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Okipage 18/20plus

1. LCD display SYS MNT Press the Menu key PAGE CNT nnnnnn Press the Menu key Press the Xl Pkey PAGE PRT m ENABLE DISABLE Press the Menu key Press the Enter key NTINUOUS CONT PRT Lais ee PRINTING Press the Menu key Press the Enter key LOOP TEST an aa Press the Menu key Press the EEPROM Enter key RESET RESET NG Press the lt lor gt key HSP ERR RECOVER s H STOP HSP ERR CNT nnn Press the Enter key HSP ERR HSP ERR CNT RST RESETNG Press the SIDM lt lor gt key ENABLE t gt DISABLE Press the Menu key Press the ON LINE key INITIALIZING ON LINE Writing into the EEPROM is performed when the Enter key is pressed Press the ON LINE key M After the end of processing ON LINE CONTINUOUS PRINT CANCELED ON LINE End of processing is performed by the power supply off 40931201TH Rev 1 97 4 1 3 Engine maintenance mode The engine maintenance mode is activated when the power is turned ON while pressing to the Form Feed key and Enter key This mode adopts the menu for function selection The method for exit from this mode depends on the setting The engine maintenance mode is provided with the following functions 1 Head type setting select LED Head type Sets
2. 180 3 2 Parts ree De 182 3 3 Parts Replacement Methods 183 St Board eere P dee bore Deere 184 3 3 2 Connector IMSA 9714N 144 185 33 3 Photo Sensor ice t hd lor e eg do doped 186 3 34 6 187 35225 MOTO inc etti i e tes 188 4 TROUBLESHOOTING eiit orte sert trt nec ce etd Ferrea 189 4 1 Precautions Prior to the Troubleshooting eee 189 4 2 Preparations for the 189 4 3 Troubleshooting 190 4 3 1 LCD Status Message 1 5 190 4 3 2 Troubleshooting 191 5 CONNECTION DIAGRAM viaiia iii liaren 194 5 1 Interconnection Diagram 2 194 5 2 en RE UD 195 6 PAR sary ech a tat hs eee tub nto a A 196 D SECOND THIRD PAPER FEEDER MAINTENANCE 199 1 OUTLINE iie ic eerte eite ae ea 199 1 1 FONCIONS ED D E 199 1 2 Appearance and Parts 199 2 Description of operartion eiit 200 2 1 Driving Mechanism esie e
3. aH Outlet sensor Roller Heat L1 Roller transfer Paper sensor L Roller regist Inlet sensor 1 Inlet sensor 2 Feed roller Figure 2 3 Function Detects the leading part of the paper and gives the supervision timing for switching from hopping operation to feeding opera tion Supervises the paper running state and the paper size accord ing to the paper reach time and running time Sensing state Paper exists No paper exists Inlet sensor 2 Paper sensor Detects the form width Detects the leading part of the paper Supervises the paper running state A4 or larger Smaller than A4 Paper exists No paper exists Outlet sensor Toner low sensor Supervises the paper feed and size according to the time of arrival to the sensor and the time of passage of paper Detects the lack of toner Paper exists No paper exists Toner low exists No Toner low exists N long OFF short 40931201TH Rev 1 21 23 Electro photographic Process 2 3 1 Electro photographic process mechanism This mechanism prints image data from the control board on the paper by electro photographic process The Figure 2 4 shows the layout of the electro photographic process mechanism Image Drum Unit LED HEAD Heat Assy Hopping Motor Front Hopping Roller Face Up stacker Roller Assy Feed
4. Ev SIdNW 71 00000000000000000072 1 2 000000000000000000 71 00000000000000000072 1 2 71 060000000000000000072 1 2 ZWIS 619 TANVd eR rp ope es 3 dee 25559 LNOYS HOLOW AVHIQNZ POWER CONNECTOR Main control board BOARD FFF Figure 6 1 Connector and Pin Location INLET O L Measurement by a Multimeter Figure 6 2 127 40931201TH DRAFT Vesion TNSNS WRSNS 1 Swi Figure 6 3 Connector and Pin Location 40931201TH DRAFT Vesion 128 JAM error 2 1 Paper input jam 1st tray Does a jam error occur when the power is turned on Yes Is the paper at the inlet sensor lever Yes Remove the paper No Does the inlet sensor lever operate smoothly No Replace the inlet sensor lever Yes Clean the inlet sensor 1 on the Power Supply Unit
5. NIVIN 6 0000000 LIII HOLON eel cllecelh eool 4 HI N3 AVHLONZ 16 000000000000 2 40931201TH Rev 1 154 2 Power supply board AC120V 230V 3 Power supply board High voltage 2 L 323 40931201TH Rev 1 155 4 Flash ROM module BOARD FSL or BOARD FSL 2 O O 40931201TH Rev 1 156 ASH HLLOCLE6OV 2414 Circuit Diagram Illustration Resistance Motor Main Yellow 20 gt Blue 700 30 gt jos Orange in d 7 Between pins 1 and 2 3 10 Between pins 3 and 4 3 10 Fusing Unit to CN2 connector Thermostat e on the Power Supply Unit AC120V or 230V lt Heater iran to CN8 connector Thermistor on the Power Supply Unit High Voltage lt Between pins 1 and 2 220kQ at 25 C Between pins 3 and 4 1 50 120V 5 80 240V eoueijsiseH ASH HLLOCLE6OV 891 Circuit Diagram Illustration Resistance Hopping motor Orange o gt 9 Yellow 20 gt Brown 30 gt Black o gt Between pins 1 2 670 Between pins 3 and
6. 000 219 4 3 1 LCD Status Message 115 219 4 3 2 Troubleshooting 220 5 CONNECTION DIAGRAM 221 5 1 Interconnection Diagram 2 221 5 2 PGB e 222 6 PARES M 223 APPENDIX MULTI FEEDER MAINTENANCE eere 226 1 OUTLINE ned erdt deste seg se ree oe e dane tide tas 226 1 1 ID 226 1 2 External View and Component 226 2 MECHANISM DESCRIPTION 2 0 4 0 2500000 00000 227 2 1 General Mechanism eire eie 227 2 2 Hopper Mechanism ra 227 3 PARTS RER ACEM N o Te 228 3 1 Precautions Concerning Parts 228 3 2 Parts Layout osai e ee ane ae a 230 3 3 Parts Replacement 231 3 31 Separator eie ge oit have 232 23 9 2 tate eredi iTunes 233 3 3 3 Square shaped connector sse 234 3 9 4 Hopping Motor Pr 235 3 9 5 Planet gear oce eater eis 236 3 3 6 Roller B tee ere 237 2 9 7 IBollGrA e 238 3 3
7. 40931201TH Rev 1 78 3 3 22 EP lock shaft 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove Frame Main See 3 3 12 7 3 Remove screw 1 Turn EP lock lever L Assy in the direction of arrow A 4 Remove spring 5 Drop EP lock shaft down and turn in the direction of arrows B and remove it 40931201TH Rev 1 79 3 3 23 LEVER Assy Out Sensor 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Press the clamp part of LEVER Assy Out Sensor Remove the LEVER Assy Out Sensor by pushing it upward from the lower side 40931201TH Rev 1 80 3 3 24 Toner sensor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Squeeze the clamp part of toner sensor lever and remove the toner sensor lever by pushing it upward from the lower side 40931201TH Rev 1 81 3 3 25 Paper sensor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Squeeze the clamp part of the paper sensor lever and remove the paper sensor lever by pushing it upward from the lower side 40931201TH Rev 1 82 3 3 26 Inlet sensor lever 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove th
8. 81 STKFULL 1 5 3 1399 Loooooooooooo ZO joooooooooooo00 l 000000002000202020 968654 WOH 19d m O0 O0 O0 O OO O0 O0 0000000020 O0 0 O0 O O O O O O O O O O O O0 0 0 00000 000902020202020 WOH 19d Lado 10d WOU Sd ado WOH Sd 1 SIdNW 71 71 0000000000000000090 72 9 0 9 9 72 0 000000000000000000 00000000000000009090 72 71 ofooooooooooooooooo booooooooooooooooo 00000000000000000 000000000000000000 000000000000000000 o EEPROM Motor driver for Main Motor Motor driver for Hopping Motor 000000000 ga HANISH HANNIS eININIS
9. 40931201TH Rev 1 210 3 3 5 Motor 1 Remove the Cover front assy See section 3 3 2 2 Remove the PCB cover bracket See section 3 3 3 3 Remove the roller cover bracket See section 3 3 4 4 Unscrew seven screws 1 to remove the bottom bracket 2 5 Unscrew five screws 3 to remove the Frame side L assy and Frame side 6 6 Take away two screws 6 and connector to remove the Motor 7 7 Remove the Plate Earth 8 40931201TH Rev 1 211 3 3 6 Connector IMSA 9714N 14B Connector IMSA 9714N 14A 1 Remove the Motor See section 3 3 5 2 Unscrew two screws 1 to remove Connector IMSA 9714N 14B and Plate Earth FR 4 3 Unscrew two screws to remove the connector IMSA 9714N 14A 40931201TH Rev 1 212 3 3 7 Frange pulley pulley Idle Mini pitch belt Plate Earth shaft Gear double Tray switch assy 1 Remove the Motor See section 3 3 5 2 Remove the Connector See section 3 3 6 3 Unscrew two screws 1 to remove the motor bracket 2 At this time the Mini pitch belt 3 and Gear double 4 can be removed simultaneously 4 Disengage latchs to remove the Frange pulley 5 and pulley Idle 6 5 Unscrew a screw 7 to remove the Plate Earth shaft 8 6 Unscrew a screw 9 to remove the Tray switch assy 0 40931201TH Rev 1 213 3 3 8 Roller feed 1 Remove the Motor See section 3 3 5 2 Remove the Co
10. Indicates that an error occurs from the results of checking ID No of EEPROM The operation is continued by resetting EEPROM to factory default after a few second indication It displays the message for a few seconds It reset the EEPROM to the factory default state to continue operation When the program ROM is updated and the EEPROM is replaced with new one the menu factory default corresponding to each destination will be loaded uoIseA 1 110216607 Category Controller error LCD message ERROR CONTROLLER nn aaaaaaaa Light off ATTENTION LED Trouble or status A fault occurred in the printer Turn the power off then on to release the error display If the error display cannot be released by this procedure call a service person Code nn Error Remedy 10 An error was detected by program hash check Replace the program ROM Location BOARD FFF 106 IC8 IC30 IC31 Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board An error was detected by font format check An error was detected by resident RAM check Replace the font ROM Location BOARD FFF IC6 IC8 IC30 IC31 Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board Replace the Main board BOARD FFF Note When r
11. LL cm 2 c x S 2 5 2 m o 8 amp i T 2 lt 5 R gt S LL ROLLER Transfer Cover Side L Cover Blind Face up stacker Assy Cover Rear 40931201TH Rev 1 Feed Unit FRONT ROLLER Assy Feed a bw y uw 2 AS SN 7 lt NEAN 96 N IN 1 WANS SS Figure 3 2 40931201TH Rev 1 54 Assy Cassette R 7 I gt lt 5 5 lt e i cls lt SS 25 5 lt 9 FILM Insulation Power Supply Unit 120V 230V Figure 3 3 55 40931201TH Rev 1 How to Change Parts 3 3 ogee u enesseo Assy eipno puo Jaded 626 TeHesseg Assy eipno zl 826 9 pua 266 Alddng amod zee 13197 joju 5466 Jane JOSUas Jadeg __ 226 JOSUaS 1900 6266 105 6 110 65 19497 HL yeys 11 peeJ ssy 19 0 266 HOD Jejsuel 1 66 0 pees eree fg Assy 2129 55 p 4 SSY u3T1OH 037 02 2 2 6L
12. Printer Note Before setting it to the unit make sure that the LEVER Release Dup is locked at the angle as shown Locking point Groove Duplex Unit Locking point LEVER Release Dup LEVER Release Dup Note Printer and Duplex Unit will connect automatically with built in connector 2 Lock the Duplex Unit to the printer by turning the LEVER Lock Dup to the next locking position as below Connector LEVER Lock Dup 3 From front side of printer snap fit LEVER Release Dup into the boss in Hopping Frame Boss Snap Fit into Boss LEVER Release Dup Snap Fit Snap Fit LEVER Release Dup 4 After installing Duplex Unit put back the Paper Cassette into 1st Tray 40931201TH Rev 1 179 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 31 Precautions Concerning Parts Replacement 1 Parts replacements must be carried out by first turning the printer power switch off O and removing the Duplex Unit from the printer 2 Do disassemble the Duplex Unit 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 speci
13. sade 222 40931201TH Rev 1 6 PARTS LIST 40931201TH Rev 1 223 Table 6 1 High Capacity Second Third Paper Feeder 1 2 2 Parts Reccomended Q ty 50 100 1000 Remarks 40346701 Frame side L assy 1 6 40488701 Guide cassette L 6 For Maintenance 4PP4122 1217P001 Pull block 12 40349102 Lever link Caulking 6 4PP4076 5358P001 Link support 12 40928101 Spring Sheet 12 4PP4076 5359P001 Cassette stopper 12 4PP4043 4526P001 Spring DIDI DI 12 4 4016 1960 002 Rubber foot A 24 3PP4076 5714P001 Guide rail plate L 40349701 Roller link A 40346801 Frame side R assy 40488801 Guide cassette R For Maintenance 40349101 Lever link Caulking 3PP4076 5715P001 Guide rail plate R 4PP4076 5360P001 Detector spring 40368303 Board PXC 3 40433001 Plate earth R 40347001 Cover front assy 40366501 Motor 40247001 Gear double 40348301 Pulley Idle 40422101 Flang pulley AI AI O O O O 40444301 Tray switch assy Aa 2201000P0141 Connector IMSA 9714N 14B To Printer or 2nd Tray 2201000P0140 Connector IMSA 9714N 1
14. 1st Hopping Roller Motor Main Sub Roller Figure 2 4 40931201TH Rev 1 22 1 Image drum unit The image drum unit consists of a sensitive drum a charger and a developer The unit forms a toner image on the sensitive drum using a electrostatic latent image formed by the LED head 2 Hopping motor This motor is a pulse motor of 48 steps rotation that is two phase excited by the signal from the control board It drives the hopping roller of the first tray and the front feed roller via two one way clutches according to the direction of rotation 3 Motor Main This motor is a pulse motor of 72 steps rotation that is two phase excited by the signal from the control board and is the main motor of this mechanism 4 Clutch for Regist Swithes the transfer of power to Roller Regist if necessary depending on the power from Motor Main and instructions from the control PCB 5 Clutch for Feed Roller Swithes the transfer of power to Feed Roller if necessary depending on the power from Motor Main and instructions from the control PCB 6 LED head Image data for each dot line from the control board is received by the shift register and latch register The 4992 LEDs are driven to radiate the image data to the image drum 7 Fuser The fuser consists of a heater a heat roller a thermistor and a thermostat An AC voltage from the power supply board is applied to the heater under the control of the HEATO
15. 40386501 SPRING Sensor F R mo 40375301 Connection Code Wire DIL O Front Sensor 40931201TH Rev 1 197 Parts No Table 6 1 Duplex Unit 2 2 Name Q ty U Reccomended Q ty 50 100 1000 Remarks 40483401 SOLENOID Ass 1 6 40395501 SPRING SL 1 40382601 PLATE Earth F R 40322901 PLATE Earth F R 2 40382801 PLATE Earth BTM NK2 12SUS Knock Pin RE4 SK E Ring 40339102 LEVER Lock DUP Color Black 40338601 LEVER Release DUP 40393701 SPRING Support 40495804 Board LEX Without ROM 40942601 Program ROM IC1 40318201 COVER Bottom DUP 40382701 Earth MTR 41005501 STUD CN 41005401 SPRING CN DI 40931201TH Rev 1 198 Appendix D SECOND THIRD PAPER FEEDER MAINTENANCE 1 OUTLINE 1 1 Functions This high capacity second third paper feeder which is located under the printer rotates the hopping motor according to the signal from the printer to supply papers to the printer automati The main functions are as followings Applicable media
16. 40931201TH Rev 1 245 245
17. ATTENTION O ERROR HOST I F RS232C Informs that an error occurs in serial I F The operation is continued by pressing Recover switch This is indicated when parity error framing error overrun error and so on is detected The protocol of host and printer should be rechecked Press the RECOVER key on the operator panel to release the error display Check the settings of RS232C I F in the menu Replace the interface cable or the Main board Board FFF Note When replacing the Main board install the EEPROM mounted in the replaced Main board ATTENTION O FRONT TRAY ERROR PRESS RECOVERKEY Informs that an error occurs in the home position of front tray Although the front tray becomes unavailable by pressing Recover switch the other trays continue operating normally Check front tray home sensor ATTENTION O TONER EMPTY REPLACE TNR CART Promotes by indication that a cartridge should be replaced after a 100 sheet printing since the detection of toner low It is temporarily reset by opening and closing the cover This indication will be displayed each 20 sheet printing unless the cartridge is replaced Replace the toner cartridge ATTENTION e ERROR PAPER SIZE CHECK tttttt Paper of improper size was fed from the tray tttttt MANUAL TRAY1 TRAY2 FRONT FEEDER Check the paper in the tray or check to see if more than one sheet of c
18. ix oy ajoAo g ie L wes 9415 2913 i Z 4 H 2667 1100 iZe eP MET F 7 AA CX XOX OX O viva rat 1 166 uonoe1100 u0n991109 n qvo1 40070 50090 39 40931201TH Rev 1 Transfer of correction data to head driver correction data ii epow 103410 gt gt 5909 96 0 2101 193910 c uonoeJ105 J JEES 2667 18 uonoeJ0 011291107 A 1 20 YOO N 166 PIEP 0129100 Qvoi LE ius IULI IULI UU UU 0070 4096 40 40931201TH Rev 1 2 One From CPU STRB1 N i J J gt gt gt gt gt e 4 7
19. 87 3 3 80 Guide Assy Cassette 88 4 90 41 Maintenance Modes And 90 4 1 1 User maintenance mode 92 4 1 2 System maintenance mode sssssssssssssseeeeneeee enn 96 4 1 3 Engine maintenance 98 41 4 EEPROM initialization nnne nnne 102 4 2 Adjustment When Replacing 103 4 2 1 Resetting the fuser counter 2 eene 104 42 2 Destination setting iiem tede ied eodem eai Eee 105 4 2 3 Setting of LED head drive 106 5 PERIODIC MAINTENANCE crier inan ra SE sEe corner 109 5 1 Periodic Replacing 109 SEE GIANG ERREUR 109 5 2 1 Cleaning of LED lens array 0 109 5 2 2 Cleaning the Plastic 110 6 TROUBLESHOOTING PROCEDURES eene 111 6 1 Troubleshooting Tips 111 6 2 Points to Check before Correcting Image 111 6 3 Tips for Correcting Image Problems nne 111 6 4 Preparation for 0 112 6 5 Troubleshooting FION a temen e peccet teen 112 6 5 1 LCD
20. At this time Lever link 6 can be removed simultaneously 5 Unscrew a screw 7 to remove the Link support 8 6 Remove the Roller link 7 Remove the Plate Earth 4 8 Remove two Rubber foot 40 40931201TH Rev 1 216 3 3 11 Frame side assy 1 Remove the Frame side R assy See section 3 3 5 2 Remove the Plate Earth BR 3 Take away the Spring to remove the Cassette stopper 3 4 Take away the Spring sheet to remove the Pull block 5 At this time Lever link 6 can be removed simultaneously 5 Unscrew a screw 7 to remove the Link support 8 6 Remove the Roller link 7 Remove the Plate earth 40 8 Unscrew a screw 1 to remove the Detector spring 42 9 Unscrew a screw 3 to remove the Board PXC 4 10 Remove two Rubber foot 40931201TH Rev 1 217 4 TROUBLESHOOTING 4 1 Precautions Prior to the Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred 4 2 X 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 40931201
21. PI YONI NIN NI OI c 40931201TH Rev 1 164 Parts No Table 8 2 Frame Main Unit 2 2 Name Q ty U Reccomended Q ty 50 100 1000 Remarks 40299501 GEAR Idle 1 2 40299601 GEAR Idle H 1 40302301 GEAR Idle J 40313501 BEARING Plastic Feed 4PP4076 5308P001 Bearing 40371501 GEAR Assy Clutch 250 40432301 PLATE FG 151 40313201 ROLLER Ass Feed 40371601 GEAR Assy Clutch 240 4PP4076 5044P001 EP Rock Lever R 4PP4076 5045P001 EP Lock Spring 40301001 ROLLER Assy BK 40316101 GEAR Idle EA 40316201 GEAR Idle EB 40302501 LEVER Back up release m mjnmjcjo o o o o o o 40929101 HEAT Assy A4 120V ODA 120V 40929102 HEAT Assy A4 230V 2 40306401 LAMP Halogen 750W 120V A ODA 120V 40306402 LAMP Halogen 750W 230V A ODA 230V OEL INT 40307401 GUIDE Assy Eject 4PP4076 5191G001 Damper Arm Caulking 40587001 Stacker Assy For Maintenance 4PP4128 1164P001 HEAD Spring 40365401 SENSOR Stack Full 40409201 Film Guide 40409301 Film FG 2PP4128 1096P001 Cable Cover 40450501 HEAD Cable Assy 4PP4076 5009P001 W
22. 10 8 6 4 2 1 1 Correction by increasing illumination 0 0 0 0 0 0 0 0 0 No cor 2 4 6 8 10 12 14 Correction by decreasing illumination 40931201 Rev 1 44 The printing operation timing chart is shown below Normal Mode Printing Timing Chart CLOCK LOAD paTa3 0 7 STRB1 N STRB2 N STRB3 N STRB4 N 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 LOAD signal level is low the normal mode is enabled The printing operation is carried out in the following sequence First the printing data DATA3 through DATAO 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 STRB1 N through STRB4 N and actuates printing 40931201TH Rev 1 45
23. 15 ODA 230 VAC 10 Peak Approx 860W Typical Operation Approx 400W Idle Approx 95W Power save mode Approx 25W 40931201TH Rev 1 11 12 Temperature and humidity In operation Power off mode During Storage Unit Temperature 50 90 32 110 14 110 F 10 32 0 43 710 43 C Humidity 20 80 10 90 10 90 RH Maximum wet 77 80 4 oF bulb temperature 25 26 8 C Minimum difference 35 6 35 6 oF of wet and dry 2 2 bulb temperatures Notes 1 Storage conditions specified above apply to printers in packed condition 2 Temperature and humidity must be in the range where no condensation occurs Temperature C 32 28 _ _ Operation range 10 20 80 Humidity 13 Noise During operation 52 dBA or less without second tray 14 Consumables 55 dBA or less with second tray 45 dBA or less 43 dBA or less At standby Power save mode Toner cartridge kit 6 000 pages 5 duty Image drum cartridge 30 000 pages at continuous Simplex printing 19 000 pages 3 page job Simplex printing Simplex printing without Power Save 40931201TH Rev 1 12 1 5 Safety Standards 1 5 4 Certification label The safety certification label is affixed to the printer in the position below ex ODA 120V k PONO USTED Okidata 0 C Tested Comply With FCC Standards This Cless B digital opparotus
