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High Voltage Power
Supply board P6L

Base plate assy

Power supply unit

Main control board

[Base Plate Unit](OKIPAGE 8w)

Figure 3-3-2

Содержание Okipage 8p

Страница 1: ...All specifications are subject to change without notice OKIPAGE 8p 8 LED Page Printer Maintenance Manual ODA OEL INT XXXXXXXXTH Rev 2 1997 11 12...

Страница 2: ...al describes the field maintenance methods for 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 operat...

Страница 3: ...2 22 2 9 Detecting ID existence 2 23 3 PARTS REPLACEMENT 3 1 3 1 Precautions for Parts Replacement 3 1 3 2 Parts Layout 3 3 3 3 Replacing Parts 3 7 3 3 1 Hopper Plate 3 7 3 3 2 LED Head and Head Spri...

Страница 4: ...ing Image Problems 6 1 6 3 Notes When Correcting Image Problems 6 1 6 4 Preparation Before Troubleshooting 6 1 6 5 Troubleshooting 6 3 6 5 1 Status Monitor Message List 6 3 6 5 2 Status Message Troubl...

Страница 5: ...1 CONFIGURATION...

Страница 6: ...ltage Power Supply Board Sub High Voltage PowerSupply Board Power Supply Unit Main Control Board 4MB Memory Expansion Board OKIPAGE 8p Only Figure 1 1 1 CONFIGURATION 1 1 System Configuration The OKIP...

Страница 7: ...P6L High voltage Power Supply Board P2H 1 2 Printer Configuration The printer unit consists of the following five hardware components Electro Photographic Processor Paper Feeder Main Control Board Hi...

Страница 8: ...1 3 1 3 Option OKIPAGE 8p Only 1 4MB N4A PCB Option Memory Board...

Страница 9: ...215 9 mm Thickness Automatic feed 16 to 28 lbs 60 to 105 g m2 Manual feed Label Envelope OHPpaper transpar ency 6 Printing speed First print 23 seconds A4 after warm up Continuous print 4 sheets minu...

Страница 10: ...dity No condensation is permissible Humidity Caution Temperature and humidity in storage are measured with the OKIPAGE 8p 8w being packed they are valid for one year 13 Noise During operation 48 dB A...

Страница 11: ...d to the following location of the OKIPAGE 4w Plus 1 5 2 Warning Label Warning labels are affixed to the locations that may cause bodily injury During maintenance do work with enough care while follow...

Страница 12: ...2 OPERATION DESCRIPTION...

Страница 13: ...ce and sequentially stores it in memory The OKIPAGE 8p 8w decodes and edits the received data while storing print data from the interface in memory It sequentially transfers the edited data to the LED...

Страница 14: ...or 5 Serial i f Data Bus x 16 Address Bus CENT LS07 26V 5V 0V 0VP POWER HIVOL HIVOL2 HC244 LSI LC26023A RST OSC 7MHz OSC 10MHz M ROM 4M x 16 Mask ROM 8MB PCL6 OPTION DRAM 1M x 16 Power Supply Unit Hig...

Страница 15: ...One chip CPU OKIPAGE 8p The one chip CPU is a custom CPU 32 bit internal bus 16 bit external bus 28 MHz clock This CPU has the functions listed in the table below OKIPAGE 8w The one chip CPU is a cust...

Страница 16: ...in 1 above is valid the EPROM is not mounted For details on short wiring setting see Section 7 2 3 DRAM DRAM is used as resident memory 4 EEPROM EEPROM holds the following data Menu data Counter value...

Страница 17: ...plied to a transfer roller 2 2 Power Supply Unit The power supply unit supplies 5 V and 26 V to the main control board according to 230 VAC 120 VAC The power supply unit also contains a heater drive c...

Страница 18: ...ts Monitors whether paper was inserted into the manual feed sensor section Detects the leading part of the paper Monitors paper feeding Monitors paper feeding and the paper size according to the paper...

Страница 19: ...wing of the electro photographic processor 1 Image drum unit The image drum unit makes a toner adhere to the formed electrostatic latent image with static electricity This electrostatic latent image i...

Страница 20: ...OFF ON 26 50 Outlet sensor Cleaning roller 9 000 Charge roller 9 000 6 77 LED head Drum roller 16 000 Developing roller 14 000 17 23 12 72 23 18 20 32 64 60 Single tray Transfer roller 15 000 Hopping...

Страница 21: ...drum gear hopping roller is shown in the table below and on the subsequent pages 4 LED head The shift and latch registers receive image data from the main control board for each dot line 4 992 LEDs a...

Страница 22: ...tor Main 1 Motor to be driven by normal rotation of pulse motor main Roller control by pulse motor main 1 Normal rotation of pulse motor main Drum roller transfer roller cleaning roller CH roller deve...

Страница 23: ...esion causes the electrostatic latent image to change to a visible image At the same time the residual toner on the OPC drum is attracted to the developing rollerby static electricity 4 Transfer When...

Страница 24: ...er supply Charge roller Power supply Transfer roller Cleaning roller Paper eject roller Outlet sensor Power supply Feed roller Hopping roller Heat roller Back up roller Power supply Developing roller...

Страница 25: ...s ON When the clutch is on the hopping gear engages with the clutch plate to rotate the hopping roller When the clutch is off the hopping gear is separated from the clutch plate by the spring for rese...

Страница 26: ...ear Rotate the pulse motor main in the a direction The planetary gear rotates in the a direction dislocatingitspositioninthea direction Thiscausestheplanetarygeartobeseparatedfrom gear A The hopping g...

