40931201TH Rev. 4
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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-FFH) ............................................................................ 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
2.3.3
Process operation descriptions .................................................................... 28
2.3.4
Revision of LED Head Illumination ............................................................... 38
2.4
Paper Jam Detection ................................................................................................. 46
2.5
Cover Open ................................................................................................................ 47
2.6
Toner Low Detection .................................................................................................. 48
2.7
Stacker-full Detection ................................................................................................. 50
2.8
Page Size Detection .................................................................................................. 50
3. PARTS REPLACEMENT ............................................................................. 51
3.1
Precautions for Parts Replacement ........................................................................... 51
3.2
Parts Layout ............................................................................................................... 53
3.3
How to Change Parts ................................................................................................. 56
3.3.1
Face -up Stacker Assy ................................................................................. 57
3.3.2
Contact Assy ................................................................................................ 58
3.3.3
DC Fan Motor ............................................................................................... 59
3.3.4
OP Panel Assy ............................................................................................. 60
3.3.5
Board-FFH .................................................................................................... 61
3.3.6
Stacker Assy, Damper Arm, Cover Rear ..................................................... 62
3.3.7
Sensor Stacker Full ...................................................................................... 63
3.3.8
Cable cover (guide film) ................................................................................ 64
3.3.9
Damper ......................................................................................................... 65
3.3.10 Feeder Unit-Front ......................................................................................... 66
3.3.11 Roller Assy-Regist ....................................................................................... 67
3.3.12 Motor -Main .................................................................................................. 68
3.3.13 Guide Assy-Eject .......................................................................................... 70
3.3.14 Heat Assy ..................................................................................................... 71
3.3.15 Roller feed (C) ............................................................................................. 72
3.3.16 Roller Assy-BK ............................................................................................. 73
3.3.17 Roller Assy-Feed .......................................................................................... 74
3.3.18 LED Head ..................................................................................................... 75
3.3.19 Paper cassette, ROLLER Ass-Feed, ROLLER-Assy-Hoppibg ..................... 76
3.3.20 Frame Assy-Separation ................................................................................ 77
3.3.21 Transfer Roller/TR Gear/TR Bearing ............................................................ 78
3.3.22 EP lock shaft ................................................................................................. 79
3.3.23 LEVER Assy- Out Sensor ............................................................................. 80
3.3.24 Toner sensor lever ........................................................................................ 81
3.3.25 Paper sensor lever ....................................................................................... 82
3.3.26 Inlet sensor lever .......................................................................................... 83
3.3.27 Power supply unit ......................................................................................... 84
Summary of Contents for OKIPAGE18
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