24. Paper Type e Cut Sheet Size A4 B5 Letter Executive Legal13 Legal14 Special Size Paper Width 148 to 216mm Paper length 210 to 356mm Weight 60 105 g m Paper loading capacity 75 g m paper 530 sheets 1 2 A Appearance and Parts Name Frame side R Assy p Cover front Assy B Cassette Assy Frame side L Assy 40931201TH Rev 1 199 2 DESCRIPTION OPERARTION 2 1 Driving Mechanism The high capacity second third paper feeder only a top paper which is set in the cassette by a signal from the printer 1 Second paper feeder as an example is shown First of all the hopping motor rotates in the direction of arrow A Roller C rotates by way of idle gear on the same shaft on which the hopping gear is placed At the same time the planetary gear D shifts in the direction of arrow E anda sub roller gear and a sub roller on the same shaft rotate Roller C and sub roller make a paper hop Also the planetary gear G shifts in the direction of arrow H and Roller K rotates and when the length of sheet is legal 13 inch or more a hopping paper will be impinged to the regist roller within the printer When the length of paper is A4 or less hopping papers will be carried until the defined amount 2 When the length of paper is A4 or less the hopping roller rotates in the direction of arrow B next At this time the planetary gear G shifts in the direction of arrow to rotate Roller K and
25. Printing sequence error in the Duplex unit See chaspter 6 5 2 A watchdog timer timeout occurred Monitor error double weight Monitor error argument error Optional timeout error Optional status error BG program error System timer program error IPT2 program error IPT1 program error Turn the power off then on Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board uoIseA 1 110216607 Category Proccesor error LCD message ERROR CONTROLLER nn aaaaaaaa Light off ATTENTION LED Trouble or status An error occurred in the controller n 7 Exception Code aaaaaaaa Error address BE Exception code 1 3 D F Reserved 4 Address Error Exception Lead instruction instruction fetch Address Error Exception Store instruction Bus Error Exception Instruction Fetch Bus Error Exception Load instruction store instruction System Call Exception Breakpoint Exception Reserved Instruction Exception Coprocessor Unusable Exception Arithmetic Overflow Exception Turn the power off then on Replace the Main board BOARD FFF Note When replacing the Main board install the EEPROM mounted on the replaced Main board 6 5 2 LCD message troubleshooting If troubles
26. Roller assy feed 40378401 Case assy cassette 40607101 Separator frame assy 40496001 PLATE Damper NK3 16SUS Knock Pin 40387401 Plate Earth FR 40387601 Plate Earth Shaft 40387501 Plate Earth BR 40387301 Plate Earth BL 40432901 Plate Earth R 40583601 Core Assy 2nd Tray To Printer or 2nd Tray 40912601 Plate Earth BL 40912401 Plate Earth L DI O O0 O0 COO wo CO wl COO 40931201TH Rev 1 225 Appendix E MULTI FEEDER MAINTENANCE 1 OUTLINE 1 1 Functions This Multi Feeder is installed on the front section of the printer and it supplies paper automatically through the operation of hopping motor which is driven by signals sent from the printer The main functions are the followings Paper that can be used Paper type Paper size Quantity of paper Plain paper 106 x 148 mm 4 64 90 g m Thick paper OHP film 64 90 g m Post card label sheet Post card A4 size equivalent 64 128 g m Envelope C5 DL COM 10 COM 9 Monarch 90 105 5 g m approximately 50 sheets of envelopes can be set at a time 1 2 External View and Com
27. of the drum motor normal No Replace the drum motor Is the printer recovered No Replace the Main board YES END on the next page 4 40931201TH DRAFT Vesion 132 From on the preceding page Is the transfer roller rotating smoothly No Is there any defective gear of the transfer roller e Yes Replace the defective gear No Replace the transfer roller Y No Is the fuser unit installed properly e No _ Install the fuser unit properly Y No Is the image drum cartridge set properly e No Set the image drum cartridge properly Y No Does the paper sensor lever operate smoothly No Replace the paper sensor lever Yes Clean the paper sensor on the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Y Is the printer recovered No Replace the Power Supply Unit High Voltage YES END 40931201TH DRAFT Vesion 133 2 4 Paper exit jam Does a paper exit jam error occur when the power is turned on YES 1 the paper on the outlet sensor lever Yes Remove the paper No Does the outlet sensor lever operate smoothly No Replace the outlet sensor lever Yes Clean the outlet sensor on the Power Supply Unit AC120V or 230V See Figure 2 3 Sensor Layout Diagram 15 the printer recovered No Replace the Power Supply Unit 120 or 230V YES END 4 15 the face up stacker drawn out or pushed into the printer completely No Draw the face up s
28. Flushing job Press the RESET button Resume Press the ON LINE button O ATTENTION ATTENTION O PS NOT AVAILABLE POWER SAVING Indicates that not installed printer language is designated by PJL command Warning When CLEARABL WRNINGS ON has been selected in the menu this indication is cleared by pressing Recover switch Informs that the printer becomes power save status heater off This is indicated in combination with other messages of the first line Warning Normal operation O ATTENTION O PAPER NEARED Tn Informs that the sheets are near to end in a tray cassette common with 157 2nd 3rd when the remaining reaches 20 sheets it is detected Warning HLLOZLEGOY Category Daily status LCD status message O ATTENTION TONER LOW Trouble or status Informs that the amount of toner low This is indicated in combination with other messages of the first line Normal operation is possible But when LOW TONER OFF has been selected in the menu ATTENTION LED will flash Replace the toner cartridge ATTENTION TONER SENSOR Informs that toner sensor detects an error But when the total drum count were gt 30 pages this error would be indicated when the total drum count were lt 30 pages an impossible to reset alarm ERROR 77 which will be described later would be indicated
29. RS 232C Serial 4 ES EN A A LAN 4 9 OKI HSP Paper tray interface board ___________ Option Paper size detection switch ESSERE i Extension D RAM SIMM Option High Capacity Second Paper Multi Feeder Feeder Option i Option E 4MB 8MB 1 Capacity Flash ROM SIMM Third Paper Duplex Unit Feeder Option i Consumables mp Paper feeding gt Singal flow produced by third vender Figure 1 1 40931201TH Rev 1 1 2 Printer Configuration The printer unit consists of the following hardware components Electro photographic processor Paper feeder Controller Operator panel Power supply unit Figure 1 2 shows the printer unit configuration Cover Side l F Stacker Assy Plate Shield Cover Frame Heat Assy Cover Side L NL Unit Cover Blind Base Unit Figure 1 2 40931201TH Rev 1 8 1 3 X Optional Configuration The options below are available for use with OKIPAGE18 OKIPAGE20Plus They are sold separately from the printer unit 1 Multi Feeder 3 DUPLEX Unit 40931201TH Rev 1 9 4 D RAM SIMM module 72 pin SIMM 16 MB 32 MB EDO SIMM type See 7 2 1 for where to install 5 Flash ROM module 72 pin SIMM 4MB 8MB
30. See 7 2 1 for where to install 40931201TH Rev 1 10 14 Specification 1 Type 2 External dimensions excludes protruding Portion 3 Weight 4 Development method Exposure method 5 Paper used 6 Printing speed 7 Paper feed method 8 Paper delivery method 9 Resolution 10 Power input 11 Power consumption Desk top Height 13 0 331 mm Width 14 4 366 mm Depth 18 2 462 mm 19 0 kg 42 105 If Installed Duplex 21 3 kg 47 Ibs Dry electrophotography LED stationary head lt Type gt Standard paper Xerox 4200 20 165 Application paper manual face up feed Label Envelope OHP paper Transparency Size Standard sizes Letter Legal Executive Envelope without Duplex printing A4 A5 without Duplex printing B5 without Duplex printing A6 without Duplex printing Applicable sizes Width Length Thickness Automatic feed 16 to 28 Ibs 60 to 105 g m 3 4 to 8 5 86 to 216 mm 5 5 to 14 140 to 355 6 mm Manual feed Label OHP paper transparency Envelope 16 36 Ib First print 7 4 sec 20 sheets min at duplex print 10 sheets min 90 sec at room temperature 77 F 25 C and rated voltage 120 VAC Continuous print Warm up time Automatic feed or manual feed Face down face up 600 x 600 dots inch default 600 x 1200 dots inch 120 VAC 5 5
31. This is indicated in combination with other messages of the first line Normal operation is passible Check the operation of the toner sensor lever Replace the Power Supply Unit High Voltage Replace the main board Note When replacing the main board install the EEPROM mounted on the replaced main board O ATTENTION O CHANGE DRUM Informs of the drum life This is indicated in combination with other messages of the first line Normal operation is enabled if desired Repace the image drum cartridge Note After replacing the drum cartridge reset the drum counter Refer to the User s Manual O ATTENTION O FUSER LIFE Informs that the life of a replaceable part such as fuser fusing device and roller This is indicated in combination with other messages of the first line Normal operation is possible Replace the fuser unit Note After replacing the fuser unit reset the fuser counter Refer to chapter 4 2 1 READY O ATTENTION O COPY nnn mmm Indicates that the number of sheets in current printing when the number of copies is two or more Normal operation ATTENTION Deletes not yet printed data within the buffer and initiates the status of the printer to user default Temporary DLL macro user pattern will be deleted Normal operation HLLOZLEGOY 1911 Category Daily status LCD sta
32. breake Yes Replace the connection cord wire Yes Replace the Main board ls the printer recovered No Replace the Power Supply Unit High Voltage YES END 40931201TH DRAFT Vesion 141 6 5 3 Image troubleshooting Procedures for troubleshooting if abnormal images have been printed out are explained below Figure 6 3 below shows typical abnormal images Trouble Images are light or blurred as a whole Figure 6 4 Flowchart number e Dark background density Figure 6 4 Blank paper is output Figure 6 4 Black belts stripes in the vertical direction Figure 6 4 O Cyclical defect Figure 6 4 Print voids Poor fusing images are blurred or peeled off when touched by hands White belts streaks in the vertical direction Figure 6 4 Snowy print of high density pattern Figure 6 4 Blockly faded print Figrue 6 4 Light or blurred images as a whole SY wre Cyclical defect Dark background Blank paper density White belts or Snowy print of streaks in the highdensity pattern vertical direction Figure 6 4 Abnormal images Black stripes in the vertical direction Blockly faded print 40931201TH DRAFT Vesion 142 D Image are light or
33. e Luminous intensity marking label 404382 70000004440203078 Last 3 digits indicate the LED head marking number LED head type 404382 Both sides wire bonding head 405472 one side wire bonding head 070 Luminous intensity marking 40931201TH Rev 1 106 Setting of LED head drive time Drive time of the LED head is to set parameter of drive time setting values correspond ing to the luminous intensity displayes marked on the LED head to EEPROM a Corresponding table of luminous energy display and drive time parameter Luminous intensity display on LED head 0 27 0 28 0 29 0 30 0 31 0 32 0 33 0 35 0 36 0 37 0 38 0 40 0 41 0 43 0 44 0 46 0 47 0 49 0 50 0 52 0 53 0 57 0 58 0 60 Drive time parameter Luminous intensity display on LED head 0 61 0 64 0 65 0 69 0 70 0 73 0 74 0 79 0 80 0 84 0 85 0 90 0 91 0 96 0 97 1 03 1 04 1 10 1 11 1 18 1 19 1 26 1 27 1 35 Drive time parameter 40931201TH Rev 1 107 b Setting Example When setting head type to TYPE3WB both sided wire bonding head and head drive time to No 14 FORM FEED key ENTER key Boner ON LCD display ENG MNT Press the Menu key HEADTYPE Default setting is AUTO AUTO Press lt or P key until is displayed HEADTYPE The correspondence with model number in the Marking
34. verse roller within the Duplex Unit Remove all the papers from the inside of printer unit and Duplex unit and close the cover DUPLEX FEED JAM2 REMOVE THE PAPER Informs that a jam occurs in reversing papers in the re verse roller within the Duplex Unit Remove all the papers from the inside of printer unit and Duplex unit and close the cover DUPLEX FEED JAM3 REMOVE THE PAPER Informs that a jam occurs in impinge feeding papers within the Duplex Unit Remove all the papers from the inside of printer unit and Duplex unit and close the cover Interface Timeout DUPLEX OPEN JAM REMOVE THE PAPER Informs that the 1st tray is pulled out in paper remaining state when feeding papers within the Duplex Informs that an time out occurs between the printer and Duplex Remove all the papers from the inside of printer unit and Duplex unit and close the cover Verify connection of LEX PCB and square shaped connector Replace the square shaped connector if necessary Replace LEX PCB 40931201TH Rev 1 190 4 3 2 Troubleshooting Flow error Duplex INPUT JAM Is the leading edge of paper is fed in the Duplex unit Has the leading edge of paper reached the Duplex In sensor Yes Is the Duplex In sensor lever operating normally Yes Is the connection cord between the Duplex In sensor and the Board
35. when the Enter key is pressed 0 mm 0 25 mm 0 75 0 25 mm intervals Press the 1 00 mm 1 25 1 50 1 75 2 00 2 00 1 75 0 25 40931201TH Rev 1 94 Press the Y ADJUST 4 0mm Writing into the EEPROM is performed when the Enter key is pressed 0 mm 0 25 mm 0 75 0 25 mm intervals Press the Fe f MMM iei ae 1 50 mm 1 75mm 2 00 mm 2 00 mm 1 75 mm 0 25 mm Press the DUP ADJ 0mm 0 25 mm Press the 0 50 mm vee 2 2 00 2 00 1 75 0 25 mm Press the 2ND TRAY 4 or Dkey 1 2 Press the 3 Menu key 5 16 Press the 3ND TRAY lor Dkey 1 E 2 Press the 3 Menu key 16 Press the FRONT lt or Dkey 1 g 2 Press the Menu key 4 16 Press the PLACE PG Dkey CENTER lt 3 LEFT Press the Menu key Press the SETTING Pkey Writing into the EEPROM is performed 0 A 4 when the Enter key is pressed Press the Menu key Press the CLN CYCL NORMAL 5 MIDDLE Press the HIGH Menu key Press the ON LINE key INITIALIZING ON LINE 40931201TH Rev 1 95 4 1 2 System maintenance mode The system maintenance mode is set when the power is turned ON while pressing the Recover key This m
36. 1 Remove stacker mount 2 by releasing the tabs at position 4 Remove Sensor stacker full by releasing speading the plastic tabs on each side of sensor Assy and lifting switch from cover 40931201TH Rev 1 63 3 3 8 Cable cover guide film 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the stacker Assy See 3 3 6 3 Unscrew 2 screws 1 release tabs at portion A Remove cable cover 2 guide film Note Use care when replacing cable cover Do not pitch crimp or cut cables or protective sheet 40931201TH Rev 1 64 3 3 9 Damper 1 Remove the damper arm See 3 3 6 2 Unscrew 2 screws 1 and remove the two damper 40931201TH Rev 1 3 3 10 Feeder Unit Front 1 Open the manual feed assy and release both right and left parts by pulling out the engagements on the lower part 2 Stand the manual feed assy on end and unhook the engagements with both right and left manual feed hopper stays 3 Remove the OP panel assy See 3 3 4 4 Unscrew 5 screws 2 and remove the feeder unit front 40931201TH Rev 1 66 3 3 11 Roller Assy Regist 1 Remove the feeder unit front See 3 3 10 2 Remove E ring 3 gear assy clutch and four screws 1 this order and lifting out the roller assy regist 40931201TH Rev 1 67 3 3 12 Motor Main 1 R
37. 2 4 Paper Jam Detection The paper jam detection function supervises the paper state at power on time and during printing In the event that the following state occurs this function interrupts the printing process If any of the following errors is presented recovery printing will be performed by removing the jammed paper namely by opening the upper cover removing the jammed paper and closing the upper cover Error Cause of error Paper input jam At power on time the paper is placed at the inlet sensor After hopping operation is attempted three times the leading part of the paper does not reach the inlet sensor Paper feed jam Paper exit jam At power on time the paper is placed at the paper sensor The leading part of the paper does not reach the paper sensor within a predetermined distance after the paper has reached the inlet sensor The traiding part of the paper does not pass over the paper sensor within a predeter mined distance after the leading edge of the paper has passed over the paper sensor The leading part of paper does not reach the outlet sensor within a predetermined distance after the paper has reached the paper sensor At power on time the paper is placed on the outlet sensor The paper does not pass over the outlet sensor within a predetermined after the leading part of the paper has reached the outlet sensor The paper size check with the manual feed specified considers the reference size a
38. 40377801 40597301 PLATE Assy Bottom FRAME ASS Hopping FRAME Hopping For Maintenance 40322101 PLATE Hopping caulking 40317401 SHAFT Hopping 40442501 ROLLER Guide E 40313201 ROLLER Assy Feed 40317601 GEAR Z38 NK3 16SUS Knock Pin 4PP3522 3568P001 ADF Bearing 40325401 GEAR Z58 40325301 GEAR Z42 40317901 Lever Paper 40318001 Lever Paper near end mo 40931201TH Rev 1 167 Parts No Table 8 3 Base Unit 2 2 Name Reccomended Q ty 100 1000 Remarks 4YB4120 1137P001 FX050 Photo Sensor 6 12 40375202 Connection Code Wire 1 40375302 Connection Code Wire To Paper Near End 40337301 LEVER Sub roller caulking 40337601 ROLLER Link Sub 40433701 Bracket Sub roller Press fitting 40358101 Plate Planet 40317701 GEAR Planet z28 40367101 BRACKET Spring Sub 40928201 SPRING Sub Roller 40371301 ROLLER Ass Hopping 40371901 SPRING Release T 105 1051 2001 23 11 14 CORE A 40298001 PLATE Base 40494601 Spacer Card KGPS 5RF A 40298101 FILM Insulation 40159901 Power Supply
39. Category Daily status LCD status message ATTENTION STACKER FULL REMOVE THE PAPER Trouble or status Indicates that the face down stacker is full with sheets Remove the paper from the stacker Repair the broker stacker sensor cable Repeat the insertion and removal of the connector Clean or replace the stacker full sensor ATTENTION O PAPER OUT mmmmmmmmmm tttttt Indicates that no paper or paper cassette in a tray Load a paper or paper cassette to the tray ATTENTION O tttttt INSTALL Indicates that in an attempt to use the third tray the first or second tray which is the medium of the path is pulled out Indicates that in an attempt to use the second tray the first tray which is the medium of the path is pulled out Provisions The first and second tray should be returned Install the displayed tray ATTENTION O mmmmmmmmm tttttt PAPER REQUEST Requests that a sheet indicated in the first line message is inserted Load the requested paper in tray O ATTENTION ERROR POSTSCRIPT Indicates that the interpreter detects an error due to the following reasons From this point on the receiving data is flushed until the completion of a job It is automatically canceled when job receiving is completed Warnig Check the print job format ATTENTION O ERROR MEMORY OVERFLOW Indicates t
40. If the error occurs frequently see chapter 6 5 2 ATTENTION O PAPER EXIT JAM REMOVE THE PAPER Informs that a jam occurs after ejecting a paper Open the cover and remove the paper inside Open the cover remove the paper then close the cover When the cover is closed recovery printing is performed and the error display is released If the error occurs frequently see chapter 6 5 2 ATTENTION O OKI HSP I F CARD RESETTING Informs that OKI HSP I F card is under reset It can be automatically restored by stopping the reset Warning ATTENTION O ERROR HOST I F OKI HSP XX Informs that an error significant malfunction occurs The operation is continued by pressing Recover switch 10 I F timeout 20 Initial error occurs 10 seconds later since powering on 21 Inthe event that it takes seconds or more for shifting to the operating mode or a command for operating mode is received during power on mode 22 Communication error between OK HSP host Press REWCOVER key If the error occurs frequently check HSP card ATTENTION O COVER OPEN Informs that the upper cover is open Close the cover to release toe error display If the display does not change after the comer is closed check for correct operation of cover open switch and lever Replace the Power Supply Unit High Voltage ATTENTION e EEPROM RESETTING
41. No Replace the Main board Y vES END Y ves 5 INITIALIZING message shown in the LCD display No Replace the Main board Y YES A message shown in the LCD display No Take the proper action following the message shown in the LCD display For details see the Chapter 6 5 1 LCD STATUS message trouble list v YES END 1 4 4 Yes Is the operator panel connected to the Main board properly No Connect the operator panel properly Yes 1 the connecting cord defective e Yes Replace the connecting cord No Replace the operator panel assembly 40931201TH DRAFT Vesion 126 1 2 14 13 STKFULL Ee 95 SO 0000000000 26254 rd 1 3 2999999999909 no 9909999999999999999 199999999999999999999 1 9999999 9999990999 9999 1099999999999 9 9999999 1 2 5 199999999999999999999 5 6l
