2 100 Philips 3 5 mm screws screwdriver NO 3 100 screwdriver NO 5 200 screwdriver Digital multimeter Pliers Handy cleaner 3 2 Parts Layout This section describes the layout of the main components Upper Frame BN Stepping Motor Link Roller A Roller B Separator Figure 3 1 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below Multi Purpose Feeder Link 3 3 1 Separator 3 3 2 I OLEV 11 PCB 3 3 3 1 Stepping motor 3 3 4 m Planet gear 3 3 5 Roller A 3 3 6 3 3 1 Link 1 Open paper feed cover 1 and disengage the paper feed cover 1 and Link while lifting the paper hold 2 2 Remove the paper hold 2 off the arm 4 3 Disengage the link from the arm 2 and remove it Be careful not to damage the link and arm 3 3 2 Separator 1 Turn the power switch off O and remove the connector cord 2 Disengage the link and paper feeder cover see 3 3 1 3 Remove the 2 screws 1 disengage the locks at 2 locations on the upper frame 2 with a screwdriver an
126. ult value The menu is automatically reset by clicking Menu Reset button c Charge roller cleaning For cleaning a charge roller of the Image drum unit It is used when print quality is deteriorated For details refer to the user s manual 4 1 Maintenance utility Maintenance utility has following functions 1 2 3 4 5 6 Engine Menu For setting the engine menu Engine Counter Reset For resetting the engine counter Status Monitor For real time display of the printer status Test print For local print or test print Reload For reading out the printer setting information Option Other functions Fig 4 2 shows the Main Menu Dialog Figure 4 2 4 2 2 1 Engine Menu The following functions can be set in the Engine Menu 1 Print Position For adjusting print start position LED Head Marking No For adjusting LED Head marking duration LED Head Width For stipulating number of LED dots Optical head The mounting head type is set Head type The adjustment method for the adjustment head for 600 DPI is set Page PRT Valid or invalid of page count print of menu print is set Wait table The standby temperature 150 C or 135 C is set Setting For adjusting transfer current value Enter For entering the value newly set by the menu 10 Cancel For canceling the value not yet entered 2 Engine Counter The following functions can be set in th
127. und for LED 3 C Ground for LED 4 C Ground for LED 5 C Ground for LED 6 C Ground for LED 7 0 5V power supply for LED driving 8 0 5V power supply for LED driving 9 0 5V power supply for LED driving 10 0 5V power supply for LED driving 11 0 5V power supply for LED driving 12 0 5V power supply for LED driving CN6 Pin Assignment To Option feeder Signal Description 5 8 OPTPSIN N Paper sense 1 2 7 SPTSCLK N Clock 1 4 OPTSDR N Data 3 6 OPRSDR N OPT send data ready OVP Analog groud 30V 30V power supply ov Logic gound 5V 5V power supply POWER Pin Assignment To power supply sensor board Signal Description Signal Description 2 TRSEL1 TR control switch SQCR N Sequence clear signal of serial I F 4 THERM CMP Heater temperature SCLK N Clock signal of serial I F 6 CVOPN N Cover open 30V PSIN1 Paper sense 8 DOUT P Serial data output WRSNS Reading of paper edge 10 DIN Serial data input OVL Ground for logic 12 5V Logic circuit supply voltage 5V Logic circuit supply voltage 14 5V Logic circuit supply voltage 5V Logic circuit supply voltage 16 OVL Logic ground OVL Logic ground Li H Ee EI Ee 20 HEATON N Heater on TRSEL2 TR control switch 22 8V rs OVP Power ground 24 RS232C line voltage OVP Power ground 26 TRSEL3 TR control switch OVP Power ground 0 Out I In C Common
128. vice Tools Place of use Remarks No 1 100 Philips 2 2 5 mm screws screwdriver No 2 100 Philips 3 5 mm screws screwdriver No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers LED Head cleaner Cleans LED head Maintenance Utility Parts Number Adjustment of a OKIPAGE 66 4YA4046 172261 printer etc OKIPAGE 6ex 3 2 Parts Layout This section describes the layout of main parts of the equipment Lower base unit Stacker cover assy Pulse motor main View A Diselectrification bar E Transfer roller P uM T Be x ADS e p S A X Pulse motor registration Fusing unit Eject roller assy Back up roller gt Manual feed guide assy Lower base Stacker cover assy Image drum unit consumable Hopping roller shaft assy Figure 3 1 Upper cover unit Figure 3 2 Base unit RAM board e LQME PCB OKIPAGE 6e OKIPAGE6ex LN DC fan assy Na N d e De E EN G SS u odi Ba b Main Control PCB EE P L5C or L5D OKIPAGE 6e ic EE e LGA OKIPAGE Gex d Ka Transformer Figure 3 3 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 6 with white letters are RSPL parts Pri
129. y pressing key menu setting mode is completed and the printer returns to ON LINE state way i OFF LINE HPA Keep TE key down for more than 2 seconds and bring the printer into menu setting MENU 1 mode level 2 Next press TERS key 4 times MN PARALLEL I F is displayed on the LCD may i PARALLEL Sor 3 ENTER Press Carles Key Item I PRIME Ready E Contents of Display Function PRIME signal ignored I on I PRIME signal effective Factory Setting OFF U Press uan key EN may ON LINE co i HP4 Setting completed Appendix B LOCALTALK RS422 SERIAL INTERFACE 1 Connector Printer side 8 pin mini DIN receptacle Type TCS7187 01 201 made by HOSHIDEN or equivalent Cable side 8 pin mini DIN plug Type TCP7180 01 110 made by HOSHIDEN or equivalent 2 Cable To be shielded cable Cable length LocalTalk Defined max length 1 000 ft 305 m It is the maximum length for a LocalTalk network Recommended max length 10 ft 3 m For noise prevention RS422 6 ft 1 8 m max 3 Interface signal Signal Name Abfreviation Signal Direction Description Not used Sync signal Not used Transmit data minus Transmit data minus polarity Signal ground Signal ground Receive data minus Receive data minus polarity Transmit data plus Transmit data plus polarity z Not used Receive d
130. yphen in the table represent no check is done Paper Length List Check range Paper length Min Max 297 0 252 0 LEGAL 13 LEGAL 14 EXEC A6 Monarch COM 9 DL C5 Unit mm 2 7 Cover Open When the stacker cover is opened the cover open microswitch on the power sensor board is turned off to cut 5V supply to the high voltage power supply circuit This results in the interruption of all high voltage outputs At the same time the CVOPN signal is sent to the control board to notify that the microswitch is off and the control board carries out the cover open process 2 8 Toner Low Detection Device The Toner Low Detection device consists of a stirring gear which rotates at a constant rate a stirring bar and a magnet on the stirring bar The stirring bar rotation is driven by the link to the protrusion in the stirring gear SG Magnet Stirring Bar Operation O Protrusion Stirring Gear Toner Low is detected by monitoring the time interval of the encounter of the magnet set on the sensor lever and the magnet on the stirring bar Operation during Toner Full state The stirring bar is rotated due to the mechani cal transmission of energy originating from the interlocking with the stirring gear Even when the magnet on the stirring bar reaches the maximum height the stirring baris pushed bythe stirring ge

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