Oki OKIPAGE 24DX Service Manual Download

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Service Guide OKIPAGE 24DX/24DXn

Chapter

0 Introduction

Front Cover

Oki Data

Service Guide

OKIPAGE 24DX & 24DXn

Adobe Acrobat printable reference copy

of the OKIDATA Service Training Manual.

01/26/2000

Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures

rendered at 300 dpi, which is ideal for printing, but does not display well on most displays.

Summary of Contents for OKIPAGE 24DX

Page 1: ...PAGE 24DX 24DXn Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual 01 26 2000 Note This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictu...

Page 2: ...3 4 Revision of LED Head Illumination 2 4 Paper Jam Detection 16 2 5 Cover Open 18 2 6 Toner Low Detection 17 2 7 Stacker full Detection 19 2 8 Page Size Detection 14 3 Parts Replacement Parts Replac...

Page 3: ...4 1 1 User maintenance mode 46 4 1 2 System maintenance mode 47 4 1 3 Engine maintenance mode 47 4 1 4 EEPROM initialization 47 4 2 Adjustment When Replacing a Part 48 4 2 1 Setting LED Head Drive Ti...

Page 4: ...4 69 6 5 3 Image Troubleshooting 61 1 An image is light or blurred entirely 62 2 Dark background density 63 3 Black paper is output 64 4 Black belts or stripes in the vertical direction 65 5 Cyclic er...

Page 5: ...eshooting 112 4 3 Troubleshooting Method 113 4 3 1 LCD Status Message List 114 4 3 2 Troubleshooting Flow 115 5 0 Connection Diagram 116 5 1 Interconnection Diagram 117 5 2 PCB Layout 118 6 0 Parts Li...

Page 6: ...nent Names 154 2 0 Mechanism Description 155 2 1 General Mechanism 156 2 2 Hopper Mechanism 157 3 0 Parts Replacement 158 3 1 Precautions Concerning Parts Replacement 159 3 2 Parts Layout 160 3 3 Part...

Page 7: ...DX 24DXn 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 Copyright 1998 Okidata...

Page 8: ...tion System Configuration Printer Configuration Optional Configuration Specification Safety Standards Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Pa...

Page 9: ...PAGE 24DX 24DXn Chapter 1 Configuration 1 1 System Configuration The OKIPAGE 24DX 24DXn consists of control and engine blocks as the standard configuration See Figure 1 1 In addition the following opt...

Page 10: ...Figure 1 1...

Page 12: ...onfiguration 1 2 Printer Configuration The printer unit consists of the following hardware components Electro Photographic Processor l Paper Feeder l Controller l Operator panel l Power supply unit l...

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Page 15: ...tional Configuration The options below are available for use with OKIPAGE 24DX OKIPAGE 24DXn They are sold separately from the printer unit 1 Multi Feeder 2 Second Third Paper Feeder 4 D RAM SIMM modu...

Page 16: ...2 pin SIMM 4MB 8MB See 7 2 1 for where to install Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material...

Page 17: ...y Size Standard sizes l Letter Legal Executive Envelope with Duplex printing A4 A5 without Duplex printing B5 without Duplex printing A6 without Duplex printing Applicable sizes l Width 3 4 to 8 5 86...

Page 18: ...d dry bulb temperature 35 6 2 35 6 2 o F o C Notes 1 Storage conditions specified above apply to printers in packed condition 2 Temperature and humidity must be in the range where no condensation occu...

Page 19: ...onfiguration 1 5 Safety Standards 1 5 1 Certification Label 1 5 2 Warning Label Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Page 20: ...Certification Label The safety certification label is affixed to th eprinter in the position below Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partn...

Page 21: ...l is affixed to the portion which may cause an injury to human body Follow the instructions on warning labels during maintenance Copyright 1998 Okidata Division of OKI America Inc All rights reserved...

Page 22: ...rd receives data through a host I F decodes and edits 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...

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Page 24: ...re 2 1 OKIPAGE 24DX block diagram Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this material http bpx okidata...

Page 25: ...onics parallel interface Timer Generates various control timings for monitoring paper feeding and a paper size Serial I O port Inputting of various signals Outputting of various control signals I O po...

Page 26: ...ace between controller and 2nd tray 3rd tray Multi purpose feeder Control of serial interface between controller and Duplex unit Motor drive controler Control of Hopping motor I O Port Inputting of va...

Page 27: ...ysical 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 DTR HI or DTR LO l X...

Page 28: ...ity 16 or 32 MB Parity None 8 Flash ROM module Pin layout l Basic specification l Type 72 pins SIMM 32 bits buss width Access time 90ns Capacity 4 or 8 MB Copyright 1998 Okidata Division of OKI Americ...

Page 29: ...ircuit 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...

Page 30: ...exists OFF No paper exists Inlet sensor 2 Detects the form width ON A4 or larger OFF A4 or smaller Paper sensor Detects the leading part of the paper Supervises the paper running state ON Paper exist...

Page 32: ...ro photographic process mechanism 2 3 2 Electro photographic process 2 3 3 Process operation descriptions 2 3 4 Revision of LED Head Illumination Copyright 1998 Okidata Division of OKI America Inc All...

Page 33: ...echanism 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 th...

Page 34: ...pply board is applied to the heater under the control of the HEATON signal from the control board This AC voltage heats the heater The control board supervises the heat roller temperature via the ther...

Page 35: ...e 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 rolle...

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Page 38: ...effected by a single hopping motor in the mechanism shown below Turning the Hopping motor in direction a CW drives the 1st Hopping Roller Turning the Hopping motor in direction b CCW drives the Front...

Page 39: ...er fed by a predetermined length and choked up to the wedge space formed by the Registration Roller and the Pressure Roller to align the skew of the paper 3 During the paper fed from the 1st tray the...

Page 40: ...elease Lever again When the FF Cam is rotated approx 275 degrees the paper is fed until the Inlet Sensor turns off 2 Aligning After turning on the Inlet Sensor the paper is fed a predetermined length...

Page 41: ...5 Printing starts after the paper turns off the Write Sensor...