42. READY BUSY protocol b X ON X OFF protocol 40931201TH Rev 1 174 Appendix C DUPLEX UNIT MAINTENANCE 1 OUTLINE 11 Functions DUPLEX UNIT is a unit which is installed on the printer unit for controlling both sided printing from the printer unit intended for automatically reversing papers of which one side have been already printed and re feeding them to the unit for printing other side The main functions are the followings Paper that can be used Paper Type Cut Sheet Size A4 Letter Executive Legal13 Legal14 Special Size Paper Width 210 to 216mm Paper length 279 to 356mm Weight e 16 lbs 2416 64 81 g m 1 2 External View and Component Names 40931201TH Rev 1 175 2 MECHANISM DESCRIPTION 2 1 General Mechanicsm When the Duplex Unit receives an instruction for both sided printing from the unit the separator will be opened by the action of a solenoid within Duplex and the route will be shifted to the one into the Duplex after one sided printing of papers which are fed from the tray are completed At this time as the roller 1 rotates in the direction of arrow A a sheet is retracted in the rear of the cassette And then a given time later after the edge of the sheet passes through the IN SNS DUP the roller will reverse and the roller 1 rotates in the direction of arrow B and sending out the paper into the Duplex After that it passes though the roller 2 and 3 and is
43. System maintenance mode Note This mode is used only by service persons and it should not be released to the end users To enter the system maintenance mode turn on the POWER switch while pressing the RECOVER key Function There are 8 functions as follows Page count display Page count printing enable disable e Rolling ASCII continus prinitng e RS232C LOOP TEST EEPROM reset e ERROR recovery ERROR count display ERROR count reset SIDM enable disable 40931201TH Rev 1 90 Engine maintenance mode Note This mode is used only by service persons and it should not be released to the end users To enter the engine maintenance mode turn on the POWER switch while pressing the FORM FEED key and ENTER key Function There are 19 functions as follows Head type setting Head drive time setting Head drive time setting at Auto head type Head strobe time at 600 x 1200 dpi Printing start position setting Drum counter total display Drum count display Setting of standard paper feed length Setting of front feeder paper feed length Setting of second tray paper feed length Selection of second tray feeder download table Setting of third tray paper feed length Selection of third tray feed download table Setting of Multi purpose feeder paper feed length Selection of Multi purpose feeder download table Setting of duplex feed length Fuser count indication Fuser co
44. TRAY 2 TRAY3 and FRONT MANUALFEEDER Tn Cassette tray T1 TRAY 1 T2 TRAY 2 T3 TRAY 3 mmmmmmmmm Paper size in the tray being selected LETTER EXECUTIVE LEGAL 14 LEGAL 13 4 SIZE A5 SIZE SIZE B5 SIZE COM 10 MONARCH COM 9 DL ENV C5 ENV C4 ENV Emulation in operation AUT PCL PS PPR FX and HEX dddddd The mode of both sided printing one sided printing is indicated DUPLEX SIMPLEX ATTENTION O OFF LINE XXX dddddd tttttt Indicates off line status O ATTENTION O PROCESSING Indicates during data receiving or outputting Normal operation O ATTENTION O DATA PRESENT xxx Indicate that not yet printed data is remained in the buffer In a state of waiting for following data In the off line mode the data is printed by pressing the FORM FEED button HLLOZLEGOY Vl Category LCD status message O ATTENTION O PRINTING Trouble or status Indicate that the printer is printing O ATTENTION FLUSHING JOB Indicates that job flush is designated and the state in which data is received and abandoned until the completion of a job Normal operation READY ATTENTION O RESET TO FLUSH Mean that in shifting to off line in data remaining state if you want to abandon the data being processed execute the reset
45. at 120 50 6091 7 FOR HOME OR OFFICE USE requirements of the Interference This device complies with Port 15 of the FCC Rules Operation is Pede s seta subject fo the following two conditlons 1 185 device no couse bythe S Serlot No ir ju haf Interference ond 2 this device aust accept any Interference mules eka a Made in Jopo received including interference that couse undersired operation le 6K00 1 5 2 Warning label The warning label is affixed to the portion which may cause an injury to human body Follow the instructions on warning labels during maintenance CAUTION HOT ATTENTION CHAUD VORSICHT HEI amp ATENCI N ALTA TEMPERATURA ATENCAO ALTA TEMPERATURA CAUTION HOT VORSICHT HEIB Do not touch the inner roller Bertihren Sie nicht die innere Walzel ATTENTION CHAUD ATENCION ALTA TEMPERATURA Ne pas toucher le rouleau interne No toque el rodillo interior ALTA TEMPERATURA Non toccare il rullo interno COROO F KFEBNEOT CEE 40931201TH Rev 1 13 2 OPERATION DESCRIPTION OKIPAGE18 OKIPAGE20Plus consists of a main control board a power supply unit 120V 230V a power supply unit high voltage an operator panel and an electro photographic process mechanism The control board receives data through a host I F decodes and edit
46. 1 The square connector 2 should be horizontal to the cover frame 5 40931201TH Rev 1 234 3 3 4 Hopping Motor 1 Remove the upper cover see 3 3 1 1 to 3 2 Remove the AOLE PCB see 3 3 2 3 Remove two screws 1 then remove the hopping motor 2 40931201TH Rev 1 235 3 3 5 Planet gear 1 Remove the upper cover see 3 3 1 1 to 3 2 Remove the AOLE PCB see 3 3 2 3 Remove two screws 1 then remove the motor bracket assy 2 and the planet gear 3 40931201TH Rev 1 236 3 3 6 Roller B 1 Remove the upper cover see 3 3 1 1 to 3 2 Disengage the plate and frame on both sides 3 Remove the separator assy see 3 3 1 4 to 5 4 Remove the AOLE PCB see 3 3 2 5 Remove the motor bracket assy see 3 3 5 6 Remove the gear 1 7 Shift the roller B to the right lift it by holding on its left side and pull it out to the left side The bearing 8 also comes off at the same time so be careful not to lose it Further pay special attention to make sure that you do not damage the sensor lever while going through this procedure Engaging section 40931201TH Rev 1 237 3 3 7 Roller A 1 Remove the motor bracket assy see 3 3 5 2 Remove two gears 1 and then another gear 2 3 Disengage the plate 3 and the frame 4 4 Remove four screws and remove the frame 4 see 3 3 6 5 Move
47. 4 6 70 Yellow In case of EP ROM or OTP ROM Program Font ROM Location 1 7 4 000000000000 92 1 81 926259 610000000000000000009 000000000000 HEAD2 000000 12 STKFULL 1943 IV SIdNW 000000000000000000 72 71 2 71 000000000000000000 72 9000000000000000000 9000000000000000000 9000000000000000000 1 1 2 2 2 HAINISA HANNIS ZINIWIS 6 55555555 599555 vo oo ol z s o zle oll 20 IG 1NOH3 1 919 AVHIGNZ 159 40947501 40947401 40931201TH Rev 1 In case of MASK ROM 2 2 0 52 Loo 000 9 6 00 00 0 UE 1 81 1N35 926254
48. 40304301 Cover Side l F 40323401 Plate Shield 40304001 Cover Rear 40304508 Frame OP panel Ass ODA 40304503 Frame OP Panel Ass OEL 40304509 Frame OP panel Ass INT m 2381002P0007 SMCD6X280BDX10 BL A 2 4128 1074 001 Face up Stacker Assy 40441301 Manual Feed Assy 40027002 ROLLER Transfer 4 4076 5042 001 40378001 Contact Assy 40378401 CASE Assy Cassette 40927901 Frame Assy Separation 40496001 PLATE Damper 4PP4076 5067P001 Earth Plate BK R 40946904 Board FFF Without ROM 40947401 PROM Control PS 40947501 PROM Control PCL 40295701 Connection Cord Wire power supply 40405419 Board FSL 40405420 Board FSL 2 40462501 COVER Blind 40931201TH Rev 1 162 Ej y e gt e ee Figure 8 2 Frame Main Unit 40931201TH Rev 1 163 Parts No Table 8 2 Frame Main Unit 1 2 Reccomended Q ty 100 1000 Remarks 40596901 FRAME Assy Main 4LB 192600 6 Spring TSP3 3 0 35 16 2 33 9 230G 4PB4083 6197P001 Damper 40315801 LEVER Separator 4PP4076 5035P001 TR Bearing 4PP
49. Are the LED lens dirty e Yes Clean the LED lens No Is the contact plate of the transfer roller contacted with the Power Supply Unit High Voltage properly See Figure 6 6 Make the contact plate contact with the Power Supply Unit High Voltage properly Yes Replace the transfer roller See 3 3 36 Has the trouble been removed YES END No Is the LED head installed properly Check connector HEAD1 14p HEAD2 12p on the Main board and PC connector on the LED head No Install the LED head properly Yes Replace the LED head Has the trouble been removed YES END Note X After replacing the LED head set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time Refer to Section 4 2 Yes Replace the image drum cartridge Has the trouble been removed YES END Note X After replacing the image drum cartridge set the printer in the user maintenance mode by turning the power on while pressing the MENU key Reset the drum counter Refer to User s Manual No Replace the Main board or Power Supply Unit High Voltage 40931201TH DRAFT Vesion 149 9 Snowy print of high density pattern 4 4 M Is toner low Yes Supply toner No Is paper of the specified grade used No Use paper of the specified grade Yes 15 the lens of the LED head dirty Yes Clear the lens No Is the LED head installe
50. ERROR 81 Notifies of occurrence of interface timeout between the printer and the Multi Feeder Verify connection of AOLE PCB and square shaped connector Replace the square shaped connec tor if necessary Replace AOLE PCB 40931201TH Rev 1 241 4 3 2 Troubleshooting Flow e JAM error Paper Input_Jam YNO NO YNO NO NO YYES lt Does paper jam at the inlet when the power is turned on 4 YES 1 the paper located above the inlet sensor lever YES Remove the paper Is the inlet sensor lever operating normally Replace the inlet sensor lever YYES Clean the inlet sensor 1 on the power supply unit High Voltage or replace the power supply unit High Voltage See Fig 2 3 Sensor Layout Diagram When the paper is fed in does the paper input jam occur 4 YES Isthe paper being fed to above the inlet sensor lever YES _ Is the inlet sensor lever operating normally Replace the inlet sensor lever YES Clean the inlet sensor 1 on the power supply unit High Voltage or replace the power supply unit High Voltage See Fig 2 3 Sensor Layout Diagram YNO Replace the feed roller roller A or roller B Are the feed roller roller A and roller B rotating e YES Set the paper properly Is the belt torn e YES Replace belt Is the pulse motor turning YES Replace planet gear Is the connector cable being connected pro
51. High Voltage or replace the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Y No Does jam eror occur after paper feeding 1 Yes Is the paper fed on the inlet sensor lever Yes Does the inlet sensor lever operate smoothly No Replace the inlet sensor lever Yes Clean the inlet sensor 1 on the Power Supply Unit High Voltage or replace the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Y No Replace the hopping roller assembly or paper cassette assembly Y No Is the hopping roller rotating Yes Set the paper cassette properly No Isthe hopping motor rotating Yes GEAR ASSY CLUTCH 250 turned Is acable and connector securely connected between GEAR ASSY CLUTCH and MAIN BOARD No Connect the cable firmly Is the printer recoverd YES END No Replace the GEAR ASSY CLUTCH Z50 Y Yes Replace the Frame Assy Hopping Y No Are the cable and connector between the hopping motor and the Main board connected properly see Chapter 7 1 No Connect each connector properly or replace the nylon connector cord white 9 pins Yes 15 the coil resistance normal resistance about 6 7 Q of the hopping motor normal No Replace the hopping motor Yes Replace the Main board 40931201TH DRAFT Vesion 129 2 2 Paper input jam front feeder Does jam error occur when the power is turned on Yes Is the paper at the inlet sensor
52. J9MOd iL Jewog ensodx3 Jaded 31 A 1901 1 jddns umop 2024 290 yola Jaded 25 40931201TH Rev 1 HLLOCLE6OY 9c 9 2 DMON N DRUM MOTOR HMON N HOPPING MOTOR PWM1 P CLUCH for hopping PWM2 P CLUCH for REGISTRATION PSIN1 N INLETSENSOR 1 WRSENSE N PAPER SENSOR PSOUT N OUTLET SENSOR STB N LED HEAD PAPER OFF ON OFF ON ON OFF ON OFF OFF ON OFF ON OFF ON OFF ON PAPER TRAY PRINTER STACKER SIMPLEX PRINTING TIMING CHART HLLOCLE6OY 2 122 DMON N DRUM MOTOR HMON N HOPPING MOTOR SN PWM1 P CLUCH for hopping DE 2 CLUCH for REGISTRATION E UNI NSN REAR SENSOR inDUPLEX ow DUPFSNS N FRONT SENSOR in ON qc d d eee DUPLEX UNIT OFF PAPER PRINTER PRINTER DUPLEX UNIT STACKER TRAY DUPLEX UNIT PRINTER DUPLEX PRINTING TIMING CHART PSIN1 N INLETSENSOR1 S OFF WRSENSE N PAPER SENS
53. Open the hooks of the cover stacker 1 in the direction of the arrow and remove the LED head 4 Pull out the head spring from the post Note Don t remove two LED cable from the PC connector 40931201TH Rev 1 75 3 3 19 Paper cassette ROLLER Ass Feed ROLLER Assy Hoppibg 1 Pull out the case assy cassette from the printer 2 Remove the ROLLER Ass Feed and remove the ROLLER Assy Hopping 40931201TH Rev 1 76 3 3 20 Frame Assy Separation 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Pull out the case Assy Cassette from the printer See 3 3 19 1 3 Release two locks and remove frame assy separation At this time coil spring 3 is also remove Be careful not to lose this spring Insert so as to pass the both arms of behind two latches inside the alcove of unit 40931201TH Rev 1 77 3 3 21 Transfer Roller TR Gear TR Bearing 1 Open the stacker cover 2 Unlock the lock by lifting the TR gear to remove the TR gear and roller transfer Use the Holder TR Eject for the removal Note Don t place the removed roller transfer directly on the desk and so on When placing it lay a paper and the like under it 3 Remove right and left 2 bearings amp from the frame main by sliding them inside while pushing them At this time 2 transfer springs R would be detached simultaneously
54. Remove screw 8 from LINK Sheet and then remove link support and Roller link 8 Unscrew two screws 1 and remove the Square shaped connector 176496 1 and Nylon Connector and TR 23 11 R CORE 9 Unscrew two screws 15 and remove the two Plate Earth Bottom 10 Unscrew two screws 7 and remove the Square shaped connector 5 176496 1 Connection Cord Wire and TR 23 11 R CORE 11 Unscrew a screw 6 and remove the Detector spring 12 Unscrew a screw and remove the Board PXC 60 40931201TH Rev 1 88 89 4 ADJUSTMENT This chapter explains the adjustment necessary when replacing a part Adjustment is made by changing a parameter value set in EEPROM on the controller PCB A parameter is able to set with the key operation on the operator panel This printer has three kinds of the maintenance mode it is required to select one of the maintenance mode necessary when replacing a part 4 1 Maintenance Modes And Functions User maintenance mode To enter the user maintenance mode turn on the POWER switch while pressing the MENU key Function There are 13 functions as follows Menu reset Y adjust Hex dump Duplex Adjust Drum counter reset Select paper source command parameter e Resource Save Second Third Front Tray e Receive Buffer Size Page placement e Operator panel menu disable Setting e X adjust Cleaning cycle
55. TYPE3WB label is as follows 405472 404382 Press the ENTER key HEADTYPE is set to EEPROM TYPESWB is displayed on LCD Press the Menu key LED HEAD Display privious No 17 parameter No Press 4 or P key until 14 is displayed LED HEAD No 14 Press the ENTER key LED HEAD Parameter 14 is set to EEPROM No 14 displayed on LCD Press the ON LINE key After initializing process is completed the printer enters into the operation mode and the setting operation is finished Do not turn the power off until the printer enters into the on line state 40931201TH Rev 1 108 5 PERIODIC MAINTENANCE 5 1 Periodic Replacing Part As specified below the parts shall be replaced periodically Part name Condition for replacement Cleaning Remarks Toner cartridge 5 000 LED head Consumables Regist Paper dust Image drum cartridge 30 000 LED head Consumables Regist Paper dust Heat Assy 200 000 Transfer Roller 200 000 Back up Roller Assy 200 000 Feed Roller Assy 200 000 Hopping Roller Assy 200 000 Separation Frame Assy 200 000 5 2 Cleaning Remove any toner and dust Clean inside and around the printer with a piece of cloth when necessary Use the handy cleaner VACUUM for cleaning the printers interior Note Do not touc
56. The hopper automatically feeds the printer with the paper being set single sheet at a time Multi Feeder Printer Roller B Roller A Roller C Registration roller 40931201TH Rev 1 227 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 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 Feeder from the printer 2 Do not disassemble the Multi 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 40931201TH Rev 1 228 Service Tools Table 3 1 shows t
57. Unit AC DC 120Vj ODA 120V 40160001 Power Supply Unit AC DC 230V ODA 230V OEL INT 40160301 Power Supply Unit High Voltage 40307301 40931201TH Rev 1 168 Appendix A 1 Connector CENTRONICS PARALLEL INTERFACE Printer side 36 receptacle e Cable 2 Cable e Cable Type 57RE 40360 830B D29 made by DDK or equivalent side 36 pin plug Type 57 30360 made by DDK or equivalent length 6ft 1 8 m max a shielded cable composed of twisted pair wires is recommended for noise prevention Note Cable is not provided 3 Table of parallel I F signals Pin No Signal name Signal direction Compatible Nibble ECP 1 DATA STROBE PR nStrobe Host Clk Host Clk 2 9 DATABIT n PR Data 1 LSB 8 MSB 10 ACKNOWLEDGE lt PR nAck Ptrclk PeriphClk 11 BUSY lt Busy PtrBusy PeriphAck 12 PAPER END lt Perror AckDataReq nAck Reverse 13 SELECT lt PR Select Xflag Xflag 14 AUTO FEED PR nAutoFb HostBusy HostAck 15 16 Signal Ground 17 CHASSIS GROUND Chassis Ground 18 45V c PR 5V Supply 50mAm 19 Signal Ground 20 27 OV Signal Ground 28 Singal Ground 29 Signal Ground 30 4 Signal Ground 31 INPUT PRIME PR ninit ninit nReverseRequest 32 FAULT lt PR nFault nDataAvail
58. and then turning the error display off Tray paper out PAPER OUT mmmmmmmm TRAY third Paper Feeder mmmmmmmm Paper size in the tray being selected Notifies of no paper or paper cassette state of the Second Load the paper or paper cassette in the Second third Paper Feeder Interface Timeout ERROR 81 Notifies of occurrence of in terface timeout between the printer and the Second third 20r3 Paper Feeder Verify connection of Board BBB and square shaped connector Replace the square shaped connector if necessary Replace Board BBB 40931201TH Rev 1 219 4 3 2 Troubleshooting Flow e JAM error Paper Input_Jam Y NO t NO t NO YES Y vES t Does paper jam at the inlet when the power is turned on lt YES 1 the paper located above the inlet sensor lever YES Remove the paper Isthe inlet sensor lever operating normally NO Replace the inlet sensor lever TvES Clean the inlet sensor 1 on the power supply unit High Voltage or replace the power supply unit High Voltage See Fig 2 3 Sensor Layout Diagram When the paper is fed in does the paper input jam occur 4 YES 1 the paper being fed to above the inlet sensor lever YES 15 the inlet sensor lever operating normally Replace the inlet sensor lever e YES Clean the inlet sensor 1 on the power supply unit High Voltage or replace
59. bly order diagram below Duplex Unit Board LEX 3 3 1 L Connector 3 3 2 Photo Sensor 3 3 3 Solenoid Assy 3 3 4 Motor 3 3 5 40931201TH Rev 1 183 3 31 Board LEX 1 Remove two LEVER Lock DUP by rotating them in the arrow direction 2 Unscrews five screws to remove the bracket 3 3 Unlatch all the nails and unplug all the connectors to remove the Board LEX Note When installing the Board LEX install it positioning earth plate over the PCB 40931201TH Rev 1 184 3 3 2 Connector IMSA 9714N 14A Remove two LEVER Release DUP 1 1 Take away two SPRING Support 2 to remove FRAME MAIN DUP Remove the FRAME MAIN DUP by lifting in up from side 2 Remove two STUD to unplug the Connector IMSA 9714N 14A 3 ES ANN 5 5224 Y NA I RON YV SV DOS 185 40931201TH Rev 1 3 3 3 Photo Sensor 1 Remove the Frame Main DUP see section 3 3 2 2 Release the lock to remove two SPRING Lock frame 1 and two LEVER Lock Assy 3 Pull out four SHAFT Pinch 3 and remove four ROLLER Pinch and eight SPRING Pinch 4 Release the lock to remove two BRACKET Pinch 6 and two SPRING Pinch R 5 Release the lock to remove LEVER Sensor D IN 40 and SPRING Sensor i 6 Unplug the Connection Code
60. e c 9195529 Jedeg 6 6 Jedureq 117676 sibay Assy 01 5 5 1 1 19 09 9 2 2 Jay 19409 2176 1970215 105096 wuy sadweq Assy 199815 344 0084 5 Assy dO 9 ya Assy jejou 1 6 Assy V3H 6 Jojow ue oq lt lt Assy 1081000 Lee Assy sayoris dn eoej WU This section explains how to change parts and assemblies appearing in the disassembly diagram below 56 40931201TH Rev 1 3 3 1 Face up Stacker Assy 1 Turn off the AC Power Switch and unplug the AC Power Cord from the outlet 2 Disconnect the Interface Cable 1 3 Open the face up stacker assy unhook the right and left projections and then remove the face up stacker assy 40931201TH Rev 1 57 3 3 2 Contact Assy 1 Open the stacker assy and unscrew 2 screw 2 to remove the assy side L 2 Unscrew 2 screws 4 and remove the plate contact and contact Assy Note Don t deform the electrode plates of the contact assy 40931201TH Rev 1 58 DC Fan Motor 3 3 3 1 Remove the cover assy side L See 3 3 2 1 2 Remove the DC fan motor by pulling out the connector of DC fan motor 59 40931201TH Rev 1 3 3 4 OP Panel Assy Disconnect the Interface cable 1 1 2 Open the stacker assy un
