Oki OKIPAGE24DX User manual
40930701TH DRAFT Version 1 / 237
OKIPAGE24DX / OKIPAGE24dx
LED Page Printer
Maintenance Manual
ODA/ OEL/ INT
1998.12.22 DRAFT Version
40930701TH DRAFT Vesion 2 /
PREFACE
ThismaintenancemanualdescribesthefieldmaintenancemethodsforOKIPAGE24DX/OKIPAGE24dx.
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.
40930701TH DRAFT Vesion 3 /
CONTENTS
1. CONFIGURATION....................................................................................... 7
1.1 System Configuration................................................................................................. 7
1.2 Printer Configuration .................................................................................................. 8
1.3 Optional Configuration ............................................................................................... 9
1.4 Specification............................................................................................................... 11
1.5 Safety Standards ....................................................................................................... 13
1.5.1 Certification label .......................................................................................... 13
1.5.2 Warning label................................................................................................ 13
2. OPERATION DESCRIPTION ...................................................................... 14
2.1 Main Control Board (BOARD-FFF) ............................................................................ 16
2.2 Power Supply Unit ..................................................................................................... 20
2.3 Electro-photographic Process.................................................................................... 22
2.3.1 Electro-photographic process mechanism ................................................... 22
2.3.2 Electro-photographic process....................................................................... 24
2.4.3 Process operation descriptions .................................................................... 28
2.3.4 Revision of LED Head Illumination ............................................................... 39
2.4 Paper Jam Detection ................................................................................................. 47
2.5 Cover Open................................................................................................................ 48
2.6 Toner Low Detection.................................................................................................. 49
2.7 Stacker-full Detection................................................................................................. 51
2.8 Page Size Detection .................................................................................................. 51
3. PARTS REPLACEMENT............................................................................. 52
3.1 Precautions for Parts Replacement ........................................................................... 52
3.2 Parts Layout............................................................................................................... 54
3.3 How to Change Parts................................................................................................. 58
3.3.1 Face -up Stacker Assy ................................................................................. 59
3.3.2 Contact Assy ................................................................................................ 60
3.3.3 DC Fan Motor ............................................................................................... 61
3.3.4 OP Panel Assy ............................................................................................. 62
3.3.5 Board-FFF .................................................................................................... 63
3.3.6 Stacker Assy, Damper Arm, Cover Rear..................................................... 64
3.3.7 Sensor Stacker Full ...................................................................................... 65
3.3.8 Cable cover (guide film)................................................................................ 66
3.3.9 Damper......................................................................................................... 67
3.3.10 Feeder Unit-Front ......................................................................................... 68
3.3.11 Roller Assy-Regist ........................................................................................ 69
3.3.12 Motor -Main .................................................................................................. 70
3.3.13 Guide Assy-Eject .......................................................................................... 72
3.3.14 Heat Assy ..................................................................................................... 73
3.3.15 Roller feed (C) ............................................................................................. 74
3.3.16 Roller Assy-BK ............................................................................................. 75
3.3.17 Roller Assy-Feed .......................................................................................... 76
3.3.18 LED Head ..................................................................................................... 77
3.3.19 Paper cassette, ROLLER Ass-Feed, ROLLER-Assy-Hoppibg..................... 78
3.3.20 Frame Assy-Separation................................................................................ 79
3.3.21 Transfer Roller/TR Gear/TR Bearing............................................................ 80
3.3.22 EP lock shaft................................................................................................. 81
3.3.23 LEVER Assy- Out Sensor............................................................................. 82
3.3.24 Toner sensor lever........................................................................................ 83
3.3.25 Paper sensor lever ....................................................................................... 84
3.3.26 Inlet sensor lever .......................................................................................... 85
40930701TH DRAFT Vesion 4 /
3.3.27 Power supply unit ......................................................................................... 86
3.3.28 Lever-Paper end & Lever-Paper near end ................................................... 87
3.3.29 Guide Assy-Cassette (L) .............................................................................. 89