Page 42: ...ion roller The registration roller advances the paper until it comes out of the registration roller When the leading edge of the paper causes the paper sensor to turn on the printing is started synchr...

Page 43: ...r that is in contact with the image drum surface 4 Exposure Light emitted from the LED head radiates the image drum surface with negative charges The surface potential of the charged part of the image...

Page 44: ...making the electrostatic latent image visible 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 contac...

Page 45: ...corporates 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 A s...

Page 46: ...eturn it to the developer 10 Duplex Unit 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 t...

Page 48: ...pair The LED correcting head 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 In OKIPAGE...

Page 49: ...i Read of correction data ii Transfer of correction data to head driver correction data 2 One side wire bonding head...

Page 50: ...in EEPROM within the correction control LSI are read by CPU and stored temporarily in the memory ii Next LED head is set to the correction control direct mode and the correction data stored temporari...

Page 51: ...can be set in 16 steps with 7 steps in the direction of illumination increase in relation to the standard value and 8 steps in the direction of decrease For this reason the LED correction data is a 4...

Page 52: ...The printing operation timing chart is shown below...

Page 53: ...ATA0 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 lev...

Page 54: ...ading edge of paper does not reach the outlet sensor within l a predetermined distance after the paper has reached the paper sensor Paper exit jam At power on time the paper is placed on the outlet se...

Page 55: ...y is pulled out in paper remaining state l when feeding papers within the Duplex Unit Remove the paper l Error 83 Informs that an I F time out occurs between the printer and l Duplex Copyright 1998 Ok...

Page 56: ...the high voltage power supply circuit As a result all high voltage outputs are interrupted At the same time the CVOPN signal is sent to the control board to notify it of the off state of the microswit...

Page 57: ...ink on the protrusion in the stirring gear Operation l 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 O...

Page 58: ...ner low can be detected When the toner low state is detected 2 times consecutively Toner Low is established l When the toner full state is detected 2 times consecutively Toner Low is canceled l When t...

Page 59: ...rlocked with the lever at the paper outlet to the stacker detects a stacker full state about 250 sheets and stops printing of the ensuing pages Copyright 1998 Okidata Division of OKI America Inc All r...

Page 60: ...ssette is inserted into the printer the state of the tab pieces is detected by the microswitch to recognize the paper size State of Microswitches Paper Size SW1 SW2 SW3 SW4 0 1 1 1 Letter 0 1 0 1 Exec...

Page 61: ...and units in the field Only the removal procedures are explained here Reverse the procedure for the installation 3 1 Precautions for Parts Replacement 3 2 Parts Layout 3 3 Replacing Parts Copyright 1...

Page 62: ...the printer ii Connect the AC inlet plug to the AC receptacle iii Turn on I the power switch of the printer 2 Do not try disassembly as long as the printer is operating normally 3 Do not remove unnec...

Page 63: ...ists the maintenance tools necessary for parts replacement Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this...

Page 64: ...3 2 Parts Layout This section explains the layout of main parts Figure 3 1 Figure 3 2 Figure 3 3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partne...

Page 65: ...Page 26 Service Guide OKIPAGE 24DX 24DXn Chapter 3 Parts Replacement Figure 3 1...

Page 67: ...Page 27 Service Guide OKIPAGE 24DX 24DXn Chapter 3 Parts Replacement Figure 3 2...

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Page 70: ...Page 28 Service Guide OKIPAGE 24DX 24DXn Chapter 3 Parts Replacement Figure 3 3...

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Page 73: ...Page 29 Service Guide OKIPAGE 24DX 24DXn Chapter 3 Parts Replacement Figure 3 4...

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Page 76: ...3 8 Cable cover guide film 3 3 9 Damper 3 3 10 Feeder Unit Front 3 3 11 Roller Assy Regist 3 3 12 Motor Main 3 3 13 Guide Assy Eject 3 3 14 Heat Assy 3 3 15 Roller feed C 3 3 16 Roller Assy BK 3 3 17...

Page 77: ...Duplex Unit 3 3 32 Board LEX 3 3 33 Connector IMSA 9714N 14A 3 3 34 Photo Sensor 3 3 35 SOLENOID Assy 3 3 36 Motor Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDAT...

Page 78: ...acement 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 2 unhook the right and...

Page 80: ...Parts Replacement 3 3 2 Contact Assy 1 Open the stacker assy 1 and unscrew 2 screws 2 to remove the cover assy side L 3 2 Unscrew 2 screws 4 and remove the plate contact 5 and contact Assy 6 Note Don...

Page 82: ...1 Remove the cover assy side L See 3 3 2 1 2 Remove the DC fan motor 1 by pulling out the connector of DC fan motor 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKI...

Page 83: ...Chapter 3 Parts Replacement 3 3 4 OP Panel Assy 1 Disconnect the Interface cable 1 2 Open the stacker assy 2 unscrew 2 screws 3 and remove the cover assy side R 4 3 Remove 2 screws 5 and flexible cab...

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Page 86: ...3 5 Board FFF 1 Remove the operator panel assy and cover assy side R See 3 3 4 2 Unscrew 2 screws 1 and remove the cover assy corner R 2 3 Unscrew 16 screws 3 and remove plate shield 4 4 Unscrew 3 scr...

Page 88: ...5 5 Loosen 2 screws unlock the latches from both sides and remove the rear cover 11 6 Unscrew 2 screws 1 and remove frame cover 2 7 Unscrew 3 screws 3 and remove the plate assy side R 4 8 Remove the l...

Page 90: ...he 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 1 Remove stacker mount 2 by releasing the tabs at position 2A 4 Remove Sensor s...

Page 92: ...ve the stacker Assy See 3 3 6 3 Unscrew 2 screws 1 release tabs at portion 1A Remove cable cover 2 guide film 3 Note Use care when replacing cable cover Do not pitch crimp or cut cables or protective...

Page 93: ...3 3 9 Damper 1 Remove the damper arm See 3 3 6 2 Unscrew 2 screws 1 and remove the two dampers 2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partne...