61. frame Refer to 3 3 6 6 Remove two screws 5 and remove the separator assy 6 7 Lift the paper stay 7 and disengage it from the separator bracket 8 then remove the separator 9 The spring 40 comes off at the same time so be careful not to lose it Plessure spring Roller _ m Check at the time of assembly When the secondary stage of idle gear 17 is turned in the A direction after engaging the plate and the frame the inclination of the pressure roller 42 is less than 0 1 mm against the plate 49 as shown in the right figure When the inclination of the pressure roller exceeds 0 1 mm fine adjust it by pressing with fingers as shown in the left figure with the pressure spring roller installed 40931201TH Rev 1 232 3 3 2 AOLE PCB 1 Remove the upper cover see 3 1 1 1 to 3 2 Remove two screws 1 and remove the AOLE PCB 2 3 Remove the connector 3 4 Remove the connector 2 Caution careful to set the sensor plate properly when mounting AOLE PCB Sensor plate 40931201TH Rev 1 233 3 3 3 Square shaped connector 1 Remove the upper cover and remove the cover frame 5 see 3 3 1 1 to 4 2 Remove the AOLE PCB see 3 3 2 3 Remove the screw 1 and remove the square shaped connector 2 4 Using the connector remover remove the nylon cord from the square shaped connector Confirmation after assembly
62. lever Yes Remove the paper A No Does the inlet sensor lever operate smoothly No Replace the inlet sensor lever e Yes Clean the inlet sensor 1 on the Power Supply Unit High Voltage or replace the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Y No Doesa jam error occur after paper feeding Yes Is the paper fed on the inlet sensor lever Yes Go to Does the front feeder paper sensor lever operate smoothly No Replace the lever of the front feeder paper sensor Yes Clean the front feeder paper sensor 44 Is the printer recovered YES END No Replace the front feeder paper sensor assembly No Is the hopping roller rotating Yes Set the paper properly No 15 the hopping motor rotating Yes Replace the front feeder gear or idle gear 40931201TH DRAFT Vesion 130 2 3 Paper feed jam 1 Does paper feed jam occur when the power is turned on Yes Is the paper on the paper sensor lever Yes Remove the paper No Does the paper sensor lever operate smoothly No Replace the paper sensor lever Yes Clean the paper sensor See Figure 2 3 Sensor Layout Diagram ls the printer recovered No Replace the Power Supply Unit High Voltage YES END oq No Hasthe paper reached the paper sensor lever Is the Drum motor rotating No Goto on the next page e Yes Is the cluch for registe
63. nPeriphRequest 33 oV 34 35 HILEVEL lt High Level 36 SEL IN PR nSelectln 1284 Active 1284 Active Connector pin arrangement 40931201TH Rev 1 169 4 Signal level LOW 0 V to 0 8 V HIGH 2 4 V to 5 0 V 5 Interface circuit a Receiving circuit DATA STROBE and INPUT PRIME C DATA STROBE 560pF INPUT PRIME 0 001 pF DATA BIT 1 to 8 5V R3 3 3KQ R3 o gt 74LS374 or equivalent b Sending circuit 5V R4 3 3KQ 7407 or equivalent Open collector 40931201TH Rev 1 170 6 Timing charts Compatible mode a Data receiving timing PARALLEL DATA DATA BITs 1 to 8 DATA STOROBE BUSY ACKNOWLEDGE me min b On line off line switching timing by ON LINE SW ON LINE SW Nec BUSY SELECT 100 ms max Off line on line switching timing by ON LINE SW ON LINE SW Ee gt BUSY IRAE 0 min ACKNOWLEDGE 100 ms 40931201TH Rev 1 171 d INPUT PRIME timing when set to the effective INPUT PRIME signal 50 us min INPUT PRIME BUSY SELECT 5us max ACKNOWLEDGE Nibble Mode Conforms to IEEE 1284 spec ECP Mode Conforms to IEEE 1284 spec 0 min 40931201TH Rev 1 172 Appendix B RS 232C SERIAL INTERFACE 1 Connector Printer side 25 receptacle 17LE 13250 27 D4CC made by DDK or equivalent e Ca
64. paper feeder 14 Setting of Multi Feeder paper feed length This function sets the paper feed length of the Multi Feeder 15 Selection of Multi Feeder download table This function selects the download table for the Multi Feeder 16 Setting of duplex feed length This function sets the paper feed length of the duplex 17 Fuser count display e Displays on the LCD the total number of printed pages counted at the engine 18 Fuser count reset When the fuser unit is replaced the maintenance person uses this fuser count reset function to reset the fuser lifetime Afterthe fuser counter is reset the engine enters into the operation mode automatically 19 Engine reset All EEPROM areas used by the engine are reset to the factory default values The following items are excluded Menu level 1 Menu level 2 Operator panel menu disable enable Page print disable enable Transition to the operation mode occurs upon completion of resetting Note Do not change the default value of 1 5 8 16 they are the parameter for adjusting in the factory 40931201TH Rev 1 99 Engine maintenance mode menu system ENTER key FORM FEED Power ON LCD display ENG MNT Press the Menu key Press the HEAD 20 key ma TYPE1 Press the Menu key TYPE3WB When HEADTYP
65. side wire bonding head Correction Control LSI EEPROM LED Array LED Leo Leo Len Leo Len LED Driver LED Driver LED head is set to the correction control read mode and all correction data stored in EEPROM within the correction control LSI are read by CPU and stored temporarily in the memory ii Next LED headis setto the correction control direct mode and the correction data stored temporarily in the memory is transferred directly to the LED driver 40931201TH Rev 1 41 Read of correction data i Z uBiH 6619 e3ep 012941092 pejqeue Qu 939019 72802 18101 gn peal 39019 8 7900 8 7900 8 4000 8 7200 8 Y 4 gt 4 gt lt pod be gt 4 9 zu 0025 1102 ae yeep Ned CX X X i uonoeJ102 UU UUW UU UU UU UU UU UU UU 5105
66. that provides the platform to connect various of boards including those supplied by third venders such as the LAN connection expansion board and SCSI expansion board Any expansion boards compatible with this interface can be mounted on the Control board in the piggyback board from without modifying the program at the printer side The conceptual diagram of the OKI HSP interface is shown in Figure 2 2 For the electrical physical characteristics of the OKI HSP interface see the OKI HSP interface technical manual Printer Network etc Control board LAN gt expansion board OKI HSP interface Figure 2 2 40931201TH Rev 1 18 7 RAM module Pin layout 1 36 37 72 Basic specificaton Type 72 pins Standerd SIMM 32 bits buss width Note EDO SIMMtype Access time 60ns 70 5 80ns 100ns Capacity 16 or 32MB Parity None 8 Flash ROM module Pin layout Board FSL or Board FSL 2 4MB 8MB A 1 36 37 72 Basic specificaton Type 72 pins SIIM 32 bits buss width Access time 90ns Capacity 4 or 8MB 40931201TH Rev 1 19 2 2 Power Supply Unit The power supply unit consists of an AC filter circuit a low voltage power supply circuit a high voltage power supply circuit heater drive circuit and p
67. the belt to the right and remove it from the one way pulley 6 Move the carrier roller assembly to the right and remove it from the shaft 7 7 Move the roller A 8 to the right lift its left side and then pull it off to the left Be careful not to lose the shaft 7 being removed together Carrier roller assy 40931201TH Rev 1 238 3 3 8 Mini pitch belt amp Feed roller 1 Remove the roller A see 3 3 7 2 Remove the bearing 1 and remove the feed roller assy 2 3 Remove two bearings and remove the plate 4 4 Remove the mini pitch belt 5 and the feed roller 6 40931201TH Rev 1 239 4 TROUBLESHOOTING 4 1 Precautions Prior to the Troubleshooting 1 Go through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred 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 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure Problem occurs Problem displayed by Troubleshooting Carry out detailed accordi
68. the printer recovered No Replace the Main board YES END Is the heater or thermistor open Measure the resistance between the thermistor contacts and between heater contacts normal resistance 220 25 C between pins 1 and 2 1 5 120 V and 5 8 Q 240 V between pins 3 and 4 See Chapter 7 3 Yes Replace the fuser unit Is the AC voltage applied to the CN2 connector on the Power Supply Unit AC120V or 230V See Figure 6 3 No Is CN2 connector connected to the Power Supply Unit AC120V or 230V No Connect the CN2 connector to the Power Supply Unit AC120V or 230V properly Yes Is Pin 6 HEAT ON signal of the POWER connector of the Main board turned on In heater on state this pin is set to O V No Replace the Main board Yes Replace the Power Supply Unit High Voltage YES 40931201TH DRAFT Vesion 137 5 I F time out between printer and optional tray ERROR 81 T Is an optional tray 2nd 3rd tray or envelope feeder used Yes Is the connection between the Main board and the optional tray connected properly See Chapter 7 1 e No Connect the cable properly Y ves Replace the Main board Y Is the printer recovered No Isolate the trouble by following the 2nd 3rd tray or multi feeder maintenance manual See Appendix D or E YES END No Replace the Main board 6 I F time out between printer and Duplex Unit ERROR 83 Is an Duplex Un
69. to User s Manual No Replace the Main board or Power Supply Unit High Voltage 40931201TH DRAFT Vesion 143 2 Dark background density 4 4 4 Has the image drum been exposed to external light Yes Mount the image drum in the printer and wait for about 30 minutes No Is the heat roller of the fusing unit dirty e Yes Clean the heat roller No Is the contact of the cleaning roller of the image drum cartridge contacted with e contact assembly properly See Figure 6 5 No Adjust the contact of the cleaning roller to contact the contact assembly prop erly Yes Replace the image drum cartridge Has the trouble been removed YES END Note X 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 Refer to User s Manual No Replace the Main board or Power Supply Unit High Voltage 3 Black paper is output 4 oq Is the LED head connected properly Check connector HEAD1 14P HEAD2 12p on the Main board and PC connector on the LED head No Connect the LED head properly or replace the head cable Yes Is the contact of the image drum cartridge contacted with the ground contact properly See Figure 6 5 D No Check the ground contact of the image drum cartridge Yes Check the connectors HEAD1 14 and HEAD2 12 No R
70. 2 15 69915 9915 N L8HIS 0 6 V1VG avol 90719 42 40931201TH Rev 1 ii Transfer of correction data to head driver correction data uey N vauls 69915 8815 N I8HIS gt qr 1194 Pq dI 1194 gt 124 gt apo 193410 dL V Jo Wed y L vauls 0 6 CC O Peel avol 390710 Logeelep uonoe4102 Logzelep uonoelio 2 Oozgelep 12 109 Oogzelep 291107 OOELelep jejep 43 40931201TH Rev 1 The LED driver corrects the LED illumination by controlling the LED current The LED illumination canbe setin 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 used in an LED head is shown below LED Correction Data Corretion Data Correction Step Correction Mode 16 14 12
71. 2 ERROR 73 Turn the power OFF ON Y Does a fuser unit error occur immediately e Yes Is the thermistor open or shorted Measure the resistance between thermistor contacts About 220 kQ at room temperature 25 C See Chapter 7 3 for the measuring points Replace the fuser unit v H Is cable of the thermistor connected to 8 connector on the Power Supply Unit High Voltage Is there any flaw on the cable of the thermistor No Adjust the thermistor contact so as to touch the contact assembly properly Yes Does appear the heat on signal at pin 6 HEAT ON signal 0 V in heater on state of the POWER connector on the Main board No Replace the Main board Yes Replace the Power Supply Unit High Voltage 2 4 No Does a fuser unit error occur after more than 120 seconds from the power on No Goto 4 Y ves Turn the power OFF ON Y Is the heater of the fuser unit turned on When the heater is turned on heat is radiated Yes Is acable of the thermistor connected to CN8 connector on the Power Supply Unit High Voltage e No Isacable of the heater connected to CN2 connector on Power Supply Unit 120V or 230V To on the next page B To on the next page 40931201TH DRAFT Vesion 136 From on the preceding page 4 No 4 No T From on the preceding page B Yes Replace the fuser unit Is
72. 32C serial interface Parallel interface controller Control of Centronics parallel interface Timer Generation of various control timing Monitoring of paper running and paper size Serial I O port Control of serial interface between controller and operator panel EEPROM Control of a serial interface between controller and power supply board port Inputting of various sensor signals Outputting of various control signals Motor driver controller Control of Main Motor Image processing circuit 2 Program font ROM s PCL ROM Executes the image data process for printing The program font ROM s store the HP LJ5 emulation program and various types of font MASK ROM is used as the program font ROM s PS ROM The program font ROM s store the Adobe PostScript Level 2 program and its fonts 40931201TH Rev 1 16 3 DRAM s 16 Megabyte DRAM 64 Mbit DRAM x 2 is mounted as resident memory to be used for storing the program and providing various buffers This DRAM is expandable up to 128 Mbytes by adding expansion memory SIMMs This DRAM provides the areas shown in the following table Memory area Memory capacity setting MENU Expansion RAM System area Working area used for the program Fixed Fixed Raster buffer Stores converted bit image data Enable Expandable Receive buffer Stores temporarily the data received Enable Expandable from the host interface
73. 4076 5039P001 TR Spring R 40299701 GUIDE ASS Discharge 1 als 40032901 Sensor In E 40033001 Spring In Sensor 3PP4076 5082P001 Write Sensor Lever A 4PP4076 5086G001 Toner Sensor Lever Adhesive A 40583801 LEVER Assy Out sensor a 40324001 SPRING Out Sensor E 4 4076 5047 001 EP Lock Shaft E 4PA4076 5048G001 EP Rock Lever L Assy N 40597001 Cord Ass Front GTO O A 40301601 ROLLER Regist A 40301701 ROLLER Pressure 40614401 Bearing Assy Registration A 40301801 GEAR Regist 40301901 40323901 ROLLER Feed 4 4076 3949 001 40316301 GEAR Roller 40302401 GEAR Idle 40298201 40298301 MOTOR Main 40298801 PLATE Damper 40332901 GEAR Idle 40320301 GEAR Idle 40299201 GEAR Idle C 40302201 GEAR Idle D 40299301 GEAR Idle E 40299401 GEAR Idle F
74. 4A To 3rd Tray 40247301 Roller feed 4PP4043 4489P001 Feeding bearing 4PP4076 3949P001 Bush 0 0Oo Oo o 40247101 Gear feed A 40247201 Pulley feed 40247801 Bracket joint 40433401 Spring joint 40247701 Gear joint 40247501 Shaft hopping jojo jojo ojo wo COO O 40931201TH Rev 1 224 Table 6 1 High Capacity Second Third Paper Feeder 2 2 Parts No Name Q ty U Reccomended Q ty 100 1000 Remarks 4PP3522 3568P001 ADF bearing 12 40433701 Bracket sub roller Cauking 40317701 Gear planet z28 40358101 Plate planet 40367101 Bracket spring sub 40928201 Spring sub roller 40317601 Gear 238 40385901 Lever release assy 40363301 Spring release 40442501 Guide roller 4 4076 5308 001 Bearing F 40363401 Spacer hopping shaft 40348401 Gear hopping 2nd 40348501 Bracket planet assy 40317901 Lever paper end 40318001 Lever paper near end 40387101 Board BBB 40375101 Connection code wire To 3rd Tray 4LP 1313 121 Mini pitch belt DIDI DIDI 40371301 Roller assy hopping E 40313201
75. 5 54 8 000 10597 18 9000 10697 18 8 5000165951148 m 0001 16696 18 mw S ZOOOWOE9rZ18 m 8000 10597 18 mE STKFULL 1 SIdNW 71 00000000000000000072 71 e0000000000000000079 72 P E 59 9 71 2 1 2 1 2 HANISH HANNIS ZINIWIS 555552552 S 1NOHd HOLOW 819 160 IC8 1C30 40931201 Rev 1 PARTS LIST 8 Figure 8 1 Printer Unit 161 40931201TH Rev 1 Parts No Table 8 1 Printer Unit Name Reccomended Q ty 50 100 1000 Remarks 40441001 Cover Side L Ass 1 2 40304101 Cover Side R 1 40304401 Cover Frame
76. 5 Start printing after the paper turns off the Write Sensor 40931201TH Rev 1 30 Hopping Roller Hopping Motor Front Feeder Gear C one way clutch build in ho Front Feeder Plate Pressure Roller Paper WIRE S lt 4 pe Regist Roller Paper Hopping Roll i dd Sub Roller 1st Hopping Gear One way Gear build in home position 0 30 N Front Hopping Shaft Q 1 1 25 1 1 1 22 lt p FF Cam Release Lever j Micro SW eon Front Feeder Plate 40931201TH Rev 1 31 Pressure Roller Regist Roller Clutch Regist Inlet Sensor Write Sensor Clutch Feed Main Motor Align Roller 2 Feeding After the end of hopping the pulse motor dedicated for driving the registration roller rotates to drive the registration roller The driven registration roller advances the paper until it comes out of the registration roller When leading edge of the paper causes the paper sensor to turn on the printing is started synchronously Although Gear D is always rotating due to an all time rotation of the main motor in direction the regist roller would not rotate because the clutch regist is turned off After the completion of hopping turn on the clutch r
77. 8 Mini pitch belt Feed 239 4 TROUBLESHOOTING iiti portera c ee SR tek eed 240 4 1 Precautions Prior to the Troubleshooting 2 2 240 4 2 Preparations for the 240 4 3 Troubleshooting 240 4 3 1 LCD Status Message 11 52 241 4 3 2 Troubleshooting 242 5 CONNECTION DIAGRAM sss nennen nennen nennen rese nnn nennen 243 5 1 Interconnection Diagram 2 243 5 2 PGB Layouts ene ee eee 243 6 PARES BIST 244 40931201TH Rev 1 6 1 CONFIGURATION 11 System Configuration OKIPAGE 18 OKIPAGE20Plus consists of control and engine blocks as the standard configu ration See Figure 1 1 In addition the following options are also available AC IN 120V 2300 1 1 Operator Face down Face up panel stacker stacker f 1 1 1 gt t4 Sel ees PC etc Power Printer Main control 4 gt supply gt Mechanism unit i I VD unit Centronics ae Parallel interface DC Fan Toner Cartridge Bidirection 1 1
78. APER Informs that in feeding papers from n tray to the Duplex unit a jam occurs when a paper is impinge fed in the Duplex unit by monitoring DUP R SNS ON DUP F SNS ON Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O DUPLEX OPEN JAM REMOVE THE PAPER Jam which occurs in feeding papers to the Duplex when the first tray cassette is pull out in paper remaining state Structurally No first tray cassette will cause no reverse root for papers and open the Duplex cover downwards Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O PAPER INPUT JAM CHECK tttttt Informs that a jam occurs during paper running after exiting from the tray Check the paper in the cassette Open the cover then Close it to perform recovery printing and the error display is released If the error ocuurs frequently see chapter 6 5 2 HLLOZLEGOY 1021 Category Daily status LCD status message ATTENTION O PAPER FEED JAM CHECK tttttt Trouble or status Informs that a jam occurs during paper running after exiting from the tray Open the cover remove the paper then close the cover When the cover is closed recovery printing is performed and the error display is released
79. E AUTO Press the is selected Xl or Writing into the EEPROM is performed E LED HEAD No 1 0 AUTO 16 No 17 2 when the Enter key is pressed AUTO 15 Press the No 17 5 AUTO Menu key No 31 AUTO 15 No 32 Press the STRB TIM 2 Writing into the EEPROM is performed No 0 _ 0 when the Enter key is pressed 2 Press the 4 Menu key Press the key Writing into the EEPROM is performed PRINTPO 0 mm riting into the Is pertorme 0 mm 0 5 mm when the Enter key is pressed 0 5 mm intervals Press the 435mm Menu key 40 mm 0 5 DRUM CNT T nnnnnn Press the Menu key DRUM CNT nnnnnn Press the Menu key 40931201TH Rev 1 100 T1 POS Press the FRNT POS Press Menu the key T2 POS Press Menu k the T2 TBL No 3 Press the EF POS Press the EF TBL No 3 Press Menu the key DUP POS Press Menu the FUSR CNT nnnnnn Press Menu the FUSR CNT RESET Press Menu the ENGINE RESET Press the Menu key Press the INITIALIZING ON LINE XXX key key Press the X or 8 Menu key Press the or Pressthe Xl or Pkey ey Press the
80. LEX connected properly Yes Does the connection cord have a break Yes Replace the connection cord Con nection Code Wire No Replace the Duplex In sensor FX50 Photo Sensor e YES END Y No Connect the connection cord properly Y No Replace the Duplex In sensor lever LEVER Sensor D IN and SPRING Sensor D IN Y No Isthe connection cord between the Motor and the Board LEX Yes Replace the GEAR Assy YES END No Replace the Motor YES END No Replace the Board LEX Y No Connectthe connection cord properly Y No Does the square shaped connector between the Duplex unit and printer unit has any trouble Is there a pin bend or other troubles Yes Is the connection cord between the Duplex unit and the printer unit connected properly See Chapter 7 1 and Appendix C Chapter 5 1 t Yes Does the connection cord have a break Yes Replace the connection cord Core Assy DUPLEX Y No Isthe connection between the solenoid and the Board LEX connected properly Yes Replace the SOLENOID Assy YES END No Replace the Board LEX Y No Connectthe connection cord properly Y No Connectthe connection cord properly Y No Replace the square shaped connector Connector IMSA 9714N 14A 40931201TH Rev 1 191 Duplex FEED JAM1 4 Is there a paper on the Duplex In sensor lever No _ Is the Duplex In sensor operating normally Yes Is the connection cord betwe
81. N signal from the control board This AC voltage heats the heater The control board supervises the heat roller temperature via the thermistor and regulates the heater roller at a predetermined temperature 202 C Normal paper MEDIA TYPE MEDIUM by connecting or disconnecting the AC voltage supply to the heater If the heater roller temperature rises abnormally the thermostat of the heater voltage supply circuit is activated to cut the AC voltage supply forcibly 40931201TH Rev 1 23 2 3 2 Electro photographic process The electro photographic processing is outlined below Figure 2 5 shows the electro photo graphic printing process D Charging The surface of the image drum is uniformly charged with negative charges by applying a negative voltage to the charge roller Exposure Light emitted from the LED head irradiates the negatively charged surface of the image drum The surface potential of the irradiated part of the image drum surface is lowered so that an electrostatic latent image associated with the print image is formed 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 Transfer When paperis placed overthe image drum surface and a posi