Страница 27: ...harging is performed by applying DC voltage to the charge roller that is in contact with the surface of the OPC drum 4 Exposure Light emitted from the LED head irradiates the negatively charged surfac...

Страница 28: ...ic latent image to be changed to a visible image 5 Development The electrostatic latent image on the surface of the OPC drum is changed to a visible toner image by applying a toner to it Development i...

Страница 29: ...rge of a toner is applied from the reverse side by the transfer roller When a high negative voltage is applied from the power supply to the transfer roller the positive charge induced on the surface o...

Страница 30: ...eater Halogen lamp that heats the heat roller The thermistor on the surface of the heat roller keeps the temperature of the heat roller constant A thermostat is also installed for safety If temperatur...

Страница 31: ...the paper sensor Paper outlet jam The trailing part of the paper does not pass the outlet sensor within L mm after the leading part of the paper has passed the outlet sensor 2 52 64 mm L 15 77 400 6 m...

Страница 32: ...otation OFF ON Pulse motor main Electromagnetic clutch OFF ON Manual feed sensor OFF ON Paper sensor OFF ON Operation mode Warm up Paper feed Printing Outlet sensor Normal rotation Timing Chart for Pa...

Страница 33: ...es twice Toner Low is released This state is monitored at a cycle of 40 milliseconds c When the toner sensor does not change over two cycles T x 2 the toner sensor alarm state occurs d After the EP un...

Страница 34: ...board to suspend 5 V supply to the high voltage power supply This results in the stop of all high voltage outputs At the same time the CVOPN signal is issued to notify the main control board of the s...

Страница 35: ...over no installed ID shall be judged stopping Warming Up motion to shift the machine mode to light malfunction But this error can be recovered by cover open and close operation after installing ID The...

Страница 36: ...shall be made at cover open or close POWER ON Abnormal toner sensor waveform ID not Installed displayed informed Status_A Status_B Normal printing Abnormal toner sensor waveform Normal toner sensor w...

Страница 37: ...8 8 8 8 8 8 8 8 6 6 6 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 8 Note1 An envelop will be forcefully set to 6 PPM for manual feeding narrow in width thick paper regardless of feeding tray a...

Страница 38: ...3 PARTS REPLACEMENT...

Страница 39: ...o reconnect the printer in the following procedures i Connect the AC cord and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on the POWER switch of the print...

Страница 40: ...crewdriver Q ty Use Remarks Maintenance Tools 1 2 3 4 5 6 7 No 2 100 Philips screwdriver No 3 100 Philips screwdriver No 5 200 screwdriver Digital multimeter tester Pliers Handy cleaner 1 1 1 1 1 1 1...

Страница 41: ...3 3 3 2 Parts Layout This section explains the layout of main parts Upper Cover Assy Figure 3 1 Hopper plate Guide side R Guide side L Spur gear A Upper cover...

Страница 42: ...assy Side plate M Registration roller Heat assy Idle gear heat Paper holder Paper guide R Transfer roller Pressure roller B Back up roller Top cover assy LED head Flat cable assy Head spring Paper gui...

Страница 43: ...3 5 Base Plate Unit OKIPAGE 8p Figure 3 3 1 High Voltage Power Supply board P6L Base plate assy Power supply unit Main control board...

Страница 44: ...3 6 High Voltage Power Supply board P6L Base plate assy Power supply unit Main control board Base Plate Unit OKIPAGE 8w Figure 3 3 2...

Страница 45: ...3 7 3 3 Replacing Parts This section explains how to replace parts and assemblies 3 3 1 Hopper Plate 1 Remove two claws and dismount hopper plate 1 1...

Страница 46: ...3 8 3 3 2 LED Head and Head Spring 1 Open top cover assy 1 2 Dismount the left clamp and LED head 2 Then dismount flat cable assy 3 3 Dismount two head springs 4 2 1 4 4 3...

Страница 47: ...3 9 3 3 3 Transfer Roller 1 Open top cover assy 1 and dismount EP unit Type 6 2 2 Remove the right claw Then dismount transfer roller 3 two regist bearings 4 and gear T5 1 2 3 4 4 5 Label...

Страница 48: ...cable 1 3 Open top cover assy 2 and dismount EP unit Type 6 3 4 Move paper guide L 4 and paper guide R 5 on the rear of the printer to the center 5 Remove two front claws of upper cover assy 6 and li...

Страница 49: ...Disconnect all the cables 4 from high voltage power supply board 3 and dismount high voltage power supply board 3 Caution Note the following when assembling the high voltage power supply board Mount...

Страница 50: ...Section 3 3 4 2 Dismount the LED head See Section 3 3 2 3 Press the left clamp outward and dismount the engagement and top cover assy 1 Tension spring 2 also comes off at the same time 4 Disconnect c...

Страница 51: ...unt the upper cover assy See Section 3 3 4 2 Dismount paper holder 1 3 Unlock and dismount paper guide L 2 and paper guide R 3 4 Remove the claw and dismount hopper spring 4 5 Remove the claw and dism...

Страница 52: ...o that side plate M will face upward 1 Dismount the upper cover assy See Section 3 3 4 2 Remove two screws 1 and two claws then dismount plate side M2 3 Dismount earth plate 3 two idle gears P 4 idle...

Страница 53: ...eat separator D 5 Remove screw 4 and dismount terminal plate 6 Handle heat assy 3 carefully because Halogen lamp 7 comes off 6 Turn left and right heat bearings 8 in the arrow direction to unlock Then...

Страница 54: ...3 16 1 2 1 3...