Page 94: ...al feed assy 1 and release both right and left parts by pulling out the engagements on the lower part 2 Stand the manual feed assy 1 on end and unhook the engagements with both right and left manual f...

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Page 97: ...AGE 24DX 24DXn Chapter 3 Parts Replacement 3 3 11 Roller Assy Regist 1 Remove the feeder unit front See 3 3 10 2 Remove an E ring 3 gear assy clutch 4 and four screws 1 in this order and lift out the...

Page 99: ...the plate FG F 1 6 Remove the TR gear 2 and roller transfer 3 Use Holder TR Eject 16 for the removal 7 Unscrew 7 screws 4 and remove the main frame 5 8 Unlock latches at two points of the lever back u...

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Page 102: ...ct 1 Remove the lever back up release See 3 3 12 8 But the roller transfer feeder unit front plate FG do not have to be removed 2 Loosen 2 screws 1 unlock both side latches and remove the cover rear 2...

Page 104: ...the connectors 1 2 3 Unscrew 4 screws 3 and remove the heat assy 4 in the direction of the arrow by lifting the right side first Note As the heat assy 4 remains at high temperature soon after the powe...

Page 106: ...ect See 3 3 13 But roller transfer feeder unit front plate FG F do not have to be removed 2 Remove the gear roller C 1 and bushing 2 bend a part of the plate FG BK 3 Take off the carrier bearing 4 and...

Page 108: ...E 24DX 24DXn Chapter 3 Parts Replacement 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 1 and lift...

Page 110: ...er 3 Parts Replacement 3 3 17 Roller Assy Feed 1 Remove the feeder unit front See 3 3 10 2 Remove the roller assy feed 1 by unlocking a latch Copyright 1998 Okidata Division of OKI America Inc All rig...

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Page 112: ...LED head 4 3 Open the hooks of the cover stacker 1 in the direction of the arrow and remove the LED head 4 4 Pull out the head spring 5 from the post Note Don t remove two LED cable 3 from the PC conn...

Page 113: ...aper cassette ROLLER Assy Feed ROLLER Assy Hopping 1 Pull out the case assy cassette 1 from the printer 2 Remove the ROLLER Assy Feed 2 and remove the ROLLER Assy Hopping 3 Copyright 1998 Okidata Divi...

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Page 115: ...sy Separation 1 Turn the AC power switch off Unplug the AC power cord from the outlet 2 Pull out the case Assy Cassette 1 from the printer See 3 3 19 1 3 Release two locks and remove frame assy separa...

Page 117: ...TR gear 1 to remove the TR gear 1 and roller transfer 2 Use the Holder TR Eject 5 for the removal Note Don t place the removed roller transfer directly on the desk and so on When placing it lay a pape...

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Page 120: ...ve Frame Main See 3 3 12 7 3 Remove screw 1 Turn EP lock lever L Assy 2 in the direction of arrow A 4 Remove spring 3 5 Drop EP lock shaft 4 down and turn in the direction of arrows B and remove it Co...

Page 121: ...nt 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 1 Remove th...

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Page 124: ...ent 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 1 and remove t...

Page 126: ...t 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 1 and remove...

Page 128: ...ower 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 two inlet sensor levers 1 Remove the inlet sensor levers 1 by pushing them dow...

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Page 130: ...t 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 2 4 Unscrew 10 screws 3 and remove the con...

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Page 133: ...etached simultaneously 7 Remove the GEAR Z38 14 ADF Bearing 15 ROLLER Guide 16 and SHAFT Hopping 17 and Bracket Sub roller 28 At this time the Lock Pin 18 can also be detached simultaneously 8 Remove...

Page 135: ...E Base and FRAME Assy Hopping See 3 3 28 5 4 Unscrew two screw 1 and then remove Guide Assy Cassette L 2 5 Remove SPRING Sheet 3 and then remove LINK Sheet 4 and pull block 5 Pay attention the directi...

Page 137: ...the direction of hook of SPRING Sheet 3 6 Remove spring 6 and then remove cassette stopper 7 7 Remove screw 8 from LINK Sheet 4 and then remove link support 9 and Roller link 10 8 Unscrew two screws...

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Page 140: ...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 3 Rotate the LEVER Lock Dup in th...

Page 141: ...sert the Duplex Unit along the groove up to accord both rear faces between printer and Duplex Unit Note Printer and Duplex Unit will connect automatically with built in connector 2 Lock the Duplex Uni...

Page 142: ...boss in Hopping Frame 4 After installing Duplex Unit put back the Paper Cassette into 1st Tray Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner E...

Page 143: ...1 Remove two LEVER Lock DUP 1 by rotating them in the arrow direction 2 Unscrews five screws 2 to remove the bracket 3 3 Unlatch all the nails and unplug all the connectors 4 to remove the Board LEX...

Page 145: ...Replacement 3 3 33 Connector IMSA 9714N 14A 1 Remove two LEVER Release DUP 1 2 Take away two SPRING Support 2 to remove FRAME MAIN DUP 3 Remove the FRAME MAIN DUP by lifting in up from A side 3 Unscr...

Page 147: ...o remove two SPRING Lock frame 1 and two LEVER Lock Assy 2 3 Pull out four SHAFT Pinch 3 and remove four ROLLER Pinch 4 and eight SPRING Pinch u 5 4 Release the lock to remove two BRACKET Pinch 6 and...

Page 149: ...5 SOLENOID Assy 1 Remove the Frame Main DUP See section 3 3 2 2 Release the lock to remove Two LEVER Sensor F R 1 and two SPRING Sensor F R 2 3 Unplug the Connection Code Wire 3 and remove Photo Senso...

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Page 152: ...and ROLLER Feed RV 8 At this time Knock Pin 9 can be removed simultaneously 5 Unscrew the screw 10 to remove the PLATE Earth BTM 11 6 Disengage the latch and remove two PULLEY MX25 12 Mini Pitch Belt...

Page 154: ...set in EEPROM on the controller PCB The parameters are set with key presses from the operator panel This printer has three maintenance modes used to reset page counts when replacing a part fine tune t...