3.3.30 Guide Assy-Cassette (R).............................................................................. 90
3.3.31 Removing/Installing Duplex Unit................................................................... 92
3.3.32 Board-LEX .................................................................................................... 94
3.3.33 Connector (IMSA-9714N-14A) ..................................................................... 95
3.3.34 Photo Sensor................................................................................................ 96
3.3.35 SOLENOID Assy .......................................................................................... 97
3.3.36 Motor ............................................................................................................ 98
4. ADJUSTMENT............................................................................................. 99
4.1 Maintenance Modes And Functions........................................................................... 99
4.1.1 User maintenance mode .............................................................................. 101
4.1.2 System maintenance mode.......................................................................... 105
4.1.3 Engine maintenance mode........................................................................... 107
4.1.4 EEPROM initialization .................................................................................. 111
4.2 Adjustment When Replacing A Part........................................................................... 112
4.2.1 Resetting the fuser counter .......................................................................... 113
4.2.2 Destination setting ........................................................................................ 114
4.2.3 Setting of LED head drive time..................................................................... 115
115
5. PERIODIC MAINTENANCE ........................................................................ 118
5.1 Periodic Replacing Part ............................................................................................. 118
5.2 Cleaning..................................................................................................................... 118
5.2.1 Cleaning of LED lens array........................................................................... 118
5.2.2 Cleaning the Plastic Film .............................................................................. 119
6. TROUBLESHOOTING PROCEDURES ...................................................... 120
6.1 Troubleshooting Tips ................................................................................................. 120
6.2 Points to Check before Correcting Image Problems.................................................. 120
6.3 Tips for Correcting Image Problems .......................................................................... 120
6.4 Preparation for Troubleshooting ................................................................................ 121
6.5 Troubleshooting Flow................................................................................................. 121
6.5.1 LCD status message/trouble list................................................................... 121
6.5.2 LCD message troubleshooting ..................................................................... 133
6.5.3 Image troubleshooting .................................................................................. 154
7. WIRING DIAGRAM..................................................................................... 165
7.1 Interconnect Signal Diagram...................................................................................... 165
7.2 PCB Layout................................................................................................................ 167
7.3 Resistance Check ...................................................................................................... 170
7.4 Program/Font ROM Location ..................................................................................... 172
8. PARTS LIST ................................................................................................ 174
40930701TH DRAFT Vesion 5 /
APPENDIX A CENTRONICS PARALLEL INTERFACE .................................... 185
APPENDIX B RS-232C SERIAL INTERFACE ................................................... 189
APPENDIX C SECOND/ THIRD PAPER FEEDER MAINTENANCE ................. 191
1. OUTLINE ................................................................................................................... 191
1.1 Functions ...................................................................................................... 191
1.2 Appearance and Parts Name ....................................................................... 191
2. Description of operartion............................................................................................ 192
2.1 Driving Mechanism....................................................................................... 192
2.2 Hopper Mechanism ...................................................................................... 194
3. PARTS REPLACEMENT ........................................................................................... 195
3.1 Precautions Concerning Parts Replacement................................................ 195
3.2 Parts Layout ................................................................................................. 197
3.3 Parts Replacement Methods ........................................................................ 198
3.3.1 Roller assy hopping, Roller assy feed............................................. 199
3.3.2 Cover front assy .............................................................................. 200
3.3.3 Board-BBB ...................................................................................... 201
3.3.4 Lever paper end, Lever paper near end.......................................... 202
3.3.5 Motor ............................................................................................... 203
3.3.6 Connector (IMSA-9714N-14B), Connector (IMSA-9714N-14A)...... 204
3.3.7 Frange pulley, pulley Idle, Mini pitch belt, Plate Earth shaft,
Gear double, Tray switch assy .................. 205
3.3.8 Roller feed....................................................................................... 206
3.3.9 Bracket sub roller ............................................................................ 207
