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Service Guide OKIPAGE 10ex

1. 02 52 02 C OV Logic ground 52 VO D10 Data bit 0 03 53 03 O Al Address bit 1 53 VO D17 Data bit 17 04 54 04 O A2 Address bit2 54 VO D1 Data bit 1 05 55 05 O RSDTRO N RS232C Data 55 VO D18 Data bit 18 terminal ready 06 56 06 O A3 Address bit3 56 VO D2 Data bit 2 07 57 07 O A4 Address bit4 57 VO D19 Data bit 19 08 58 08 C OV Logic ground 58 VO D3 Data bit 3 09 59 09 O A5 Address bit5 59 VO D20 Data bit 20 10 60 10 O A6 Address bit6 60 VO D4 Data bit 4 11 61 11 O 5V Logic power 61 VO D21 Data bit 21 supply 12 62 12 0 A7 Address bit7 62 VO D5 Data bit 5 13 63 13 0 A8 Address bit 8 63 VO D22 Data bit 22 14 64 14 C OV Address bit9 64 VO D6 Data bit 6 15 65 15 O A9 Address bit 10 65 VO D23 Data bit 23 16 66 16 O A10 Logic power 66 VO D7 Data bit 7 supply 17 67 17 O 5V Address bit 11 67 VO D24 Data bit 24 18 68 18 O A11 Address bit 12 68 VO D8 Data bit 8 19 69 19 O A12 Logic ground 69 VO D25 Data bit 25 20 70 20 C OV Address bit 13 70 VO D9 Data bit 9 21 71 21 O A13 Address bit 14 71 VO D26 Data bit 26 22 72 22 O A14 Logic power 72 VO D10 Data bit 10 supply 23 73 23 O 5V Address bit 15 73 VO D27 Data bit 27 24 74 24 O A15 Address bit 16 74 O D11 Data bit 11 25 75 25 O A16 Logic ground 75 VO D28 Data bit 28 26 76 26 C O
2. 14 Stacker cover reset spring 4PP4083 6057P001 1 50924201 15 Fuser roller idle gear 4PP4083 6080P001 1 51229101 16 Eject roller idle gear 4PP4083 6081P001 1 51229201 17 Sensor plate inlet 4PP4083 6083P001 3 51010701 18 Eject sensor lever Assembly 4PA4083 6025G001 1 40771401 19 Toner sensor 4PP4083 6086G001 1 50405501 20 Strip Anti Static 4PB4083 6979P001 1 51010903 21 Heat Assy OP10ex 1 120V 40470101 22 Heat Assy OP10ex 1 230V 40470102 23 Roller assy eject 1 40772501 24 Manual feed guide assy 2PA4128 1149G001 1 51017201 25 Stacker Assy 1 40103803 26 LED head unit 512K 1 40521201 27 Stacker cover damper arm 4PP4083 6191G001 1 53069101 28 Frame Base lower 1 40771301 29 Stacker cover damper 4PB4083 6197P001 1 51229401 30 31 Motor Pulse main 1 40229001 32 Motor Pulse regist 1 40396201 33 Gear Idle A 260 16 1 40778101 34 Gear Idle B 260 16 1 40295101 35 Cord LED Assembly 1 40241702 36 Image drum unit Type 5 1 ODA 40433305 37 Toner Cartridge Type 5 1 Consumable 52109001 38 Reduction Gear 3PP4083 7617P001 1 51239501 39 FG plate O P 4PP4083 7663P001 1 53347201 40 Hopping roller rubber 4PB4122 1280P001 1 51711401 41 42 LED Contact 4PP4083 6173P001 1 51014601 43 Washer C 4PP4120 1210P001 1 50517201 44 Washer B 4PP4120 1209P001 1 50517001 45 Spacer Bearing R 1 40392801 46 Spacer Bearing L 1 40392901 47 Bias spring A 4PP4083 6065P001 2 Special 50925301 parts for envelope T
3. Short plug Plug setting Description Factory setting T1 Provided Debug mode Not provided T1 Not provided Normal Not provided T2 2 3 Short 5 V is supplied to Pin 18 of Centronics parallel 2 3 Short I F connector T2 1 2 Short 5 V is not supplied to Pin 18 Centronics parallel 2 3 Short I F connector Pin 18 if High Level output Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Lower Base Unit Service Guide OKIPAGE 10ex Chapter 8 Parts List Page 96 Figure 8 1 Lower Base Unit No _ Name Rating Part No Use Remarks ODA Part No 1 Hopping roller shaft 3PP4083 6020P001 1 50219601 2 Bearing 4PP4083 6022P002 4 51607402 3 Hopping roller one way clutch gear 4PB4083 6024P01 2 51228901 4 Registration roller 3PB4083 6030P001 1 53342501 5 Bearing registration 4PP4083 6031P001 1 51607501 6 Roller Transfer B Assy 40437801 1 40437801 7 Bearing TR 40438001 1 40438001 8 Back up roller 3PB4083 6064P002 1 53343701 9 Bias spring 4PP4083 7620P001 2 50929301 10 Back up roller bushing 4PP4083 6052P001 2 51607601 11 Reset lever L 3PP4083 6053P001 1 50805801 12 Reset lever R 3PP4083 6054P001 1 50805901 13 Cover open switch arm 3PP4083 6058P001 1 53068901
4. 7 Interface Parameter Setting The following settings are possible by pressing the ENTER key after selecting the display contents of the LCD of the operator panel by using the and amp keys Settings are retained even when the printer power is turned off By pressing the ON LINE key menu setting mode is completed and the printer returns to on line state may OFF LINE o XX I XXX PCL AUTO HEX DUMP PAR or FX Keep the MENU key down for more than 2 seconds and bring the printer into menu setting mode level 2 Next press the MENU key 9 times nay PARALLEL PARALLEL I F is displayed on the LCD Press the ENTER key MEDIUM Normalspeed o Factory Sestry HIGH Press the MENU key ties Oirecton of Data Transfer Comers i Depay Functon Bi drectonal data renamiasion Factory Seming ENABLE Press the MENU key on PRIME siga atlactive Factory Seting OFF Press the ON LINE key Setting completed XXX PCL AUTO HEX DUMP PRR or FX Press the MENU key ste Octon of Data Transfer BLDIRCT Comana ot Daptay Functon Contents a _L_DISABLE O Ura chroctionat data twansmisnon Factory Semng ENABLE Press the MENU key tem PO PAME ooo O Converts ot Deciay Function on PRIME ags eheste Press the ON LINE key U mee ON LINE XXX Setting completed XXX PCL AUTO HEX DUMP PRR or FX Copyright
5. Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 144 Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 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 Table 4 1 Classification Description Recovery method Jam error feeding Notifies of occurrence of jam while the paper is being fed from High Capacity Second Paper Feeder Check the paper in the High Capacity Second Paper Feeder Carry out the recovery printing by opening and closing the cover and turn the error display off When the problem occurs frequently go through the Troubleshooting Jam error ejection Notifies of occurrence of jam while the paper is being ejected from the printer Check the paper in the printer Carry out the recovery printing by opening and closing the cover and turn the error display off Paper size error TRAY2 SIZE ERR Notifies of incorrect size paper feeding from High Capacity Second Paper Feeder Check the paper in the High Capacity Second Paper Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery printing by opening and closing the cover and turn the error d
6. FORM FEED and ENTER keys down OPT HEAD 300 1W t Press or key until 1 LEDHEAD Displays previous is displayed No 21 parameter No LED HEAD Press the ENTER key 5 y No 19 lt Parameter 19 is LED HEAD Tum the POWER switch on No 19 setto EEPROM while pressing the FORM L is displayed on FEED and ENTER keys LCD Setting of LED Head Drive Time OKIPAGE 6ex 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 Luminous Intensity Marking and Drive Time Parameter Table Luminous intensity marking on Drive time Luminous intensity marking on Drive time parameter LED head parameter LED head 027 028 27 065 069 14 029 030 26 070 073 13 031 032 25 074 079 12 033 035 24 080 084 11 036 037 23 085 090 10 038 040 22 091 096 9 041 043 21 097 103 8 044 046 20 104 110 7 047 049 19 111 118 6 050 052 18 119 126 5 053 057 17 127 135 4 058 060 16 136 144 3 061 064 15 145 154 2 marking of the luminous intensity marking on LED head depend on the darkness control parameter b Corresponding table of darkenss setting and drive time parameter Darkness setting Drive time parameter 2 4 1 2 0 0 1 3 2 6 The drive time parameter of the LED hea
7. Second Paper Paper Feeding Mechanism Feeder Fest Tray Unit Multi Purpose F Eectrophotograpric Slacker Processing Unil Feeder Power Supply and Sensor Board Face Up Stacker Main Contre Board Maman Optional Expansion Board 1 DAAM Sinan serat 1 Flash SIMM Socket DRAAM SIMM AS242C RS 232C Setial Interface Board 1 DRAM SIMMA Sooko Flash SIMM 1 Flash SIMM Socket Flash memory Figure 1 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 2 Page 3 OK Service Guide OKIPAGE 10ex Chapter 1 Specifications 1 2 Printer Configuration The printer unit consists of the following hardware components Electrophotographic Processor Paper Feeder Controller Operator Panel Power Supply Unit The printer unit configuration is shown in Figure 1 2 Upper cover Operator pane assy Stacker assy image drum unit Type 5 consumable Power supphy sengor board a Legal universal paper cassette Main control board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 4 OK Service Guide OKIPAGE 10ex Chapter 1 Specifications 1 3 Optional Configuration The options shown below are available for use with OKIP
8. Service Guide OKIPAGE 10ex Chapter A Centronics Parallel e Printer side 36 pin receptacle single port Type 57RE 40360 730B D29A made by Daiichi Denshi CN AX05841A36AT made by Ougat or equivalent e Cable side 36 pin plug Type 57 30360 made by Daiichi Denshi or equivalent Plug 552274 1 AMP 552073 1 AMP or equivalent 2 Cable e Cable length 6 ft 1 8 m max A Shielded cable composed of twisted pair wires is recommended for noise prevention Note Cable is not supplied with the printer and is not available from Oki Pin No Signal Name Signal direction Functions ree gt PR Parallel data sampling strobe DATA STROBE 2 DATA BIT 1 gt PR PR Parallel input and output data 3 DATA BIT 2 gt PR PR Parallel input and output data 4 DATA BIT 3 gt PR PR Parallel input and output data 5 DATA BIT 4 gt PR PR Parallel input and output data 6 DATA BIT 5 gt PR PR Parallel input and output data 7 DATA BIT 6 gt PR PR Parallel input and output data 8 DATA BIT 7 gt PR PR Parallel input and output data 9 DATA BIT 8 gt PR PR Parallel input and output data 0 os lt PR Completion of data input or end of a function ACKNOWLEDGE 11 BUSY lt PR During print processing or alarm 12 PAPER END lt PR End of paper 13 SELECT lt PR Select state ON LINE a gt PR Request to change mode AUTO FEED
9. 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 off 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 68 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 6 4 Preparation for Troubleshooting 1 Operator panel display 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 lt For ODA gt OKIPAGE 109x OKIPAGE 108x fron seek Status message cisplay Ready LED display Ea Of Blinking CL On C Undealined Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 69 OKT Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 6 5 Troubleshooting Flow Should there be a problem with the printer carry out troubleshooting according to the following procedure flow 6 5 1 LCD Status Message Problem List The status and problems which may be displayed by m
10. 5 V Logic circuit supply voltage 38 V Motor and fan drive voltage and source voltage for high voltage supply 8V RS 232C line voltage 8V RS 232C line voltage and PS board supply voltage 3 3 V LED head supply voltage 2 High Voltage Power Supply Circuit This circuit generates the following voltages required for electrophotographic process from 5 V according to the control sequence from the main control board When cover open state is detected 5 V supply is interrupted automatically to stop the supply of all high voltage outputs Output Voltage Application CH 1 3 KV Voltage to be applied to charge roller DB 265 V 300 V Voltage to be applied to a developing roller SB 500 V O V Voltage to be applied to a sponge roller CB 400 V 3 5 KV Voltage to be applied to a cleaning roller TR 500 V to 3 5 KV 1100 V Voltage to be applied to a transfer roller Variable 3 Photosensor The photosensor mounted on this power supply sensor board monitors the status of paper being fed through the printer during printing The sensor layout diagram is shown in Figure 2 2 below Exit roller Outlet sensor C0 Paper sensor E 0 S C DUU a 3 Paper end sensor Registration roller A riat sensor 1 2 Figure 2 2 Sensor Function Sensing State Inlet sensor 1 Detects the leading part of the paper and gives the ON Paper exists monitor timing for switching from hopping
11. BPX for any updates to this material http opx okidata com Page 29 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 4 Operator Panel Assy 1 Unlock two latches on the upper cover from the rear side lift the operator panel assy 1 from the back and remove it 2 Remove the Sumi card operator panel 2 from the connector CN1 8 Note You can remove the operator panel assy while the upper cover installed on the unit However it is much easier to remove the panel assy after removal of upper cover Rear view Uriock two latches with a tip of screw diver For fs purpose insert a driver through iaceup paper cutie as shown Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 30 OKI Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 5 Lower Base Unit 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the connecting cables 2 and 3 of the pulse motors from the connectors DM RM of the M5B PCB 1 5 Remove the LED head cables 4 and 5 from the connectors HEAD1 HEAD2 6 Open the manual feed guide assy remove six screws 7 then remove the lower base unit 6 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDAT
12. Link see 3 3 1 Separator see 3 3 2 OLEV 11 PCB see 3 3 3 Pulse motor see 3 3 4 Planet gear see 3 3 5 Roller A see 3 3 6 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 116 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 3 3 1 Link 1 Open paper feed cover 1 and disengage the paper feed cover 1 and Link 3 while lifting the paper hold 2 2 Remove the paper hold 2 off the arm 4 3 Disengage the link 3 from the arm 4 and remove it Be careful not to deform the link and arm Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 117 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 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 and remove the upper frame 2 4 Remove the 2 screws 3 and take out the separator assembly 4 5 Disengage the separator 7 from the separator bracket 6 while lifting the paper hol
13. and remove the face up stacker 4 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 34 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 9 Hopping Roller Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 5 5 Disengage the eject roller assy 1 from the lower base 2 by pressing the latch section of the eject roller assy 1 in the direction of the arrow shown below and remove the eject roller assy 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 35 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 10 Motor Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 5 5 Stand the lower base unit on its side as shown and unlock two latches then remove the motor assy 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx ok
14. disable Detailed descriptions of these functions are provided in Appendix D DIAGNOSTICS TEST Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 56 OK i Service Guide OKIPAGE 10ex Chapter 4 Adjustments 4 1 3 Engine Maintenance Mode Note This mode is used only by maintenance personnel and it should not be released to the end users 1 To enter into the engine maintenance mode turn the power on while holding ENTER and FORM FEED keys down 2 Functions of this mode are selected by the menu 3 The way to exit out of this mode varies depending on the settings 4 There are following engine maintenance modes a Head drive time setting Sets the drive time of the LED head b Head width setting Sets the width of the LED head 39 or 40 chips c Printing start position setting Sets the starting position of printing d Drum count total display The total image drum rotation count of the printer as counted by the engine section is displayed on the LCD e Drum count display The total image drum rotation count as counted by the engine section is displayed on the LCD f Standard tray paper feeding quantity setting Sets the amount of paper to be fed from the standard tray g High Capacity Second Paper Feeder paper feeding quantity setting Sets the amount of paper to be fed f
15. 15 Not used 16 OV Signal ground 17 CHASSIS GROUND Chassis ground 18 5V lt PR 50 mA max 19 OV Signal ground through 30 31 Ce gt PR Initializing signal INPUT PRIME ee lt PR End of paper or during alarm FAULT 33 Signal ground 34 Not used 35 z High level 3 3 k Ohms 36 ote gt PR Request to change mode select in e Connector pin arrangement 4 Signal Level LOW 0 V to 0 8V HIGH 2 4 V to 5 0 V 5 Specifications Item Description Mode Compatibility mode Nibble mode ECP mode Data bit length 8 bits in the compatibility mode Input prime Valid Invalid Receive buffer 8K 20K 50K 100K 1M Bytes Control Handshaking control is performed in each mode Data received from the host is stored in the receive buffer Busy control is performed Signal lead control is performed 6 Timing Charts a Data receiving timing PARALLEL DATA DATA BITs 1 to 8 DATA STOROBE BUSY ACKNOWLEOGE b On line gt off line ON LINE SW BUSY SELECT OSps mn 0 5 jas erin 0 8 ys min Q5 us min OS us max 05 pusto 10 ys D min switching timing by ON LINE SW c Off line gt on line switching timing by ON LINE SW ON LINE SW BUSY SELECT ACKNOWLEDGE 100 ms max 0 5 us to 1D ts d INPUT PRIME timing when set to the effective INPUT PRIME signal INPUT PRIME BUSY SELECT Sus max ACKNOWLEDGE
16. 2 Multi Purpose Feeder Maintenance 4 TROUBLESHOOTING Precautions Prior to the Troubleshooting 1 Go through the basic checking items provided in the Printer Handbook 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 123 OK i Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 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 OKIPAGE 7Gex OEL INT OKIPAGE 108x LEB PAGE PANTIR Pres rari Status message display Ready LED display Ml OFF gt lt BLINKING __ Undefined Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 124 OK Service Guide OKIPAGE 10ex n Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 4 3 Troubleshooting Method When a problem occurs go through t
17. Business Partner Exchange BPX for any updates to this material http opx okidata com Page 81 OK WT Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 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 A 1 Dark background density Figure 6 3 B 2 Blank paper is output Figure 6 3 C 3 Vertical block belt black stripe Figure 6 3 D 4 Cyclical defect Figure 6 3 E 5 6 7 8 Print void Poor fusing images are blurred or peeled off when touched by hands Vertical white belt white stripe Figure 6 3 F SSS Need Nee ee Ne A Light or blurred images entirely B Dark background density C Blank paper VOUT i wv D Black vertical stripes E Cyclical defect F White vertical belts or streaks Figure 6 3 Image Problems Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 82 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 1 Images are light or blurred entirely Is the toner low Is the Toner Low being displayed Yes Supply toner No Is paper of the specified grade being used No Use paper of the specif