Page 155: ...nce mode l l Note This mode is used only by service personnel and should not be released to the end user To enter the system maintenance mode turn on the POWER switch while pressing the RECOVER key Fu...

Page 156: ...per feed length l Selection of second tray feeder download table l Setting of third tray paper feed length l Selection of third tray feed download table l Setting of Multi purpose feeder paper feed le...

Page 157: ...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...

Page 158: ...ter selecting the front tray by paper source command ESC N H on l PCL 13 Page placement The function which aligns a printing image to the right l 14 SETTING This function is used to adjust to improve...

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Page 162: ...ting 3 Rolling ASCII continuous printing The rolling ASCII pattern is printed continuously for various engine tests l Press the ON LINE key to cancel this mode l 4 RS232C LOOP TEST Performs a loop tes...

Page 163: ...Reset the HSP ERROR counter l 9 SIDM enable disable If it s selected disable cannot select SIDM emulations by Menu l System maintenance mode menu system...

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Page 166: ...dpi This function sets head strobe time at 600 x 1200 dpi l 5 Printing start position setting Sets the printing start position l 6 Drum count total display Displays on the LCD the total number of dru...

Page 167: ...gth of the duplex l 17 Fuser count display Displays on the LCD the total number of printed pages counted at the engine l 18 Fuser count reset When the fuser unit is replaced the maintenance person use...

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Page 171: ...Page 72 Service Guide OKIPAGE 24DX 24DXn Chapter 4 Adjustment 4 1 4 EEPROM initialization The corresponding area of the EEPROM is initialized for each event as shown Table 4 1 and Table 4 2...

Page 173: ...ent Image Drum Unit Reset the drum counter Refer to User s Manual Fuser Unit Reset the fuser counter Refer to Chapter 4 2 1 4 2 1 Setting LED Head Drive Time 4 2 2 Destination Setting 4 2 3 Setting of...

Page 174: ...LED Head Drive Time 1 The fuser counter can be reset in the engine maintenance mode 2 Resetting method Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business...

Page 175: ...while depressing two keys corresponding to the destination according to the following table Destination Keys to be depressed ODA MENU This function shall not be open for users Copyright 1998 Okidata D...

Page 176: ...cing LED head But individual setting can be changed by ENGINE Maintenance menu as before The procedure in such case shown below Luminous intensity marking label l Setting of LED head drive time l Driv...

Page 177: ...b Setting Example When setting head type to TYPE3WB both sided wire bonding head and head drive time to No 14...

Page 179: ...LED head l Regist Paper dust l Consumables Heat Assy 200 000 Maintenance Kit Transfer Roller 200 000 Maintenance Kit Back up Roller Assy 200 000 Maintenance Kit Feed Roller Assy 200 000 Maintenance Ki...

Page 180: ...when necessary Use the handy clearner VACUUM for cleaning the printers interior Note Do not touch the image drum unit LED lens array or LED head connector block 5 2 1 Cleaning the LED Lens Array Copy...

Page 181: ...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 Copyright 1998 Okidata Divis...

Page 182: ...2 Cleaning the Plastic Film 1 Open the stacker assy and remove I D unit 2 After cleaning LED head wipe off the paper powder by LED LENS CLEANER and remove the paper powder 3 Remove paper powder out o...

Page 184: ...user s manual 1 Gather as much information on the problem from the customer as possible 2 Perform inspections in conditions close to those in which the problem had occurred 3 Copyright 1998 Okidata D...

Page 185: ...1 Have the supplies toner and the routine replacement part image drum cartridge been replaced properly 2 Is the paper normal See paper specifications section 3 Has the image drum cartridge been loaded...

Page 186: ...the image drum 1 Do not expose the image drum to direct sunlight 2 Keep hands off the fuser unit as it is heated during operation 3 Do not expose the image drum to light for longer than 5 minutes at r...

Page 187: ...ure status of this printer is displayed on the liquid crystal display LCD in the operator panel Take proper corrective action as directed by messages that are displayed on the LCD Copyright 1998 Okida...

Page 188: ...p in this printer troubleshoot in the following procedure flow 6 5 1 LCD status message trouble list 6 5 2 LCD message troubleshooting 6 5 3 Image troubleshooting Copyright 1998 Okidata Division of OK...

Page 189: ...status Indicates on line status tttttt Tray TRAY 1 TRAY 2 TRY 3 and FRONT MANUAL FEEDER Tn Cassette tray T1 TRAY 1 T2 TRAY 2 T3 TRAY 3 mmmmmmmmm Paper size in the tray being selected LETTER EXECUTIVE...

Page 190: ...the ON LINE button Indicates that the non 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...

Page 191: ...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...

Page 192: ...val of the connector Clean or replace the stacker full sensor Indicates that no paper or paper cassette in a tray Load paper or paper cassette to the tray Indicates that in an attempt to use the third...

Page 193: ...witch The page formatting should be slightly simplified It can be canceled in PS mode when the job is completed Press the RECOVER key on the operator panel to release the error display Simplify page d...

Page 194: ...NS 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 Informs that in feeding papers from n tray to the Duplex unit a...

Page 195: ...on mode 22 Communication error between OKI HSP host Press RECOVER key If the error occurs frequently check HSP card Informs that the upper cover is open Close the cover to release the error display If...

Page 196: ...ounted on the replaced Main board 40 An error was detected by EEPROM check Replace the EEPROM Location IC19 Replace the Main board BOARD FFF 50 An error was detected by optional software ROM Replace t...

Page 197: ...imer program error see 90 above F6 IPT2 program error see 90 above F7 IPT1 program error see 90 above Category Processor error LCD message ERROR CONTROLLER nn aaaaaaaa READY LED Light off ATTENTION LE...

Page 198: ...uction Exception see above B Co processor Unusable Exception see above C Arithmetic Overflow Exception see above Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA...

Page 199: ...Power Supply Unit High Voltage ERROR74 11 6 I F time out between the printer and the operator panel ERROR80 7 7 I F time out no response between the printer and an optional tray 2nd tray 3rd tray mult...