82. OKI OKIPAGE18 OKIPAGE20Plus LED Page Printer Maintenance Manual ODA OEL INT 1999 5 31 Rev 1 1 245 PREFACE This maintenance manual describes the field maintenance methods for OKIPAGE18 OKIPAGE20Plus This manual is written for use by maintenance personnel Note however that the user should refer to the USER S MANUAL for methods of handling and operating the equipment 40931201TH Rev 1 2 CONTENTS CONFIGURATION 7 11 System 7 1 2 Euge ciue de Prin ode ea o red eia 8 1 8 Optional Configuration 9 1 4 EE 11 1 5 Safety Standards bei lava 13 1 5 1 Certification 04 224 00 13 152 Warning label 13 OPERATION DESCRIPTION enia Sponso caen 14 2 1 Main Control Board 7 16 2 2 Power Supply Unit zer adag beet e tiva a 20 2 3 Electro photographic Process enne nennen 22 2 31 Electro photographic process mechanism 22 2 3 2 Electro photographic 24 2 4 3 Process operation descri
83. OR A PSOUT N OUTLET SENSOR Su STB N LED HEAD DUPMON N MAIN MOTOR in DUPLEX UNIT i CLON P CLUCH in DUPLEX UNIT OE SLON P SOLENOID in DUPLEX UNIT QN EK EK OFF DUPINSNS N INLET SENSOR ON DUPLEX UNIT 2 4 3 Process operation descriptions 1 Hopping Hoppings from the first tray and the front feeder are effected by a single hopping motor in the mechanism shown below Hopping Motor 1st Tray Turning the Hopping motor in direction a CW drives the 1st Hopping Roller Turning the Hopping motor in direction b CCW drives the Front Hopping Roller Gear C and Hopping roller bult in one way bearing so that turning each of these gears in reverse direction will not be transmitted to the corresponding roller amp Gear C CW Hopping Motor One way Clutch build in le Inlet Sensor Front Hopping Roller One way clutch build in 5 Roller Regist Planet Gear Gear B Sub Roller Paper 1st Hopping Roller Gear A One way clutch build in 40931201TH Rev 1 28 a Hopping from the 1st Tray D Hopping Rotating the Hopping Motor in direction a CW drives the 1st Hopping Roller and the Sub Roller then pick up a sheet of paper in the 1st tray The Main Motor is always driven in direction c CCW on printing Af
84. Page buffer Adds print information to the analyzed Expandable receive data and stores the resulted data DLL macro buffer Stores soft fonts and macro data Expandable Font cache buffer Stores bit map fonts generated by the Enable Expandable font rasterizer based on scalable font information 4 EEPROM The EEPROM has a 16 kbit capacity and stores the following data Menu data e Various counter data page counter drum counter fuser counter etc e Adjustment parameters LED head drive time print start position etc 5 LSI LZ9FF22 Built in device Function Serial I O port Control of serial interface between controller and 2nd tray 3rd tray Multi purpose feeder Control of serial interface between controller and Duplex unit Motor driver controller Control of Hopping motor port Inputting of various sensor signals Outputting of various control signals 6 Host interface This printer has the following interfaces to the host e Centronics bidirectional parallel interface RS232C interface e OKI HSP interface Option The single effective interface or the automatic interface select mode can be selected using the menu If the busy state of the printer continues for a long time period the buffer near full control releases the busy status at constant intervals even if the host side is busy so not to cause the interface time out at the host side 40931201TH Rev 1 17 a Centron
85. Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below High Capacity Second ThirdPaper Feeder Roller assy hopping Roller assy feed 3 3 1 Cover front assy 3 3 2 Board BBB 3 3 3 Lever paper end Lever paper near end 3 3 4 Motor 3 3 5 j Connector IMSA 9714N 14B Connector IMSA 9714N 14A 3 3 6 Frange Pulley Pulley Idle Mini Pitch belt Plate Earth shaft Gear double Tray switch assy 3 3 7 Roller feed 3 3 8 Bracket sub roller 3 3 9 L Frame side L 3 3 10 Frame side R 3 3 11 40931201TH Rev 1 206 3 3 1 Roller assy hopping Roller assy feed 1 Remove the Case assy cassette 1 2 Disengage latchs to remove the Roller assy hopping 3 Disengage latchs to remove the Roller assy feed 3 40931201TH Rev 1 207 3 3 2 Cover front assy 1 Unscrew two screws 1 to remove the Cover front assy 5 40931201TH Rev 1 208 3 3 3 Board BBB 1 Unscrew a screw 1 to remove the PCB cover bracket 2 2 Take away all connectors 3 and three screws 4 to remove the Board BBB 5 40931201TH Rev 1 209 3 34 Lever paper end Lever paper near end 1 Unscrew five screws 1 to remove roller cover bracket 2 and PLATE Earth L 3 2 Disengage latches to remove the Lever paper end 4 and Lever paper near end 5
86. Remarks 40658401 COVER Upper DUP Affix 3 6 40339401 ROLLER Pinch 18 36 40382201 SHAFT Pinch 12 24 40393201 SPRING Pinch U 12 24 40393202 SPRING Pinch U 12 24 40393301 SPRING Pinch R 12 40457701 BRACKET Pinch R 12 40457801 SHAFT Pinch R 12 Ww 40443801 LEVER Lock Ass HR oO o0 12 40541501 SPRING Lock frame 6 40541502 SPRING Lock frame 40338701 LEVER Sensor D IN 40393601 SPRING Sensor D IN 4YB4120 1137P001 FX50 Photo Sensor E 40598001 Core Assy DUPLEX 2201000P0140 Connector IMSA 9714N 14A 40375201 Connection Code Wire o o To IN Sensor 40461601 FILM Pinch R E 40297201 FRAME Main DUP 40597501 GEAR Assy 40921801 Motor Pulse 40381801 ROLLER Feed F 40381901 ROLLER Feed R 4PP4043 4489P001 Bearing Feed 4 4076 3949 001 Bush E 40339901 GEAR Z40S6 40340301 PULLEY MXL25 E 40448101 Mini Pitch Belt 40382001 ROLLER Feed RV 4PP4076 5345P001 Bearing L 4PP3527 5355P001 FX30 Bearing 40339801 GEAR Z48S8 o 40338901 LEVER Sensor F R
87. S u3dvd aNd o 431108 kcu E ONIddOH TINA 16 lel u3riou NOLLVHLSIO3H 9H HOLNTO aw NCHA NIV 2 NIHdINd TS 5 5 3B 2 315 GN3SNI 42 zt m ER SINGH 1 9 SH gt 5 E e FE B 4 diBdlAH e di 10738 M gt 9 119 cQVSH n OO0d quvog d 2 110318 di 3334 98908 7 1 839333 INN 0 YOLOW ONIddOH HOSN3S SWOH 1 YOSNAS H3dVd LNO83 153 40931201TH Rev 1 7 2 Layout 1 Main board BOARD FFF Sockets for DRAM SIMM Socket for FLASH SIMM 61090000000000000000 95
88. TH Rev 1 218 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure Problem occurs Problem displayed by Troubleshooting Carry out detailed gt gt the LCD message according to the LCD troubleshooting Status Message List according to the see 4 3 1 Troubleshooting Flow see 4 3 2 4 3 1 LCD Status Message List The listing of the statuses and problems displayed in the form of messages on the LCD is provided in Table 4 1 Table 4 1 Classification Jam error LCD Status Message Description PAPER INPUT JAM CHECK TRAY Paper Feeder PAPER FEED JAM CHECK TRAY Notifies of occurrence of jam while the paper is being fed from the Second third Recovery method Check the paper in the Second third Paper Feeder Carry out the recovery printing by opening the cover removing jammed paper and closing the cover and then turning the error display off When the problem occurs frequently to through the Troubleshooting Paper size error ERROR PAPER SIZE CHECK TRAY third Paper Feeder Notifies of incorrect size pa per feeding from the Second Check the paper in the Second third Paper Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery printing by opening the cover removing paper and closing the cover
89. U VF Receiver DRIVER Main Motor LAN etc mi Operator panel Option Board Option EEPROM LED HEAD 4 AAAA POWER Inlet sensor1 ISUPPLY UNIT paper sensor AC 120V 230V Inlet sensor2 Toner sensor Outlet sensor LSI Ly THERMISTOR OPEN Sub CH SUB CHARGE ROLLER SW LOW VOLTAGE CH GENERATION DRIVER CHARGE ROLLER CIRCUIT ry TR i Y TRANFER ROLLER DRIVER VOLTAGE DB FILTER CIRCUIT CIRCUIT __ DEVELOPPING ROLLER B POWER SB ___ ____ SUPPLY ROLLER SUPPLY UNIT gt high voltage CLEANING ROLLER AC120V 230V Figure 2 1 18 OKIPAGE20Plus block diagram gt 40931201TH Rev 1 15 2 1 X Main Control Board BOARD FFF The control board consists of an one chip LSI program font ROM s DRAM s an EEPROM a host interface circuit and a mechanism driving circuit 1 One chip CPU The one chip CPU is a custom CPU 32 bit internal bus 32 bit external bus 120 MHz clock that incorporates an RISC CPU and its peripheral devices and has the following functions Built in device Function Chip select controller Bus controller DRAM controller Control of peripheral LSI ROM DRAM and I O device DMA controller Transfer of data from Host I F to RAM Serial interface controller Control of RS2
90. Wire 42 and remove Photo Sensor 43 Note It should not become a state such as of dotted line from the results of installation 40931201TH Rev 1 186 3 8 8 SOLENOID Assy 1 Remove the Frame Main DUP See section 3 3 2 2 Release the lock to remove Two LEVER Sensor F R and SPRING Sensor F R 2 3 Unplug the Connection Code Wire 3 and remove Photo Sensor 4 4 Take away the SPRING SL 5 and two screws 6 to remove SOLENOID Assy 7 40931201TH Rev 1 187 3 3 5 Motor 1 Remove the Frame Main DUP See section 3 3 2 2 Unscrew two screws 1 to remove PLATE Earth F R 3 Unscrew three screws 3 to remove PLATE Earth F R 2 4 4 Disengagethe latch to remove the Bearing L 5 GEAR Z40S8 Bearing Mand ROLLER Feed RV 8 At this time Knock Pin 9 be removed simultaneously 5 Unscrew the screw 10 to remove the PLATE Earth BTM 6 Disengage the latch and remove two PULLEY MX25 2 Mini Pitch Belt 43 and two Bushes 4 7 Disengage the latch to remove the Bearing Feed 15 and ROLLER Feed F 46 8 Remove the E Ring 47 and Bush 8 9 Unscrew two screws 49 to remove the GEAR Assy 00 Atthis time the GEAR Z40S6 0 Knock Pin 62 and ROLLER Feed 3 can be removed 10 Unscrew two screws 4 to remove Motor 65 40931201TH Rev 1 188 4 TROUBLESHOOTING 4 1 Precautions Prior to the Troubleshooting 1 Go
91. X or Menu Press the Dkey Meni Key Press the lt Press the Dkey 4 key Press the Enter key Press the Enter key y ON LINE key 0 mm 1 7mm 8mm 1mm Same as 1 Same as 1 No 1 No 2 No 3 Same as 1 No 1 No 2 No 3 Same as 1 FUSR CNT RESET NG ENGINE RESET NG Displayed with 1 mm intervals Writing into the EEPROM is performed when the Enter key is pressed Writing into the EEPROM is performed when the Enter key is pressed Writing into the EEPROM is performed when the Enter key is pressed Writing into the EEPROM is performed when the Enter key is pressed Writing into the EEPROM is performed when the Enter key is pressed Writing into the EEPROM is performed when the Enter key is pressed Upon completion of processing 9 ON LINE Upon completion of processing ON LINE 40931201TH Rev 1 101 EEPROM initialization The corresponding area of the EEPROM is initialized for each event as shown Table 4 1 and Table 4 2 Table 4 1 EEPROM Initial Setting Range Menu Level 1 Menu level 2 Systems Maintenance F W Revision Range Maintenance Destination Information Engine Maintenance Drum Counter Fuser Count
92. abling and disabling the operator panel menu functions Menu 1 Menu 2 Tray Select Copies and Paper Size 7 XADJUST This function is used to adjust the printing start position within the range of 2 mm 0 25 mm steps in the X direction 8 Y ADJUST e This function is capable to adjust the printing start position within the range of 2 mm in 0 25 mm steps in the Y direction 9 Duplex adjust The function which performs a correction in Y direction towards the sheet supplied from the tray in double sided printing 40931201TH Rev 1 92 10 Select paper source command parameter Second tray function which sets the parameter selecting the second tray by paper source command ESC amp H on PCL 11 Select paper source command parameter Third tray function which sets the parameter selecting the third tray by paper source command ESC amp on PCL 12 Select paper source command parameter Front tray function which sets the parameter selecting the front tray by paper source command ESC amp H on PCL 13 Page placement The function which aligns a printing image to the right 14 SETTING This function is used to adjust to improve print quality 2 4 Rough thick paper Low temperature humidity and or blockly faded print appeared 0 media enviroumental conditions 1 E Rough papers high temperature humidity and or snowy pr
93. ace cable connected to the printer prop erly No Connectthe connector of the parallel interface cable to the printer properly 4 Yes Is there any defect in the cable broken or bent pin broken wire Replace the parallel interface cable qe No Replace the Main board or ask the user to check the hardware and software at the host side 40931201TH DRAFT Vesion 139 9 Message cannot be received through the serial interface 5 message ERROR HOST I F displayed Yes Set the RS 232C I F ENABLE in HOST items of Menu 1 e No Set the RS 232C I F to ENABLE Do the following items selected for RS232C SERIAL in menu level 2 coincide with those selected at the host side FLOW CONTROL PARITY BAUD RATE MIN BUSY DATA BITS No Ifthe selection differs between the printer and the host change the setting of the above items in menu level 2 so as to coincide with the setting at the host side Yes 15 the connector of the serial interface cable connected to the printer properly 2 No Connect the connector printer properly e Yes 5 there any defect in the serial interface cable broken or bent pin broken wire 2 Replace the serial interface cable 4 No Perform the loop back test using the loop test function in the system mainte nance mode To make this test it is necessary to form the following loop back connector Connect the loop back conne
94. ad consists of the correction control LSI LED drivers and an LED array The block diagram of the LED correcting head is shown below 1 Both sides wire bonding head STRB4 N STRB3 N DATA 3 DATA 2 LOAD CLOCK STRB2 N STRB1 N DATA 1 V DATAO In OKIPAGE 20 OKIPAGE 20n the correction control of LED head is excuted direction by CPU Correction Control LSI EEPROM LED Driver LED Driver LED Array Leo ce ce Leo LED Driver LED Driver The procedure is as follows i LED head is set to the correction control read mode and all correction data stored in EEPROM within the correction control LSI are read by CPU and stored temporarily in the memory ii Next LED head 15 set to the correction control direct mode and the correction data stored temporarily in the memory is transferred directly to the LED driver 40931201TH Rev 1 Read of correction data i 2 pejqeue lt q m 55000 26661 18101 g 4 peal pee 7900 8 5200 8 5 20 2 8 8 3200 8 Y 4 gt x gi 15
95. ally located Upper position 0 to 30 degree home position Rotating the Hopping Motor in direction b CCW drives the Front Hopping Shaft and then attached the FF Cam and the Front Hopping Roller are driven During the FF Cam rotated approx 60 degree the Release Lever was pushed and the Front Feeder Plate lifts up then the Front Hopping Roller picks up a sheet of paper At the FF Cam rotated approx 180 degree the Front Feeder Plate is pushed down and locked by the Release Lever again At the FF Cam rotated approx 275 degree the paper fed until the Inlet Sensor turns off Aligning After turning on the Inlet Sensor the paper fed by a predetermined length and choked up to the wedge space formed by the Regist Roller and the Pressure Roller so that to align the skew of paper 3 During the paper fed from the Front Feeder Plate the one way clutch of 1st Hopping Roller is idled and not to drive the 1st Hopping Roller and the Sub Roller Feeding After aligned the paper the Hopping Motor turned off and stop hopping Then Clutch Regist turned on and the Regist Roller start to feed the paper After the paper fed the Front Hopping Roller drives the Front Hopping Shaft and attached the FF Cam with small idle torque of build in one way clutch and when comes into the Release Lever the one way clutch is slipped and the FF Cam is stopped at the upper position home position The Front Hopping Roller continuously idled up to the paper away
96. are not correctable from the LCD message trouble list follow the troubleshooting flowcharts given here to deal with them Trouble Flowchart number The printer does not work normally after being turned on Jam error Paper input jam 1st Tray Paper input jam Front feeder Paper feed Paper exit jam Paper size error Fusing unit error ERROR71 ERROR72 ERROR73 SSIO Synchronous Serial l O error between the Main board and the Power Supply Unit High voltage ERROR74 time out between the printer and the operator panel ERROR80 time out no response between the printer and an optional tray 2nd tray 3rd tray multi feeder ERROR81 Messages cannot be received through the parallel interface Messages cannot be received through the serial interface Data cannot be received through the OKI interface time out between the printer and the Duplex unit Printing sequence error in the Duplex ERROR83 ERROR84 Note When replacing the Main board install the EEPROM from the old Main board onto the new Main board 40931201TH DRAFT Vesion 124 D The printer does not work normally after being turned on Is message shown in the LCD display for less than 1 secor d No Is the AC cable connected properly e Connect the cable properly 4 No 1 the message 16 columns display
97. asher 3 4076 5290 001 DC Fan Motor 92 40307201 PLATE FG F 40443301 Feeder Unit FRONT 40547201 LED HEAD 105A1046C1001 ZCAT1325 0530A R CORE 4PP4043 4489P001 Bearing 40931201TH Rev 1 165 Figure 8 3 Base Unit 166 40931201TH Rev 1 2 Parts Table 8 3 Base Unit 1 2 Name Reccomended 50 100 1000 Remarks 40377601 GUIDE Assy Cassette L 0 2 40597101 GUIDE Cassette L For Maintenance 4PP4122 1217P001 Pull Block 40349102 40349701 4PP4076 5358P001 Lever Link Caulking ROLLER Link Link Support 40928101 Spring Sheet 4PP4076 5359P001 Cassette Stopper 4 4043 4526 001 Pressure Coil Spring 40445601 Earth Plate L 40377701 GUIDE Assy Cassette R 40597201 GUIDE Cassette R For Maintenance 40349101 Lever Link Caulking 40368302 Board PXC 2 2201000P0140 Connector IMSA 9714N 14A 4 54011 4448 003 Nylon Connector Cord To 2nd Tray 4PP4076 5360P001 Detector Spring 40389801 PLATE Earth Bottom E 40518501 PLATE Earth Link 2201000P0141 Connector IMSA 9714N 14B 40375001 Connection Code Wire To Duplex 40989101
98. ble side 25 pin plug 17 23250 02 D8C made by DDK Note Plug shall be able to be fixed with a lock screw 2 Cable Cable length 6 ft 1 8m max Cable shall be shielded Note Cable is not provided 3 Interface signal Pin No Signal name Abbreviation Signal direction Functions 1 Frame Ground FG Frame ground 2 Transmitted Data TD lt PR Transmitted data 3 Received Data RD PR Received data 4 Request To Send RTS lt Stay space level 5 Not connected 6 Not connected 7 Signal Ground SG Signal ground 8 17 Not connected 18 5V lt PR 5V 50mA maxx 19 Not connected 20 Data Terminal Ready DTR lt PR Data terminal ready 21 25 Not connected Connector pin arrangement 13 1 OO OX QOO OQ OD Q OO Or QOO ODIO OO 25 14 View from the cable side When the Reade 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 MARK polarity 3V to 15V LOGIC 1 SPACE polarity 3V to 15V LOGIC 0 40931201TH Rev 1 173 5 Interface circuit a Receiving circuit INPUT gt OUTPUT 75189 or equivalent 12 3V 3V INPUT 12V b Sending circuit 75188 or equivalent INPUT OUTPUT OUTPUT 9V nd Note The above signal level is for the case where 3KQ x 15pF is being connected to the terminal 6 Communications protocol a
99. blurred a whole 4 4 4 4 4 4 4 4 oq Is toner low Is the TONER LOW message displayed Yes Supply toner No Is paper of the specified grade used No Use paper of the specified grade Yes _ Is the lens surface of the LED head dirty Yes Clean the lens No Is the LED head installed properly Check connector HEAD1 14P HEAD2 12P of the Main board and PC connector on the LED head for proper connec tion Install the LED head properly Yes 15 the contact plate of the transfer roller contacted with the contact assembly of the Power Supply Unit High Voltage properly See Figure 6 6 No Make the contact plate of the transfer roller contact with the Power Supply Unit High Voltage and Shaft of the transfer roller properly Yes Are the contact of the developing roller and the contact of the toner supply roller of the image drum cartridge contacted with the contact assembly properly See Figure 6 5 Aand No Adjust the contacts of the developing and toner supply roller to contact the contact assembly properly Yes Replace the transfer roller See 3 3 36 Has the trouble been removed YES END No Replace the image drum cartridge Has the trouble been removed 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 Refer
100. ctor to port instead of connecting the host 15 LOOP TEST displayed ERROR No Replace the serial interface cable 4 Y printer recovered YES END Y No Replace the Main board 4 Yes Replace the Main board or ask the user to check the hardware and software at the host side r 27D 3RD 4RTS 5CTS 8 USED 11550 6DSR 20DTR DB25S loop back connector Serial interface cable Connection method Test connector connecting drawing 40931201TH DRAFT Vesion 140 Data cannot be received through the OKI HSP interface 15 the interface board option connected to the OKI interface connector on the Main board properly No Connectthe interface board option to the OKI interface connector properly e Yes Is there any broken or bent pin in the interface board option Yes Ask the user to replace the interface board option No Replace the Main board OK No Atrouble may exist in the interface board option interface cable or host side Ask the user to check these items 1 Synchronous serial I O error ERROR 74 Are POWER connector of the Main board and Connection cord wire Figure 8 2 No 21 properly Are Connection cord wire Figure8 2 No 21 and CN3 connector of the Power Supply Unit AC120V or 230V connected properly No Connect the connectors properly e Yes Is there any flaw