18. Cleaning of LED Lens Array 63 5 2 2 Cleaning Page Function 64 6 Troubleshooting 6 1 Troubleshooting Tips 65 6 2 Points to Check before Correcting Image Problems 66 6 3 Tips for Correcting Image Problems 67 6 4 Preparation for Troubleshooting 68 6 5 Troubleshooting Flow 69 6 5 1 LCD Status Message Problem List 70 6 5 2 LCD Message Troubleshooting 71 Jaits 1 The printer does not work normally after the power is 72 turned on sites 2 JAM error 73 EEN Paper input jam 74 gaptek rennt Paper feed jam 75 PE Paper exit jam 76 attests 3 Paper size error 77 aa 4 Fusing unit error ERROR 71 ERROR 72 ERROR 78 73 hudh 5 SSIO error ERROR 74 79 A 6 Fan error ERROR 70 80 6 5 3 Image Troubleshooting 81 seis 1 Images are light or blurred entirely 82 fights 2 Dark background density 83 Aiari 3 Blank paper is output 84 PORREN 4 Black vertical belts or stripes 85 ss iias 5 Cyclical defect 86 BASS 6 Prints voids 87 Sines 7 Poor fusing 88 sahil 8 Vertical belts or streaks 89 ists Figure 6 4 90 Table of Contents Page iss ites Figure 6 5 91 7 Wiring Diagram 7 1 Interconnect Signal Diagram 92 7 2 PCB Layout and Connector Signal List 93 7 3 Resistance Check 94 7 4 Short Plug Setting 95 8 Parts List Lower Base Unit 96 Upper Cover Unit 97 Base Unit 98 A Centronics Parallel Centronics Parallel Interface 99 B Loop Test RS 232C Interface Loop Test RS 232C Interface 100 C Diagnostics Test 1 Maint
19. Envelope 24 to 28 Ibs 10 11 Printing speed Paper feeding method Paper delivery method Resolution Power input Power consumption Temperature and humidity First print 12 seconds typical for the Letter size paper after warm up Continuous print 10 pages per minute with Letter size paper Except Second Paper Feeder 8 8 PPM Multi Purpose Feeder 8 3 PPM Warm up time 60 seconds typical at room temperature 68 F 20 C AC 120 230 V 120 VAC for ODA 230 VAC for OEL INT Automatic paper feed or manual paper feed Face down face up 600 dpi x 600 dpi true 600 x 1200 dots inch graphics 230 VAC 10 120 VAC 15 for Peak Approx 460W Typical operation Approx 215W Idle Approx 61W Power save mode Approx 18W In operation Power off mode During Storage Unit Temperature 50 90 32 110 14 110 J 10 32 0 43 10 43 Kos Humidity 20 80 10 90 10 90 RH Maximum wet bulb 77 80 4 Janse ee E temperature 25 26 8 C Minimum difference 35 6 35 6 F between wetand 2 2 C dry bulb temperatures 1 Storage conditions specified above apply to printers in packed condition 2 Temperature and humidity must be in the range where no condensation occurs 13 14 Noise Consumables During operation 50 dB A or less Standby 38 dB A or less Quite mode Back ground level Toner cartridge kit 2 000 5 duty 45g c
20. Mode 1 2 System Maintenance Mode 1 3 Engine Maintenance Mode 1 4 User Factory Set Operation Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 102 OK i Service Guide OKIPAGE 10ex Chapter C Diagnostics Test 1 1 User Maintenance Mode e To enter the user maintenance mode turn the power on while keeping the MENU key pressed down e This mode uses the menu for function selection e The user maintenance mode provides the following functions 1 Hex Dump e The data received from the host higher position 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 by pressing the FORM FEED key after desetting the off line mode by pressing the ON LINE key automatic activation of printing even when the received data is less than one page is possible by selecting the Auto Eject function on the menu e The only way to exit from this mode is by turning the power off 2 Menu Reset e All settings for Menu level 1 are reset to factory default values The menus for all executable emulations including options are reset to factory default values e The operation mode starts automatically upon completion of resetting 3 Drum Counter Reset e Th
21. OA LIME Fory you wish to get out of Fang of Adastment 2 00em to 200mm 6 2 ren steps Press the aap TRAY 1 be tadina destruncn selecting command ESCRIH Sor aere w POLS Errmaion despot lor 2nd Tray is set Press the al fs compared wih mecherecel setiny postion uf paper being a ENTER kes cerier abgnment printing mage amp axed in accordance wii ad Ge eft apune phidh s the samme as HP kyn Enako esty tor PCA Motel for Ver A Wer 00 FAW SETTING menu Press he tern is in the Engine Maintenance mode MEMU key Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 103 OK i Service Guide OKIPAGE 10ex Chapter C Diagnostics Test 1 2 System Maintenance Mode e To enter the system maintenance mode turn the power on while keeping the Recover key pressed down e This mode adopts the menu for function selection e The system maintenance mode provides the following functions 1 Page Count Display e The total number of pages counted at the engine block is displayed on the LCD 2 Page Count Printing Enable Disable e 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 3 Rolling ASCII Continuous Printing e The rolling ASCII pattern is printed continuously for v
22. Page 73 OK YT Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 2 JAM error Paper input jam Paper feed jam Paper exit jam Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 74 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting Paper input jam Does the JAM error occur when the power is turned on e Yes Is the paper at the inlet sensor e Yes Remove the paper e No lIs the operation of the inlet sensor plate normal moves freely when it is touched e No Replace the inlet sensor plate e Yes Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board No Does the JAM alarm occur after paper feeding e Yes Is the paper fed to the inlet sensor plate e Yes Is the operation of the input sensor plate normal moves freely when it is touched e No Replace the inlet sensor plate e Yes Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board e No Replace the hopping roller rubber or paper cassette No Is the hopping roller rotating e Yes Set the paper tray properly No Is the registration motor rotating e Yes Replace the one way clutch gear of the hopping roller assembly No Is RM connector on the main control board being connected properly e No Connect
23. Vertical belts or streaks Are the LED lens dirty Yes Clean the LED lens No Is the contact plate of the transfer roller in proper contact with the power supply sensor board See Figure 6 5 E No Adjust the contact plate to make a proper contact with the power supply sensor board Yes Replace the transfer roller Has this problem been solved Yes End No Is the tension between the back up roller 7 52 kg and the surface of back up roller normal No Replace the back up roller or bias spring Yes Is the LED head being installed properly check HEAD1 and HEAD2 connectors on the main control board and PC connector on the LED head No Install the LED head Yes Replace the LED head Has the problem been solved Yes End Note After replacing the LED head set the printer to 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 1 Yes Replace the image drum cartridge Has this problem been solved Yes End Note After replacing the image drum cartridge set the printer to the user maintenance mode by turning the power on while pressing the MENU key Reset the drum counter see Printer Handbook No Replace the main control board or power supply sensor board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx ok
24. buffer is overflowing Buffer overflow The printer overrun because Press the RECOVER key on the the print data is too complicated to be printed operator panel to release the error display Simplify page data formatting Daily status OFF LINE emulate The printer is in the off line mode The second line indicates the emulation emulate AUTO PCL PPR FX HEX Normal operation Daily status a The printer is processing data Normal operation Daily status PRINTING The printer is printing a page Normal operation Daily status DATA emulate The printer is processing data in the on line mode READY ON The data that is not printed remains in the buffer Ready flashing The printer is receiving data or in printing process emulate AUTO PCL PPR FX HEX Normal operation Daily status All fonts of the printer are being printed during self test Normal operation Daily status PRINT MENU The current menu setting is being printed Ready ON Executed by command entry Ready flashing Executed by key operation Normal operation Daily status Some Message displayed when the power is turned on When the power is turned on the LEDs are turned on for approximately 1 second conducting a test to verify the conditions of the LEDs and LCD Normal operation Daily status Message displayed to indicate that the con
25. for Parts Replacement 21 3 2 Parts Layout Lower base unit 22 daiane Upper cover unit 23 TEN Base unit 24 3 3 How to Change Parts 25 3 3 1 Upper Cover Assy 26 3 3 2 IC Card Cover 27 3 3 3 LED Head 28 3 3 4 Operator Panel Assy 29 3 3 5 Lower Base Unit 30 3 3 6 Pulse Motor Main Drum 31 3 3 Pulse Motor Registration 32 3 3 8 Face Up Stacker Assy 33 3 3 9 Hopping Roller Assy 34 3 3 10 Motor Assy 35 3 3 11 Hopping Roller Shaft Assy 36 3 3 12 Stacker Cover Assy 37 3 3 13 Registration Roller 38 3 3 14 Transfer Roller Assy 39 3 3 15 Fusing Unit 40 3 3 16 Back up Roller 41 3 3 17 Sensor Plate Inlet 42 3 3 18 Sensor Plate Outlet 43 3 3 19 Manual Feed Guide Assy 44 3 3 20 Sensor Plate Paper Supply 45 Table of Contents Page 3 3 21 Main Control M5B PCB 46 3 3 22 Transformer 47 3 3 23 Power Supply Sensor Board and Contact Assy 48 3 3 24 Cassette Guide L Assy 49 3 3 25 Cassette Guide R 50 3 3 26 Spacer Bearing L R 51 4 Adjustments 4 Adjustment 52 4 1 Maintenance Modes and Functions 53 4 1 1 User Maintenance Mode 54 4 1 2 System Maintenance Mode 55 4 1 3 Engine Maintenance Mode 56 4 1 4 EEPROM Initialization 57 4 2 Adjustment When Replacing a Part 58 4 2 1 Setting of LED Head Drive Time 59 4 2 2 Uploading Downloading EEPROM data 60 5 Maintenance 5 1 Periodical Replacement Parts 61 5 2 Cleaning 62 5 2 1
26. head set the printer to 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 1 No Replace the main control board or power supply sensor board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 88 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 7 Poor fusing Poor fusing images are blurred or peels off when the printed characters and images on the paper are touched by hand Is paper of the specified grade being used No Use paper of the specified grade Yes Is the tension between the back up roller 7 52kg and the surface of the back up roller normal No Replace the back up roller bias spring Yes Is the contact of the fusing unit assy in proper contact with the contact assy see Figure 6 4 G No Adjust the contact of the fusing unit assy to make a proper contact with the contact assembly Yes Replace the fusing unit assy Has this problem been solved Yes End No Replace the main control board or power supply sensor board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 89 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 8
27. image Developing takes place through the contact between the image drum and the developing roller 1 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 A Toner supply roller Developing roller Image drum 2 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 3 Toner is 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 Developing roller Toner 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 electrical field Note The bias voltage required during the developing process is supplied to the toner supply roller and the developing roller as shown below 500 VDC is supplied to the toner supply roller 265 VDC to the developing roller Connected and bias supplied when the cover is closed ee te ee ee CETE TT Developing roller Toner supply roller Base Poy 5 Transfer The transfer roller is composed of conductive sponge material and
28. image drum surface becomes lower forming the electrostatic latent image associated with the print image 3 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 4 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 of the paper 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 5 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 6 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 5 see last chart below umup afew aap yo uoe jo opang C Supoa aded jo urea mmm Aie Tf nd lodud deg eh pupes wo Budoy ated 3u Buiddoy 10806 IAU Sukiqenap pee sede JARI oee IOSURS JAGE 1810 Adds sau0y mottos FF j e ego seg spag aod Ayddins
29. layout of the electrophotographic process mechanism is shown in Figure 2 3 Toner cartridge Developing roller Charge roller Heal roller Eject roller assy 1 Image Drum Unit Transfer roler Papersensor sensor 4 8 Cleaning roller Registration Hopping roller Eject sensor lever Paper cassette roller 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 2 Registration Motor The registration motor is a pulse motor of 48 steps rotation with two phase excitement by the signal from the main control board It drives the hopping and registration rollers via two one way clutches according to the direction of rotation 3 Main Drum Motor The main or drum motor is a pulse motor of 48 steps rotation with two phase excitement by the signal from the main control board and is the main motor of this mechanism 4 LED Head Image data for each dot line from the main control board is received by the shift register and latch register The 4992 LED s are driven to radiate the image data on the image drum 5 Fuser The fuser consists of a heater a heat roller a thermistor and a thermostat The AC voltage from the power supply sensor board is applied to the heater controlled by the HEATON signal from the main control board This AC voltage heats the heater The main control board monito
30. on e YES Is the paper located above the sensor plate inlet e YES Remove the paper e NO Is the sensor plate inlet operating normally e NO Replace the sensor plate inlet e YES Replace the power supply sensor board or inlet sensor e NO 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 e NO Replace the sensor plate inlet YES Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board or inlet sensor e NO Replace the roller A or roller B e NO Are the roller A and roller B rotating e YES Set the paper properly e NO Is the pulse motor turning e YES Replace the planet gear e NO Is the connector cable being connected properly e NO Connect the connector cable properly e YES Check the coil resistance approx 32W of the pulse motor Is it normal e NO Replace the pulse motor e YES Replace the OLEV 11 PCB Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 126 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 5 CONNECTION DIAGRAM Interconnection Diagram Pulse motor OLEV 11 PCB gg a a ed T To the Printe
31. on the LCD the total number of EP drum revolutions counted at the engine block 6 Factory Adjustment for High Capacity Second Paper Feeder Power Envelope Feeder e Do not change the default settings since these are factory settings and were set at the factory 7 Engine Reset e All EEPROM areas used by the engine block are reset to factory default values e The following items are excluded Menu level 1 Menu level 2 Operator panel menu disable enable Page print disable enable e Transition to the operation mode occurs upon completion of resetting e Engine maintenance mode menu system LOD display Prass the MENU kay Press the MENU key ENU key Press the MENU key Press the MENU kay PRINTPOS Omm Press the MENU key Press the MENU kay DRUM CNT Annann Press the MENU key Press the MENU kay Prass the aor hoy Ar Press the Ao gt hoy lt e Press the stor hey Press the dorm key Prass the sorb key Press the dor hy yo TYPE 202 TYPE 204 Wining nto the EEPROM is permed afiar peassing the ENTER kay Preas the ON LINE key if you wish to gel out of ts mode Plasa do re set up the LED Head type to Typos wher the genie was done the engne reset operasion by manus or ato seting Because whan ft is done the LED Head type is re tumed to the initial sating which is Typet Application ROM RW ver t 0t 817462701 1 MX2902
32. on to Out sensor off Depends on the 45 0 45 0 paper length Paper feed jam In sensor off to Write sensor off 22 2 22 0 Note Hyphen in the table represents not checked Paper Length List Type Paper length Check range Check range Min Max A4 297 0 252 0 342 0 A5 210 0 165 0 255 0 B5 257 0 212 0 302 0 LETTER 279 4 234 4 324 4 LEGAL 13 330 2 285 2 375 2 LEGAL 14 355 6 310 6 400 6 EXEC 266 7 221 7 311 7 A6 148 0 103 0 193 0 Monarch 190 5 145 5 235 5 COM 9 225 4 180 4 270 4 COM 10 241 3 196 3 286 3 DL 220 0 175 0 265 0 C5 229 0 184 0 274 0 Free 110 1 355 6 65 0 400 6 nn Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 19 OK Service Guide OKIPAGE 10ex Chapter 2 Operation 2 5 Cover Open When the stacker cover is opened the cover open microswitch on the power supply 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 main control board to notify that the microswitch is off and the main control board carries out the cover open process Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange B
33. operation OFF No paper exists to feeding operation Monitors paper feeding situation and paper size based on the paper arrival time and running time Inlet sensor 2 Detects the paper width ON A4 or larger OFF Smaller than A4 Paper sensor Detects the leading portion of the paper Monitors ON Paper exists paper feeding situation OFF No paper exists Output sensor Monitors paper feeding and size according to the ON Paper exists time of arrival to and leaving past the sensor OFF No paper exists Toner sensor Detects the lack of toner Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 13 OK Service Guide OKIPAGE 10ex Chapter 2 Operation 2 3 Electrophotographic Process 2 3 1 Electrophotographic Process Mechanism 2 3 2 Electrophotographic Process 2 3 3 Process Operation Descriptions 2 3 4 Revision of LED Head Illumination Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 14 OK Service Guide OKIPAGE 10ex Chapter 2 Operation 2 3 1 Electrophotographic Process Mechanism This mechanism actuates the printing of image data supplied by the main control board on the paper by electrophotographic process The