Page 200: ...Page 88 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 1 The printer does not work normally after being turned on...

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Page 205: ...Paper input jam front feeder 2 3 Paper feed jam 2 4 Paper exit jam 2 5 Duplex INPUT JAM 2 6 Duplex FEED JAM1 2 7 Duplex FEED JAM2 2 8 Duplex FEED JAM3 Copyright 1998 Okidata Division of OKI America I...

Page 206: ...Page 90 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 2 1 Paper input jam 1st tray...

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Page 209: ...Chapter 6 Troubleshooting Procedures 2 2 Paper input jam front feeder Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updat...

Page 210: ...Page 92 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 2 3 Paper feed jam...

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Page 213: ...24DXn Chapter 6 Troubleshooting Procedures 2 4 Paper exit jam Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to t...

Page 214: ...Page 94 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 2 5 Duplex INPUT JAM...

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Page 217: ...24DXn Chapter 6 Troubleshooting Procedures 2 6 Duplex FEED JAM1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 218: ...24DXn Chapter 6 Troubleshooting Procedures 2 7 Duplex FEED JAM2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 219: ...24DXn Chapter 6 Troubleshooting Procedures 2 8 Duplex FEED JAM3 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 220: ...Page 98 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 3 Paper size error Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner...

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Page 222: ...Page 99 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 4 Fuser unit error ERROR 71 ERROR 72 ERROR 73...

Page 224: ...oubleshooting Procedures 5 I F time out between printer and optional tray ERROR 81 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Page 225: ...roubleshooting Procedures 6 I F time out between printer and Duplex Unit ERROR 83 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX f...

Page 226: ...oting Procedures 7 I F time out occurs between the printer and the operator panel ERROR 80 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Excha...

Page 227: ...ubleshooting Procedures 8 Message cannot be received through the parallel interface Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Page 228: ...Page 104 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 9 Message cannot be received through the serial interface...

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Page 231: ...roubleshooting Procedures 10 Data cannot be received through the OKI HSP interface Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Page 232: ...pter 6 Troubleshooting Procedures 11 Synchronous serial I O error ERROR 74 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 233: ...tput Figure 6 4 C 3 Black belts stripes in the vertical direction Figure 6 4 D 4 Cyclical defect Figure 6 4 E 5 Print voids 6 Poor fusing images are blurred or peeled off when touched by hands 7 White...

Page 235: ...Page 108 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 1 An image is light or blurred entirely...

Page 237: ...DXn Chapter 6 Troubleshooting Procedures 2 Dark background density Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 238: ...4DXn Chapter 6 Troubleshooting Procedures 3 Black paper is output Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates t...

Page 239: ...6 Troubleshooting Procedures 4 Black belts or stripes in the vertical direction Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Page 240: ...ler Heat roller 3 46 88 mm Replace the fusing unit assy Pressure roller B 3 46 88 mm Replace pressure roller Notes 1 After replacing the image drum cartridge set the printer in the user maintenance mo...

Page 241: ...Page 113 Service Guide OKIPAGE 24DX 24DXn Chapter 6 Troubleshooting Procedures 6 Print voids Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner...

Page 242: ...Exchange BPX for any updates to this material http bpx okidata com...

Page 243: ...DX 24DXn Chapter 6 Troubleshooting Procedures 7 Poor fusing I Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to th...

Page 244: ...6 Troubleshooting Procedures 8 White belts or streaks in the vertical direction Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for...

Page 245: ...apter 6 Troubleshooting Procedures 9 Snowy print of high density pattern Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 246: ...24DXn Chapter 6 Troubleshooting Procedures 10 Blotchy faded print Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates t...

Page 247: ...24DXn Chapter 6 Troubleshooting Procedures Contents Figure 6 5 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 248: ...24DXn Chapter 6 Troubleshooting Procedures Contents Figure 6 6 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 249: ...Page 120 Service Guide OKIPAGE 24DX 24DXn Chapter 7 Wiring Diagram 7 1 Interconnect Signal Diagram...

Page 250: ......

Page 252: ...ARD FFF 7 2 2 Power supply board AC120V 230V 7 2 3 Power supply board High voltage 7 24 LEX PCB 7 2 5 Flash ROM module BOARD FSL or FSL 2 Copyright 1998 Okidata Division of OKI America Inc All rights...

Page 253: ...Page 122 Service Guide OKIPAGE 24DX 24DXn Chapter 7 Wiring Diagram 7 2 1 Main Control Board HBY PCB...

Page 254: ......

Page 256: ...24DXn Chapter 7 Wiring Diagram 7 2 2 Power Supply Board 120V 230V Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates t...

Page 257: ...DXn Chapter 7 Wiring Diagram 7 2 3 Power supply board High voltage Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 258: ...PAGE 24DX 24DXn Chapter 7 Wiring Diagram 7 2 4 LEX PCB Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this mate...

Page 259: ...hapter 7 Wiring Diagram 7 2 5 Flash ROM module BOARD FSL or BOARD FSL 2 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upd...

Page 260: ...ance Check Unit Circuit Diagram Illustration Resistance Motor Main Between pins 1 and 2 3 1 Ohms Between pins 3 and 4 3 1 Ohms Fusing Unit Between pins 1 and 2 6 7 Ohms Between pins 3 and 4 6 7 Ohms H...

Page 262: ...Page 128 Service Guide OKIPAGE 24DX 24DXn Chapter 7 Wiring Diagram 7 4 Program Font ROM Location 1 In case of EP ROM or OTP ROM 2 In case of MASK ROM...

Page 264: ...Page 129 Service Guide OKIPAGE 24DX 24DXn Chapter 8 Parts List Figure 8 1 Printer Unit...

Page 265: ......

Page 266: ...01 Manual Feed Assy 1 11 40027002 Roller Transfer 1 12 51234901 TR Gear 1 13 40378001 Contact Assy 1 14 40378401 CASE Assy Cassette 1 15 40927901 Frame Assy Separation 1 16 40496001 PLATE Damper 1 17...