101. d properly No Install the LED head properly Yes Increase the printer setting number 0 1 Refer to User s manual Blockly faded print 4 oq Is toner low Yes Supply toner No Is paper of the specified grade used Use paper of the specified grade Yes 15 the lens of the LED head dirty Clear the lens No Is the LED head installed properly No Install the LED head properly Yes Decrease the printer setting number 0 1 Refer to User s manual 40931201TH DRAFT Vesion 150 WIL 2 AEN 7 527 j L 1 7 7 14 E74 TA Q lt 7 SS a E 49 5 lt S JE 151 Figure 6 6 152 40931201TH DRAFT Vesion WIRING DIAGRAM 7 f Linn 4 Ei RE 28 as 89 93 60 zl eNO ul ov MOEZ 021 OV 39VL10A H9IH AOEZ A0Z LOY LINN 5 LINA 5 H3MOd amp J puc 0 yun xajdnq 01 492 END d9 LIND aaa EH S tE 0 HESS ici S 3 BEB gt i22 3 Joo n 46 492 H4MOd 49475 m 75 ZH E NI HOSNAS H3dvd QNO RE ci HOSN3
102. drum cartridge Cleaning roller 117 29 8 Replace the image drum cartridge Transfer roller 2 28 58 Replace the transfer roller Heat roller 3 46 88 mm Replace the fusing unit assy Back up roller Notes 3 46 88 mm Replace the back up roller 1 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 Refer to User s Manual 2 After replacing the fusing unit assy set the printer in the engine maintenance mode by turning the power on while pressing the FORM FEED and ENTER keys and reset the fuser counter Refer to See 4 1 40931201TH DRAFT Vesion 146 6 Print voids 1 15 the contact plate of the transfer roller contacted with the Power Supply Unit High Voltage properly See Figure 6 5 No Adjust the contact plate contact to contact the Power Supply Unit High Voltage properly and the shaft of the transfer roller Yes Replace the transfer roller See 3 3 36 Has the trouble been removed YES END Are the contacts of the toner supply roller developing roller image drum and charging roller contacted with the contact assy properly See Figure 6 5 No Adjust the contacts to contact the contact assy properly Y ves Replace the image drum cartridge Has the t
103. e As the heat assy becomes high temperature soon after the power is turned off start the work after it cools off sufficiently Carry out a reset of the counter after the replacement See Section 4 2 2 0 9 0 S CR SEP T D a Kea lt 2i Yoh QW f 2 G K ni N S 8 7 40931201TH Rev 1 71 3 3 15 Roller feed C 1 Remove the guide assy eject 3 3 13 But roller transfer feeder unit front plate FG F have not be removed 2 Remove the gear roller C and bush warp a part of the plate FG BK Take off the carrier bearing and remove the roller feed c in the direction of the arrow Note Be careful not to deform a part of the plate FG BK 3 P b 40931201TH Rev 1 72 3 3 16 Roller Assy BK 1 Remove the heat Assy See 3 3 14 2 Remove the lever back up release See 3 3 12 8 3 Unlock the engagement with the plate FG BK and lift out the roller heat assy P d 9 lt S 73 40931201TH Rev 1 3 3 17 Roller Assy Feed 1 Remove the feeder unit front See 3 3 10 2 Remove the roller assy feed by unlocking a latch 40931201TH Rev 1 74 3 3 18 LED Head 1 Remove the stacker assy See 3 3 6 2 Unplug the PC connector and 2 LED cables from the LED head 3
104. e frame main See 3 3 12 7 3 Squeeze the clamp part of two inlet sensor levers Remove the inlet sensor levers by pushing them downward 40931201TH Rev 1 83 3 3 27 Power supply unit 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Unscrew 2 screws 1 and remove the BRACKET AC 4 Unscrew 10 screws 3 and remove the connector 6 remove the Power supply unit AC DC 120 230V and Power supply unit High voltage 40931201TH Rev 1 84 3 3 28 Lever Paper end amp Lever Paper near end 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the frame main See 3 3 12 7 3 Remove screw 1 and then remove the PLATE Base 4 Remove two Spacer Cord KGPS 5RF and then remove FILM Insulation 5 Remove four screws 5 and then remove the FRAME ASS Hopping 6 Remove the GEAR Z58 GEAR Z42 Q At this time the ADF Bearing can also be detached simultaneously 7 Remove the GEAR Z38 ADF Bearing ROLLER Guide and SHAFT Hopping and Bracket Sub roller At this time the Kock Pin can also be detached simultaneously 8 Remove two screws 7 and then remove the SPRING Release and then remove the LEVER Sub roller and PLATE Hopping 9 Removethe GEAR Planet Z28 B Plate Planet 49 BRACKET Spring Sub and SPRING Sub ROLLER 10 P
105. e paper outlet to the stacker detects a stacker full state about 250 sheets and stops printing of the ensuing pages 2 8 Size Detection The four tab pieces are driven according to the setting position of the paper guide through the cam interlocked with the paper guide of the paper cassette When the paper cassette is inserted into the printer the state of the tab pieces is detected by the microswitch to recognize the paper size State of Microswitches SW3 Paper size 1 Letter 0 Executive 4 Legal 14 Legal 13 B5 A5 A6 Not available 40931201TH Rev 1 50 3 PARTS REPLACEMENT The section explains the procedures for replacement of parts assemblies and units in the field Only the removal procedures are explained here Reverse the procedure for the installation 3 1 Precautions for Parts Replacement 1 Disconnect 8 Before starting parts replacement remove the AC cable and interface cable a Remove the AC cable in the following procedure i Turn off o the power switch of the printer ii Disconnect the AC inlet plug of the AC cable from the AC receptacle iii Disconnect the AC cable and interface cable from the printer b Reconnect the printer in the following procedure i Connect the AC cable and interface cable to the printer ii Connect the AC inlet plug to the AC receptacle on I the power
106. egist to drive the regist roller The regist roller would drive a paper until the paper has passed 40931201TH Rev 1 32 3 Charging Charging is effected by applying a DC minus voltage to the charge roller that is in contact with the image drum surface Power supply roller b gt 3 Image drum 4 Exposure Light emitted from the LED head irradiates the image drum surface with negative charges The surface potential of the irradiated part of the image drum drops thereby forming an electrostatic latent image associated with the image signal LED head Charge roller LED head Pd Paper Image drum Image drum 40931201TH Rev 1 33 5 Developing Toner is attracted to the electrostatic latent image on the image drum surface to convertit into a visible toner image Developing takes place at the contact between the image drum and the developing roller D As the toner supply roller rotates while rubbing on the developing roller a friction charge is generated between the developing roller and the toner allowing the toner to be attracted to the developing roller The developing roller surface is charged positive and the toner negative Doctor blade Charge roller Toner supply roller 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 i
107. emove the stacker assy See 3 3 6 2 Remove the feeder unit front See 3 3 10 At this point the manual feed assy has not to be removed 3 Remove the DC fan motor See 3 3 3 4 Remove the contact assy See 3 3 2 5 Remove the plate FG F 6 Remove the TR gear and roller transfer Use Holder TR Eject 46 for the removal 7 Unscrew 7 screws and remove the main frame 8 Unlock latches at two points of the lever back up release and pull out it in right direction 9 Unhook the EP lock spring and remove the EP lock lever 10 Take off the E ring 9 and remove the plate FG 1st 40 and gear assy clutch 11 Unlock 2 latches to remove the motor assy main and idle gear 12 Unscrew 2 screws 4 and remove the motor main 40931201TH Rev 1 68 40931201TH Rev 1 3 3 13 Guide Assy Eject 1 Remove the lever back up release See 3 3 12 8 But the roller transfer feeder unit front plate FG have not be removed 2 Loosen 2 screws 1 unlock the both side s latches and remove the cover rear See 3 3 6 5 3 Unlock the latches on both sides of the guide assy eject and lifting it out 40931201TH Rev 1 70 3 3 14 Heat Assy 1 Remove the cover assy side L See 3 3 2 1 2 Unplug the connectors 1 0 3 Unscrew 4 screws 3 and remove the heat assy in the direction of the arrow by lifting the right side first Not
108. en the Duplex In sensor and the Board LEX connected properly Yes Does the connection cord have a break Yes Replace the connection cord Connection Code Wire Replace the Duplex In sensor FX50 Photo Sensor YES END Replace the Board LEX Y No Connect the connection cord properly Y No Replace the Duplex In sensor lever LEVER Sensor D IN and SPRING Sensor D IN Y YES Remove the paper Duplex FEED JAM2 4 Has paper reached the Duplex Rear sensor No Isthe connection cord between the clutch and the Board LEX connected properly Yes Replace the GEAR Assy YES END No Replace the Board LEX No Connect the connection cord properly Y ves Isthe Duplex Rear sensor operating normally e Yes Replace the Board LEX Y No Replace the Duplex Rear sensor lever LEVER Sensor F R and SPRING Sensor F R 40931201TH Rev 1 192 Duplex FEED JAM 3 Has paper reached the Duplex Front sensor No _ Is the connection cord between the clutch and the Board LEX properly Yes Replace the GEAR Assy YES END No Replace the Board LEX Y No Connectthe connection cord properly Y ves Isthe Duplex Front sensor lever operating normally Yes Is the connection cord between the Duplex Front sensor and the Board LEX connected properly Yes Doesthe connection cord have a break Yes Replace the Duplex Front sensor FX50 Photo Se
109. eplace the LED head Yes Replace the connector Has the trouble been removed YES END Note X After replacing the LED head set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED 22 keys Set the LED head drive time Refer to Section No Replace the Main board or Power Supply Unit High Voltage 40931201TH DRAFT Vesion 144 D Black belts or stripes in the vertical direction Replace the image drum cartridge Has the trouble been removed YES END Note X 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 Refer to User s Manual Y No Replace the LED head Y Has the trouble been removed YES END Note X After replacing the LED head set the printer in the engine mainte nance mode by burning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time Refer to Section 4 2 Y No Replace the Main board or Power Supply Unit High Voltage 40931201TH DRAFT Vesion 145 5 Cyclic error Frequency Remedy Image drum 3 71 94 2 mm Replace or clean the image drum cartridge Developing roller 2 05 52 1 Replace the image drum cartridge Toner supply roller 3 24 82 24 mm Replace the image drum cartridge Charging roller 1 37 34 7 mm Replace the image
110. eplacing the Main board install the EEPROM mounted on the replaced Main board An error was detected by EEPROM check Replace the EEPROM Location 1 19 Replace the Main board BOARD FFF An error was detected by optional software ROM Replace the PostScript module BOARD MSM or BOARD FSL An error was detected by optional RAM check Check the optional RAM for proper connection Replace the optional RAM A fault occurred in the fan motor Connect the fan motor cable properly Replace the fan motor Power Supply Unit AC120V 230V uoIseA 1 110216607 Category Controller LCD message ATTENTION LED Trouble or status Error A fault occurred in the fuser Thermistor open error Thermistor short error See chapter 6 5 2 SSIO error See chapter 6 5 2 Toner sensor error Check the operation of the toner sensor lever Relace the Power Supply Unit High Voltage Replace the main board Note When replacing the main board install the EEPROM mounted on the replaced main board timeout occurred between the printer main unit and the operator panel timeout occurred between the printer main unit and the optional tray 2nd tray 3rd multi feeder See chapter 6 5 2 See chapter 6 5 2 timeout occurred between the printer and the Duplex Unit See chapter 6 5 2
111. er Total Print Users Maintenance Menu Reset Systeems Maintenance EEPROM Reset O IO Engine Maintenance Engine Reset Firm Revision Check Error Power On Engine ID Check Error at Power On Setting for Shipping Destination Users Information Error Note 1 The items for each maintenance menu of the events are to be listed Table 4 2 Items Related to Each Maintenance Menu of EEPROM Reset Systems Maintenance Menu Range Engine Maintenance Menu Range Users Maintenance Menu Range Resource Save Enable Disable of Total Number of Menu Print Correction head type excluding the time upon engine maintenance engine reset Receive Buffer Enable Disable of Switching SIDM Emulation LED head drive time excluding the time upon engine maintenance engine reset Enable Disable of Operator Panel Menu Function 600 x 1200dpi strobe time relative value excluding the time upon engine maintenance engine reset X Y DUP ADJUST Print start position Paper Feed Command of 2nd 3rd Front Trays Paper feed distance from each tray Print Shift to Left Based Paper feed distance from the Duplex Unit Cleaning Cycle Control parameter of each option tray motor Engine test 40931201TH Rev 1 102 4 2 Adjustment When Replacing A Part Adjustment necessary when replacing one of the followimg parts Part Replaced Adj
112. er 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 40931201TH Rev 1 203 Service Tools Table 3 1 shows the tools required for the replacement of printed circuit boards and units in the field Table 3 1 Service Tools Service Tools Place of use Remarks No 1 100 Philips screwdriver 2 2 5 mm screws No 2 100 Philips screwdriver 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner Connector remover OKI P N 4PP4076 5395P1 40931201TH Rev 1 204 3 2 Parts Layout This section describes the layout of the main components Board BBB o wer ec 17 Z gt Frame side L 28 40931201TH Rev 1 205 3 3
113. fed again into the unit given another sided printing and ejected Separator TE gt IN SNS X DUP Roller 3 Front Roller 2 Rear _ Roller 1 Sensor Sensor n retracting paper gt In sending out paper 40931201TH Rev 1 176 2 2 JAM Release Mechanism The LEVER Lock can be pulled outwards and the sheet route section of the Duplex opens by pulling out the cassette This enables a jam to be released Structurally the LEVER Release can be pushed up by back edge of cassette and the sheet route automatically close when the cassette is returned LEVER Release Dup LEVER Lock 40931201TH Rev 1 177 2 3 Removing Installing Duplex Unit Removing Duplex Unit 1 Power Off and remove the Paper Cassette from 1st tray 2 Remove the LEVER Release Dup from the boss of the Hopping Frame IB Boss LEVER Release Dup Release Release LEVER Release Dup 3 Rotate the LEVER Lock Dup in the direction of the arrow to release the Lock Connector LEVER Lock Dup LEVER Lock ow ul 4 Pull the Duplex Unit out of the unit Printer Groove Duplex Unit LEVER Release Dup 40931201TH Rev 1 178 Installing Duplex Unit 1 Hold the LEVER Lock Dup in horizontal lock position Then insert the Duplex Unit along the groove up to accord both rear faces between printer and Duplex Unit
114. fied 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 40931201TH Rev 1 180 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 Place of use 2 2 5 mm screws Remarks No 2 100 Philips screwdriver 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner Connector remover OKI P N 4PP4076 5395P1 40931201TH Rev 1 181 Parts Layout 3 2 This section describes the layout of the main components Solenoid Assy O e uj 2s ga y i v NY eM Connector N we IMSA 9714N 14A Photo sensor 182 40931201TH Rev 1 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassem
115. h image drum LED lens array and LED head connector block 5 21 Cleaning of LED lens array Clean the LED lens array or replace the toner cartridge when white lines or stripes void light printing are generated vertically down the page Note The LED lens array must be cleaned with an LED head cleaner White lines or stripes void light printing 40931201TH Rev 1 109 5 2 2 Cleaning the Plastic Film 1 Open the stacker assy and remove 1 0 unit 2 After cleaning LED head wipe off the paper powder by LED LENS CLEANER and remove the paper powder Plastic Film 3 Take the remove paper powder out of the printer unitin such a way as notto spill it and then waste it 40931201TH Rev 1 110 6 TROUBLESHOOTING PROCEDURES 6 1 Troubleshooting Tips 1 Check the basic check points covered in the user s manual 2 Gather as much information on the problem from the customer as possible 3 Perform inspections in conditions close to those in which the problem had occurred 6 2 Points to Check before Correcting Image Problems 1 Is the printer being run in proper ambient conditions 2 Have the supplies toner and the routine replacement part image drum cartridge been replaced properly 3 Is the paper normal See paper specifications section 4 Has the image drum cartridge been loaded properly 6 3 Tips for Correcting Image Problems 1 Do not touch or bring foreign mat
116. hat the capacity of memory is Overflowed due to the following reasons The operation is continued by pressing Recover switch Additional RAM should be installed or the amount of data be reduced Too large printing data within one page Too large macro data Too large DLL data Overflow after the compression of frame buffer Press the RECOVER key on the operator panel to release the error display Install an expansion optional RAM or reduce the amount of print data HLLOZLEGOY Category Daily status LCD status message ATTENTION ERROR RECEIVE BUFFER OVERFLOW Trouble or status Informs that the data within the receiving buffer Overflows The operation is continued by pressing Recover switch The host side should be changed in settings to be able to recognize a printer Busy status and the data be re transmitted Press the RECOVER key on the operator panel to release the error display Change the setting of the host side so that the host can detect the busy state of the printer Resend the data from the host side to the printer ERROR PRINT OVERRUN Informs that the printer occurs an Overrun The operation is continued by pressing Recover switch The page formatting should be slightly simplified It can be canceled in PS mode when the completion of a job Press the RECOVER key on the operator panel to release the error display Simplify page data formatting
117. he 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 Place of use 2 2 5 mm screws Remarks No 2 100 Philips screwdriver 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner Connector remover OKI P N 4PP4076 5395P1 40931201TH Rev 1 229 3 2 Parts Layout This section describes the layout of the main components Hopping cover Control board AOLE PCB Sensor lever Separator Roller B 40931201TH Rev 1 230 3 3 Parts Replacement Methods This section describes the parts replacement methods for the components listed in the disassembly order diagram below Multi Feeder Separator 3 3 1 t AOLE PCB 3 3 2 m Square shaped connector 3 3 3 1 Hopping motor 3 3 4 m Planet gear 3 3 5 m Poller 3 3 6 1 Poller A 3 3 7 Mini pitch belt Feed roller 3 3 8 40931201TH Rev 1 231 3 3 1 Separator 1 Turn the printer power off and remove the Multi Feeder 2 Disengage the link and hopper cover 3 Remove two screws 1 disengage two locks of the upper cover 2 using a flat head screwdriver and remove the upper cover 2 4 Remove two pan head screws 3 and remove the cover frame 4 5 Disengage the plate and the
118. hotosensors 1 Low voltage power supply circuit This circuit generates the following voltages Output voltage Logic circuit supply voltage Motor and fan drive voltage and source voltage for high voltage supply Reset circuit RS232C Line voltage RS232C Line voltage LED HEAD supply voltage 2 High voltage power supply circuit This circuit generates the following voltages necessary for electro photographic processing from 30 V according to the control sequence from the control board When cover open state is detected 30 V supply is automatically interrupted to stop the supply of all the high voltage outputs Output Voltage Use Remarks Sub CH 15 pA tage applied to Sub charging roller CH 1 30 KV tage applied to charging roller DB 220 V 300 V tage applied to developing roller SB 450 V tage applied to toner supply roller TR 4 KV 1 3 kV tage applied to transfer roller Variable Only CB 450 V 1350V tage applied to clearimng roller 3 Photosensor The photosensor mounted on this power supply unit supervises the paper running state during printing 40931201TH Rev 1 20 Figure 2 3 shows the sensor layout diagram Sensor Inlet sensor 1 Paper running direction 4 Roller exit Roller feeder c