Страница 55: ...3 17 7 9 8 8 C 5 A B 0 6 D D 4 Voltage display side...

Страница 56: ...r assy See Section 3 3 4 2 Dismount top cover assy See Section 3 3 6 3 Remove two screws 1 from heat assy Section3 3 9 life the heat assy and dismount idle gear E A 2 and idle gear E B 3 4 Unlock and...

Страница 57: ...ee Section 3 3 4 2 Dismount the high voltage power supply board See Section 3 3 5 3 Dismount the heat assy See Section 3 3 9 4 Dismount the engagement with the left ground then pressure roller B1 Two...

Страница 58: ...rame 3 remove the inlet claw from base frame 8 and dismount inlet 2 5 Disconnect three cables 4 and connector A and dismount base frame 3 Then remove screw 0 Disconnecting connector A B Dismount conne...

Страница 59: ...3 21 1 1 3 1 1 2 6 8 9 4 A 4 4 B B A 7 Dismount Inlet Disconnecting Connector Disconnecting Connector Screw driver Screw driver Clamp lever CN2 OKIPAGE 8p...

Страница 60: ...3 22 1 1 3 1 1 2 6 8 9 4 A 4 4 B B A Dismount Inlet Disconnecting Connector Disconnecting Connector Screw driver Screw driver Clamp lever CN2 OKIPAGE 8w...

Страница 61: ...upper cover assy See Section 3 3 4 2 Dismount the high voltage power supply board See Section 3 3 5 3 Dismount side plate M See Section 3 3 8 4 Dismount the base frame See Section 3 3 12 5 Remove two...

Страница 62: ...4 Dismount the paper holder assy See Section 3 3 7 5 Dismount the sheet guide See Section 3 3 12 6 Dismount side plate M See Section 3 3 8 7 Raise up roller holder 3 slide hopping shaft assy 1 and dis...

Страница 63: ...unt the upper cover assy See Section 3 3 4 2 Dismount Idle gear R 3 and Gear R 4 3 Move resist roller 1 to the right and dismount it by lifting Two resist bearings 2 also come off at the same time Tak...

Страница 64: ...pply board See Section 3 3 5 3 Dismount the base frame See Section 3 3 12 4 Dismount the paper holder assy See Section 3 3 7 5 Dismount the sheet guide See Section 3 3 12 6 Dismount the heat assy See...

Страница 65: ...3 Remove two screws 1 disconnect connector 2 and dismount power supply unit 3 4 Dismount insulation sheet 4 5 Remove five screws 5 and dismount main control board 6 6 Remove screw 7 disconnect connec...

Страница 66: ...3 28 OKIPAGE 8w 1 1 2 5 5 5 8 A 9 7 0 6 3 4...

Страница 67: ...4 ADJUSTMENT...

Страница 68: ...cannot be made public for printer end users 4 1 Adjustment Types and Functions 4 1 1 Printer Driver For Microsoft Windows This printer driver has the following functions Drum counter reset Charge roll...

Страница 69: ...d dot count OKIPAGE 8w only Main control board Upload or download EEPROM data 4 2 1 Setting LED Head Drive Time Caution When the liminous intensity of a new LED head is the same as that of the old LED...

Страница 70: ...Upload button Upload EEPROM Data in EEPROM Operations EEPROM data read is completed 4 The read EEPROM data is displayed in Dialog of the maintenance driver 5 Leave the display of the maintenance driv...

Страница 71: ...5 PERIODICAL MAINTENANCE...

Страница 72: ...reset the drum counter when replacing the EP unit 5 2 Cleaning Remove any toner or dirt and clean the circumference and inside of the printer with a waste cloth Caution Do not touch the OPC drum LED...

Страница 73: ...rray Figure 5 2 1 Set the LED head cleaner in the LED lens array as shown in the figure below and slide the cleaner left and right several time to clean the head Caution Do not press the LED head clea...

Страница 74: ...6 TROUBLESHOOTING PROCEDURES...

Страница 75: ...the OPC drum to direct sunlight 3 Do not touch the fuser because it heats up during operation 4 Do not expose the image drum to light for more than five minutes at room temperature 6 4 Preparation Be...

Страница 76: ...nsor error total page 30 During printer resetting During initializing During initializing EEPROM Undefined Undefined Undefined OFF Flash 1 Flash 1 Flash 2 Flash 2 Flash 2 Flash 2 Flash 2 Flash 3 OFF O...

Страница 77: ...leshooting flow See Section 6 5 2 Troubleshoot according to Section 6 5 3 Troubleshoot according to Status Monitor Message List See Section 6 5 1 6 5 Troubleshooting If a trouble occurs in the OKIPAGE...

Страница 78: ...10 01 10 02 12 20 14 2X 14 3X 16 01 16 02 16 03 16 04 16 18 16 19 16 1A 16 21 16 50 16 51 16 5A 16 5B 16 7F Normal operation Normal operation Normal operation Normal operation Replace the toner cartr...

Страница 79: ...he jammed paper To release the error display close the cover If this error occurs frequently see Section 6 5 2 2 2 Open the cover then remove the jammed paper To release the error display close the co...

Страница 80: ...lso adjust EEPROM data See Section 4 2 4 Check the connection of the Option RAM PC board If the option RAM PC board is faulty replace it See Section 6 5 2 4 Replace the thermistor of the heater Assy R...

Страница 81: ...ubleshooting flowcharts Caution When replacing the main control board troubleshooted according to the troubleshoot ing flowcharts also adjust EEPROM data See Section 4 2 4 1 2 Item The OKIPAGE 8p 8w m...