3.3.10 Frame side (L) assy ........................................................................ 208
3.3.11 Frame side (R) assy........................................................................ 209
4. TROUBLESHOOTING............................................................................................... 210
4.1 Precautions Prior to the Troubleshooting ..................................................... 210
4.2 Preparations for the Troubleshooting ........................................................... 210
4.3 Troubleshooting Method............................................................................... 211
4.3.1 LCD Status Message List................................................................ 211
4.3.2 Troubleshooting Flow...................................................................... 212
5. CONNECTION DIAGRAM ......................................................................................... 213
5.1 Interconnection Diagram .............................................................................. 213
5.2 PCB Layout .................................................................................................. 214
6. PARTS LIST .............................................................................................................. 215
APPENDIX D MULTI FEEDER MAINTENANCE................................................ 218
1. OUTLINE ................................................................................................................... 218
1.1 Functions ...................................................................................................... 218
1.2 External View and Component Names......................................................... 218
2. MECHANISM DESCRIPTION ................................................................................... 219
2.1 General Mechanism ..................................................................................... 219
2.2 Hopper Mechanism ...................................................................................... 219
3. PARTS REPLACEMENT ........................................................................................... 220
3.1 Precautions Concerning Parts Replacement................................................ 220
3.2 Parts Layout ................................................................................................. 222
40930701TH DRAFT Vesion 6 /
3.3 Parts Replacement Methods ........................................................................ 223
3.3.1 Separator ........................................................................................ 224
3.3.2 AOLE-PCB ...................................................................................... 225
3.3.3 Square-shaped connector............................................................... 226
3.3.4 Hopping Motor................................................................................. 227
3.3.5 Planet gear...................................................................................... 228
3.3.6 Roller B ........................................................................................... 229
3.3.7 Roller A ........................................................................................... 230
3.3.8 Mini pitch belt & Feed roller............................................................. 231
4. TROUBLESHOOTING............................................................................................... 232
4.1 Precautions Prior to the Troubleshooting ..................................................... 232
4.2 Preparations for the Troubleshooting ........................................................... 232
4.3 Troubleshooting Method............................................................................... 232
4.3.1 LCD Status Message List................................................................ 233
4.3.2 Troubleshooting Flow...................................................................... 234
5. CONNECTION DIAGRAM ......................................................................................... 235
5.1 Interconnection Diagram .............................................................................. 235
5.2 PCB Layout .................................................................................................. 235
6. PARTS LIST .............................................................................................................. 236
40930701TH DRAFT Vesion 7 /
1. CONFIGURATION
1.1 System Configuration
OKIPAGE24DX / OKIPAGE24dx consists of control and engine blocks as the standard configu-
ration (See Figure 1-1.)
In addition, the following options are also available.
Printer
Operator
panel Face down
stacker Face up
stacker
Power
supply
unit
DC Fan
Main control
PC etc.
Centronics
Parallel interface
(Bidirection)
OKI HSP
interface board
(Option)
LAN etc.
Extension D-RAM
SIMM
(Option)
4MB/ 8MB
Flash ROM SIMM
(Option)
: Paper feeding
: Singal flow
*: Consumables
: produced by third vender
High Capacity
Second Paper
Feeder
(Option)
High Capacity
Third Paper
Feeder
(Option)
Multi Feeder
(Option)
Duplex Unit
Paper size
detection switch
Paper tray
LED head
Motor-Main
Hopping motor
Front Feeder
Printer
Mechanism
I/D unit *
*
AC IN
120V
230V
Toner Cartridge
RS-232C
Serial I/F
Figure 1-1
40930701TH DRAFT Vesion 8 /
1.2 Printer Configuration
The printer unit consists of the following hardware components:
• Electro-photographic processor
• Paper feeder
• Controller
• Operator panel
• Power supply unit
• Duplex Unit
Figure 1-2 shows the printer unit configuration.
Figure 1-2
Face-up stacker Assy
Cover-Rear
Cover-Frame
Heat Assy
Stacker Assy
Cover-Side(R)
I/D Unit
Manual Feed Assy
Base Unit
Cover-Side(L) Assy
Contact Assy
Frame-OP panel Assy Cover-Side(I/F)
Plate-Shield
40930701TH DRAFT Vesion 9 /
1.3 Optional Configuration
The options below are available for use with OKIPAGE24DX / OKIPAGE24dx. They are sold
separately from the printer unit.
(1) Multi Feeder
(2) Second/ Third Paper Feeder
(3) D-RAM SIMM module (72 pin SIMM, 16 MB/32 MB, EDO SIMM type)
See 7.2 (1) for where
to install.
40930701TH DRAFT Vesion 10 /
(4) Flash ROM module (72 pin SIMM, 4MB/8MB)
See 7.2 (1) for where
to install.
Other manuals for OKIPAGE24DX
1
Table of contents
Other Oki Printer manuals
Oki
Oki MPS9650c Service manual
Oki
Oki C5100n Original instructions
Oki
Oki C3400n User manual
Oki
Oki C 9400 User manual
Oki
Oki 62431105 User manual
Oki
Oki Microline 3410 User manual
Oki
Oki B710dn Installation instructions
Oki
Oki C7350hdn User manual
Oki
Oki OKIPAGE 8z Specification sheet
Oki
Oki C8800 series Service manual