34. time e Luminous Intensity Marking Label ex li there is a TH marking it means about manufacturing location ot Thailand Last 3 digits represent the LED head marking number e 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 time parameter Luminous intensity marking on Drive time Luminous intensity marking on Drive time LED head parameter LED head parameter 020 32 058 060 16 021 31 061 064 15 022 024 30 065 069 14 025 29 070 073 13 026 28 074 079 12 027 028 27 080 084 11 029 030 26 085 090 10 031 035 25 091 096 9 033 037 24 097 103 8 036 040 23 104 110 7 038 043 22 111 118 6 041 028 21 119 126 5 044 028 20 127 135 4 047 028 19 136 144 3 050 028 18 145 154 2 053 028 17 155 1 marking of the luminous intensity marking on LED head depend on the darkness control parameter b Corresponding table of darkness setting and drive time parameter Procedure Example Method for setting the parameter to 19 for case where the previous parameter setting was 21 Operation LCD display after operation Turn the POWER switch f on while holding the Eman
35. to lay the AC and transformer s primary side cables under the divider see view A diagram below AC Inet Trarsformer Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 48 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 23 Power Supply Sensor Board and Contact Assy 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 5 3 Remove the M5B PCB Main Control Board see 3 3 21 4 Remove the transformer see 3 3 22 5 Remove the AC inlet 1 from the base plate 2 6 Remove the screw 3 and remove the grounding earth wire 4 7 Remove three screws 5 and remove the power supply sensor board 6 and contact assy 7 together 8 Unlock two latches 8 and remove contact assy 7 from the power supply sensor board Notes 1 Be careful about the sensor paper supply when reinstalling the lower base 2 Make sure that no excessive force is applied to the power supply switch 3 When installing the power supply sensor onto the base plate be careful not to bend the base plate it is desirable to place a block underneath it to prevent bending a View A Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidat
36. 1 50222501 1 3 5 14 Cable amp connector 3YS4111 3528P001 56633901 1 3 5 15 Stepping motor 3PB4122 1399P001 56512201 1 3 6 16 Bracket 4PP4122 1384G001 51712001 1 3 5 17 Gear z24 4PP4122 1383P001 51238901 2 3 5 18 Gear z87 z60 4PP4122 1226P001 51239101 1 3 5 19 Plate bottom 2PP4122 1389P001 51023201 1 3 5 20 2nd cassette guide L assy 1PA4122 1365G001 50222301 1 3 6 21 Hopping roller assembly 3PA4122 1367G001 50409501 1 3 6 22 2nd cassette guide R assy 1YX4122 1364G002 50222201 1 3 6 23 One way clutch gear 4PB4122 1382P001 51401101 1 6 12 24 TQSB 2 PCB 4YA4046 1651G002 55078102 1 3 6 For the rev no of the Parts List for the Front cover assembly should be applied No 5 The No 5 includes a change from 0 2 to 0 3 for the plate thickness of the roller Holder F F 21 25 Roller Holder F Part No 4PP4122 1379P003 ee sss sss ss sss ee Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com
37. 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 100 OK Service Guide OKIPAGE 10ex Chapter B Loop Test RS 232C Interface Loop Test RS 232C Interface 1 Connect the test connector DB 25S made by Cannon o equivalent Test Connector Connection Diagram 2 Select LOOP Test in the system maintenance mode The codes transmitted from the TD signals are comparatively checked with the data received from the RD signals If any error occurs the error message is displayed on the LCD Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 101 OK Service Guide OKIPAGE 10ex Chapter C Diagnostics Test 1 Maintenance Modes e The maintenance modes consist of the user maintenance mode which are released to the user and the system and engine maintenance modes in the maintenance personnel level not released to the user e Press the MENU key to update each category The operation returns to the first category after updating the last category in a loop e Press the Enter key to execute the function being displayed e To exit from any of these modes during a category display press the Recover or ON LINE key and the operation mode will start 1 1 User Maintenance
38. 217008 1 40217008 7 Power Supply Unit 40217701 1 120V 40217701 Power Supply Unit 40217702 1 230V 40217702 8 PWR Transformer 40138801 1 120V 40138801 PWR Transformer 40139001 1 230V 40139001 9 Fan motor 270A2167P0001 1 56512301 10 Contact assy 3PA4083 6090G001 1 56730001 11 AC cord 3YS4011 1315P001 1 120V 56631801 AC cord 3YS4011 1266P001 1 220 240V 56624301 12 Cassette sensor plate 3PP4083 6154P001 1 51011501 13 Cassette Assy Paper 40473001 1 40473001 14 Stacker Face up see 16 1 50101301 15 Earth plate 4PP4083 6137P01 1 51011601 16 Face up stacker cover assy 2PA4128 1143G001 1 50110301 17 OP Panel assy 40104403 1 ODA 40104403 18 SUMI card assy op panel 4YX4046 1656G001 1 120V 56636001 19 Link pull block 4PP4122 1170P001 2 53345201 20 Cassette lock lever 3PP4083 7653P001 2 50808401 21 Cassette lock lever spring 4PP4083 7655P001 2 50929501 22 Sheet spring 4PP4083 7666P001 2 50929901 23 Beam 3PP4083 7660P001 1 51608801 24 Sheet Link L assy 4PP4083 7662P001 1 50808501 25 Sheet Link R assy 4Pp4083 7658G001 1 50808601 26 FG plate 2nd 4Pp4083 7662P001 1 51023701 27 FG plate bm 4PP4083 7665P001 1 51023601 28 Connector cord 3YS4111 3527P001 1 56632801 29 Plate guide PCB 40396101 1 40396101 Ts Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Centronics Parallel Interface 1 Connector Page 99
39. 29 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder High Capacity Second Paper Feeder Maintenance PREFACE This Maintenance Manual is intended for the service person and describes the field maintenance methods for High Capacity Second Paper Feeder option of OKIPAGE 10ex Series LED Page Printer Refer to the Printer Handbook for the equipment handling and operation methods Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 130 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 1 OUTLINE Functions The printer is mounted on top of this High Capacity Second Paper Feeder The High Capacity Second Paper Feeder supplies paper automatically through the operation of pulse motor hopping which is driven by signals sent from the printer The main functions are e Paper that can be used Paper Type e Standard Paper Xerox 4200 20 Ib e Special Paper OHP Sheets for PPC Labels sheets PPC sheets use of envelopes or thick paper is not possible e Cut sheet size A4 A5 B5 Letter Executive Legal13 Legal14 e Special Size Paper Width 148 to 216mm Paper Length 210 to 355 6mm Weight e 16 lb to 24 Ib 60 to 90 g m e Paper setting quantity 500 sheets of paper weighing 64 g m Copyright 1
40. 3 Remove six screws 2 and remove the upper plate 3 Remove two screws 5 and remove the hopping frame assy 6 4 Remove the front cover assy 4 off the guide boss on the guide L 2nd assy 7 by bending the guide L 2nd assy 7 in the direction of arrow shown in the magnified view below 5 Pull the sheet guide assy 8 in the direction of arrow a and also push in the direction of arrow b to unlock the notch and bring the sheet guide assy 8 in the direction of arrow c to remove the sheet guide assy 8 Guide Boss 4 6 Remove three screws 9 which are holding the guide R 2nd assy 10 to the bottom plate 11 Remove the screw 12 which is keeping the rear cover 13 and guide R 2nd assy 10 Remove the guide R 2nd assy 10 7 Remove the protect M 14 guide bracket 15 planet gears 16 and planet gear bracket 17 8 Remove the E ring 18 which is keeping the sheet link on the guide R 2nd assy 10 and pull out the hinge stand 20 9 Remove three remaining screws 21 which are keeping the motor on the motor bracket 22 and remove the connector off the Stepping Motor 23 10 Remove two screws 24 on the Stepping Motor 23 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 139 OK Service Guide OKIPAGE 10ex Chapter Product Accesso
41. 4 10MC 1 0 100 103 B1T4EQTNODIAMAZIC2E1OMC 1D 101 lt ICZ Wrting nto the EEPROM is periormed atier pressing fe ENTER key Vinting nto the EEPROM is pertemed safier pressing the ENTER key PRENTPOS is tor shipping Do not chenge the default setting Oo not change the defauk setting Do m change the defaut setting Prass the Do not change the detauk setting MENU key Prass the dorm key Oo not change the datauk setting Press the MENU kay Prass the tor hey RE Do not change the defauk setting J gt Press the MENU kay Prass the ENTER hey OFF T PAPER Pross the CONNECT MENU key Writing into the EEPROM is performed ate pressing the ENTER key PAT DUTY t Press the are key J Press the MENU key _ Writing rio the EEPAOM is peclormeo afia pressing the ENTER key Press the Upon completion af ENTERI enone ee owune RESETNG XXX Prass the MENU key Factory defaut XXX AUTO PCL PPR FX Adobe PS HEX Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 105 OKT Service Guide OKIPAGE 10ex Chapter C Diagnostics Test 1 4 User Factory Set Operation The desired destination can be set by turning the power on while depressing two keys corresponding to the destination according to the following table Destination
42. 7 2 O OPTSCLK N Clock 1 4 3 O DATA N Data 3 6 4 PAPERIN N OPT send data ready 5 C OVP Analog ground 6 O 38V 30V power supply 7 C OV Logic ground 8 O 5V 5V power supply I In O Out C Common 2ND TRAY Connector Pin Assignment To option tray I F PIN NO vO Signal Description 1 1 O PAPERIN N Paper sense 1 2 2 O OPTSCLK N Clock 3 3 O DATA N Data 4 4 PAPERIN N OPT send data ready 5 5 C OVP Analog ground 6 6 O 38V 30V power supply 7 7 C OV Logic ground 8 8 O 5V 5V power supply POWER Connector Pin Assignment To power supply sensor board Pin Signal vO Description Pin Signal O Description No No 2 1 2 TRSEL1 O TR control switch 1 SQCR N I Sequence clear signal of serial I F 4 3 4 THERM CMP I Heater temperature 3 SCLK N Clock signal of serial I F 6 5 6 CVOPN N Cover open 35V 5 PSIN1 N I Paper sense 8 7 8 DOUT P O Serial data output 7 WRSNS Reading of paper edge 10 9 10 RXD2 P Serial data input 9 OVL C Ground for logic 12 11 12 5V Logic circuit supply 11 5V Logic circuit supply voltage voltage 14 13 14 3 3V LED head supply 13 3 3V LED head supply voltage voltage 16 15 16 OVL C Logic ground 15 OVL C Logic ground 18 17 18 38V Motor and fan drive 17 38V Motor and fan drive voltage and source voltage
43. 998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 131 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 1 2 External View and Component Names Upper Plate Sheet Guide Assy Guide R 2nd Assy Front Cover Assy Guide L 2nd Assy Front Plate Figure 1 1 External View and Component Names Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 132 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 2 MECHANISM DESCRIPTION General Mechanism 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 conveyed 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to
44. A Business Partner Exchange BPX for any updates to this material http opx okidata com Page 31 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 6 Pulse Motor Main Drum 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 5 3 Remove two screws 1 and remove the pulse motor main drum 2 from the motor bracket 3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 32 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 7 Pulse Motor Registration 1 Remove the upper cover see 3 3 1 2 Remove the lower base unit see 3 3 5 3 Remove two screws 1 and remove the pulse motor registration 2 from the motor bracket 3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 33 OK Y Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 8 Face Up Stacker Assy 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the screw 1 and remove the Sumi card operator panel cable 2 off the latch section of face up stacker 4 Remove both the shield plate 3 and face up stacker 4 together 4 Unlock the latches at two locations
45. A Business Partner Exchange BPX for any updates to this material http opx okidata com Page 79 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 5 SSIO error ERROR 74 Synchronous Serial I O ERROR 74 or I F timeout between printer and optional tray ERROR 81 e Is an option tray High Capacity Second Paper Feeder or Power Envelope Feeder being used e Yes Is the cable between the main control board and the optional tray being connected properly e No Connect the cable properly e Yes Replace the main control board e Has the problem been solved e No Check the problem by following the High Capacity Second Paper Feeder maintenance manual of Appendix F e Yes End e No Replace the main control board e Has the problem been solved e No Replace the power supply sensor board e Yes End Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 80 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 6 Fan error ERROR 70 e isthe fan rotating e Yes Replace the main control board e No lIs FAN connector on the main control board being connected properly e No Connect FAN connector properly e Yes Replace the fan or main control board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA
46. AC 120V model ODA AC 230V model Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com Page 9 OK Service Guide OKIPAGE 10ex Chapter 1 Specifications 1 5 3 Warning Caution Marking The following warning and caution markings are made on the power supply sensor board a F000 0000 L_ U AX WARNING AVERTISSEMENT ADVERTENCIA HEATSINK AND TRANSFORMER PRESENT RISK OF ELECTRIC SHOCK TEST BEFORE TOUCHING No fuse is mounted here for 200V series ENGLISH Heatsink and transformer core present risk of electric shock Test before touching FRENCH Le dissipateur thermique et le noyau du transformateur pr 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 II 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 Copyright 1998 Okidata Division of O
47. AGE 10ex These are available separately from the printer unit 1 High Capacity Second Paper Feeder 4 RS 232C Serial Interface Board 5 DRAM SIMM Memory DRAM SIMM memory is available with memory of 1 MB min to 32 MB max The access time of SIMM memories are 60ns 70ns 80ns and 100ns 6 Flash SIMM Flash SIMM is available with memory of 4 MB and 8 MB Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OKu 1 4 Specification Page 5 Service Guide OKIPAGE 10ex Chapter 1 Specifications Type Outside dimensions Weight Development method Exposure method Paper used Desktop Height 7 9 200 mm Width 13 0 330 mm Depth 15 6 395mm 22 Ibs 10 kg Dry electrophotography LED stationary head lt Type gt e Standard paper Xerox 4200 20 Ibs e Application paper manual face up feed Label Envelope OHP paper Transparency lt Size gt e Standard Letter Legal Without Mutli Purpose Feeder Option Legal 13 Executive COM 10 manual feed and Multi Purpose Feeder Option only Monarch DL C5 B5 JIS A6 e Applicable sizes Width 3 87 x 8 5 116 to 216 mm Length 5 83 to 14 148 to 355 6 mm lt Thickness gt Automatic feed 16 to 28 Ibs 60 to 135 g m Manual feed Label OHP paper transparency
48. Connect the connector properly e YES Check the coil resistance approx 4 3W of the pulse motor Is it normal e NO Replace the stepping motor e YES Replace the TQSB 2 PCB Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 145 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram 5 2 PCB Layout Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 146 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 5 1 Interconnection Diagram Stepping motor ch 2M T3 T IMTA 7 MOTOR f 4MTi TQSB 2 PCB Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 147 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 5 2 PCB Layout TQSB 2 PCB MOTOR MOTOR CONTROLLER B DRIVER SEN2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to thi
49. ED head being connected properly check the HEAD1 and HEAD2 connectors on the main control board and PC connector on the LED head No Connect the LED head properly or replace the head cable s Yes Is the contact of the image drum cartridge in the proper contact with the ground contact properly see Figure 6 4 c No Adjust the ground contact Drum of the contact assembly Yes Replace the LED head Has this problem been solved Yes End Note After replacing the LED head set the printer to 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 1 No Replace the main control board or power supply sensor board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 85 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 4 Black vertical belts or stripes Performing the cleaning page function see Section 5 2 2 Has this problem been solved Yes End No Replace the image drum cartridge Has this problem been solved Yes End Note After replacing the image drum cartridge set the printer to the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook Clean the LED lens array of the LED head Has the problem been solved Y
50. KI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 10 OK Service Guide OKIPAGE 10ex Chapter 2 Operation Operation Description OKIPAGE 10ex consists of a main control board a power supply sensor board an operator panel an electrophotographic process mechanism and revision for illumination of LED head The main control board receives data via the host I F it then decodes edits and stores the data in memory After completing the editing of a single page of data it references the font memory and generates bit image data which is transferred to the LED head in one dot line units Through the electrophotographic process mechanism the data is printed on the paper The operator panel is used for operations and status display OKIPAGE 10ex block diagram is shown in Figure 2 1 1 r WB Memty Board Option AS23220 Interace Board Option Main Control Board For opiat bord Program amp Font ROM EME Mask ACM Senbones paralkit YF 1 Chip CPU Hiv BV DV BY 4 SBY Power Supply Board toler senso 1 Inlet sarsar 2 Low votlege generation circuit Pager sensor Otet sensor Paper oul sensor Toner kw sensor Ac transforme Resident RAM 512K x 6 DRAV 2MB Dum motor amp Registration motor Ore circuit HEAT ON High voltage