Страница 82: ...e the CN1 connectors of the high voltage power supply board and main control board connected correctly No Connect the CN1 connectors correctly Yes Is 5 V supplied between CN2 Pin 2 and CN2 Pin 3 of th...

Страница 83: ...s the paper already fed to paper sensor E paper Yes Is paper sensor E paper operating normally No Replace paper sensor E paper Yes Replace high voltage power supply board No Replace the stepping rolle...

Страница 84: ...Is the EP unit set correctly No Set the EP unit correctly Yes Check the gear block Yes Has the paper arrived at the paper sensor exit Yes Is the paper sensor exit operating normally No Replace the pap...

Страница 85: ...on the high voltage power supply board Yes Is the paper sensor exit operating normally No Replace the paper sensor exit or clean the outlet sensor on the high voltage power supply board Yes Replace th...

Страница 86: ...No Is the Halogen lamp or thermostat disconnected Yes Replace the heat assy Halogen lamp or thermostat No Replace the power supply unit Yes Are the CN2 connectors of the power supply unit and main co...

Страница 87: ...image problem is output as a result of the printing Figure 6 3 is an example of image problem output Symptom An image is light or blurred entirely Figure 6 3 A Flowchart No 1 2 3 4 5 6 7 8 Dark backg...

Страница 88: ...l the LED head correctly Yes Is the contact plate of the transfer roller in correct contact with the high voltage power supply board See Figure 6 4 F Yes Is the terminal of the EP unit in correct cont...

Страница 89: ...unter Refer to Replacing the Drum Cartridge in User s Manual No Replace the main control board or high voltage power supply board 3 A blank paper is output Is the LED head connected correctly 8p Check...

Страница 90: ...or high voltage power supply board 5 Cyclic defect EP drum Cycle 1 98 50 3 mm Remedy Clean or replace the EP unit Developing roller 1 44 36 6 mm Replace the EP unit Toner supply roller 2 63 66 8 mm R...

Страница 91: ...correctly Yes Replace the EP unit Has this error been recovered Yes End Caution After replacing the EP unit reset he drum counter Refer to Rplacing the Drum Cartridge in Users Manual No Is the LED he...

Страница 92: ...l Tension 3 25 kg No Replace the bias spring Yes Are the heater connector of the heat assy and the CN1 connector of the power supply unit connected correctly No Connect the connectors correctly Yes Re...

Страница 93: ...ead installed correctly 8p Check the CN6 connector of the main control board 8w Check the HEAD1 HEAD2 connector of the main control board No Install the LED head correctly Yes Replace the LED head Has...

Страница 94: ...6 20 Figure 6 4 Contents A Toner Supply Roller B Developing Roller C Charge Roller D Cleaning Roller E Transfer Roller F Heat Roller A E D F B C...

Страница 95: ...6 21 Figure 6 5 Contents A Toner Supply Roller B Developing Roller C Charge Roller D Cleaning Roller E Ground Drum A B D C E...

Страница 96: ...7 WIRING DIAGRAM...

Страница 97: ...HIV0V High Voltage Sensor Interface POWER Power Interface CN003 DC Output 2 1 22 23 1 2 22 23 CN1 Control Interface CN10 CN1 1 23 CV0PN N 2 22 LED P 3 21 TNRSNS N 4 20 SDB2 P 5 19 PSIN N 6 18 SDBI P 1...

Страница 98: ...Interface CN2 Power Interface CN003 DC Output 2 1 22 23 1 2 5 6 1 2 5 6 1 2 22 23 CN1 Control Interface CN10 CN1 1 23 CV0PN N 2 22 LED P 3 21 TNRSNS N 4 20 SDB2 P 5 19 PSIN N 6 18 SDBI P 1 5V 2 5V 3...

Страница 99: ...7 3 7 2 PCB Layout 7 2 1 Main Control Board NMA PCB OKIPAGE 8p HIVOL2 SW1 1 2 HIVOL CENT LED1 LED2 LED3 HEAD2 19 1 1 12 HEAD1 14 1 36 18 POWER 1 1 8 2 CN7 OPTION PJ 1 1 2 4...

Страница 100: ...7 4 7 2 PCB Layout 7 2 2 Main Control Board HBY PCB OKIPAGE 8W CN10 IC2 1 2 CN1 CN4 HEAD2 19 1 1 12 HEAD1 14 1 36 18 CN2 1 1 8 2 CN7 CN8 1 1 2 4...

Страница 101: ...7 5 7 2 3 High Voltage Power Supply Board P2H PS2 PS1 PS4 CVSW PS3 CN7 CN1 P6L CN1...

Страница 102: ...8 PARTS LIST...

Страница 103: ...8 1 8 PARTS LIST Figure 8 1 Cover Assy Upper 7 6 5 4 1 2 1...

Страница 104: ...w 2 Lens 1 40413101 1 OKIPAGE 8p Lens 2 40413201 1 OKIPAGE 8w 3 Switch 40413001 1 OKIPAGE 8p 4 Guide Side L 2PP4128 1256P1 1 5 Guide Slide R 2PP4128 1257P1 1 6 Gear Spur A 4PP4128 1260P1 1 7 Plate Hop...

Страница 105: ...8 3 Figure 8 2 Base Frame Unit d d e f c U R J E D I C B A 0 9 8 7 5 o 6 3 3 1 2 i G H F K N P L L Q S Z k g W T T O M T T Z Y T V l b...

Страница 106: ...aft 3PB4083 1127P1 1 14 Hopping Shaft Assy 3PA4083 1133G1 1 15 Knock Pin NK2 10 SUS 1 16 Idle Gear R 4PP4083 1143P1 1 17 Idle Gear 2R 3PP4083 1184P1 1 18 Gear R 3PP4083 1142P1 1 19 Idle Gear M 3PP4083...

