41260201TH Draft
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CONTENTS
1.
CONFIGURATION ......................................................................................... 6
1.1
System Configuration ............................................................................... 6
1.2
Printer Configuration ................................................................................. 7
1.3
Specification ............................................................................................. 8
1.4
Safety Standards ...................................................................................... 10
1.4.1
Certification Label ............................................................................................ 10
1.4.2
Warning Label ................................................................................................. 10
2.
OPERATION DESCRIPTION ......................................................................... 11
2.1
Main Control Board ................................................................................... 13
2.2
Power Supply Unit .................................................................................... 14
2.3
High-Voltage Power Supply Board ........................................................... 14
2.4
Electro-Photographic Processor ............................................................... 16
2.5
Electro-Photographic Process .................................................................. 20
2.5.1
Explanation of Each Process Operation .......................................................... 22
2.6
Paper Jam Detection ................................................................................ 27
2.7
Toner Low Detection................................................................................. 29
2.8
Cover Open .............................................................................................. 31
2.9
Detecting I/D Unit existence ..................................................................... 31
3.
PARTS REPLACEMENT ............................................................................... 34
3.1
Precautions for Parts Replacement .......................................................... 34
3.2
Parts Layout .............................................................................................. 36
3.3
Replacing Parts ........................................................................................ 39
3.3.1
Hopper Plate ................................................................................................... 39
3.3.2
LED Head and Head Spring ............................................................................ 40
3.3.3
Transfer Roller ................................................................................................. 41
3.3.4
How to remove Cover Upper Assy .................................................................. 42
3.3.5
Upper Cover Assy ........................................................................................... 43
3.3.6
High-Voltage Power Supply Board (P2H) ....................................................... 44
3.3.7
Top Cover Assy and Flat Cable Assy .............................................................. 45
3.3.8
Paper Holder ................................................................................................... 46
3.3.9
Side Plate M and Idle Gear ............................................................................. 47
3.3.10
Heat Assy ........................................................................................................ 48
3.3.11
Drive Shaft E (Eject) and Eject Roller ............................................................. 49
3.3.12
Pressure Roller B (Back Up Roller) ................................................................. 50
3.3.13
Separator Guide .............................................................................................. 51
3.3.14
Pulse Motor (Main) .......................................................................................... 53
3.3.15
Hopping Shaft Assy ......................................................................................... 54
3.3.16
Regist Roller .................................................................................................... 55
3.3.17
Paper Sensor E, Paper Sensor Exit and Toner Sensor Assy ......................... 56
3.3.18
Base Plate ....................................................................................................... 57
4.
ADJUSTMENT ............................................................................................... 58
4.1
Adjustment Types and Functions ............................................................. 58
4.1.1
Printer Driver ................................................................................................... 58
4.1.2
Engine Maintenance Utility .............................................................................. 58