51. Keys to be Depressed ODA MENU gt OEL MENU 4 INT A A4 MENU PAPER SIZE Australia etc INT L Letter MENU TRAY TYPE Singapore etc This function shall not be open for users Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OKu Service Guide OKIPAGE 10ex Page 106 Chapter Product Accessory 1 RS 232C Serial Interface Option RS 232C Serial Interface Option 1 Connector e Printer side 25 pin receptacle Type DB 25S made by Canon or equivalent e Cable side 25 pin plug Type DB 25S made by Canon Shell Type DB C8 J10 F2 1 made by Nihon Kouku Denshi or equivalent Note Plug shall be fixable with a lock screw 2 Cable e Cable length 6 ft 1 8 m max cable shall be shielded Note Cable is not provided 3 Interface signal Pin No Signal name Abbreviation Signal Functions direction 1 Frame Ground FG Frame Ground 2 Transmitted Data TD lt PR Transmitted Data 3 Received Data RD gt PR Receive Data 4 Request to Send RTS lt PR Stay space level 5 Not connected 6 Not connected 7 Signal Ground SG Signal Ground 9 to 17 Not connected 18 Not connected 19 Not connected 20 Data Terminal Ready DTR lt PR Data terminal ready 21t025 N
52. O HDCLK P Clock 3 C OVLOGIC Ground for logic 4 O HDD2 P Data 4 5 O HDD3 P Data 3 6 C OVLED Ground for LED 7 O HDDO P Data 0 8 O HDD1 P Data 1 9 O 3 3V 3 3V power supply for LED driving 10 O HDDLD P Load 11 O HDSTB1 N Strobe 1 12 O HDSTB2 N Strobe 2 13 O HDSTB3 N Strobe 3 14 O HDSTB4 N Strobe 4 O Out C Common HEAD2 Connector Pin Assignment To LED head HEAD1 HEAD1 PIN NO 1 0 SIGNAL DESCRIPTION 1 1 O 3 3V 3 3V power supply for LED driving 2 2 O 3 3V 3 3V power supply for LED driving 3 3 O 3 3V 3 3V power supply for LED driving 4 4 O 3 3V 3 3V power supply for LED driving 5 5 C 3 3V 3 3V power supply for LED driving 6 6 O 3 3V 3 3V power supply for LED driving 7 7 C OVLED Ground for LED 8 8 C OVLED Ground for LED 9 9 C OVLED Ground for LED 10 10 C OVLED Ground for LED 11 11 C OVLED Ground for LED 12 12 C OVLED Ground for LED O Out C Common PANEL Connector Pin Assignment To operator panel HEAD2 HEAD2 PIN NO 1 0 SIGNAL DESCRIPTION 1 1 O PLD N Load 2 2 C OV Logic ground 3 3 O PDATAOUT P Data output 4 4 PDATAIN P Data input 5 5 C 5V 5V power supply 6 6 O PSCLK N Clock I In O Out C Common ENVELOPE Connector Pin Assignment To option feeder I F PIN NO VO Signal Description 5 8 1 O PAPERIN N Paper sense 1 2
53. Ook y Service Guide OKIPAGE 10ex Chapter 0 Introduction Front Cover OKIDATA Service Guide OKIPAGE 10ex To propel your company into the future you need technology that fits the way you work You need the OKIPAGE 10ex the best featured desktop printer in its class This digital LED printer combines professional performance with excep tional value for years of high quality documents and low ongoing operating costs Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual 05 13 98 Note This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at 300 dpi which is ideal for printing but does not display well on most displays Table of Contents Page Service Guide OKIPAGE 10ex 0 Introduction Introduction 1 Specifications 1 1 System Configuration 2 1 2 Printer Configuration 3 1 3 Optional Configuration 4 1 4 Specification 5 1 5 Safety Standards 6 1 5 1 Certification Label 7 1 5 2 Warning Label 8 1 5 3 Warning Caution Marking 9 2 Operation Operation Description 10 2 1 Main Control Board 11 2 2 Power Supply Sensor Board 12 2 3 Electrophotographic Process 13 2 3 1 Electrophotographic Process Mechanism 14 2 3 2 Electrophotographic Process 15 2 3 3 Process Operation Descriptions 16 2 3 4 Revision of LED Head Illumination 17 2 4 Paper Jam Detection 18 2 5 Cover Open 19 2 6 Toner Low Detection 20 3 Disassembly 3 1 Precautions
54. PX for any updates to this material http opx okidata com Page 112 OK Service Guide OKIPAGE 10ex n Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 3 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 113 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 3 1 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 l
55. PX for any updates to this material http opx okidata com Page 20 OK Service Guide OKIPAGE 10ex Chapter 2 Operation 2 6 Toner Low Detection Device The Toner Low Detection device consists of a stirring gear which rotates at a constant rate a stirring bar anda magnet on the stirring bar The stirring bar rotation is driven by the link to the protrusion in the stirring gear 8 Protrusion e Operation 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 e The stirring bar is rotated due to the mechanical transmission of energy originating from the interlocking with the stirring gear e Even when the magnet on the stirring bar reaches the maximum height the stirring bar is pushed by the stirring gear since the other end is being dipped in the toner Stirring Gear Section Operation during Toner Low state e When the stirring bar reaches the maximum height it falls to the minimum height due to its own weight since there is no resistance provided 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 interval Toner Low can be detected Sensor Plate TONER FULL state 160 ms lt t1 lt 08 sec TNASNS N ti 2 63 sec TONER LOW st
56. Partner Exchange BPX for any updates to this material http opx okidata com Page 87 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 6 Prints voids Is the contact plate of the transfer roller in proper contact with the power supply sensor board See Figure 6 5 No Adjust the contact plate so that it touches the power supply sensor board and the shaft of the transfer roller properly Yes Replace the transfer roller Has this problem been solved Yes End No Is the tension between the back up roller 7 52kg and the surface of back up roller normal No Replace the back up roller or bias spring Yes Are the contacts of the toner supply roller developing roller image drum and charging roller in proper contact with the contact assy see Figure 6 4 A B C D E No Adjust the contact so that they touch the contact assy properly Yes Replace the image drum cartridge Has this problem been solved Yes End Note After replacing the image drum cartridge set the printer to the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook No Is the LED head installed properly check the HEAD1 and HEAD2 connectors the main control board and PC Connector on the LED head No Install the LED head properly Yes Replace the LED head or the head cable s Has this problem been solved Yes End Note After replacing the LED
57. RM connector properly Yes Is the coil resistance normal resistance both between Pins 1 and 2 as well as Pins 3 and 4 are about 18 6 W of the registration motor normal e No Replace the registration motor Yes Replace the main control board lagstration roller Paper feeding drection _ 3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 75 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting Paper feed jam e Does the paper feed jam occur when the power is turned on e Yes Is the paper on the paper sensor plate e Yes Remove the paper No Is the operation of the paper sensor plate normal moves freely when it is touched e No Replace the paper sensor plate o Yes Replace the power supply sensor board o No Has the paper reached the paper sensor plate e No Is the registration roller rotating No Replace the one way clutch gear of the hopping roller assembly e Yes Is the image drum cartridge being set properly e No Set the image drum cartridge properly e Yes Check the hopping roller assembly or tray e Yes Has the paper reached the outlet sensor plate Yes Is the operation of the outlet sensor plate normal moves freely when it is touched e No Replace the outlet sensor plate e Yes Clean the outlet sensor on
58. Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 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 3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 121 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 3 3 6 Roller A and B While only the removal procedure for roller A is described here the removal procedure for roller B is basically same When removing roller B however be careful not to deform the sensor lever 1 Remove the upper frame see 3 3 2 steps 1 through 3 2 Remove the separator assembly see 3 3 2 3 Remove the OLEV 11 PCB see 3 3 3 4 Remove the motor bracket see 3 3 5 5 Remove the gear 1 6 Shift the roller A 2 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 122 OK Service Guide OKIPAGE 10ex Chapter Product Accessory
59. T CLEANING message 5 The printer returns to off line mode Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 65 OK Service Guide OKIPAGE 10ex n Chapter 6 Troubleshooting 6 1 Troubleshooting Tips 1 Check the problem solving section in the Printer Handbook 2 Gather as much information about the situation as possible 3 Inspect the equipment under the conditions close to those in which the problem had occurred Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 66 OKT Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 6 2 Points to Check before Correcting Image Problems 1 Is the printer being run in proper ambient conditions 2 Are supplies toner and routine replacement part image drum cartridge being replaced properly 3 Is the printing paper normal acceptable quality 4 Is the image drum cartridge being loaded properly Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 67 OK Service Guide OKIPAGE 10ex n Chapter 6 Troubleshooting 6 3 Tips for Correcting Image Problems
60. U key Bross the LOOPTEST ENTER key Eide E LOOPTEST LOOPERA nanmnan nnmnnn Press the MENU key Ater the completion ENTER ENTER W ere LINE EN Press the XXX AUTO PCL PPR FX AdobePS HEX MENU key ae Do not change the defaut setting a amp koy ENABLE Switches enable disable of SIDM lt __ lt _ m DISABLE IBMIEPSON emutalion When DISABLE selected BMPPR and Prass the EPSONFX wil not appear ON LINE kay Prass the MENU kay ON LINE XXX Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 104 OK i Service Guide OKIPAGE 10ex Chapter C Diagnostics Test 1 3 Engine Maintenance Mode e The engine maintenance mode is activated when the power is turned ON while keeping the FORM FEED key and ENTER key pressed down e This mode adopts the menu for function selection e The method for exit from this mode depends on the setting e The engine maintenance mode provides the following functions 1 Head Drive Time Setting e Sets the drive time of the LED head 2 Type e Do not change the default setting 3 Printing Start Position Setting e Sets the printing start position 4 Drum Count Total Display e Displays on the LCD the total number of drum revolutions of the unit counted at the engine block 5 Drum Count Display e Displays
61. V Address bit 17 76 VO D12 Data bit 12 27 77 27 O A17 Address bit 18 77 VO D29 Data bit 29 28 78 28 O A18 Logic power 78 VO D13 Data bit 13 supply 29 79 29 O 5V Address bit 19 79 O D30 Data bit 30 30 80 130 O A19 Address bit 20 80 VO D14 Data bit 14 31 81 31 O A20 Logic ground 81 VO D31 Data bit 31 32 82 32 C OV Address bit 21 82 VO D15 Data bit 15 33 83 33 O A21 Address bit 22 83 O DRAS2 N_ DRAM select 2 34 84 34 O A22 Address bit 23 84 O DRAS3 N DRAM select 3 35 85 35 O A23 Logic ground 85 O DRAS4 N_ DRAM select 4 36 86 36 O OV Logic ground 86 O DRAS5 N DRAM select 5 37 87 37 O OV Logic ground 87 O DCAS3 N DCAS3 38 88 38 C OV RS232C 88 O DCAS2 N DCAS2 request to send 39 89 39 O RSRTSO N ROM SRAM 89 O DCAS1 N DCAS1 select 1 40 90 140 O CS1 N ROM SRAM 90 O DCAS0 N DCASO select 2 41 91 41 O CS2 N ROM SRAM 91 O RD N RD N select 3 42 92 42 O CS3 N SCC send 92 O WR N WR N request 43 93 43 CSRREQ Logic ground 93 INT1 N Interrupt request 1 P 44 94 44 C ov SCC receive 94 INT2 N Interrupt request 2 request 45 95 45 SCSREQ I O select 0 95 O EEPRMCS EEPROM select P 1 P 46 96 46 O IOS0 N I O select 1 96 O EEPRMCL EEPROM clock K P 47 97 47 O IOS1 N RS232C send 97 SSTXD P EEPROM data data 48 98 48 O RSTXDO N RS232C line 98 DRDY N Data read voltage 49 99 49 O 8V RS232C 99 8V RS232C line voltage re
62. a com Page 49 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 24 Cassette Guide L Assy 1 Remove the paper cassette 2 Remove the upper cover see 3 3 1 3 Remove the lower base unit see 3 3 5 4 Remove the Main Control M5B PCB see 3 3 21 5 Remove the transformer see 3 33 22 6 Remove the power supply sensor board see 3 3 23 7 Remove two screws 1 and remove the guide rails 2 8 Remove the screw 3 and remove the cassette guide L 9 by shifting it in the direction of the arrow as shown below 9 Remove cassette lock lever 4 and torsion spring 5 10 Remove cassette lock lever spring 8 then remove the sheet link L 6 and Pull block 7 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 50 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 25 Cassette Guide R 1 Remove the paper cassette 2 Remove the upper cover see 3 3 1 3 Remove the lower base unit see 3 3 5 4 Remove the Main Control M5B PCB see 3 3 21 5 Remove the two screws 1 and remove the guide rails 2 6 Remove the screw 3 and remove the cassette guide R 4 by shifting it in the direction of arrow 7 Remove the cassette lock lever 5 and torsion spring 6 8 Remove the cassette lock lever spring 9 then remove the shee
63. ain control board detected by program ROM check 20 An error was Replace the main control board detected by font ROM check 30 An error was Replace the main control board detected by resident RAM check 40 An error was Replace the EEPROM or main detected by control board EEPROM check 50 An error was Check the optional software ROM detected by optional board for proper connection or software ROM check replace it 51 An error was Check the optional Flash SIMM for detected by Flash proper connection or replace it SIMM 60 An error was Check the optional RAM board for detected by optional proper connection RAM check Check the mounting position of short plugs and additional RAM chips see Section 7 4 Replace the optional RAM board 61 Data bus Error Check the optional DRAM SIMM for between COS and proper connection or replace it Databus for Option DRAMs 70 A failure occurred Check the fan motor for proper with the Fan motor connection and for any presence of foreign matter in the fan see Section 6 5 2 6 Replace the fan or the main control board 71 A failure occurred See Section 6 5 2 4 with the fuser timeout error etc 72 A failure occurred See Section 6 5 2 4 with the fuser thermistor open error 73 A failure occurred See Section 6 5 2 4 with the fuser thermistor short error 74 SSIO Error Check the connection between
64. amog uapnpod Jejer fquea 9 JAIU Bursa Addns 18g Jao eGen Ayddre swyg usop e2e4 pee wed J0 els sede Burn pals icase yed sede y Gn vey 1840 pale isde Figure 2 4 i i a OUT Sersar OFF i i i IN Sensor OFF PRINT N PRDY N DM ON N RMON INSNS 2 A 5 A 5 Figure 2 5 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 16 OK Service Guide OKIPAGE 10ex Chapter 2 Operation 2 3 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 Registration motor Registration roller Hopping roller Motor gear Registration 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 1 For hopping the registration motor turns in direction a clockwise direction and drives the hopping roller to advance the paper until the inlet sensor turns on in this case the registration gear also turns but the registra
65. and source voltage for high voltage for high voltage voltage supply supply 20 19 20 HEATON N O Heater on 19 TRSEL2 O TR control switch 22 21 22 8V RS232C line 21 OVP C Analog voltage 24 23 24 8V RS232C line 23 OVP C Analog voltage 26 25 26 TRSEL3 N O TR control switch 25 OVP C Analog O Out I In C Common CENT Connector Pin Assignment To Centro parallel I F Pin I O Signal Description Pin O Signal Description No No 1 19 1 Strobe Strobe 19 C SG Ground 2 20 2 C DATA1 P Data bit 0 20 C SG Ground 3 21 3 C DATA2 P Data bit 1 21 C ISG Ground 4 22 4 C DATA3 P Data bit 2 22 C ISG Ground 5 23 5 C DATA4 P Data bit 3 23 C SG Ground 6 24 6 C DATA5 P Data bit 4 24 C SG Ground 7 25 7 C DATA6 P Data bit 5 25 C SG Ground 8 26 8 C DATA7 P Data bit 6 26 C SG Ground 9 27 9 C DATA8 P Data bit 7 27 C SG Ground 10 28 10 O ACK N Acknowledge 28 C SG Ground 11 29 11 O BUSY P Busy 29 C SG Ground 12 30 12 O PE P paper end 30 C SG Ground 13 31 13 O SEL P Select 31 IPRIME N Input prime 14 32 14 AUTOFEED N Auto feed 32 O FAULT N Fault 15 33 15 NC Not connected 33 C SG Ground 16 34 16 C SG Ground 34 NC Not connected 17 35 17 C FG 35 O HILEVEL Always kept high 18 36 18 O P LOGIC H 5V power 36 SELIN N Select in supply O Out I In C Common OPTION Connector Pin Assignment To option RAM or RS232C board Pin O Signal Description Pin I O Signal Description No No 01 51 01 O AO OR write 51 VO D16 Data bit 16 enable
66. arious engine tests e Press the ON LINE key to cancel this mode 4 Loop Test The loop test is for testing the serial I F functions without connecting the printer to the host The data is sent and received by loop back in the loop test The loop test is performed even when another interface is being selected in Menu level 2 Installation of the loop connector is necessary for the loop test refer to Appendix C LOOP TEST RS 232C INTERFACE The real time loop count is displayed on the LCD When an error occurs in the course of the test the corresponding error message is displayed on the LCD e Press the ON LINE key to cancel this mode 5 EEPROM Reset e All EEPROM areas including Menu level 2 are set to the factory default values e The following items are excluded Head drive time setting 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 in a loop 6 System Maintenance Mode Menu System LCD display farce Press the odor bay Writing into the EEPROM is pertormed a gt PAGE PRT aiter pressing the ENTER key Press ENABLE the ON LINE key if you wish to get oul of this mode Prass the MENU key Press the ENTER ENTER Wwy oaren PAT ont ine pma orea ONT PRT ag eae Press the MEN
67. artridge kit Image drum cartridge 20 000 at continuous printing 14 000 3 page job without Power Save Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 6 OK YT Service Guide OKIPAGE 10ex Chapter 1 Specifications 1 5 Safety Standards 1 5 1 Certification Label 1 5 2 Warning Label 1 5 3 Warning Caution Marking Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK Service Guide OKIPAGE 10ex Chapter 1 Specifications 1 5 1 Certification Label The safety certification label is affixed to the printer in the position described below INT AC 230V model OKIPAGE 10ex gS Modal No EN2905B 290V StADH 2A Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 7 Page 8 OK Service Guide OKIPAGE 10ex Chapter 1 Specifications 1 5 2 Warning Label The warning labels are affixed to the sections which may cause bodily injury Follow the instructions on warning labels during maintenance INT AC 230V model OKIPAGE 10ex es a Model No EN290SE 230V SOMOH2 2A s ODA