Page 267: ...Page 130 Service Guide OKIPAGE 24DX 24DXn Chapter 8 Parts List Figure 8 2 Frame Main Unit...

Page 268: ...le K 1 27 40298201 Motor Assy Main 1 28 40298301 Motor Main 1 29 40298801 Plate Damper 1 30 40332901 Gear Idle A 1 31 40320301 Gear Idle B 1 32 40299201 Gear Idle C 1 33 40302201 Gear Idle D 1 34 4029...

Page 269: ...te FG F 1 65 40307201 Feeder Unit Front 1 66 40443301 LED Head 1 67 55506001 ZCAT 1325 0530A R Core 1 68 51609401 Bearing 1 Copyright 1998 Okidata Division of OKI America Inc All rights reserved See t...

Page 270: ...Page 131 Service Guide OKIPAGE 24DX 24DXn Chapter 8 Parts List Figure 8 3 Base Unit...

Page 271: ......

Page 272: ...1 25 40322101 Plate Hopping caulking 1 26 40317401 Shaft Hopping 1 27 40442501 Roller Guide 2 28 40371301 Roller Assy Hopping 1 29 40317601 Gear Z38 1 30 50608101 Knock Pin 1 31 51608901 ADF Bearing 2...

Page 274: ...Page 132 Service Guide OKIPAGE 24DX 24DXn Chapter 8 Parts List Figure 8 4 Duplex Unit...

Page 275: ......

Page 276: ...Feed R 1 24 51603401 Bearing Feed 1 25 51607301 Bush 3 26 40339901 GEAR Z40S6 1 27 40340301 Pulley MXL25 2 28 40448101 Mini Pitch Belt 1 29 40382001 Roller Feed RV 1 30 51608101 Bearing L 1 31 5160950...

Page 277: ...ble ECP 1 DATA STROBE PR nStrobe Host Clk Host Clk 2 9 DATA BIT n PR Data 1 LSB 8 MSB 10 ACKNOWLEDGE PR nAck Ptrclk PeriphClk 11 BUSY PR Busy PtrBusy PeriphAck 12 PAPER END PR Perror AckDataReq nAck R...

Page 278: ...4 Signal level LOW 0 V to 0 8 V l HIGH 2 4 V to 5 0 V l 5 Interface circuit a Receiving circuit b Sending circuit 6 Timing charts compatible mode l a Data receiving timing...

Page 279: ...b On line off line switching timing by ON LINE SW c Off line on line switching by ON LINE SW d INPUT PRIME timing when set to the effective INPUT PRIME signal...

Page 280: ...IEEE 1284 spec l ECP Mode Conforms to IEEE 1284 spec Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this mater...

Page 281: ...signal Pin No Signal Name Signal Direction Compatible Nibble 1 Frame Ground FG Frame ground 2 Transmitted Data TD PR Transmitted data 3 Received Data RD PR Received data 4 Request To Send RTS PR Stay...

Page 282: ...5pF is being connected to the terminal 6 Communication protocol a READY BUSY protocol b X ON X OFF protocol Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busin...

Page 283: ...plex Unit Maintenance 1 OUTLINE 1 1 Functions 1 2 External View and Component Names Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX...

Page 284: ...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 l Paper Type Cut Sheet Size A4 Letter Executive Legal13 Legal1...

Page 285: ...Chapter C Duplex Unit Maintenance 1 2 External View and Component Names Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any upd...

Page 286: ...0 Mechanism Description 2 1 General Mechanism 2 2 JAM Release Mechanism 2 3 Removing Installing Duplex Unit Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Busin...

Page 287: ...r 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 gi...

Page 289: ...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 i...

Page 290: ...ving Installing Duplex Unit Removing Duplex Unit 1 Power Off and remove the Paper Cassette from 1st tray 2 Remove the Lever Release from the boss of the Hopping Frame 3 Rotate the LEVER Lock Dup in th...

Page 291: ...insert the Duplex Unit along the groove up to accord both rear faces between printer and Duplex Unit Printer and Duplex Unit will connect automatically with built in connector 2 Lock the Duplex Unit t...

Page 292: ...boss in Hopping Frame 4 After installing Duplex Unit put back the Paper Cassette into 1st Tray Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner E...

Page 293: ...ion describes the disassembly procedures and for reassembly procedures basically proceed with the disassembly procedures in the reverse order 3 1 Precautions Concerning Parts Replacement 3 2 Parts Lay...

Page 294: ...le 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 P...

Page 296: ...Page 144 Service Guide OKIPAGE 24DX 24DXn Chapter C Duplex Unit Maintenance 3 2 Parts Layout This section describes the layout of the main components...

Page 297: ......

Page 299: ...ment methods for the components listed in the disassembly order diagram below 3 3 1 Board LEX 3 3 2 Connector IMSA 9714N 14A 3 3 3 Photo Sensor 3 3 4 SOLENOID Assy 3 3 5 Motor Copyright 1998 Okidata D...

Page 300: ...LEX 1 Remove two LEVER Lock DUP 1 by rotating them in the arrow direction 2 Unscrews five screws 2 to remove the bracket 3 3 Unlatch all the nails and unplug all the connectors 4 to remove the Board L...

Page 302: ...Unit Maintenance 3 3 2 Connector IMSA 9714N 14A 1 Remove two LEVER Release DUP 1 2 Take away two SPRING Support 2 to remove FRAME MAIN DUP 3 Remove the FRAME MAIN DUP by lifting in up from A side 3 Un...

Page 304: ...k to remove two SPRING Lock frame 1 and two LEVER Lock Assy 2 3 Pull out four SHAFT Pinch 3 and remove four ROLLER Pinch 4 and eight SPRING Pinch u 5 4 Release the lock to remove two BRACKET Pinch 6 a...

Page 306: ...3 4 SOLENOID Assy 1 Remove the Frame Main DUP See section 3 3 2 2 Release the lock to remove Two LEVER Sensor F R 1 and two SPRING Sensor F R 2 3 Unplug the Connection Code Wire 3 and remove Photo Se...

Page 308: ...Exchange BPX for any updates to this material http bpx okidata com...