119. ics bidirectional parallel interface This is an interface conforming to IEEE 1284 and provides either of unidirectional and bidirectional communications according to each of the following communication modes Compatibility mode Unidirectional communications from the host to the printer Nibble mode This mode transmits 4 bit wide data from the printer to the host In this mode each 1 byte data is transferred in the form of two nibbles using ERROR BUSY FAULT and SELECT signal leads This mode can provide the bidirectional operation in combination with the compatibility mode ECP mode This mode provides the asynchronous bidirectional interface and transmits and receives 1 byte data using eight data signal leads under the semi duplex control by the host When the power is turned on the compatibility mode is automatically selected The change to another mode from the compatibility mode is made through negotiation When the BI DIRECTION is setto ENABLE in the menu this change can be performed For the electrical physical characteristics of this interface see APPENDIX B b RS232C serial interface The following protocol is supported for the serial interface conforming to EIA RS232C READY BUSY HI or LO X ON X OFF RBST X ON For the electrical physical characteristics of the interface see APPENDIX B c OKI interface Option This interface slot is an OKI unique universal interface
120. impinge the papers which are carried to the defined amount to the regist roller within the printer During the hopping roller is rotating Roller C is racing because it includes one way bearing At the same time planetary gear D shifts in the direction of arrow and the sub roller gear and another sub roller on the same shaft won t rotate 3 Inthe third paper feeder when the length of paper is legal 13 inch or more and if the rotating direction is arrow papers will be carried to the defined amount without being impinged to the regist roller and then the rotating direction of the hopping roller will be changed to arrow B When the rotating direction of the hopping roller arrow direction the motion is same as 1 When B arrow direction the motion will be same as 2 until Roller K begin to rotate The planetary gear M will shift in the direction of arrow L by way of the gear O which begin to rotate at the same time when the roller does And gear rotates resulting in rotating the gear J and roller on the same shaft and impingeing papers to the regist roller within the printer At this time as the gear O and gear P engaged by the planetary gear G on the same shaft on which the gear J and roller K are placed includes an one way clutch gear the planetary gear G won t rotate Impinged papers are afterwards fed by the control of printer s inside 40931201TH Rev 1 200 Paper Gear O Engaging to gear P or pla
121. int of high density pattern 15 Cleanig cycle Setthe page interval to perform Cleaning Sequence When stains build up especially in using rough papers Change the cleaning cycle The shorter the cycle is set the less the stains become Normal Each 20th page default Middle Each 10th page High Each 3th page 40931201TH Rev 1 93 User maintenance mode menu system Menu key Power ON LCD display USER MNT Press the Menu key Press the After the end MENU Enter key MENU of processing QN LINE RESET RESET NG Press the Menu key the HEX DUMP Enter key QN LINE End of processing is performed by the power supply OFF Press the Menu key Press the After the end Enter key of processin DRUM CNT c DRUM CNT Esha ON LINE RESET RESET NG Press the Menu key Press the RSRC SAV or gt AUTO E gh OFF Press the 400KB Menu key 900 1 6 2 5 3 6MB 4 9MB 6 4MB 8 1MB 10 0MB 12 1MB 14 4MB 16 9MB 19 6MB 22 5MB Press the REC BUFF lt or Pkey AUTO 4 8KB Press the 20KB Menu key 50 100 1 Press the OP MENU lt Pkey DISABLE Writing into the EEPROM is performed ENABLE when the Enter key is pressed Press the Press the M X ADJUST lt or Pkey 0mm Writing into the EEPROM is performed C
122. intreten 200 2 2 ccrto le ette eios rece 202 3 PARIS REPLACEMENT iter RE Ret ne dion Me Ev neu de 203 3 1 Precautions Concerning Parts 203 3 2 Parts Layout ecce repeti eese tette pe init eaters 205 3 3 Parts Replacement 0 2 206 3 3 1 Roller assy hopping Roller assy 207 33 2 Cover front assy 208 3 3 3 Board BBB ic rere t a d EE eds 209 3 3 4 Lever paper end Lever paper near 210 3 315 MO EE Em 211 3 3 6 Connector IMSA 9714N 14B Connector IMSA 9714N 14A 212 3 3 7 Frange pulley pulley Idle Mini pitch belt Plate Earth shaft Gear double Tray switch assy 213 3 9 8 uere tede tete tiit eade idit eer etit 214 3 8 9 Bracket sub roller 215 3 3 10 Frame side ASSY 8 216 3 3 11 Frame side assy 217 40931201TH Rev 1 5 4 5 ene 218 4 1 Precautions Prior to the 218 4 2 Preparations for the Troubleshooting 218 4 3 Troubleshooting
123. it used 4 Yes Is the connection between the Main board and the Duplex Unit connected properly See Chapter 7 1 No Connect the cable properly Yes Replace the Main board Y printer recovered No Isolate the trouble by following the Duplex Unit maintenance manual See appendix C YES END No Replace the Main board 7 I F time out occurs between the printer and the operator panel ERROR 80 Is the connecting cord of the operator panel connected to the PANEL connector of the Main board properly See Chapter 7 1 4 No Connect the connecting cord of the operating panel to the PANEL connector of the Main board properly 4 Yes Is the connecting cord defective 4 Yes Replace the connecting cord 4 Replace the operator panel assembly Is the printer recovered 4 No Replace the Main board YES END 40931201TH DRAFT Vesion 138 Message cannot be received through the parallel interface Is the parallel ENABLE in HOST I F item of Menu 1 Set the Parallel I F to ENABLE e Yes 15 the host set to the bidirectional communication Yes Set the parallel I F to the bidirectional communication enable state DISABLE ENABLE in menu level 2 No Setthe parallel to the bidirectional communication disable state ENABLE DISABLE in menu level 2 Is the printer recovered YES END 4 No Isthe connector of the parallel interf
124. n Operation during toner full state Stirring Bar The stirring bar rotates due to the interlocking with the stirring gear Even when the magnet on the stirring bar reaches the maximum height since the other side is being dipped in the toner the stirring bar is pushed by the stirring gear Sensor Lever Toner Sensor Operation during toner low state Stirring Bar When the stirring bar reaches the maximum height since there is no resistance provided by the toner on the other side it falls to the minimum height due to its own weight Be cause of this the time interval during which it is in encounter with the magnet of the sensor lever becomes long By monitoring this time interval toner low can be detected Sensor Lever 40931201TH Rev 1 48 TONER FULL state TNRSNS lt 2 727 4 tl 2 727 SEC TONER LOW state TNRSNS 1 ti t gt 2 727 4 2 727 SEC When the toner low state is detected 2 times consecutively Toner Low is established When the toner full state is detected 2 times consecutively Toner Low is cancelled When there is no change with the toner sensor for 2 cycles 2 727 sec x 2 or more then the Toner Sensor Alarm is activated toner sensor is not monitored while the drum motor is in halt 40931201TH Rev 1 49 27 Stacker full Detection The sensor interlocked with the lever at th
125. netary gear G Gear J for timing belt Roller K on Roller C ESR Hopping roller gear A pping 0 Planetary gear D Sub roller Sub roller gear Planetary 2nd paper feeder Gear N for timing belt GearJ Roller Roller Planetary gear D Wn Sub roller Planetary gear M Sub roller gear Planetary 3rd paper feeder gear G Idle gear XX Hopping motor Sj 9 40931201TH Rev 1 201 2 2 Hopper Mechanism The hopper is a motion where papers are automatically sent into the printer one by one When papers are set to the cassette the feeding motion is activated by the hopping motor to send only a top paper which is caught on the brake shoe Printer Roller feeder Hopping Roller Sub Roller lt Second Paper Feeder gt Hopping Roller Sub Roller lt Third Paper Feeder gt 40931201TH Rev 1 202 3 PARTS REPLACEMENT In this section the removing and installing procedure of assembly and unit in field are described Although this section describes the removing procedure the installing procedure is basically to conduct the removing one in reverse 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 High Capacity Second Third Paper Feeder from the printer 2 Do not disassemble the Second Third Pap
126. ng to the LCD troubleshooting Status Message List according to the see 4 3 1 Troubleshooting Flow see 4 3 2 the LCD message 40931201TH Rev 1 240 4 3 1 LCD Status Message List The listing of the statuses and problems displayed in the form of messages on the LCD is provided in Table 4 1 Classification Jam error LCD Status Message PAPER INPUT JAM CHECK FEEDER PAPER FEED JAM CHECK FEEDER Table 4 1 Description Notifies of occurrence of jam while the paper is being fed from the Multi Feeder Recovery method Check the paper in the Multi Feeder Carry out the recovery printing by opening the cover removing jammed paper and closing the cover and then turning the error display off When the problem occurs frequently to through the Troubleshooting Paper size error ERROR PAPER SIZE CHECK FEEDER Notifies of incorrect size pa per feeding from the Multi Feeder Check the paper in the Multi Feeder Also check to see if there was a feed ing of multiple sheets Carry out the recovery printing by opening the cover removing paper and closing the cover and then turn ing the error display off Tray paper out PAPER OUT mmmmmmmm FEEDER mmmmmmmm Paper size in the tray being selected Notifies of no paper state of the Multi Feeder Load the paper in the Multi Feeder Interface Timeout
127. nnector See section 3 3 6 3 Remove the motor bracket See section 3 3 7 4 Disengage latchs to remove the Feeding bearing 5 Disengage latchs to remove the Pulley feed 2 At this time the Gear feed 3 and Bush 4 be removed simultaneously 6 Remove the Roller feed 5 40931201TH Rev 1 214 3 3 9 Bracket sub roller 1 Remove the Roller assy hopping and Roller assy feed See section 3 3 1 2 Remove the Roller feed See section 3 3 8 3 Unscrew screw 1 to remove the Bracket joint 2 Spring joint and Gear joint 4 Take away the E ring to remove the Gear hopping 5 Disengage latchs to remove the Gear hopping 2nd At this time the Bracket planet assy 8 can be removed simultaneously 6 Take away two E ring 9 and pull out the Knock pin 40 to remove the Gear 738 4 7 Remove two ADF bearing 42 Spring release Bearing F 44 and Space hopping shaft 45 and remove the Shaft hopping 6 Guide roller 47 Lever release assy 48 and Bracket sub roller 9 8 Take away the Gear planet 228 to remove the Planet plate 63 9 Take away the Bracket spring sub to remove the Spring sub 3 40931201TH Rev 1 215 3 3 10 Frame side L assy 1 Remove the Frame side L assy See section 3 3 5 2 Remove the Plate Earth BL 1 3 Take away the Spring to remove the Cassette stopper 3 4 Take away the Spring sheet to remove the Pull block 5
128. nsor YES END No Replace the Board LEX Y No Connectthe connection cord properly Y No Replace the Duplex Front sensor lever LEVER Sensor F R and SPRING Sensor F R 40931201TH Rev 1 193 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram I tc d 28 20 t c 1 2 2 5 45 2 36 Nj TINO CL 2P MOTOR 4P a n zi SNSH3dvd x LE uds a SNSNI a 6 Viva T x 8 315 lt m I SNSINO 9 m 5 INO S 5 2 T 186 4216 SN3SNI dv SN3SJ T NO Q 5 ag zz z 2 2 gt 85 52 2 a 9 tc 2 2 o z 2 42 o 5 LL 40931201TH Rev 1 194 5 2 PCB Layout LEX PCB SN3Sd 6 5 oooo 216 SN3SNI N Rear Sensor Motor driver HOLN19 40931201TH Rev 1 195 PARTS LIST 6 196 40931201TH Rev 1 2 Parts Table 6 1 Duplex Unit 1 2 Name Q ty U Reccomended Q ty 50 100 1000
129. ode adopts the menu for function selection The system maintenance mode is provided with the following functions Page count display total number of pages counted at the engine is displayed on the LCD Page count printing enable disable Thisfunction selects whether to include enable or exclude disable the total number of printed pages counted at the engine at the time of menu printing Rolling ASCII continuous printing rolling ASCII pattern is printed continuously for various engine tests Press the ON LINE key to cancel this mode RS232C LOOP TEST e Performs a loop test of RS 232C EEPROM reset EEPROM areas including Menu level 2 to the factory default values The following items are excluded Head drive time setting Fine adjustment of printing start position Standard tray paper feed amount setting Transition to the operation mode occurs upon completion of resetting Press the Menu key to update each category The operation returns to the first category after updating the last category HSP ERROR recovery Select ERROR recovery function either recover or stop HSP ERROR count Display total HSP ERROR count HSP ERROR count reset e Reset the ERROR counter SIDM enable disable If it s selected disable cannot select SIDM emulations by Menu 40931201TH Rev 1 96 System maintenance mode menu system RECOVER key Power ON
130. only on the top row shown the LCD display Yes Replace the Main board 4 No Are the following voltages applied to the corresponding pins of the POWER connector on the Main board For the measuring points see Figure 6 1 Pin 23 8 Pin 24 8V Pins 19 20 30V Pins 9 12 17 18 0V Pins 13 14 5V No Remove the AC cable Set the POW switch to the ON position Measure the resistance between L and N pins of the AC inlet using a multimeter Is there continuity between L and N pins normal resis tance 554 For measuring points see Figure 6 2 Replace the fuse F2 or the Power Supply Unit AC120V 230V Yes Are POWER connector of the Main board and Connection cord Wire 26 pin connected properly Are connection cord wire and CN3 connector of the Power Supply Unit AC120V or 230V connected properly Connect the connectors properly 4 the following voltages applied to CN3 connector of the Power Supply Unit AC120V or 230V For measuring points see Figure 6 3 Pins 19 20 30V Pins 9 12 17 18 Pin 23 8 Pins 13 14 Pin 24 8V Replace the Power Supply Unit AC120V 230V Yes Replace the Connection cord wire 26 pin 4 Is the printer recovered Replace the Main board YES END 40931201TH DRAFT Vesion 125 From D 2 on the preceding page Y Is the printer recovered
131. opy were fed simultaneously Open the cover then close it to perform recovery printing and the error display is released If this error occurs frequently see chapter 6 5 2 HLLOZLEGOY 16 1 Category Daily status LCD status message ATTENTION e DUPLEX INPUT JAM REMOVE THE PAPER Trouble or status Informs that in feeding papers from tray n to the Duplex unit a jam occurs in the separator or Duplex unit by monitoring OUTSNS ON DUP INSNS ON Tray Tray1 Tray2 Tray3 Front Multi Feeder Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION O DUPLEX FEED 1 REMOVE THE PAPER Informs that in feeding papers form n tray to the Duplex unit a jam occurs in the separator or Duplex unit by monitoring DUP INSNS ON DUP INSNS OFF Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released ATTENTION DUPLEX FEED JAM2 REMOVE THE PAPER Informs that in feeding papers from n tray to the Duplex unit a jam occurs when a paper is reversed to the reverse roller of the Duplex unit by monitoring MOTOR Duplex ON DUP R SNS ON Remove all of the paper in the printer Open the cover then close it to perform recovery printing and the error display is released FEED JAM3 THE P
132. perly eNO Connect the connector cable properly Check the coil resistance approx 32Q of the stepping motor Is it normal Replace the stepping motor Replace the AOLE PCB 40931201TH Rev 1 242 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram Pulse motor 5 2 M T3 1 4 AOLE 5 OPTPSIN N 7 OPTSCLK N 6 OPTSD P OPTSDR N 4 30V To the Printer 5 2 PCB Layout AOLE PCB 40931201TH Rev 1 243 PARTS LIST 6 Cd 74 2 y 7 BN yee S 244 40931201TH Rev 1 2 Parts Table 6 1 Multi Feeder Q ty U Reccomended Q ty 50 100 1000 Remarks 4PP4083 5544G001 Separator 1 6 3PB4083 5514P001 Roller A 1 4PP4083 5520P001 Planet gear 4PB4083 6075P001 Hopping motor 3PB4083 5524P001 Roller C 4PB4043 4614P001 One way pulley 4LP 1313 338 Mini pitch belt 4PB4043 4743P001 Roller B a AJOJN 4YA4046 1647G011 AOLE PCB 2201000P0141 Connector IMSA 9714N 14B 4YS4011 4448P004 Nylon connector cord DIDI Oo 4PP4083 2394P001 Stirrer roller gear LWT wo 0 A
133. ponent Names Link Hopper cover Upper cover Roller Paper supporter Paper guide L A lt lt Square shaped connector Cover frame 40931201TH Rev 1 226 2 1 2 2 MECHANISM DESCRIPTION General Mechanism The sheet or envelope at the very bottom of the stack is fed into the printer one at a time when the Multi Feeder receives the signal from the printer 1 First the hopping motor rotates in the direction of arrow D The planet gear moves to the direction of arrow G and drives rollers A and B The roller C is linked to pulley which is on the same shaft as roller A and it also turns at the same time as roller A The paper is fed for a predesignated distance until the leading edge reaches roller C 2 Next the hopping motor rotates in the direction of arrow E The planet gear F moves to the direction of arrow H and drives idle gear J The rotation of idle gear J is transmitted to the gears linked to it and drives pulley on the same shaft as roller A turning roller C to feed the paper into the printer until it reaches the registration roller of the printer During this process a one way bearing is engaged at pulley so that the rotation of pulley is not transmitted to roller A preventing any feeding of papers by roller A Planet gear F Hopping motor Idle gear J Paper Roller A Pulley Belt Roller C Hopper Mechanism
134. ptions 2 28 2 34 Revision of LED Head lllumination 38 2 4 Paper Jam 46 2 5 COVER ODEN iiis cete fet titan ted 47 2 6 Tomer Low Detection 48 2 7 Stacker full 50 2 8 Size Detection dace dee ag cede 50 PARTS HEPLAGEMENT erint Sun aua nnana 51 3 1 Precautions for Parts Replacement 51 3 2 Pans Layou siio ctetu 53 3 9 gt 0 i sente 56 3 3 1 Face up Stacker ASSY 00 22200100 0 0 entente 57 3 3 2 Contact ASSV ic ate tee cte oit ait cete Poe dun 58 3 3 3 WDC FaN MOto iie tb ed 59 3 9 4 OP PaneLASSy cus acre attt tectus t ate om diete eere d 60 3325 BOard FRE 61 3 3 6 Stacker Assy Damper Arm Cover 62 3 37 Sensor Stacker 63 3 3 8 cover guide film esses 64 3 9 9 i siete o RERO tare 65 3 9 10 Feeder Unit E
135. r roller 0 44 in Figure 8 2 turned on 2 No Is a cable from the clutch connected to CLR connector on the main board Yes Replace the Clutch Y Is the printer recovered Y No Replace the Main board Y vES END Go to on the next page Go to on the next page 40931201TH DRAFT Vesion 131 From on the preceding page A Y No T No 7 y y Go to From on the preceding Yes 15 the image drum set properly No Set the image drum properly Yes Incase of paper feed from the front feeder check the hopping roller of the front feeder assembly In case of paper feed from the tray check the hopping roller assembly and the tray Has the paper reached the outlet sensor lever Yes Does the outlet sensor lever operate smoothly No Replace the outlet sensor lever Y ves Clean the outlet sensor on the Power Supply Unit AC120V or 230V See Figure 2 3 Sensor Layout Diagram 15 the printer recovered 7 No Replace the Power Supply Unit AC120V or 230V YES END Is the drum motor rotating No Isthere any defective gear in the motor bracket assembly Yes Replace the defective gear No Arethe connections for Motor connector on the Main board between drum motor properly See Chapter 7 1 No Connectthese connectors properly No Isthe coil resistance normal resistance between pins 1 and 2 between pins and 4 3 1
136. ress the clamp part of Lever Paper end and Lever Paper near end Remove the Lever Paper end and Lever Paper near end by pushing it upward from the FRAME Hopping e 11 Remove the Connection Cord Wire and TR 23 11 14 CORE together 12 Remove two Photo Sensor 40931201TH Rev 1 85 40931201TH Rev 1 3 3 29 Guide Assy Cassette L 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove Frame Main See 3 3 12 7 3 Remove PLATE Base and FRAME Assy Hopping See 3 3 28 5 4 Unscrew two screw 1 and then remove Guid Assy Cassette L 5 Remove SPRING Sheet and then remove LINK Sheet and pull block Pay attention the direction of hook of SPRING Sheet 6 Remove spring and then remove cassette stopper 7 Remove screw 8 from LINK Sheet and then remove link support and Roller link 8 Remove Earth Plate L and Plate Earth link 40931201TH Rev 1 87 3 3 30 Guide Assy Cassette R 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove Frame Main See 3 3 12 7 3 Remove PLATE Base and FRAME Assy Hopping See 3 3 28 5 4 Unscrew two screw 1 and then remove Guid Assy Cassette 5 Remove SPRING Sheet and then remove LINK Sheet and pull block Pay attention the direction of hook of SPRING Sheet 6 Remove spring and then remove cassette stopper 7
137. ront eet eR eee 66 3 9 11 Boller Assy Begist ionis eae eode e doe aha 67 3 3 12 Motor ede Hee eR eret pte PEE ot epe nb eek eet 68 3 31 3 Guide ASSy EJect eet eoe ette efti 70 3 9514 Heat ASSy Lot EUER ER ERE M DA A ATE ERR Meath 71 3 915 Bollerteed O e e e en rct Fus 72 3 3 16 gt Roller Assy BK oerni ra tH en en ades 73 2317 Roller Assy E660 eet et torte tta 74 3 9 19 ere ei m n nece tede 75 3 3 19 Paper cassette ROLLER Ass Feed ROLLER Assy Hoppibg 76 3 3 20 Frame Assy Separation nnne nnne nene 77 3 3 21 Transfer Roller TR Gear TR 78 33 22 Salts sin eer HF ett te be x rure otii es 79 3 3 23 LEVER Assy Out 2 2 42424 1 0 80 3 3 24 Toner sensor AEEA AREE 81 3 9 25 Paper sensor lover it 82 3 3 26 Inlet sensor lever 2 11 EA nennen nenne 83 3 9 27 Power supply uhlt eet Cited 84 40931201TH Rev 1 3 3 3 28 Lever Paper end amp Lever Paper near end 85 3 3 29 Guide Assy Cassette