68. arts Replacement Methods 137 A 3 3 1 Stepping Motor Hopping 138 ici 3 3 2 TQSB 2 PCB 139 sides 3 3 3 Hopping Roller Shaft Assembly and One way Clutch 140 Gear 4 TROUBLESHOOTING Precautions Prior to the 141 Troubleshooting 4 2 Preparations for the Troubleshooting 142 4 3 Troubleshooting Method 143 Aided 4 3 1 LCD Status Message List 144 5 CONNECTION DIAGRAM 145 0 1 Interconnection Diagram 146 5 2 PCB Layout 147 6 PARTS LIST 148 2nd Tray ASSEMBLY 149 SECTION 1 CABINET amp CASSETTE ASSEMBLY 150 SECTION 2 MECHANICAL ASSEMBLY 151 e2nd Tray Parts List 152 Page 1 OK Service Guide OKIPAGE 10ex Chapter 0 Introduction Introduction This Service Handbook describes the field maintenance methods for OKIPAGE 10ex Digital LED Printer This manual is written for use by the maintenance personnel Please note that you should refer to the Printer Handbook and Printer Setup for the handling and operating methods of the equipment Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK YT Service Guide OKIPAGE 10ex Chapter 1 Specifications 1 1 System Configuration OKIPAGE 10ex consists of control and engine blocks in the standard configuration as shown in Figure 1 1 In addition the options marked with asterisk are available Paper Cassette High Capacity
69. ate t1 gt 0 8 sec TNRSNS N P 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 canceled When there 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 21 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 1 Precautions for 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 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
70. ates to this material http opx okidata com Page 108 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 1 1 Functions This optional Multi Purpose Feeder is installed on the front section of the printer and it supplies paper automatically through the operation of pulse motor which is driven by signals sent from the printer The main functions are e Paper that can be used Paper Types e Standard Paper Xerox 4200 20 Ib e Special Paper OHP sheets for PPC label sheets PPC sheets Not guaranteed for OHP sheets with attachments on the edge or reverse side e 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 e 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 lb make sure that the paper exits through the face up route Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 109 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 1 2 External View and Component Names Front Cover Figure 1 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Excha
71. been printed Image drum cartridge Type 5 About 20 000 sheets of paper have Consumables been printed See 1 4 14 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 62 OK Service Guide OKIPAGE 10ex Chapter 5 Maintenance 5 2 Cleaning 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 service tool 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 5 2 2 Cleaning Page Function Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 63 OK Service Guide OKIPAGE 10ex Chapter 5 Maintenance 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 as shown below Note The LED lens array must be cleaned with an LED head cleaner included in the replacement toner kit White lines or stripes void light printing 1 Set the LED head cleaner to the LED lens array as shown in the figure then slide the cleaner back and forth horizontally s
72. by command or menu e The paper size check for manual feeding finds that the paper size is free size a i i i i i i i i I 1 I 1 2 i 1 1 i 1 1 i 1 Main drum motor H i i i i i i i i Li i I i L a 3 i I i i aper I I I Registration motor l i i feed Ya i i t i i 1 i i Paper end sensor _ X E a i i Checking fot a i Inlet sensor __ Paper fom N i Ld l H Papersizecheck i i i H H j i i paper width re i Paper sensor i i i i i i i i ESAE EE E j Z i i H i i i Outlet sensor i i i i Monitoring l H i Jam Monitor paper Monitoring Monitoring Top to top inputjam paperfeedjam 5 Paper feed jam i i I i i i i Li i H Papersizecheck i i i i i i i j es Paper length Pott tt Momoning Top to bottom i paper enitjaen i i i i i Bottom to bottom i i i i i om i i i i i i eB i i i i i i i i i i i 1 Paper Feed Timing Chart Paper Feed Check List Type of error Monitor Standard Value Error Error Plus Minus Paper feed error Hopping start to In Sensor on 72 0 36 0 Paper feed jam In sensor on to Write sensor on 20 0 22 0 Paper feed jam Write sensor on to Out sensor on 140 5 25 0 Paper size error In sensor on to Out sensor on Depends on the 45 0 45 0 paper length Paper exit jam Out sensor
73. ce Modes and Functions 4 1 1 User Maintenance Mode 4 1 2 System Maintenance Mode 4 1 3 Engine Maintenance Mode 4 1 4 EEPROM Initialization Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 54 OK Service Guide OKIPAGE 10ex Chapter 4 Adjustments 4 1 1 User Maintenance Mode To enter into the user maintenance mode turn the POWER switch on while holding the MENU key down Function There are five functions as follows Menu reset Opepane menu disable Hex dump X adjust Drum counter reset Y adjust Receiove buffer 2nd Tray Setting Place page Detailed descriptions of these functions are provided in Appendix D DIAGNOSTICS TEST Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 55 OK Service Guide OKIPAGE 10ex Chapter 4 Adjustments 4 1 2 System Maintenance Mode This mode is used only by maintenance personnel 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 six functions as follows Page count display Loop test Page count printing enable disable EEPROM reset Rolling ASCII continues printing SIDM enable
74. ceive data 50 100 50 RSRXDO P 100 RESET N _ Reset signal O Out I In C Common Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide OKIPAGE 10ex Chapter 7 Wiring Diagram Page 94 7 3 Resistance Check Unit Circuit Diagram Illustration Resistance Registration Motor Between Pins 1 and 2 18 6 Ohms Between Pins 3 and 4 18 6 Ohms Main drum motor Between Pins 1 and 2 2 9 Ohms Between Pins 3 and 4 2 9 Ohms Fusing unit Thermostat th D Hestar PPNPP Thanmistor ALLL Between Pins 1 and 2 120V 3 Ohms 240V 10 Ohms Between Pins 3 and 4 220K Ohms at room temperature Transformer Black 11200 Blown 220V rn Primary side Between Pins 1 and 2 8 4 Ohms 120V 28 8 Ohms 230V Secondary side Between Pins 1 and 3 1 2 Ohms Between Pins 5 and 6 1 5 Ohms Fan Red 3V FANALM N Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide OKIPAGE 10ex Chapter 7 Wiring Diagram Page 95 7 4 Short Plug Setting Main Control Board M5B PCB Short Plug Settings
75. cements must be carried out by first turning the printer power switch off O and removing the High Capacity Second Paper Feeder 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 Q ty 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 ee Digital multimeter Pliers Handy cleaner Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to th
76. cover or pressing the ON LINE switch but basically the drum must be replaced Indicates an error from the result of checking EEPROM ID No The printer will display this for a few seconds and reset the EEPROM to the factory default for a continuous operation It will occur with a new EEPROM Daily status Daily status Reformat error including CPCMCIA HEADER or ROM SIMM and byte sum It will be displayed for 2 seconds at power on or just before a shift to ON LINE S Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata com Page 71 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 6 5 2 LCD Message Troubleshooting If the problems cannot be corrected by using the LCD status message problem list follow the troubleshooting flowcharts given here to deal with them No Trouble Flowchart number 1 The printer does not work normally after the power 1 is turned on 2 Jam alarm e Paper input jam 2 1 e Paper feed jam 2 2 e Paper exit jam 2 3 3 Paper size error 3 4 _ Fusing unit error 4 5 SSIO Synchronous Serial Input Output error I F timeout no 5 response between the printer and an optional tray High Capacity Second Paper Feeder Power Envelope Feeder 6 Fan error 6 Copyright 1998 Okida
77. d 5 and take out the separator be careful not to lose the spring 8 when you are doing this fo 4 Se A S A i f NNSS Screwdriver Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 118 OK Y Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 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 3 When mounting the printed circuit board be careful to make sure that the sensor plate is being set correctly 4 Sensor Plate Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 119 OK Y Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 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 1 and remove the stepping motor 2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 120 OK Y
78. d depend on the setting of the darkness control ex Luminous intensity marking on LED head 027 028 Darkness setting 2 Drive time parameter 31 27 41 The drive time parameter in the Table of Item B The drive time parameter in the Table of Item A c Setting Example Method for setting the parameter to 19 for a case where the previous parameter setting was 8 panies LCO display after operation Turn the POWER switch on while hokling the ENG MNT FORM FEED and ENTER keys down LED HEAD Displays previous Press the MENU key ca Proga i or Pe key unti 19 LED HEAD displayed No 19 Parameter 19 ia Pinea ha ENTER kiy LEDHEAD sett EEPROM dd is displayed on LCD The printar is booted with ON LINE selected setting by preesing XXX ON LINE key XXX HPd Auto Adobe PS or HEX HEX DUMP Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 60 OK i Service Guide OKIPAGE 10ex Chapter 4 Adjustments 4 2 2 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 To copy follow the steps below 1 Be sure to confirm that the printer and the PC are c
79. d identification excluding during engine reset in engine maintenance 2ND feed destination Designated command Left alignment based printing shift Print start position Paper feed amount from each paper feed tray Cleaning cycle Each optional tray motor controlling parameter Engine test Transfer current Only Engine ID check error at power on Event ee Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 58 OK Service Guide OKIPAGE 10ex Chapter 4 Adjustments 4 2 Adjustment When Replacing a Part Adjustment is necessary when replacing any of the following parts Part Replaced LED Head Image Drum Cartridge Main Control Board Adjustment Set the LED head drive time Reset the image drum counter refer to User s Manual EEPROM data Upload Download Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 59 OK i Service Guide OKIPAGE 10ex Chapter 4 Adjustments 4 2 1 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 reset the LED head drive
80. e LCD fore is al XXX PCL Auto Adobe PS HEX DUMP PPR FX e No Take actions according to the LCD status message problem list see Section 6 5 1 for corrective actions e Yes End 1 1 e Take the measurement of the following voltage readings at connector CN2 on the power supply sensor board Voltage between Pins 1 and 3 about 40 V AC Voltage between Pins 5 and 6 about 9 2 V AC Are the voltages within the normal range e Yes Is fuse F3 on the power supply sensor board blown e No Replace the power supply sensor board e Yes Replace fuse F3 if it blows again check the resistance of the registration and main drum motors If it is faulty replace motors or replace the power supply sensor board or main control board e No Is the AC input voltage output between Pins 1 and 2 of connector CN1 on the power supply sensor board normal e Yes Replace the AC transformer e No Is fuse F1 or F2 on the power supply sensor board blown e No Replace the power supply sensor board e Yes Replace blown fuse F1 or F2 if is blows again replace the power supply sensor board Power supphy sensor baard Fuse Ratings 8 Rectitying Smooling Circuit 125V3 15A 250V 25A Figure 6 1 Low voltage Power Supply Block Diagram Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com
81. ed 4 data combination Then the mode becomes valid at the fifth fall of CLOCKI The period during which the illumination correction mode is valid is from the fall of the fifth CLOCK and while the level of LOAD is high When the level of LOAD becomes low the illumination correction mode is terminated and the head returns to the normal mode which is mode with which the printing is normally carried out The LED driver MSM6731BWAF corrects the LED illumination by controlling the LED current The LED illumination can be set in 16 steps with 7 steps in the direction of illumination increase in relation to the standard value and 8 steps in the direction of decrease For this reason the LED correction data is a 4 bit data for each dot The relationship between the LED correction data and LED current correction steps with the LED driver MSM6731BWAF used in an LED head is shown below LED Correction Data Correction Data Correction Correction Mode decreasing illumination Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 18 OK Service Guide OKIPAGE 10ex Chapter 2 Operation 2 4 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 pr
82. ed out by using an EEPROM which is installed in the LSI that maintains the LED illumination correction values and an LED 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 The block diagram of the LED correcting head is shown below TRB1 N STRB2 N MSM6730 STRB3 N WAF STRB4 N From LOADI GPU CLOCKI EEPROM Correction DATAIO Values DATAI1 DATAI2 DATAIS Printing and correction data combined signal line Correction data signal line The existing LED head receives the printing data from the CPU directly at its LED drivers With the LED correcting head a correction control LSI MSM6730WAF is connected between the CPU and LED drivers so the printing data is input to the LED drivers through the correction control LSI In order to maintain compatibility with the existing LED head the printing operation of the LED correcting head is carried out through identical sequence The LED correcting head is a 600 dpi head with the LED drivers located on both sides of the LED array with a 300 dpi pitch spacing The printing and correction data obtained from the CPU through four signal lines are sent to the LED array The printing operation timing chart is shown below Normal Mode Printing Timing Chart cock JU UU UU UU UU ULL ea o o SO o oat UOUOOOCOOOOOO COO ORR Ca Oe STRB2I N a
83. enance Modes 101 1 1 User Maintenance Mode 102 1 2 System Maintenance Mode 103 1 3 Engine Maintenance Mode 104 1 4 User Factory Set Operation 105 Product Accessory 1 RS 232C Serial Interface Option RS 232C Serial Interface Option 106 Product Accessory 2 Multi Purpose Feeder Maintenance 1 PREFACE 107 1 1 Functions 108 1 2 External View and Component Names 109 2 MECHANISM DESCRIPTION General Mechanism 110 2 2 Hopper Mechanism 111 3 PARTS REPLACEMENT 112 3 1 Precautions Concerning Parts Replacement 113 3 2 Parts Layout 114 3 3 Parts Replacement Methods 115 te 3 3 1 Link 116 TTE 3 3 2 Separator 117 ionii 3 3 3 OLEV 11 PCB 118 EPN OS 3 3 4 Pulse Motor 119 Seeeaties 3 3 5 Planet Gear 120 Abily 3 3 6 Roller A and B 121 4 TROUBLESHOOTING Precautions Prior to the 122 Troubleshooting 4 2 Preparations for the Troubleshooting 123 4 3 Troubleshooting Method 124 are 4 3 1 LCD Status Message List 125 5 CONNECTION DIAGRAM Interconnection Diagram 126 0 2 PCB Layout 127 6 PARTS LIST 128 Product Accessory 3 High Capacity 2nd Paper Feeder High Capacity Second Paper Feeder Maintenance 129 1 OUTLINE Functions 130 1 2 External View and Component Names 131 Table of Contents Page 2 MECHANISM DESCRIPTION General Mechanism 132 2 2 Hopper Mechanism 133 3 PARTS REPLACEMENT 134 3 1 Precautions Concerning Parts Replacement 135 3 2 Parts Layout 136 3 3 P
84. ensor plate by pushing it up Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 44 OK YT Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 19 Manual Feed Guide Assy 1 Remove the upper cover see 3 3 1 2 Open the manual feed guide assy 1 and release the engagement on both sides with the main unit by carefully bending the manual feed guide assy 1 Note At the time of mounting verify the proper the engagements as shown in the diagram Put into the groove Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 45 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 20 Sensor Plate Paper Supply 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 5 5 Press the clamps of the sensor plate paper supply 1 to unlock the latch and remove it from the base plate 2 t Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 46 OK Service Guide OKIPAGE 10ex Chap
85. er size I O Port Input and output of sensor and motor signals 2 Program and Font ROMs The Program and Font ROMs store the equipment program and various types of fonts Mask ROM is used as Program and Font ROMs The mounting locations of these Program and Font ROMs vary depending on the type of the ROMs 3 DRAM The DRAM is a 2MB resident memory on the main control board that stores edited data image data DLL data and macro data 4 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 5 Parallel Interface Parallel data is received from a host system via parallel interface which conforms to the IEEE 1284 specification ee Ss Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 12 OK i Service Guide OKIPAGE 10ex Chapter 2 Operation 2 2 Power Supply Sensor Board The power supply sensor 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 Application