Страница 107: ...EL Top Cover Assy 40592102 1 OKIPAGE 8w OEL Top Cover Assy 40592104 1 OKIPAGE 8w ODA 44 Head Spring 4PP4083 6168P1 2 45 LED Head 40521101 1 46 Flat Cable Assy 40591201 1 47 Bias Spring R Back Up Rolle...

Страница 108: ...8 6 Figure 8 3 Heat Assy 2 1 8 5 3 4...

Страница 109: ...rt No Q ty Remarks Table 8 3 Heat Assy 1 Heat Roller 3PB4083 1202P1 1 2 Halogen Lamp 40649301 1 120V Halogen Lamp 40649302 1 230V 3 Thermostat 4PB4083 1204P1 1 4 Thermistor 4PB4083 1205P1 1 5 Heat Cor...

Страница 110: ...8 8 Figure 8 4 1 Base Plate Unit OKIPAGE 8p 9 3 4 2 A 0 1 7...

Страница 111: ...8 9 6 3 4 2 A 0 1 7 Figure 8 4 2 Base Plate Unit OKIPAGE 8w...

Страница 112: ...40433802 1 For OP 8p HBY 5 6 Program ROM 40681701 1 OP8w EPROM 7 AC Cord 3YS4011 1315P1 1 USA TAIWAN AC Cord 3YS4011 1266P1 1 Continental AC Cord 3YS4011 1270P1 1 U K AC Cord 40398702 1 Australia 8 I...

Страница 113: ...APPENDIX...

Страница 114: ...A LOCAL PRINTING 1 The following operation enables the OKIPAGE 8p 8w to print data by itselt Operation With the cover open turn on the AC switch and then close the cover The following print patterns...

Страница 115: ...ter side 36 pin receptacle Type 57RE 40360 730B D29A Daiichi Denshi or equivalent Cable side 36 pin plug Type 57 30360 Daiichi Denshi or equivalent 2 Cable Cable length 6 feet 1 8 m max IEEE std 1284...

Страница 116: ...T PRIME FAULT 0V SELIN PR PR PR PR PR PR PR PR PR PR PR Parallel data sampling strobe Printer parallel input output data Completion of input data reception The OKIPAGE 8w is not ready to receive data...

Страница 117: ...3 3K 6 Timing charts a Data receiving timing compatible mode PARALLEL DATA DATA BITs 1 to 8 DATA STROBE ACKNOWLEDGE BUSY 0 5 s min 0 5 s min 0 5 s min 0 5 s max 0 5 s min 0 min 0 min 0 min 0 5 s to 1...

Страница 118: ...B 4 c Data sending timing nibble mode ACKNOWLEDGE BUSY 6 7 4 5 2 3 DATA bit 3 DATA bit 7 FAULT 6 7 4 5 2 3 DATA bit 0 DATA bit 4 SELECT DATA bit 1 DATA bit 5 PAPER END DATA bit 2 DATA bit 6...

Страница 119: ...lize the printer maintenance functions For this reason only servicemen and maintenance personnel can use the maintenance utility This utility cannot be made public for printer end users 3 OUTLINE OF M...

Страница 120: ...f the LED head is 300 1W one wire non adjustment type or 300 2W two wire adjustment type This printer however can use only one wire type Do not use D600W4 5 Setting or Humidity Used to adjust transfer...

Страница 121: ...nt is used to check whether the printer can print data normally after the maintenance utility has terminated See Figure C 2 4 5 Option Option is used to execute the following functions See Figure C 3...

Страница 122: ...ne maintenance utility version information Printer version information and memory size information Printer device ID information See figure C 4 4 7 Reload Reload is used to reload menu setting values...

Страница 123: ...C 5 Engine Maintenance Driver GUI Figure C 1 Main Menu Dialog Figure C 2 Test Print Dialog...

Страница 124: ...C 6 Figure C 3 Option Menu Dialog...

Страница 125: ...C 7 Figure C 4 About Dialog...

Страница 126: ...XXXXXXXXTH Oki Data Corporation 4 11 22 Shibaura Minato ku Tokyo 108 Japan Tel 03 5445 6162 Fax 03 5445 6189...

Страница 127: ...All specifications are subject to change without notice OKIPAGE8p LED Page Printer Troubleshooting Manual with Component Parts List ODA OEL INT...

Страница 128: ...ronics Parallel Interface 8 3 6 Front Operator Panel 9 3 7 LED Head Control 10 3 8 Motor and clutch control 12 3 9 Fuser Temperature Control 14 3 10 Sensor Control 17 3 11 Cover Open 18 3 12 Power Sup...

Страница 129: ...supply board and power supply unit containing a high voltage power supply is dangerous From the viewpoint of the safety standards the local repairing of a defective board is not allowed Thus the objec...

Страница 130: ...fetches data from the receive buffer analizes commands and reconstructs the data in such a way that print data are aligned from up to down and from right to left then it writes the resultant data into...

Страница 131: ...0V 230V Heater Halogen lamp Parallel I F Data Bus x16 Address Bus M ROM 4M x 16 High Voltage Power Unit P6L High Voltage Power Unit P2H Mask ROM 8MB OSC 10MHz EEPROM 1kb Motor Driver MTD2005F OSC 7MHz...