Page 309: ...g 7 and ROLLER Feed RV 8 At this time Knock Pin 9 can be removed simultaneously 5 Unscrew the screw 10 to remove the PLATE Earth BTM 11 6 Disengage the latch and remove two PULLEY MX25 12 Mini Pitch B...

Page 311: ...oting 4 1 Precautions Prior to the Troubleshooting 4 2 Preparations for the Troubleshooting 4 3 Troubleshooting Method Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OK...

Page 312: ...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 Copyright 19...

Page 313: ...s 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 Copyright 199...

Page 314: ...problem occurs go through the troubleshooting according to the following procedure 4 3 1 LCD Status Message List 4 3 2 Troubleshooting Flow Copyright 1998 Okidata Division of OKI America Inc All right...

Page 315: ...reversing papers in the reverse roller within the Duplex Unit Remove all the papers from the inside of printer unit and Duplex unit and close the cover Jam Error Informs that a jam occurs in impinge f...

Page 316: ...Page 156 Service Guide OKIPAGE 24DX 24DXn Chapter C Duplex Unit Maintenance 4 3 2 Troubleshooting Flow JAM error l Duplex INPUT JAM...

Page 317: ...Duplex FEED JAM1...

Page 318: ...Duplex FEED JAM2 Duplex FEED JAM3...

Page 320: ...ex Unit Maintenance 5 0 Connection Diagram 5 1 Interconnection Diagram 5 2 PCB Layout Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange B...

Page 321: ...Page 158 Service Guide OKIPAGE 24DX 24DXn Chapter C Duplex Unit Maintenance 5 1 Interconnection Diagram...

Page 322: ......

Page 324: ...24DXn Chapter C Duplex Unit Maintenance 5 2 PCB Layout PCB LEX Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to...

Page 325: ...Page 160 Service Guide OKIPAGE 24DX 24DXn Chapter C Duplex Unit Maintenance 6 0 Parts List...

Page 326: ......

Page 328: ...P 1 1 3 6 20 40597501 GEAR Assy 1 1 3 6 21 40921801 Motor 1 1 3 6 22 40381801 ROLLER Feed F 1 1 3 6 23 40381901 ROLLER Feed R 1 1 3 6 24 51609401 Bearing Feed 1 1 3 6 25 51607301 Bush 3 3 9 18 26 4033...

Page 330: ...Third Paper Feeder Maint option 1 0 Outline 1 1 Functions 1 2 Appearance and Parts Name Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Page 331: ...s to the printer automatically The main functions are as followings Applicable media l Paper Type Cut Sheet Size A4 A5 B5 Letter Executive Legal13 Legal14 l Special Size Paper Width 148 to 216mm Paper...

Page 332: ...ter D Second Third Paper Feeder Maint option 1 2 Appearance and Parts Name Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any...

Page 333: ...per Feeder Maint option 2 0 Description of operation 2 1 Driving Mechanism 2 2 Hopper Mechanism Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner...

Page 334: ...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...

Page 335: ......

Page 337: ...ically 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 Copyright 19...

Page 338: ......

Page 339: ...scribed 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 3 2 Parts Layou...

Page 340: ...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...

Page 342: ...Page 170 Service Guide OKIPAGE 24DX 24DXn Chapter D Second Third Paper Feeder Maint option 3 2 Parts Layout This section describes the layout of the main components...

Page 343: ......

Page 345: ...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 Connector IMSA 9714N 14B Connector IMSA 9714N 14A 3 3 6 Frange Pulley Pulley Idle Mini Pitch b...

Page 346: ...assy feed 1 Remove the Case assy cassette 1 2 Disengage latchs to remove the Roller assy hopping 2 3 Disengage latchs to remove the Roller assy feed 3 Copyright 1998 Okidata Division of OKI America I...

Page 347: ...Page 173 Service Guide OKIPAGE 24DX 24DXn Chapter D Second Third Paper Feeder Maint option 3 3 2 Cover front assy 1 Unscrew two screws 1 to remove the Cover front assy 2...

Page 349: ...Guide OKIPAGE 24DX 24DXn Chapter D Second Third Paper Feeder Maint option 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 remov...

Page 351: ...pter D Second Third Paper Feeder Maint option 3 3 4 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...

Page 353: ...ront 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...

Page 355: ...Exchange BPX for any updates to this material http bpx okidata com...

Page 356: ...Paper Feeder Maint option 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 2 and Plate Earth FR 3...

Page 358: ......

Page 359: ...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 Unsc...

Page 360: ...motor bracket See section 3 3 7 4 Disengage latches to remove the Feeding bearing 1 5 Disengage latches to remove the Pulley feed 2 At this time the Gear feed 3 and Bush 4 can be removed simultaneousl...

Page 361: ...remove the Gear hopping 6 5 Disengage latchs to remove the Gear hopping 2nd 7 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 1...

Page 363: ...side L assy See section 3 3 5 2 Remove the Plate Earth BL 1 3 Take away the Spring 2 to remove the Cassette stopper 3 4 Take away the Spring sheet 4 to remove the Pull block 5 At this time Lever link...

Page 365: ...away the Spring 2 to remove the Cassette stopper 3 4 Take away the Spring sheet 4 to remove the Pull block 5 At this time Lever link 6 can be removed simultaneously 5 Unscrew a screw 7 to remove the...

Page 367: ...oubleshooting 4 1 Precautions Prior to the Troubleshooting 4 2 Preparations for the Troubleshooting 4 3 Troubleshooting Method Copyright 1998 Okidata Division of OKI America Inc All rights reserved Se...

Page 368: ...g 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 Copy...

Page 369: ...he 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 Copyr...

Page 370: ...n 4 3 Troubleshooting Method When a problem occurs go through the troubleshooting according to the following procedure Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OK...

Page 371: ...t size paper feeding from the Second Third Paper Feeder 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...

Page 372: ...Page 188 Service Guide OKIPAGE 24DX 24DXn Chapter D Second Third Paper Feeder Maint option 4 3 2 Troubleshooting Flow JAM error l Paper Input Jam...