86. eration when the printer cannot reset automatically to exit from the menu because there are date and DLL s and macros having temporary attributes when the printer is changed from set mode to another mode Daily status Toner is running out This Replace the toner cartridge message is displayed together with another message on the first line Normal operation can be continued Daily status A fault occurred with the toner Replace the power supply sensor board sensor This message is displayed together with another message on the first line Normal operation can be continued Daily status Displays that the amount of lL toner is near empty this status will appear after 100 sheets from a TONER LOW indication It is indicated by being combined with other messages in the first line Normal operation can be continued Daily status Displays that the amount of toner is near empty After 100 sheets from a TONER LOW indication this status will appear and the printing will stop If pressing ON LINE SW another 31 sheets can be printed and stopped And from the next time on the printing is stopped after each sheet Daily status The printer is in the Normal operation power saving mode This message is displayed together with another message on the first line Daily status Informs drum life end It can o HG DRUH be temporarily released by opening and closing the
87. es End No Replace the LED head Has the problem been solved Yes End Note After replacing the LED head set the printer to 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 1 No Replace the main control board or power supply sensor board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 86 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 5 Cyclical defect Frequency Remedy Image Drum 3 71 94 2mm Clean or replace the image drum unit Developing roller 1 86 47 12mm Replace the image drum unit Toner supply roller 2 96 75 27mm Replace the image drum unit Charging roller 1 21 30 63mm Replace the image drum unit Cleaning roller 0 93 23 56mm Replace the image drum unit Transfer roller 1 95 49 6mm Replace the image drum unit Heat roller 2 44 62 0mm Replace the heat roller Back up roller 2 73 69 4mm Replace back up roller Note After replacing the image drum cartridge set the printer to the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook a Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business
88. essages on the LCD are listed in Table 6 1 6 5 2 LCD Message Troubleshooting Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 70 Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 6 5 1 LCD Status Message Problem List The status and problems which may be displayed by messages on the LCD are listed in Table 6 1 Category LCD status message Code nn Problem or Status Remedy Error Control errors ERROR On An error occurred in Normal operation cannot be AAAAAAAA the controller ensured Turn the power off then back on to restart If normal operation is not recovered by this restart procedure replace the main control board 1 3 Reserved D F 4 Address Error Exception Load command command fetch 5 Address Error Exception Store command 6 Bus Error Exception Command fetch 7 Bus Error Exception Load command store command 8 System Call Extension 9 Break Point Exception A Reserved Instruction Exception B Coprocessor Unusable Exception C Arithmetic Overflow Exception An error occurred in Turn the power off then back on the controller to recover from the error If normal operation is not recovered by this restart procedure use the following remedial actions 10 An error was Replace the m
89. everal times to clean the head Note Gently press the LED head cleaner onto the LED lens array 2 Throw the cleaner pad away Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 64 OK Service Guide OKIPAGE 10ex Chapter 5 Maintenance 5 2 2 Cleaning Page Function There is a charge roller cleaning function with this printer which can be executed by the user 1 While the printer is in off line mode press both lt and gt keys simultaneously for at least 2 seconds The printer enters the cleaning mode 2 The LCD displays CLEANING on the upper line and on the lower line MANUAL LETTER REQUEST is displayed scrolling one character width at a time from right to left LETTER on the lower line may instead be A4 depending on the printer designation While the lower line scrolls the message the message on the upper line remains fixed in place When the above messages appear on the LCD the user can verify that the printer has entered the cleaning mode and that it is requesting insertion of a letter or A4 size paper into the manual feederslot 3 Insert a sheet of paper into the manual feeder slot 4 Toner attached to the image drum is transferred onto the inserted sheet and the sheet is ejected with the toner residues printed While this process is going on the LCD displays PRIN
90. f back up roller and engage the reset lever L 4 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 38 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 13 Registration Roller 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 5 5 Remove the motor assy see 3 3 10 6 With the lower base unit standing on its side remove the one way clutch gear 1 7 Press the registration roller 2 in the direction of arrow A and lift up the left side of it then remove the registration roller 2 and the bearing registration 3 8 Pull out the registration roller 2 in the direction of arrow B Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 39 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 14 Transfer Roller Assy 1 With the power switch turned off unplug the AC cord from the outlet 2 Open the stacker cover 3 Release the roller transfer assy 1 by unlocking the latch of the main unit never apply excessive force when unlocking the latch 4 Lift the right side of the roller tran
91. f the irradiated portion of the image drum drops forming an electrostatic latent image associated with the image signal LED head Charge roller Power supply Paper Image drum 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 mm thick 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 moved to the 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 v 750 Image drum Surlace potential 100 bee a Charged pant Pat Charged irradiated part Leb 4 Developing Toner is attracted to the electrostatic latent image on the image drum surface converting it into a visible toner
92. g unit assy see 3 3 15 2 Lift the left side of the back up roller 1 and pull it out to the left side at this time two bushings back up 2 and the bias springs back up 3 will also come off A Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 42 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 17 Sensor Plate Inlet 1 Remove the upper cover see 3 3 1 2 Remove the eject roller assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 5 5 Press the clamps of three sensor plates inlet and paper 1 and remove them by pressing them upward from the t bottom Sensor plats inet Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 43 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 18 Sensor Plate Outlet 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the eject roller assy see 3 3 9 4 Remove the face up stacker assy see 3 3 8 5 Remove the lower base unit see 3 3 5 6 Remove the fusing unit assy see 3 3 15 7 Press the clamps of the sensor plate outlet 1 and remove the s
93. generation riru Fosing temperature coriel arcuit Heater drive circus Multi Purpose peder Opica High Capacity Second Paper Feedar Ostion Coes ion Pane G Drum Mator w Registration Motor Devalouping roller Figure 2 1 OKIPAGE 1Gex Block Diagram 2 2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 11 OK i Service Guide OKIPAGE 10ex Chapter 2 Operation 2 1 Main Control Board The main control board consists of a single chip CPU two program font ROMs four 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 32 bit external bus 28 24 MHz clock with input frequency from a 7 06 MHz clock which incorporates the RISC CPU and its peripheral devices and has the following functions Built in Device Function Chip select controller Control of ROM DRAM and I O device Bus controller DRAM controller DMA controller Transfer of image data from DRAM to video output port Parallel interface controller Control of Centronics parallel interface Serial interface controller Control of RS 232C serial interface Video output port Controls LED head LED STB output port Timer Generation of various control timing Monitoring of paper running and pap
94. he troubleshooting according to the following procedure 4 3 1 LCD Status Message List Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 125 Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 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 Description Recovery method Jam error Notifies of occurrence of jam while the paper is being fed from Multi Purpose Feeder Check the paper in the Multi Purpose Feeder Carry out the recover printing by opening and closing the cover and turn the error display off When the problem occurs frequently go through the Troubleshooting Paper size error g FEEDER Notifies of incorrect size paper SIZE ERR 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 out the recovery printing by opening and closing the cover and turn the error display off Tray paper out Notifies of no paper state of the Multi Purpose Feeder Load the paper in Multi Purpose Feeder JAM Error Paper Inlet Jam e Does paper jam at the inlet when the power is turned
95. his part is countermeasure for envelope wrinkle and common part to bias spring A Both side springs must be exchanged at the same time eS Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 97 OK Y Service Guide OKIPAGE 10ex Chapter 8 Parts List Upper Cover Unit Figure 8 2 Upper cover unit No _ Name Rating Part No Use Remarks ODA Part No 1 Upper cover 1PP4128 1133P001 1 53074501 2 IC card cover 2PP4128 1155P001 1 53069301 3 Cover Lid 40104801 1 40104801 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 98 OK Service Guide OKIPAGE 10ex Chapter 8 Parts List Base Unit No Name Rating Part No Use Remarks ODA Part No 1 Base plate adhesion 2PP4083 7672G001 1 809A3000001 51011101 810AXXXXXXX 1 Plate Assy Base 40919401 1 811AXXXXXXX 40919401 2 Cassette guide L assy 3PP4083 7670G001 1 51017301 3 Cassette guide R assy 3PP4083 7671G001 1 51017401 4 Sensor plate paper supply 4PP4083 7667P001 1 51011401 5 Insulator 3PB4083 6144P001 1 51709401 6 Main control board Board M5B 40
96. ic checking items provided in the Printer Handbook 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 142 OK i Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 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 OKIPAGE t0ax POA FE fix Dome Pa nk OEL INT OKIPAGE f0gx LER PSOE PO ETEE ee 3 mak Logo print Status message display Ready LED display gt lt BLINKING Wl OFF _ Undefined Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 143 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure 4 3 1 LCD Status Message List
97. idata com Page 36 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 11 Hopping Roller Shaft Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 5 5 Remove the motor assy see 3 3 10 6 With the lower base unit 1 standing on its side remove the one way clutch gear 2 and the bearing A 3 7 Remove the hopping roller shaft assy 4 the bearing B 5 comes off so be careful not to lose it Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 37 OKI Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 12 Stacker Cover Assy 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the reset lever R 1 5 Detach the reset spring 2 from the lower base unit 3 turn the reset lever L 4 in the direction of arrow A until it stops and remove it in the direction of arrow B 6 Unlock two latches of the lower base unit 3 then remove the stacker cover assy 5 Note When reinstalling the reset level L 4 fit it onto the guide of the lower base unit 3 turn it in the direction of arrow C while pressing down the shaft o
98. idata com Page 90 OK Y Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting Figure 6 4 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 91 OK Y Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting Figure 6 5 Power supply board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 92 Service Guide OKIPAGE 10ex Chapter 7 Wiring Diagram 7 1 Interconnect Signal Diagram PROG eeuse ars amod Sy us 24 Ou 31 S184 Seuss ANOZ p Bato UL JUN SUB I 1m 2 4 watit wars rset ts a i esa wrasse a Suey asni peng Addng po Og a eipa 7 H 3 Loans pH nag Pit 19008 OL 1G URS pu ah nang FPO rons pe PLOG O4U0T URW i peog UosdO JA PIEJ SOMOqUED Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 93 OK YT Service Guide OKIPAGE 10ex Chapter 7 Wiring Diagram 7 2 PCB Layout and Connector Signal List 1 Main Control Board M5B PCB Printer front side gt f 2 N LED Head Operator pane Printer front side Ce Aa Contact face a DK Co
99. ide OKIPAGE 10ex Chapter 4 Adjustments 4 1 4 EEPROM Initialization The corresponding are the EEPROM is initialized for each event as shown in Table 4 1 No EEPROM Area Menu Level 2 Menu Level 1 F W revision area User maintenan ce area Note1 Customer Information Fuser counter Drum counter System mainten ance area Note1 Engine mainten ance area Note1 Page counter 1 User O maintenanc e menu reset 2 System O O maintenanc e EEPROM reset 3 Engine maintenanc e engine reset Note2 Note2 4 Firm revision O O check error at power on 5 Engine ID check error at power on 6 Customer O O setting 7 User O O information error O Represents initialization Note1 Items of each maintenance menu which are subjects here are listed in the following table Note2 Only when the page counter is 500 sheets or less it is reset to 0 Table 4 1 Items of Each Maintenance Menu Targeted for EEPROM Reset User maintenance menu area System maintenance menu area Engine maintenance menu area Receiving buffer SIDM emulation switch enable disable Adjusting head type excluding during engine reset in engine maintenance Operator panel menu function enable disable 600 x 1200 DPI strobe time relative value excluding during engine reset in engine maintenance X Y Adjust Installed LED hea
100. ied grade Yes Is the lens of the LED head dirty Yes Clean the lens No Is the LED head installed properly check the HEAD1 and HEAD2 connectors of the main control board and PC connector on the LED head for proper connection No Install the LED head properly Yes Is the contact plate of the transfer roller in contact with the contact assembly of the power supply sensor board properly see Figure 6 5 No Adjust the contact plate of the transfer roller to make a proper contact with the power supply sensor board and shaft of the transfer roller Yes Are the contact of the developing roller and the contact of the toner supply roller of the image drum cartridge in contact with the contact assembly properly see Figure 6 4 A and B No Adjust the contacts of the developing and toner supply to make a proper contact with the contact assembly Yes Replace the transfer roller No Has the problem been solved Yes End No Replace the image drum cartridge Has this problem been resolved Yes End Note After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook No Is the tension between the back up roller 7 52kg and the surface of the back up roller normal No Replace the back up roller or bias spring Yes Replace the main control board or power supply sensor board a Co
101. ion of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 151 OKT Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder SECTION 2 MECHANICAL ASSEMBLY SECTION2 MECHANICAL ASSEMBLY A e R Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder Page 152 2nd Tray Parts List Table 6 2 No Description OKI J Part OKIDATA Part Qty U 500 100 1 Plate upper 1PP4122 1401P001 51023301 1 3 5 2 Sheet guide assembly 3PA4122 1370G001 50222001 1 3 5 3 Front cover assembly 1PA4122 1369G001 53075301 1 3 5 4 Inner guide assembly 3PA4122 1371G001 50221501 1 3 5 5 Cassette assembly 2nd tray 1PA4122 1362G004 50107304 1 3 6 6 Separation frame assembly _ 4PP4120 1009G001 53345801 1 6 12 7 Cover rear 1PA4122 1323P001 n a 1 3 5 8 Stick finger 4PB4122 1441P001 51023401 1 3 5 9 Hopping frame assembly 1PA4122 1366G001 50222401 1 3 6 10 Bush metal ADF 4PP3522 3568P001 51608901 1 3 5 11 Gear z70 4PP4122 1207P001 51239001 1 3 5 12 Lever sensor p 3PP4122 1331P001 50411201 1 3 5 13 Feed roller assembly 3PA4122 1393G00
102. 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 6 Fusing When the 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 lamp which generates heat A thermistor which is in contact with the heater roller regulates the temperature of the heater roller to a designated temperature in the menu depending on the thickness of the paper tray 1 amp 2 light 165 C medium light 170 C medium 175 C medium heavy and heavy 195 C manual feeding and power envelope feeder light 175 C medium light 180 C medium 185 C medium heavy 190 C heavy 195 C transparency 160 C A safety thermostat cuts voltage supply to the hea
103. is 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 e This function sets the first character printing position on the first line e The operation mode starts automatically upon completion of resetting 5 Operator Panel Menu Disable This function is for enabling and disabling the operation panel menu functions Menu 1 Menu 2 Tray Select Copies and Paper Size Sets the sie ot wea where at owriching ether of PCL and POSTSCRIPT to Be courtiepael emiromismt such as permanent OLL and MACRO can be saved for the machd part ond when 4 is returned ts savad ere dirina Cail be secatbed Enable only when P S option additional memory is con rected ond cable of obtsreng HI sspe to Ue sue of addtional memory wich is anstafied when thts setting is selected Saning ol recenang Indar H pou select a large valve the dats vansmittng lime Irom PC wil Be shortened but Memory Overllow become easy to happen Wirang io the EEPROM amp pectoris ater pressing te ENTER tey Press the ON LIME tey you wih DISABLE to get our of this mode ator bey Writing mmo the EEPROM is pectored ater pressing the i ENTER key Prass che ON LINE koy H yon wtih to gan ma ot dus mode Range ol Adani 2 Menm to 2 Merer Sir spa MENU key gi ai Welling info the EEPROM rs performed ater presang the Se ons Jaret Press thee
104. is material http opx okidata com Page 136 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 3 2 Parts Layout This section describes the layout of the main components Upper Plate Gude A 2rd Assy finchades stepping morr and TOSS 2 PCB Guide L 2nd Assy Figure 3 1 Figure 3 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 137 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below 3 3 1 Stepping Motor Hopping 3 3 2 TQSB 2 PCB 3 3 3 Hopping roller shaft assy and One way clutch gear Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 138 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 3 3 1 Stepping Motor Hopping 1 Turn the printer power switch off pull out the AC cord from the outlet Remove the printer off High Capacity Second Paper Feeder 2 Take the paper cassette assy 1 out of High Capacity Second Paper Feeder