Страница 132: ...rogram ROM ROM capacity 8M bytes Mask ROM ROM type 64Mbits 4M x 16 bits Access time 100 nsec 3 Resident RAM RAM capacity 2M bytes 1Mx 16 bits RAM type 16M bits 1M x 16 bits Access time 60 ns 4 Option...

Страница 133: ...CPU Memory in OKIPAGE8p CPU CS0 CS0 RD RAS0 RD WR CAS0 1 RAS1 2 CAS0 1 WR Main control board RAS0 RAS1 RAS2 CAS0 CAS1 DRAM 1M x 16 bits DRAM 4M Byte RAS1 2 WR D00 to D15 A00 to A25 Mask ROM 4M x 16 bi...

Страница 134: ...6 3 3 Reset Control When power is turned on RST N signal is generated by RST Power OFF Power ON 5V CL RST N CPU 172 1 2 3 RST 5V 5V RSTN...

Страница 135: ...x 16 bit configuration Data input to and output from the ROM are bidirectionally transferred in units of 16 bits through I O port EEPRMDT P in serial transmission synchronized with a clock signal from...

Страница 136: ...and outputs an ACK N signal setting the BUSY P signal to OFF CPU CENT 87 88 91 to 96 PDATA1 P to PDATA8 P PSTB N PBUSY P PACK N PRE P PERROR P PSEL P PINIT N PSELIN N PALITOFD N 97 85 86 83 81 79 80...

Страница 137: ...nel have three LED lamps and a switch on the main control board which is connected to by the CPU The light from the LED lamp can be seen on the Lens Cover through the LED Lens CPU 5V 5V 0V Ready Amber...

Страница 138: ...ED correction drivers MSM6731BWAF or MSM6732BWAF together as a pair The LED correcting head consists of the correction control LSI MSM6730WAF LED drivers MSM6731BWAF or MSM6732BWAF and an LED array ST...

Страница 139: ...nting data synchronous clock CLOCKI Then the printing data stored in shift registers are latched by the high level pulse of LOADI The latched printing data turns the LEDs on by STRB1I N through STRB4I...

Страница 140: ...4 SW2 SW1 SW3 SW4 SW2 Out1 MTDV Out2 Out3 Main Motor Current Sensor Current Sensor ALARM Out4 Vmm A Vmm B ENA B DECAY PHASE A PHASE B 0V 0V 0V 0VP Electromagnetic clutch 0V 19 26 25 18 27 132 127 131...

Страница 141: ...SW3 motor coil SW2 resistor earth The drop voltage across the resistor is input to comparator where it is compared with a reference voltage If an overcurrent flows a limiter operates to maintain it w...

Страница 142: ...shorted the A D converted value shows an abnormally high temperature so that the shortcircuit can be detected If the breakdown of the thermistor occurs the A D converted value shows the normal tempera...

Страница 143: ...onstant temperature control End Heater On Yes Yes Yes Yes Yes No No No No No No No Yes Yes Fuser error Fuser error End End Thermistor gain change THERMCMP N 0 Z Thermistor disconnection error Thermist...

Страница 144: ...rolled Temperature T HEATER ON OFF Time Temperature table THERMCMP N O Z Heater control mode Normal operation Fuser Error Check T 145 C 150 C 155 C 160 C 165 C Paper Thickness light medium light mediu...

Страница 145: ...supervises the state of each sensor every 40 ms OFF TNRSNS N HIVOL CN1 PSIN N PSOUT N WRSNS N CPU 5V PS1 PS2 PS3 PS4 ON Transparent Shield Sensor signal 124 120 122 123 5V 5V 5V 5V Main Control Board...

Страница 146: ...r is open Furthermore opening the cover stops applying a 5V power to the high voltage power supply part resulting in stopping all high voltage outputs CPU CVOPN N Cover Open Microswitch 5V 5V 0V Cover...

Страница 147: ...rminals CH DB SB TR and CB according to a control signal from the LSI The table on the next page shows the relationship between control signals and high voltage outputs F1 F2 L FG N Fuse Ratings AC In...

Страница 148: ...out a 750V power to TR Makes the part put out a 1300 KV power to CH Makes the part put out the following power Makes the part put out the following power Makes the part put out the power to SB DB CB M...

Страница 149: ...ms occur frequently A 3 A paper size errors occur frequently A 4 Paper can not be fed from the manual feed slot A 5 The message COVER OPEN remains displayed on the PC display A 6 The message TONERLOW...

Страница 150: ...Open error B 5 Thermister Short error B 5 Flash3 Flash3 Flash3 Flash3 Flash3 Flash2 B 6 E R R O R 1 0 E R R O R 3 0 E R R O R 7 2 E R R O R 7 3 Watchdog timer timeout occurs frequently Data sent throu...

Страница 151: ...ting normally No Replace PS4 Yes Is PS3 Outlet Sensor operating normally No Replace PS3 Yes Failure of CPU in main control board A 3 A paper exit jams occur frequently Is PS3 Outlet Sensor operating n...

Страница 152: ...of CPU in main control board A 7 The message TONERLOW remains displayed on the PC display Is PS1 Toner Sensor operating normally No Replace PS1 Yes Failure of CPU in main control board A 8 The message...

Страница 153: ...DRAS0 N DCSA1 N DCAS0 N of DRAM No Failure of CPU Yes Are the signals at pins 2 TO 5 7 TO 10 33 TO 36 38 TO 41 D00 P to D15 P of DRAM being changed No Failure of CPU Yes Replace DRAM B 4 EEPROM error...

Страница 154: ...as shown below at data reception No Failure of CPU Yes Replace Q4 74LS07 Yes Is the level of the signal at Pin 1 STB N of CENT connector changed at data reception No Make sure of the connection of I F...