Page 374: ...Paper Feeder Maint option 5 0 Connection Diagram 5 1 Interconnection Diagram 5 2 PCB Layout Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exc...

Page 375: ...Page 190 Service Guide OKIPAGE 24DX 24DXn Chapter D Second Third Paper Feeder Maint option 5 1 Interconnection Diagram...

Page 376: ......

Page 378: ...Page 191 Service Guide OKIPAGE 24DX 24DXn Chapter D Second Third Paper Feeder Maint option 5 2 PCB Layout...

Page 380: ...Page 192 Service Guide OKIPAGE 24DX 24DXn Chapter D Second Third Paper Feeder Maint option 6 0 Parts List...

Page 381: ......

Page 382: ...ch assy 1 2 6 12 25 56731641 Connector IMSA 9714N 14B 1 0 3 6 To Printer or 2nd Tray 26 56731640 Connector IMSA 9714N 14A 1 0 3 6 To 3rd Tray 27 40247301 Roller feed 1 1 3 6 28 51609401 Feeding bearin...

Page 383: ...8101 Knock Pin 1 1 3 6 61 40387401 Plate Earth FR 1 1 3 6 62 40387601 Plate Earth Shaft 1 1 3 6 63 40387501 Plate Earth BR 1 1 3 6 64 40387301 Plate Earth BL 1 1 3 6 65 40432901 Plate Earth R 1 1 3 6...

Page 384: ...maintenance methods for Multi Feeder option of the OKIPAGE 24DX Series LED Page Printer Refer to the USER S MANUAL for operating instructions 1 1 Functions 1 2 External View and Component Names Copyr...

Page 385: ...are the followings Paper that can be used l Paper type Paper size Quantity of paper Plain paper A6 106 x 148 mm A4 64 90 g m 2 Thick paper OHP film 64 90 g m 2 Post card label sheet Post card A4 size...

Page 386: ...hapter E Multi Feeder Maint option 1 2 External View and Component Names Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any up...

Page 387: ...eeder Maint option 2 0 Mechanism Description 2 1 General Mechanism 2 2 Hopper Mechanism Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Page 388: ...istance 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...

Page 389: ...2 Hopper Mechanism The hopper automatically feeds the printer with the paper being set single sheet at a time Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Bus...

Page 390: ...tion describes the disassembly procedures and for reassembly procedures basically proceed with the disassembly procedures in the reverse order 3 1 Precautions Concerning Parts Replacement 3 2 Parts La...

Page 391: ...able 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...

Page 393: ...Page 201 Service Guide OKIPAGE 24DX 24DXn Chapter E Multi Feeder Maint option 3 2 Parts Layout This section describes the layout of the main components...

Page 394: ......

Page 396: ...in the disassembly order diagram below Multi Feeder Separator 3 3 1 AOLE PCB 3 3 2 Square shaped connector 3 3 3 Hopping motor 3 3 4 Planet gear 3 3 5 Roller B 3 3 6 Roller A 3 3 7 Mini pitch belt Fe...

Page 397: ...wo 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 frame Refer to 3 3 6...

Page 398: ...he plate 13 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...

Page 399: ...move two screws 1 and remove the AOLE PCB 2 3 Remove the connector 3 4 Remove the connector 4 Caution Be careful to set the sensor plate properly when mounting AOLE PCB Copyright 1998 Okidata Division...

Page 400: ...over 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 3 f...

Page 401: ...uld be hooked on the connector spring 4 and move smoothly Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates to this m...

Page 402: ...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 Copyright 1998 Okidata Division of OKI America Inc All rights reserved S...

Page 403: ...per 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 Copyright 1998 Okidata Division of OKI America Inc All right...

Page 404: ...ee 3 3 1 1 to 3 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 2 to the right lift it by holding on its left side and pull it out to...

Page 406: ...sengage the plate 3 and the frame 4 4 Remove four screws 5 and remove the frame 4 see 3 3 6 5 Move the belt to the right and remove it from the one way pulley 6 6 Move the carrier roller assembly to t...

Page 408: ...E Multi Feeder Maint option 3 3 8 Mini pitch belt 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 3 and remove the plate 4 4...

Page 410: ...ubleshooting Precautions Prior to the Troubleshooting Preparations for the Troubleshooting Troubleshooting Method Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA...

Page 411: ...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 Copyright 1...

Page 412: ...us 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 Copyright 19...

Page 413: ...problem occurs go through the troubleshooting according to the following procedure 4 3 1 LCD Status Message List 4 3 2 Troubleshooting Flow Copyright 1998 Okidata Division of OKI America Inc All righ...

Page 414: ...aper size error Notifies of incorrect size paper feeding from the Multi Feeder Check the paper in the Multi Feeder Also check to see if there was a feeding of multiple sheets Carry out the recovery pr...

Page 415: ...Page 216 Service Guide OKIPAGE 24DX 24DXn Chapter E Multi Feeder Maint option 4 3 2 Troubleshooting Flow JAM error l Paper Input Jam...

Page 416: ......

Page 418: ...Feeder Maint option 5 0 Connection Diagram 5 1 Interconnection Diagram 5 2 PCB Layout Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange...

Page 419: ...DXn Chapter E Multi Feeder Maint option 5 1 Interconnection Diagram Copyright 1998 Okidata Division of OKI America Inc All rights reserved See the OKIDATA Business Partner Exchange BPX for any updates...

Page 420: ...Page 219 Service Guide OKIPAGE 24DX 24DXn Chapter E Multi Feeder Maint option 5 2 PCB Layout AOLE PCB...

Page 422: ...Page 220 Service Guide OKIPAGE 24DX 24DXn Chapter E Multi Feeder Maint option 6 0 Parts List...

Page 423: ......

Page 424: ...6 6 51235701 One way pulley 1 1 3 6 7 51304901 Mini pitch belt 1 1 3 6 8 53343901 Roller B 1 1 3 6 9 55077601 AOLE PCB 1 1 3 6 10 56731641 Connector IMSA 9714N 14B 1 0 3 6 11 56730804 Nylon connector...

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