105. isplay off Tray paper out Notifies of no paper state of the High Capacity Second Paper Feeder Load the paper in High Capacity Second Paper Feeder Paper size request OOO Paper size A4 Letter Legal etc The 2nd line is shift indicated Notifies of correct paper size for the High Capacity Second Paper Feeder Load the requested size paper in the High Capacity Second Paper Feeder JAM error Paper Inlet Jam e Does paper jam at the inlet when the power is turned on e YES Is the paper located above the sensor plate inlet e YES Remove the paper e NO Is the sensor plate inlet operating normally e NO Replace the sensor plate inlet e YES Replace the power supply sensor board or inlet sensor e NO When the paper is fed in does the paper inlet jam occur e YES Is the paper being fed to above sensor plate inlet e YES Is the sensor plate inlet operating normally e NO Replace the sensor plate inlet e YES Clean the inlet sensor on the power supply sensor board or replace the power supply sensor board or inlet sensor e NO Replace the hopping roller shaft assy or paper cassette e NO Are the hopping roller and feed roller rotating e YES Set the paper properly e NO Is the pulse motor turning e YES Replace the hopping roller shaft assy or one way clutch gear on the feed roller assy e NO Is the connector being connected properly e NO
106. l Assy 3 3 5 Lower Base Unit 3 3 6 Pulse Motor Main Drum 3 3 7 Pulse Motor Registration 3 3 8 Face Up Stacker Assy 3 3 9 Eject Roller Assy 3 3 10 Motor Assy 3 3 11 Hopping Roller Shaft Assy 3 3 12 Stacker Cover Assy 3 3 13 Registration Roller 3 3 14 Back up roller 3 3 15 Sensor plate inlet 3 3 16 Toner sensor 3 3 17 Sensor plate outlet 3 3 18 Manual feed guide assy 3 3 19 Sensor plate Paper supply 3 3 20 Main control PCB 3 3 21 Power supply board and contact assy 3 3 22 Transformer 3 3 23 Power supply sensor board and contact assy 3 3 24 Cassette guide L 3 3 25 Cassette guide R _ Ee Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 26 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 1 Upper Cover Assy 1 With the power switch turned off unplug the AC power cord from the outlet 2 Disconnect the interface cable 1 3 Press the knobs 2 on left and right sides and open the stacker cover assy 3 4 Take out the image drum unit 4 5 Remove two screws 5 and open the manual feed guide assy 6 Lift the front side of the upper cover 7 up and unlock the latches at two locations on the back side Lift and remove the upper cover assy 7 Notes 1 When removing or reinstalling the upper cover be careful not to get the motor cable
107. nge BPX for any updates to this material http opx okidata com Page 110 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 2 MECHANISM DESCRIPTION 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 111 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 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 and a single paper caught by the separator is fed into the printer Paper Support Planet Gear Printer Roller A Roller B Back up Roller Hopping Roller Shaft Assembly Transfer Roller Registration Roller Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange B
108. ntact face Printer front side 1 6 2 Power Supply Board in case of 200V senes there is no F2 on the power supply sensor board FAN Connector Pin Assignment To fan motor Opening PIN NO O Signal Description 1 1 O FANPOW Power supply for fan driving 2 2 c ov Ground 3 3 FANALM N Fan alarm DM Connector Pin Assignment To main drum motor Opening PIN NO VO Signal Description 1 1 O DMPH1 N Coil 1 N 2 2 O DMPH1 P Coil 1 P 3 3 O DMPH2 N Coil 2 N 4 4 O DMPH2 P Coil 2 P Excitation sequence Step No Step No Step No Step No Pin No Line Color 1 2 3 4 2 Yellow 4 Black 1 Orange 3 Brown Turning direction Clockwise when viewed from the output axis RM Connector Pin Assignment To registration motor Opening PIN NO VO Signal Description 1 1 O RMPH1 N Coil 1 N 2 2 O RMPH1 P Coil 1 P 3 3 O RMPH2 N Coil 2 N 4 4 O RMPH2 P Coil 2 P Excitation sequence PIN NO Line Color Step No Step No Step No Step No 1 2 4 2 Yellow 4 Black 1 Orange 3 Brown Rotary direction Clockwise viewed from the output axis Head1 Connector Pin Assignment To LED Head PIN NO 1 0 Signal Description 1 C OVLOGIC Ground for logic 2
109. ntly see Section 6 5 2 3 Tray paper out The tray has run out of paper tray TRAY1 TRAY2 FEEDER Load paper in the tray Size error The indicate rotate Loading of paper indicated by the first line message is requested The paper size may be one of the followings Paper LETTER EXECUTIV LEGAL 14 LEGAL 13 A4 SIZE A5 SIZE A6 SIZE B5 SIZE COM 9 COM 10 MONARCH DL ENV C5 ENV Load the requested paper in the tray Size error MANUAL IREQUEST The indicate rotate Manual loading of paper indicated by the first line message is requested The paper size may be 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 Load the requested paper in the tray Buffer overflow The receive buffer is Press the operator panel RECOVER key overflowing on the operator panel to release the error display Change the setting of the host or printer so that the host can detect the busy status of the printer Resend the data from the host to the printer Replace the interface cable or main control board Buffer overflow The page buffer is overflowing Press the RECOVER key to release the because it received too much error display data for printing on the page Install additional optional RAM board or Macro buffer is overflowing
110. ocation 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 No 1 100 Philips screwdriver No 2 100 Philips 3 5mm screws screwdriver NO 3 100 screwdriver NO 5 200 screwdriver Digital multimeter Pliers cleaner Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 114 OK Service Guide OKIPAGE 10ex n Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 3 2 Parts Layout This section describes the layout of the main components Upper Frame DS Pulse Motor Separator Figure 3 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 115 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below Mutli Purpose Feeder
111. ocess If any of the following 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 e The paper is in contact with the inlet sensor when the power is turned on e After hopping operation is attempted three times the leading edge of the paper does not reach the inlet sensor Paper feed jam e The paper is in contact with the paper sensor when the power is on e The leading edge of the paper does not reach the paper sensor within a predetermined feeding distance since the paper has reached the inlet sensor e The leading edge of paper does not reach the outlet sensor within a predetermined feeding distance after the paper has reached the paper sensor Paper exit jam e The paper is in contact with the outlet sensor when the power is turned on e The paper does not pass over the outlet sensor within a predetermined feeding distance after the leading edge of the paper has reached the outlet sensor e The paper size check for manual feeding finds that the paper size is free size Paper size error e The size of the paper is monitored by the inlet sensor 1 The paper is not detected by the inlet sensor 1 within predetermined feeding distance e The inlet sensor 2 detects that the size of the loaded paper is A4 or larger or smaller than A4 e The detected paper size differs from the paper size set
112. onnected 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 necessary to adjust the following settings manually after the replacement using the Maintenance Utility e LED driver time See 4 2 1 e Factory setting ODA OEL INT A INT L The maintenance utility is designed to be used only by field engineer and it should not be released to the end users Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 61 OK Service Guide OKIPAGE 10ex Chapter 5 Maintenance 5 1 Periodical Replacement Parts Part name Condition for replacement Cleaning Remarks Toner cartridge Type 5 About 2 000 sheets of paper have LED head Consumables
113. or on the power supply sensor board or replace the power supply sensor board No Is the face up stacker pulled out completely from the printer or pushed into the printer completely e No Pull the face up stacker out of the printer completely or push it into the printer completely e Yes Is the eject roller assembly being installed properly e No Install the eject roller assembly properly e Yes Has the coil spring come off the eject roller assembly e Yes Install the coil spring to the eject roller assembly e No Replace the eject roller assembly a Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 77 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 3 Paper size error e Is paper of the specified size being used e No Use paper of the specified size e Yes Are inlet sensor plates 1 and 2 operating properly moves freely when they are touched e No Replace the inlet sensor plate or clean the inlet sensor on the power supply sensor board e Yes Does the outlet sensor plate operate properly moves freely when it is touched e No Replace the outlet sensor plate or clean the outlet sensor on the power supply sensor board e Yes Replace the power supply sensor board Exit roller Outlet sensor 0 i Paper sensor 0 Registration roler Pape
114. ot connected e Connector pin arrangement 13 1 coco0cdo0000n0 ceoo0ecdao0o0dsa 14 View from cable side When the Ready Busy protocol is used for the buffer busy control method the busy signal can be set to Pin 20 DTR in the menu 4 Signal Level e MARK polarity 3V to 15V LOGIC 1 e SPACE polarity 3V to 15V LOGIC 0 5 Interface Circuit a Receiving Circuit 75188 of equivalent NPUT r H i Hi i i OUTPUT 12V taw INPUT b Sending Circuit 75188 or equivalent V OUTPUT Note The signal levels described above is for the case where 3K Ohms x 15pF is connected to the terminal 6 Receive Margin 37 min at all reception rates 7 Communications Protocol a READY BUSY protocol b X ON X OFF protocol 8 Interface Parameter Setting The following settings are possible by pressing the ENTER key after selecting the display contents of the LCD of the operator panel by using the and keys Settings are retained even when the printer power is turned off By press the ON LINE key menu setting mode is completed an the printer returns to on line state ney OFF LINE o XXX ij XXX PCL AUTO Adobe PS HEX DUMP PRR or FX Keep the MENU key down for more than 2 seconds and bring the printer into menu setting mode level 2 Next prass the MENU key 10 times IAL is di RS232C RS232C SERIAL is displayed on the LCD SERIAL P
115. pened Close the cover to release the error me open display If the display does not change after this procedure replace the power supply sensor board Cover open The High Capacity Second Close the cover to release the error Paper Feeder option cover display was opened Check the connection between the main control board and TQSB 2 PCB Replace the main control board TQSB 2 PCB or connector Jam errors tray A jam occurred during paper Check the paper in the cassette Open hopping from the tray and then close the cover When the cover is closed recovery printing is tray TRAY1 TRAY2 performed and the error display is FEEDER MANUAL released If this error occurs frequently see Section 6 5 2 2 1 Jam errors A jam occurred during paper Open the cover remove the paper then feeding after completion of paper hopping from the tray tray TRAY1 TRAY2 FEEDER close the cover When the cover is closed recovery printing is performed and the error displayed is released If this error occurs frequently see Section 6 5 2 2 2 Paper size error Paper of improper size is being fed from the tray tray TRAY1 TRAY2 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 perform recovery printing and release the error display If this error occurs freque
116. 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 Service Tools No 1 100 Philips ne Sa screwdriver No 2 100 Philips screwdriver Ey No 3 100 screwdriver O a No 5 200 screwdriver I amp gt 7 Digital multimeter lt eoa Te 5 0 mm wrench Vacuum with toner fiker lt gt LED Head cleaner Cleans LED head Maintenance Utility Adjustment of printer etc Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to thi
117. pyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 83 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 2 Dark background density Has the image drum been exposed to external light Yes Install the image drum in the printer and wait about 30 minutes No Perform the cleaning page function see Section 5 2 2 Has the problem been solved Yes End No Is the heat roller of the fusing unit dirty Yes Clean the heat roller No Is the contact of the cleaning roller of the image drum cartridge in contact with the contact assembly properly see Figure 6 4 C No Adjust the contact of the cleaning roller to make a proper contact with the contact assembly Yes Replace the image drum cartridge Has the problem been solved Yes End Note After replacing the image drum cartridge set the printer to the user maintenance mode by turning the power on while pressing the MENU key and reset the drum counter see Printer Handbook No Replace the main control board or power supply sensor board a Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 84 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 3 Blank paper is output Is the L
118. r leading drastica Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 78 OK Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 4 Fusing unit error ERROR 71 ERROR 72 ERROR 73 e Turn the power off then back on again e Yes Is the thermistor open or shorted Measure the resistance between thermistor contacts heater contacts 120V 3W or 240V 10W and thermistor contacts 220K Ohms at room temperature see Figure 6 2 below or Section 7 3 e Yes Replace the fusing unit e No Do the thermistor contacts touch the contact assembly properly when the fusing unit is mounted in the printer e No Adjust the contacts of the contact assembly Yes Is the heater of the fusing unit turned on when the heater is turned on light is emitted e Yes Check the thermistor contacts or replace the main control board or the fusing unit No Is the AC voltage being supplied to the contacts for the heater of the contact assembly see Figure 6 2 below e No Replace the main control board or the power supply sensor board e Yes Check the heat contacts of the fusing unit and the contact assembly for poor contact see Figure 6 4 contact G Themistor contacts Figure 6 2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDAT
119. r or High Capacity Second Paper Feeder Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 127 OKT Service Guide OKIPAGE 10ex Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 5 2 PCB Layout OLEV 11 PCB Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com OK Service Guide OKIPAGE 10ex Page 128 Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 6 PARTS LIST Figure 6 1 Multi Purpose Feeder Table 6 1 Multi Purpose Feeder No Description Oki J Part No ODA Part No Q ty Remark 1 Roller A 3PB4083 5514P001 50409201 1 2 Roller B 3PB4083 5524P001 53343901 1 3 Planet gear 4PP4083 5520P001 51229601 1 4 Link 3PP4083 5540P001 53344101 1 5 Separator 3PP4083 5544P001 53344201 1 6 Pulse motor 4PB4083 6075P001 56510701 1 7 OLEV 11 PCB 4YA4121 1014G011 55074811 1 8 Connector cable 3YS4011 3141P003 56631203 1 For ODA 9 Separator assy 3PA4083 5549G001 53347101 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 1
120. reduce the print data The DLL buffer is overflowing Buffer overflow The printer overrun because Press the RECOVER key on the the print data is too operator panel to release the error complicated to be printed display Simplify page data formatting Daily status The printer is in the off line Normal operation mode The second line indicates the emulation emulate AUTO PCL PPR FX HEX Daily status ACTIVE The printer is processing Normal operation 4 data Daily status oO The printer is printing a page Normal operation Daily status DATA The printer is processing data Normal operation O Jomulate in the on line mode READY ON The data that is not printed remains in the buffer Ready flashing The printer is receiving data or in printing process emulate AUTO PCL PPR FX HEX Buffer overflow The receive buffer is Press the operator panel RECOVER key overflowing on the operator panel to release the error display Change the setting of the host or printer so that the host can detect the busy status of the printer Resend the data from the host to the printer Replace the interface cable or main control board Buffer overflow The page buffer is overflowing Press the RECOVER key to release the because it received too much error display data for printing on the page Install additional optional RAM board or Macro buffer is overflowing reduce the print data The DLL
121. ress the ENTER key Flow CTL DTA H DYAH SPACE READY MAAK AEADY XMONMOFF Oooo RBSTXON Sending at intervals of 1 sac Factory Sesng DTA HI FLOW CTL Contents Presa the MENU key e Baste O Eo 6H a O Oo wwo OOOO o O ji C oew a E f BAUDRATE a 0 Factory Setting 9800 baud Press the MENU key U i DATABITS E Press the MENU key ae Factory Setting amp bit aa NONE Pn party Factory Setting NONE 4 Prass tha MENU key item Mirimur BUSY Time Factory Setting 200 m SEC PCL ory Press the ON LINE key Satting completed may ON LINE XXX XXX PCL AUTO Adobe PS HEX DUMP PAR or FX Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 107 OKI Service Guide OKIPAGE 10ex n Chapter Product Accessory 2 Multi Purpose Feeder Maintenance 1 PREFACE This Maintenance Manual is intended for the service person and describes the field maintenance methods for Multi Purpose Feeder option of OKIPAGE 10ex Series LED Page Printer Refer to the Printer Handbook for equipment handling and operation methods Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upd