Страница 155: ...1 Main Control PCB NMA Circuit Diagram Rev 5 Figure 5 12 High voltage Power Supply PCB P2H Circuit Diagram Rev 2 Figure 5 13 High voltage Power Supply PCB P6L Circuit Diagram Rev 2 Figure 5 14 Option...

Страница 156: ...D6 VDD5 VDD4 VDD3 VDD2 VDD1 VSS19 VSS18 VSS17 VSS16 VSS15 VSS14 VSS13 VSS12 VSS11 VSS10 VSS9 VSS8 VSS7 VSS6 VSS5 VSS4 VSS3 VSS2 VSS1 CLKOTP A25P A24P A23P A22P A21P A20P A19P A18P A17P A16P A15P A14P...

Страница 157: ...DP RDN RD2N RTXN WRN MXSN DTN CS5N CS4N CS3N CS2N CS1N CS0N DRAS5N DRAS4N DRAS3N DRAS2N DRAS1N DRAS0N DCAS3N DCAS2N DCAS1N DCAS0N IOS1N IOS0N BGNTP SCRAKN RECN ACKN BUSYP SLCTP PEP ERRORN TXD0P DTRN R...

Страница 158: ...C A9 A8 A7 A6 A5 A4 A3 A2 A1 A0 RASN UCASN LCASN WEN OEN NC1 NC2 NC3 VCC1 VCC2 VCC3 GND1 GND2 GND3 I O16 I O15 I O14 I O13 I O12 I O11 I O10 I O9 I O8 I O7 I O6 I O5 I O4 I O3 I O2 I O1 ROM 23C6411SOP...

Страница 159: ...B C D E F G 2 3 4 5 6 7 8 9 X Y 31 Figure 5 4 Main Control PCB NMA 4 11 Circuit Diagram Rev 5 MTDV MTD2005F PHAA NENA PHAB NENB CR REFA VSA REFB VSB DCAY VCC LGA LGB VMM1 VMM2 GND1 GND2 OUT1 OUT2 OUT3...

Страница 160: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 32 Figure 5 5 Main Control PCB NMA 5 11 Circuit Diagram Rev 5...

Страница 161: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 33 Figure 5 6 Main Control PCB NMA 6 11 Circuit Diagram Rev 5...

Страница 162: ...0V 1A1 1A2 1A3 1A4 1C 2A1 2A2 2A3 2A4 2C 1Y1 1Y2 1Y3 1Y4 2Y1 2Y2 2Y3 2Y4 LC26023A CLK0 CLK1 SQCR SCLK DI N P DOUTP RESETN ANSW9 ANSW8 ANSW7 ANSW6 ANSW5 ANSW4 ANSW3 ANSW2 ANSW1 ANSW0 I N PORT6 I N POR...

Страница 163: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 35 Figure 5 8 Main Control PCB NMA 8 11 Circuit Diagram Rev 5...

Страница 164: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 36 Figure 5 9 Main Control PCB NMA 9 11 Circuit Diagram Rev 5...

Страница 165: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 37 Figure 5 10 Main Control PCB NMA 10 11 Circuit Diagram Rev 5...

Страница 166: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 38 Figure 5 11 Main Control PCB NMA 11 11 Circuit Diagram Rev 5...

Страница 167: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 39 Figure 5 12 High voltage Supply PCB P2H 1 1 Circuit Diagram Rev 2...

Страница 168: ...1 2 3 4 5 6 7 8 9 X Y 1 A B C D E F G H A B C D E F G 2 3 4 5 6 7 8 9 X Y 40 Figure 5 13 High voltage Supply PCB P6L 1 1 Circuit Diagram Rev 2...

Страница 169: ...4 A3 A2 A1 A0 RASN UCASN LCASN WEN OEN NC1 NC2 NC3 VCC1 VCC2 VCC3 GND1 GND2 GND3 I O16 I O15 I O14 I O13 I O12 I O11 I O10 I O9 I O8 I O7 I O6 I O5 I O4 I O3 I O2 I O1 DRAM2 5118160J A11 NC A10 NC A9...

Страница 170: ...1 COMPONENT PARTS LIST...

Страница 171: ...wing List Main Control Board NMA PCB Rev 5 40433801YA High Voltage Power Supply Board P2H PCB Rev 2 40607401YA High Voltage Power Supply Board P6L PCB Rev 2 40605601YA Option Board N4A PCB Rev 2 40559...

Страница 172: ...6 C22 R87 R86 R85 R84 R83 R82 R81 R80 R79 R78 R77 R76 R75 R74 R73 R72 R71 R70 R95 R93 C24 3 110 R593 R591 R592 R590 R582 R581 R583 R563 R564 R589 C525 C517 C551 C503 R620 C552 R616 R522 R521 R520 R519...

Страница 173: ...MCRF151 RES MET RN C CR RK73H ERJ MCRF181 RES MET RN C CR RK73H ERJ MCRF204 RES MET RN C CR RK73H ERJ MCRF243 RES MET RN C CR RK73H ERJ MCRF302 RES MET RN C CR RK73H ERJ MCRF362 RES MET RN C CR RK73H...

Страница 174: ...S MET RN C CR RK73K ERJ MCRJ221 RES MET RN C CR RK73K ERJ MCRJ223 RES MET RN C CR RK73K ERJ MCRJ272 RES MET RN C CR RK73K ERJ MCRJ301 RES MET RN C CR RK73K ERJ MCRJ331 RES MET RN C CR RK73H ERJ MCRJ33...