138. rouble been removed 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 Refer to User s Manual Is the LED head installed properly Check connector HEAD1 14p HEAD2 12p on the Main board and PC Connector on the LED head No Install the LED head properly Y ves Replace the LED head or the head cable Y Has the trouble been removed Y YES END Note After replacing the LED head set the printer in the engine mainte nance mode by turning the power on while pressing the FORM FEED and ENTER keys Set the LED head drive time Refer to Section 4 2 Y No Replace the Main board or Power Supply Unit High Voltage 40931201TH DRAFT Vesion 147 7 Poor fusing 4 4 4 4 od Is paper of the specified grade used Use paper of the specified grade Yes Is the spring of the back up roller normal No Replace the spring Yes 15 the contact of the fusing unit assy contacted with the contact assy properly No Adjust the contact of the fusing unit assy to contact the contact assembly properly Yes Replace the fusing unit assy Has the trouble been removed YES END No Replace the Main board or Power Supply Unit High Voltage 40931201TH DRAFT Vesion 148 White belts or streaks in the vertical direction 4 4 4 4 4 oq
139. s attracted to the exposed part low potential part of the image drum at the contact between the image drum and the developing roller making the electrostatic latent image visible 40931201TH Rev 1 34 6 Transfer The transfer roller is composed of conductive sponge material and is designed to make the image drum surface and the paper closely into contact Paper is placed over the image drum surface and a positive charge opposite in polarity to the toner is applied to the paper from its reverse side The application of a high positive voltage from the power supply to the transfer roller causes the positive charge induced to the transfer roller surface to be transferred to the paper at the contact between the transfer roller and the paper As a results toner charged negative that is attracted to the image drum surface is transferred to the upper side of the paper by the positive charge on the lower side of the paper Image drum Transfer roller Power supply 40931201TH Rev 1 35 7 Fusing After the end of the transfer the unfused toner image is fused on the paper under heat and pressure as it passes between the heater roller and the back up roller The heater roller with a Teflon coating incorporates a 750W heater Halogen lamp which heats the heat roller A thermistor which is in contact with the heater roller regulates the heater roller at a predetermined temperature about 180 200 C Asafety thermostat c
140. s free size Paper size error The size of the paper is supervised by the inlet sensors 1 It is detected that the paper does not pass over the inlet sensor 1 within predetermined range of distance The inlet sensor 2 detects that the size of the loaded paper is 4 or larger or smaller than A4 The detected paper size differs from the paper size set by command or menu The paper size check with the manual feed specified considers the reference size as free size 40931201TH Rev 1 46 2 5 Cover Open When the stacker cover is opened the cover open microswitch on the Power Supply Unit High voltage is turned off to cut the supply of 30V to the high voltage power supply circuit As a result all high voltage outputs are interrupted Atthe same time the CVOPN signal is sent to the control board to notify it of the off state of the microswitch and the Main board performs the cover open processing 40931201TH Rev 1 47 2 6 Toner Low Detection Composition The device consists of the stirring gear which rotates at a constant rate the stirring bar and the magnet on the stirring bar The stirring bar rotates through the link on the protrusion in the stirring gear Magnet Protrusion Stirring Bar Stirring Gear 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 Stirring Gear Sectio
141. s the data and stores the edited data in a memory After completing edition of one page of data it references the font memory and generates bit data on the same memory At the same time it transfers the bit image data to an LED head in units of one dot line The electro photographic process mechanism prints data on paper The operator panel is used for operations and status display Fig 2 1 shows an OKIPAGE18 OKIPAGE20Plus block diagram 40931201TH Rev 1 14 MAIN BOARD BOARD FFF FLASH ROM Module DUPLEX unit PS ROM L MULTI feeder PCLROM lae 2nd tray 3rd tray Extensi Xtension DRAM Module LSI Tray size DRAM BOARD PXC sensor board Clutch for L TRANSISTOR Regist Roller Centronics Driver VF 7 1 Recever Clutch for TRANSISTOR Hopping Roller gt DRIVER Hopping Motor 52320 gt Driver CP
142. screw 2 screws 3 and remove the cover side I F 3 Remove 2 screws and flexible cable to remove the operator panel assy 60 40931201TH Rev 1 3 3 5 Board FFF 1 Remove the operator panel assy and cover side I F See 3 3 4 2 Unscrew 2 screws 1 and remove the cover side 3 Unscrew 4 screws 3 and remove plate shield 4 Unscrew 4 screws 5 and 2 screws 6 unplug all the connectors 7 and remove Board FFF 40931201TH Rev 1 61 3 3 6 Stacker Assy Damper Arm Cover Rear 1 Remove the face up stacker assy See 3 3 1 2 Remove the cover side L See 3 3 2 1 3 Remove the OP panel assy See 3 3 4 4 Remove the Board FFF See 3 3 5 5 Loosen 2 screws unlock the both sides latches and remove the cover rear 6 Unscrew 2 screws 1 and cover frame 7 Unscrew 4 screws 3 and remove the plate assy side 8 Remove the lever back up release and unlock the engagement of the projection on the right side of gear at the right side of stacker cover 9 Remove a screw 6 and washer and then remove the stacker assy At this time the damper arm can also be detached simultaneously 40931201TH Rev 1 62 3 3 7 Sensor Stacker Full 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Remove the Stacker assy See 3 3 6 3 Remove four screws
143. status message trouble 15 112 6 5 2 LCD message troubleshooting 124 6 5 3 Image troubleshooting eene nnnm 142 7 WIRING ccc eiu au eu cepe E oet 153 7 1 Interconnect Signal Diagram sssssssssssseseseenene eene nnne nnn 153 7 2 POB ee te Re et e le d fena 154 7 3 Resistance Check 157 7 4 Program Font ROM Location sssssssssssseseeeeeenneen nnne nnne nre 159 8 161 40931201TH Rev 1 4 A CENTRONICS PARALLEL INTERFACE 169 APPENDIX RS 232C SERIAL INTERFACE 173 APPENDIX DUPLEX UNIT MAINTENANCE 175 1 OUTEINE ret etnia editus 175 1 1 FONCIONS RU p 175 1 2 External View and Component 175 2 MECHANISM DESCRIPTION nen rens enr nin nennnn 176 2 1 General 00 0 176 2 2 JAM Release 177 2 3 Removing Installing Duplex 178 3 PARTS REPLACEMENT iie t eed dedo HO emis 180 3 1 Precautions Concerning Parts
144. switch of the printer Do not try disassembly as long as the printer is operating normally Do not remove unnecessary parts try to keep disassembly to a minimum Use specified service tools When disassembling follow the determined sequence Otherwise parts may be damaged Since screws collars and other small parts are likely to be lost they should temporarily be attached to the orginal positions When handling ICs such as microprocessors ROM and RAM and circuit boards do not wear gloves that are likely to generate static electricity Do not place printed circuit boards directly on the equipment or floor 40931201TH Rev 1 51 Service Tools Table 3 1 shows the tools required for field replacement of printed circuit boards and units Table 3 1 Service Tools Service Tools Place of use Remarks No 1 100 Philips screwdriver 2 2 5 mm screws No 2 200 Philips screwdriver Magnetized 3 5 mm screws No 3 100 screwdriver No 5 200 screwdriver Digital multimeter Pliers Handy cleaner LED Head cleaner P N 4PB4083 2248P1 Cleans LED head Connector remover P N 4 4076 5395 1 Disconnect connector Holder TR Eject P N 40596701 For removing ROLLER Transfer 40931201TH Rev 1 52 Parts Layout 3 2 53 R Cover Side I F Cover Side S zx 5 TR mu 8 gk lt gt c
145. tacker out the printer completely or push it into the printer completely gq Yes 15 the eject roller assembly installed properly No Install the eject roller assembly properly 4 Yes Replace the eject roller assembly 40931201TH DRAFT Vesion 134 3 Paper size error Is paper of the specified size used No Use paper of the specified size Yes Do the inlet sensor lever and paper width sensor lever operate smoothly No Replace the inlet sensor lever or paper width sensor lever Y Is the printer recovered No Clean the inlet sensor 1 or paper width sensor on the Power Supply Unit High Voltage See Figure 2 3 Sensor Layout Diagram Is the printer recovered Replace the Power Supply Unit High Voltage YES END YES END Y YES Does the outlet sensor lever operate smoothly Replace the outlet sensor lever Is the printer recovered No Clean the outlet sensor on the Power Supply Unit AC120V or 230V See Figure 2 3 Sensor Layout Diagram 15 the printer recovered Replace the Power Supply Unit AC120V 230V Y YES END YES END Yes Clean the inlet sensor 1 inlet sensor 2 and outlet sensor See Figure 2 3 Sensor Layout Diagram 4 Is the printer recovered No Replace the Power Supply Unit High Voltage YES END 40931201TH DRAFT Vesion 135 4 Fuser unit error ERROR 71 ERROR 7
146. ter 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 is heated during operation 4 Do not expose the image drum to light for longer than 5 minutes at room temperature 40931201TH Rev 1 111 6 4 Preparation for Troubleshooting 1 Operator panel display Thefailure status ofthis printer is displayed onthe liquid crystal display LCD inthe operator panel Take proper corrective action as directed by messages that are displayed on the LCD 6 5 Troubleshooting Flow If troubles should develop in this printer troubleshoot in the following procedure flow Troubles Troubles Troubleshoot from the LED Perform detailed trouble indicated by LCD status message list shooting with the trouble message See 6 5 1 shooting chart See 6 5 2 Jis Perform troubleshooting gt are not indicated by gt eee re LCD message ace 6 5 1 LCD status message trouble list Table 6 1 lists the status and troubles that may be indicated by messages on the LCD LED status BLINK O ON O Undefined 40931201TH Rev 1 112 HLLOZLEGOY Category Daily status LCD status message ATTENTION O ON LINE tttttk Trouble or status Indicates on line status TRAY 1
147. ter the paper fed approx 30mm from the tray the Clutch Feed drives the Align Roller to advance the paper until the Inlet Sensor turns on Aligning After turning on the Inlet Sensor the paper fed by a predetermined length and choked up to the wedge space formed by the Regist Roller and the Pressure Roller so that to align the skew of paper 3 During the paper fed from the 1st tray the build in clutch of Gear is idled and not to drive the Front Hopping Roller Feeding After aligned the paper the Hopping Motor turned off and stop hopping Also the Clutch Feed turned off and the Align Roller idled freely Then Clutch Regist turned on and the Regist Roller start to feed the paper After the paper fed the 1st Hopping Roller is freely idled by releasing build in one way clutch also the Sub Roller is freely idled by escaping the Planet Gear 5 Start printing after the paper turns off the Write Sensor S Pressure Roller E Tags gt egist Roller 0 Clutch Regist 1 2 Inlet Sensor Write Sensor 4 S gt l Clutch Feed Gear D Main Motor Align Roller 40931201TH Rev 1 29 b Hopping from the Front Feeder D Hopping The Front Feeder Plate is normally locked at the lower position by the Release Lever and turn the Micro SW on Top of the FF Cam which attached on end of the Front Hopping Shaft is norm
148. the power supply unit High Voltage See Fig 2 3 Sensor Layout Diagram TNO Replace the hopping roller shaft assy or paper cassette Is the hopping roller shaft rotating YES Set the paper properly Is the stepping motor turning YES Replace the one way clutch gear on the hopping roller shaft assembly Is the connector cable being connected properly NO Connect the connector cable properly Check the coil resistance approx 6 7Q of the stepping motor Is it normal NO Replace the stepping motor Replace the Board BBB 40931201TH Rev 1 220 5 CONNECTION DIAGRAM 5 1 Interconnection Diagram to PRINTER UNIT 2nd TRAY 2nd tray 3rd BOARD PXC tray auto setting switch sw CN11 6P 4 x 7 2 2 d Hd SELECT GND SIZE3 SIZE2 SIZE1 SIZEO GND 5V 5V 3P DATA 1P INSENS 6 5 4 3 2 1 7P MAIN2 7P SIZE 6P BOARD BBB MAIN1 7P 519 9 5 9 5 v 5 0 jo g 6 5 2 7P ee to 3rd TRAY 40931201TH Rev 1 221 PCB Layout 5 2 2 JOAUP JOJOJN Josuas puo Jade Josuas puo
149. the select LED head type 2 Head drive time setting e Sets the drive time of the LED head 3 Head drive time setting at auto head type e This function sets head drive time when HEADTYPE AUTO is selected 4 Head strobe time at 600 x 1200 dpi e This function sets head strobe time at 600 x 1200 b Printing start position setting e Sets the printing start position 6 Drum count total display e Displays on the LCD the total number of drum revolutions in the unit counted at the engine 7 Drum count display e Displays on the LCD the total number of EP drum revolutions counted at the engine 8 Setting of standard tray paper feed length This function sets the paper feed length of standard tray paper 9 Setting of front feeder paper feed length This function sets the paper feed length of the front feeder 10 Setting of High Capacity Second Paper Feeder paper feed length This function sets the paper feed length of the High Capacity Second Paper Feeder 11 Selection of High Capacity Second Paper Feeder download table This function selects the download table for the High Capacity Second Paper Feeder 40931201TH Rev 1 98 12 Setting of High Capacity Third Paper Feeder paper feed length This function sets the paper feed length of the High capacity Third paper feeder 13 Selection of High Capacity Third paper feeder download table This function selects the download table for the High capacity third
150. through the basic checking items provided in the Operator Guide 2 Obtain detailed information concerning the problem from the user 3 Go through the checking in the conditions similar to that in which the problem occurred 4 2 Preparations for the Troubleshooting 1 Display on the Operator panel The status of the problem is displayed on the LCD Liquid Crystal Display on the Operator panel Go through the appropriate troubleshooting procedures according to the messages displayed on the LCD 40931201TH Rev 1 189 When a problem occurs go through the troubleshooting according to the following procedure Troubleshooting according to the LCD Status Message List see 4 3 1 4 3 Troubleshooting Method Problem occurs Problem displayed by the LCD message 4 3 1 LCD Status Message List Carry out detailed troubleshooting according to the Troubleshooting Flow see 4 3 2 The listing of the statuses and problems displayed in the form of messages on the LCD is provided in Table 4 1 Classification LCD Status Message DUPLEX INPUT JAM REMOVE THE PAPER Table 4 1 Description Informs that a jam occurs in feeding papers to the Duplex Unit Recovery method Remove all the papers from the inside of printer unit and Duplex unit and close the cover DUPLEX FEED JAM1 REMOVE THE PAPER Informs that a jam occurs in retracting papers into the re
151. tive charge opposite in polarity to the toner is applied to the reverse side of the paper from the transfer roller the toner is attracted by the positive charge and is transferred to the paper As a result the toner image formed on the image drum is transferred to the paper 5 Temporary cleaning Residual toner that remains on the image drum without being transferred is made uniform by the cleaning roller and is temporarily attracted to the cleaning roller by static electricity 6 Fusing The toner image transferred to the paper is fused under heat and pressure Figure 2 6 shows an electro photographc process timing chart 40931201TH Rev 1 24 ay gt JO Jo uonoaJiq Jaded 10 Yed 19101 gt gt gt gt Buiddou sede jedeg 5 BuisnJ jefe jedeg uononpoud A ddns 46 samog 91059910 Duisnj 19101 jddns gt 5 Jaded Jaded 4 jenn Josuas 9JU Josuas Jede ano Jape PH d SS dn 9224 19 01 109 9 19 01 jopoq 27 Buidojeneq TI ledeg jddns sero 49001 seig Aiddns e jddns
152. tus message READY 2 PRINT FONTS ATTENTION O Trouble or status Prints all the fonts which are included in the printer Ready Light on execution by command Ready Flash execution by switch Normal operation DRUM CLEANING MANUAL mmmmmm REQUEST ATTENTION O Indicates that the printer is under cleaning printing process The second line will become MANUAL LETTER REQUEST or MANUAL 4 SIZE REQUEST Set requested paper to front tray and press FORM FEED button READY PRINT DEMO PAGE ATTENTION O Prints the demo page Ready light on execution by command Ready flash execution by switch Normal operation READY Prints current menu setting Ready Light on execution by command Ready Flash execution by switch Normal operation mmmmmmmmm MANUAL e YYYYYYYY REQUEST ATTENTION Requests that a sheet indicated in the second line message is inserted by hans YYYYYYYY sheet type PAPER ENVELOPE Set requested paper to front tray and press FORM FEED button PRESS FORM FEED Promotes an forced exit by FORM FEED switch when the time set in WAIT TIME OUT of AUTO OPERATION in the level 2 menu has been passed since no data received Press FORM FEED button HLLOZLEGOY 1211
153. unt reset Engine reset 40931201TH Rev 1 91 411 User maintenance mode To enter the user maintenance mode turn the power supply ON while pressing the Menu key This mode uses the menu for function selection The user maintenance mode provides the following functions 1 Menu reset All settings for Menu level 1 are reset to the factory default values The menus for all executable emulations including options are reset to the factory default values The operation mode starts automatically upon completion of resetting 2 Hex dump The data received from the host is dumped in hexadecimal notation to the printer Printing is activated automatically when the received data exceeds one page If the received data is less than one page printing can be activated manually be pressing the Form Feed key after selecting the OFF LINE mode by pressing the ON LINE key Automatic activation of printing even when the received data is less than one page by selecting the Auto Eject function on the menu To exit from this mode is turning the power OFF 3 Drum counter reset This function resets the drum life data when the user replaces the image drum unit The operation mode starts automatically upon completion of resetting 4 Resource Save e Set the storage area size of resource to be stored between PCL and Postscript 5 Receive Buffer Size e Setthe receiving buffer 6 Operator panel menu disable Thisfunction is for en
154. ustment Image Drum Cartridge Reset the image drum counter Refer to User s manual Fuser Unit Reset the fuser counter Refer to Chapter 4 2 1 40931201TH Rev 1 103 4 2 1 Resetting the fuser counter 1 The fuser counter can be reset in the engine maintenance mode 2 Resetting method Operation With the ENTER and FORM FEED keys pressed turn the printer power on Press the MENU key until FUSER COUNT RESET is displayed Press the ENTER key to reset the fuser count After the initializing process is completed the printer enters into the operation mode LCD display ENG MNT V FUSER COUNT RESET 40931201TH Rev 1 104 4 2 2 Destination setting 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 Keys to be depressed ODA MENU gt OEL MENU lt OKI INT A MENU PAPER SIZE Australia etc OKI INT L MENU TRAY TYPE Singapore etc This function shall not be open for users 40931201TH Rev 1 105 4 2 3 Setting of LED head drive time As the OKIPAGE18 OKIPAGE 20Plus automatically judges head type and head drive time there is no need for changing any setting in replacing LED head But individual setting can be changed by ENGINE Maintenance menu as before The procedure in such case shown below
155. uts off voltage supply to the heater by opening the thermostat in the event of abnormal temperature rises The back up roller is held under a pressure of 5 kg from the pressure spring at each side Heater Separation Claw Thermistor Heater Roller Paper Pressure Spring 40931201TH Rev 1 36 8 Cleaning After the end of the transfer residual toner on the image drum is attracted to the cleaning roller temporarily by static electricity to clean the image drum surface Image drum Cleaning roller supply Transfer roller 9 Cleaning of rollers The charge roller transfer roller and cleaning roller are cleaned in the following cases n warming up at power on time n warming up after the cover is opened and closed When the number of accumulated sheets is 10 or more and the printout operation ends Changes in bias voltage applied to each roller move adhesive toner from the roller to the image drum and return it to the developer 40931201TH Rev 1 37 2 34 Revision of LED Head Illumination From CPU 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 carried out by using an EEPROM which is installed in the LSI that maintains the LED illumination correction values and an LED correction drivers together as a pair The LED correcting he

Okipage 18/20plus

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