122. rom High Capacity Second Paper Feeder h High Capacity Second Paper Feeder downloading table selection Selects the downloading table of High Capacity Second Paper Feeder i Power Envelope Feeder paper feeding quantity setting Sets the amount of paper to be fed from Power Envelope Feeder j Power Envelope Feeder downloading table selection Selects the downloading table of Power Envelope Feeder k Engine Reset All EEPROM areas used by the engine section are reset to factory default values The followings however are not reset After reset the printer returns to normal operating mode Menu Level 1 Menu Level 2 Operator Panel Menu Disable Enable LED HEAD No LED HEAD WID Page Print Disable Enable Note Please do re set up LED Head type to Type2D4 when the printer was done the engine reset operation by manual or auto setting Because when it is done the LED Head type is returned to the initial setting which is Type 1 Application ROM F W Ver 1 01 8174627N001 1 MX23C2410MC 10 100 IC3 8174627N0012 MX23C2410MC 10 101 IC2 Note Printing start position setting is for shipping Do not change its default value Detailed descriptions of these functions are provided in Appendix D DIAGNOSTICS TEST Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 57 Service Gu
123. rs the heat roller temperature via the thermistor and regulates the heater roller to keep it at a designated temperature in the menu depending on the thickness of the paper tray 1 amp 2 light 165 C medium light 170 C medium 175 C medium heavy and heavy 195 C manual feeding and power envelope feeder light 175 C medium light 180 C medium 185 C medium heavy 190 C heavy 195 C transparency 160 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 The temperature setting of the fuser can be changed through operator panel setting Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 15 OK i Service Guide OKIPAGE 10ex Chapter 2 Operation 2 3 2 Electrophotographic Process The electrophotographic processing is outlined below The electrophotographic printing process is shown in Figure 2 4 see below 1 Charging The surface of the image drum is charged uniformly with a negative charge by applying the negative voltage to the charge roller 2 Exposure Light emitted from the LED head irradiates the negatively charged surface of the image drum The surface potential of the irradiated portion of the
124. ry 3 High Capacity 2nd Paper Feeder 3 3 2 TQSB 2 PCB 1 Remove the pulse motor see 3 3 1 2 Remove the connector 25 from the TQSB 2 PCB 26 3 Remove the screw 27 and remove the TQSB 2 PCB 26 Note Refer to Detall A in the previous section see 3 3 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 140 OKT Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 3 3 3 Hopping Roller Shaft Assembly and One way Clutch Gear 1 Follow up to step 3 of 3 3 1 and remove the hopping frame assy 2 Remove the screw 1 and remove the earth plate 2 Remove the sensor lever 7 and remove the ground plate 6 Remove the gear 3 and remove the metal bush 5 and hopping roller shaft assy 4 3 Remove the E ring 11 and remove the one way clutch gear 12 on the right side of the feed roller 10 Note The metal bush 13 also comes off Be careful not to lose it 5 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 141 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 4 TROUBLESHOOTING Precautions Prior to the Troubleshooting 1 Go through the bas
125. s i re rs ie STRBAI N _ _ _ _ _ _ gt First line printing data sent Second line printing data sent First line printing The printing operation is carried out in normal mode Under ordinary circumstances such as when the power is turned on or when LOADI signal level is low the normal mode is enabled The printing operation is carried out in the following sequence First the printing data DATA13 through DATA10 are stored sequentially shifted in the shift registers of the LED drivers by the printing data synchronous clock CLOCK Then the printing data stored in shift registers are latched by the high level pulse of LOAD The latched printing data turns the LEDs on by STRB11 N through STRB41 N and actuates printing The mode setting timing chart during illumination correction is shown below Illumination Correction Mode Setting Timing Chart 50ns 50ns min min 200ns min 100ns min hg LOAD B DATAIO foaXosXozxorXooX XX XX X XK SRR _ __ aA M STRB2 N _ _ __AAR Qo9aaa aaaaaaaaaaauasasasasasasasasussusssssssssssssss 5I5 STRBI N ov OO NN SRE _ _ __ aaaaaaaaaaaaaaaasassasassssssssssssasasasasasasssss5 Mode setting Mode enabled ot set The mode setting is carried out in the following manner LOAD is fixed at high level and DATA10 which comes up following this is 4 data latched with the timing of the fall of CLOCK The illumination correction mode is selected based on the latch
126. s material http opx okidata com Page 22 OK Y Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 2 Parts Layout Lower base unit This section describes the layout of main parts of the equipment Lower base unit t A SA Pulse motor registration Fusing unit Image drum unit consumable Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 23 OK Y Service Guide OKIPAGE 10ex Chapter 3 Disassembly Upper cover unit Upper cover Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 24 Service Guide OKIPAGE 10ex Chapter 3 Disassembly Bik Base unit Operator panel assy Power supply sensor board Transformer Main control board Cassette gidell Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 25 OK i Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 How to Change Parts This section explains how to change parts and assemblies listed in the disassembly diagram below 3 3 1 Upper cover 3 3 2 IC Card Cover 3 3 3 LED head 3 3 4 Operator Pane
127. s material http opx okidata com 6 PARTS LIST Service Guide OKIPAGE 10ex Page 148 Chapter Product Accessory 3 High Capacity 2nd Paper Feeder Figure 6 1 High Capacity Second Paper Feeder Table 6 1 High Capacity Second Paper Feeder No Description Oki J Part No ODA Part No Q ty Remarks 1 Hopping roller shaft 3PA4122 1367G001 50409501 1 2 One way clutch gear 4PB4122 1382P001 51401101 1 3 Pulse motor 3PB4122 1399P001 56512201 1 4 TQSB 2 PCB 4YA4046 1651G002 55078102 1 5 Cassette assy 2nd tray 1PA4122 1362G004 50107304 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 149 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 2nd Tray ASSEMBLY 2nd Tray ASSEMBLY SECTION CABINET amp CASSETTE ASSEMBLY SECTION2 MECHANICAL ASSEMBLY SECTION CABINET amp CASSETTE ASSEMBLY Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 150 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder SECTION 1 CABINET amp CASSETTE ASSEMBLY SECTION CABINET amp CASSETTE ASSEMBLY Copyright 1998 Okidata Divis
128. s tangled or caught 2 When reinstalling the screws 5 be sure to direct the screws into preexisting threads Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 27 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 2 IC Card Cover 1 Open the IC card cover 1 press it from both sides at the hinges in the directions of arrows shown below and remove it Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 28 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 3 LED Head 1 Press the knobs on left and right sides and open the stacker cover assy 1 2 Open the hook section on the left side of the stacker cover and remove the LED head 2 Note Be sure not to touch directly or push on the SLA part of the LED head Do not remove the LED cable 3 from the connector Remove connector 4 and cable 3 together as an assembly from the LED head After mounting the new LED head and reinstalling the cable set drive time of the LED head according to the marking on the LED head see 4 2 1 SLA Seltec Lens Array Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange
129. sfer assy 1 and shift it to the right side then pull it out from the main unit at this time the bearings 2 of the left and right sides of the roller transfer assy 1 will also come off Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 40 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 15 Fusing Unit 1 Remove the upper cover assy see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 12 5 Remove the four screws 1 lift and remove the fusing unit 2 Caution Fusing unit may be hot Use care when handling Notes 1 When reinstalling or removing the fusing unit tighten or loosen the screws while holding the fusing unit assy 2 down with your hand it is being pushed up by back up roller 2 When reinstalling the screws 1 be sure to direct the screws into preexisting thread and avoid damaging the threads 3 Do not apply excessive torque when tightening the screws 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 41 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 16 Back up Roller 1 Remove the fusin
130. t ink R 7 and link pull block 8 9 Remove two screws 10 and remove the square shaped connector 11 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 51 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 26 Spacer Bearing L R 1 Remove the back up roller see 3 3 16 2 Remove spacer bearing L R with a tip of screw driver Spacer bearing L Spacer bearing R Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 52 OK Service Guide OKIPAGE 10ex n Chapter 4 Adjustments 4 Adjustment This chapter provides explanations concerning the adjustment necessary when replacing a part The adjustment is made by changing the parameter value set in EEPROM on the main control board 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 any parts Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 53 OK Service Guide OKIPAGE 10ex Chapter 4 Adjustments 4 1 Maintenan
131. ta Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 72 OK i Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting 1 The printer does not work normally after the power is turned on e Turn the power off then back on e Is all black message being displayed by the LCD display e No lIs the AC cord being connected properly e No Connect the AC cord properly e Yes Is 5 V being applied between Pins 11 and 21 of POWER connector on the main control board Pin21 0V Pin 11 5V e No Is the connection between POWER connector on the main control board and connector CN3 on the power supply sensor board being made properly No Correct the connection e Yes Go to 1 1 e Yes Is 8 V being applied between Pins 23 and 24 GND of POWER connector Pin 23 0V Pin 24 8 V e No Go to A e Yes Is the flexible cable for the operator panel assy being connected to the PANEL connector on the control board and the connector CN1 on the OLCC board properly e No Connect the flexible cable properly e Yes Replace the operator panel assy or flexible cable e Has the problem been solved e No Replace the main control board e Yes End Yes Is INITIALIZING message being displayed by the LCD display e No Replace the main control board ON LINE e Yes Is ON LINE XXX message being displayed by th
132. ter 3 Disassembly 3 3 21 Main Control M5B PCB 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the lower base unit see 3 3 5 5 Remove the connector 2NDTRAY 6 6 Remove the screws 1 7 Move the M5B PCB Main Control Board 2 in the direction of arrow to disconnect it from the power supply sensor board 3 8 Remove the connector FAN and disconnect the fan motor 4 9 Remove the M5B PCB Main Control Board 2 together with the PCB guide plate remove the fan motor 4 at the same time 10 Remove three screws 8 and remove the PCB guide plate 7 from the M5B PCB Main Control Board 2 Note When reinstalling the M5B PCB 2 onto the guide plate 7 be careful not to bend the base plate it is desirable to place a block underneath it to prevent bending Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 47 OK Service Guide OKIPAGE 10ex Chapter 3 Disassembly 3 3 22 Transformer 1 Remove the upper cover see 3 3 1 2 Remove the operator panel assy see 3 3 4 3 Remove the face up stacker assy see 3 3 8 4 Remove the connectors CN1 and CN2 5 Remove two screws 1 and remove the transformer Note When reinstalling the transformer be sure
133. ter off by opening the thermostat in the event of abnormal temperature rises The back up roller is held under a pressure of 3 76 kg applied by the pressure spring on each side Heater roller 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 Cleaning roller Power supply Transter roller 8 Cleaning of rollers The charge transfer and cleaning rollers are cleaned for the following cases Warming up when the power is turned on Warming up after the opening and closing of the cover e When the number of sheets accumulated reaches 10 or more and the printout operation ends Changes in bias voltage applied to each roller move the attaching toner off the roller to the image drum and return it to the developer Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 17 OK Service Guide OKIPAGE 10ex Chapter 2 Operation 2 3 4 Revision of LED Head Illumination An LED correcting head which is capable of correcting the illumination of the LED for each dot is being used in this printer LED illumination correction function of 16 steps is carri
134. the main control board and the power supply sensor board Replace the main control board or power supply sensor board 77 A toner sensor fault Check the installation of image has occurred when drum unit the TOTAL DRUM Replace the power supply sensor COUNT is 30 or less board F5 System timer Turn the power off then back on program error again Defect in the cable of Repair or replace the defective the front feeder paper front feeder paper sensor cable and sensor and the 2 pin 2 pin connector on the main control connector on the board or reconnect the connectors main control board Replace the main control board Poor connection of connectors F6 IPT2 program error Turn the power off then back on again Replace the main control board F7 IPT1 program error Turn the power off then back on again Replace the main control board Interface errors Category LCD status message Problem or status Remedy Interface errors An error occurred in the serial I F This message is displayed when a parity error a framing error or an overrun error is detected When an error occurred in serial FO Press the operator panel RECOVER key to release the error display When serial I F board has been installed Check the settings related serial I F of the menu Replace the serial I F cable or main control board Cover open VER The upper cover was o
135. the power supply sensor board or replace the power supply sensor board e No lIs the main drum motor rotating No Is DM connector on the main control board being connected properly e No Connect DM connector properly e Yes Is the coil resistance normal resistance both between Pins and 2 as well as Pins 3 and 4 are about 2 9W of the main drum motor correct e No Replace the main drum motor e Yes Replace the main control board Yes Is the transfer roller rotating 2 2 a No Check the gears transfer roller gear idle gear and reduction gear o Yes Is the fusing unit being installed properly e No Install the fusing unit properly e Yes Is the image drum cartridge being set properly e No Set the image drum cartridge properly e Yes Clean the paper sensor on the power supply sensor board or replace the power supply sensor board Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 76 OKI Service Guide OKIPAGE 10ex Chapter 6 Troubleshooting Paper exit jam e Does the paper exit jam error occur when the power is turned on e Yes Is the paper on the outlet sensor plate e Yes Remove the paper e No inthe operation of the outlet sensor plate normal moves freely when it is touched e No Replace the outlet sensor plate e Yes Clean the outlet sens
136. this material http opx okidata com Page 133 OK Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 2 2 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 carrying forward only a single sheet caught by the brake shoe at a time Hopping Roller Transfer Roller One way Clutch Roller Pulse Motor Handling Hall Hopping Roller Back up Roler Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 134 OK Service Guide OKIPAGE 10ex n Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 3 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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http opx okidata com Page 135 OK YT Service Guide OKIPAGE 10ex Chapter Product Accessory 3 High Capacity 2nd Paper Feeder 3 1 Precautions Concerning Parts Replacement 1 Parts repla
137. tion roller is prevented from turning by the one way bearing 2 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 1 When hopping is completed the registration motor turning in direction b counter clockwise 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 2 The paper is further advanced in synchronization with the print data Image drum Paper Transfer roller Registration roller Hopping 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 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 750 550 1300 M applied voltage 3 Exposure Light emitted by the LED head irradiates the image drum surface with a negative charge The surface potential o
138. troller is undergoing an initialization when the power is turned on This message is displayed after the turning on of the LEDs as described above Normal operation Daily status Indicates in Cold mode due to downloading to flash memory Normal operation Daily status Indicates that an error occurs during downloading to flash memory or deleting Normal operation Daily status PRINT The demo page is being Normal operation Ready LED on Executed by command entry Ready LED blinking Executed by key operation Daily status When the number of copies Normal operation am being printed is two or more the number of copies being printed is displayed The message is displayed together with another message on the first line nnn Current page mmm Total page Daily status This message is displayed Normal operation when the printer is performing the cleaning print Daily status Manual loading of paper Normal operation indicated by the second line The indicate rotate message is being requested for cleaning The paper size may be one of the following LETTER REQUEST A4 SIZE REQUEST Daily status The data which remained Normal operation unprinted in the buffer is deleted and the printer is initialized to user default settings The temporary DLLs macros and user pattern are deleted Daily status This message is displayed Normal op

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