Страница 175: ...ES MET RN C CR RK73K ERJ MCRJ560 RES MET RN C CR RK73K ERJ MCRJ562 RES MET RN C CR RK73K ERJ MCRJ680 RES MET RN C CR RK73K ERJ MCRJ681 RES MET RN C CR RK73Z ERJ MCRJ 0V RES Zero ohm C RM73B2A271J RES...

Страница 176: ...AP Ceramic C GRM TMK MCH 223B 25V CAP Ceramic C GRM TMK MCH 473B 25V CAP Ceramic C GRM UMK MCH 561B 50V CAP Ceramic C GRM UMK MCH 103Z 50V CAP Ceramic C GRM UMK MCH 104Z 25V CAP Ceramic C CK2012F1C105...

Страница 177: ...5118160JP 60 Memory MOSDRAM S 93C46LDP NW Memory MOSEEPR MHM2029 002K CPU MOS F MHM2029 004K 29 CPU MOS F KM23C64000G KF 0001 Memory MOSMROM S 2SA1331 2SA1037K TR PNP H FREQ C 2SA1338 TR PNP H FREQ C...

Страница 178: ...H1 Connector PCB 00 8263 0211 00 000 Connector PCB 00 8263 0411 00 000 Connector PCB B8B XH A Connector PCB 00 5062 301 006 000 Connector PCB 00 5062 301 023 000 Connector PCB CST7 06MTW040 TF01 OSC...

Страница 179: ...109 110 111 SEL3213C GL3HD47 PHOTO LED SEL3913KYZ GL3HY47BC PHOTO LED SMCD23 TWVF23 210 CONN PAR SMCD6 TWVF6 55 CONN PAR Cap LED 650A0103M0001 650A0203M0001 2381003P0003 2381003P0005 40666901 1 2 1 1...

Страница 180: ...06 C108 C107 C118 C251 C310 R238 C311 C113 C300 Q16 C101 C102 J23 J7 J1 J2 HR J42 J9 J11 J12 J10 J25 J22 J36 J16 J8 J24 R102 R103 R122 R123 J20 J18 J4 J3 J40 J26 J27 J36 J29 J32 J34 J33 J30 J17 J19 L1...

Страница 181: ...D Zener RD200E B D Zener 1ZB270 Y Z TPA2 D Zener Q RD1 4Y33 J RES Carbon flm RD1 4Y130 J RES Carbon flm RD1 4Y330 J RES Carbon flm RD1 4Y1K J RES Carbon flm RD1 4Y4 7K J RES Carbon flm RD1 4Y5 1K J RE...

Страница 182: ...RES Carbon flm RD16UJ1 5K RES Carbon flm HNY5P DE07 1KV 471K CAP Ceramic P DE07 HCYB3F471 CAP Ceramic Z DE1010B471K6K 6KV CAP Ceramic HLY5P DD05 500V 471K CAP Ceramic P MLRD FK16Y5V1H104Z CAP Ceramic...

Страница 183: ...H FREQ 2SC2752 TR NPN H FREQ C 14576 SA 8506183 Coil Choke HIGH VOLTAGE TRANSFORMER RPI 574 9568 PHOTO Coupler SM05S SS5GL13 Switch Micro SEL3910D 204AD PHOTO LED 23FE BT VK N Connector PCB 53254 021...

Страница 184: ...NO Q TY REMARKS NO 15 54 55 56 57 58 59 60 J1 J2 J40 J3 J4 J7 J12 J13 J21 J23 J27 J29 J36 J22 SHORT WIRE SHORT WIRE SHORT WIRE SHORT WIRE TA 0 6 TA 0 6 TA 0 6 TA 0 6 3 8 22 1 P2H Printed Circuit Board...

Страница 185: ...16 T2 T1 C5 Q2 S1 Q1 R4 R3 C3 D4 D7 D6 D5 FG C4 D1 D3 C2 R2 C1 CN2 D9 CN1 D8 R6 R5 C6 1 2 1 4 5 6 1 1 4 5 6 5 6 P6L Printed Circuit Board REV 2 40605601YA 1 2...

Страница 186: ...U VTJ5 1K RES Carbon flm RD1 4Y1M J RES Carbon flm MRH100MK HV 38 100MK RES MET solid MY2A CQMF 100V 103J CAP Plast flm P DE07 HCYB3F471 CAP Ceramic Z UVX SME 63V 10 F 63V CAP Alum CE P SHORT WIRE 2SC...

Страница 187: ...REF SYMBOL TYPE NAME PART NO Q TY REMARKS NO 19 20 21 23 24 CN1 CN2 06FE ST VK N Connector PCB RT 01T 1 0B Connector PCB 2244101P0060 2247000P0001 1 1 P6L Printed Circuit Board Rev 2 40605601YA 2 2 2...

Страница 188: ...19 DRAM2 DRAM1 C1 C2 CN1 1 R501 R502 R503 R504 R505 R506 R507 R508 R516 R515 R514 R513 R512 R511 R510 R509 N4A Printed Circuit Board REV 2 40559001YA 1 2...

Страница 189: ...DRAM2 CN1 1 2 3 4 5 6 7 8 9 10 CR RK73K ERJ MCRJ151 RES MET RN C CK2012F1C105Z 16V CAP Ceramic C 16 F 5118160JP 60 Memory MOSDRAM S TX24 40R LT H1 Connector PCB 3235003J0151 303A6008Z1105 8020003N4613...

Страница 190: ...Oki Data Corporation 4 11 22 Shibaura Minato ku Tokyo 108 8551 Japan Tel 03 5445 6162 Fax 03 5445 6189...

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