CONTENTS
1. CONFIGURATION ..................................................................................... 1 - 1
1.1 System Configuration ........................................................................ 1 - 1
1.2 Printer Configuration.......................................................................... 1 - 2
1.3 Optional Configuration ....................................................................... 1 - 3
1.4 Specification ...................................................................................... 1 - 5
1.5 Safety Standards ............................................................................... 1 - 7
1.5.1 Certification Label.................................................................................... 1 - 7
1.5.2 Warning Label .........................................................................................1 - 8
1.5.3 Warning/Caution Marking ........................................................................ 1 - 9
2. OPERATION DESCRIPTION .................................................................... 2 - 1
2.1 Control Board..................................................................................... 2 - 4
2.2 PS Board ........................................................................................... 2 - 6
2.3 RAM Board ........................................................................................ 2 - 7
2.4 Power Supply Board .......................................................................... 2 - 8
2.5 Electrophotographic Process............................................................. 2 - 10
2.5.1 Electrophotographic Process Mechanism ............................................... 2 - 10
2.5.2 Electrophotographic Process .................................................................. 2 - 13
2.5.3 Process Operation Descriptions ..............................................................2 - 16
2.6 Paper Jam Detection ......................................................................... 2 - 27
2.7 Cover Open ....................................................................................... 2 - 30
2.8 Toner Low Detection.......................................................................... 2 - 31
3. PARTS REPLACEMENT........................................................................... 3 - 1
3.1 Precautions for Parts Replacement ................................................... 3 - 1
3.2 Parts Layout....................................................................................... 3 - 3
3.3 How to Change Parts......................................................................... 3 - 6
3.3.1 Upper Cover ............................................................................................ 3 - 7
3.3.2 Stacker ....................................................................................................3 - 8
3.3.3 LED Head ................................................................................................ 3 - 9
3.3.4 Eject Roller Assy ..................................................................................... 3 - 10
3.3.5 Pulse Motor (Main) .................................................................................. 3 - 11
3.3.6 Pulse Motor (Registration) ....................................................................... 3 - 12
3.3.7 Lower Base Unit ...................................................................................... 3 - 13
3.3.8 Motor Assy .............................................................................................. 3 - 14
3.3.9 Hopping Roller Assy ................................................................................3 - 15
3.3.10 Stacker Cover Assy ................................................................................. 3 - 16
3.3.11 Registration Roller ................................................................................... 3 - 17
3.3.12 Transfer Roller ......................................................................................... 3 - 18
3.3.13 Fusing Unit Assy ..................................................................................... 3 - 19
3.3.14 Back-up Roller .........................................................................................3 - 20
3.3.15 Sensor Plate (Inlet) .................................................................................. 3 - 21
3.3.16 Toner Sensor (Adhesion) ........................................................................ 3 - 22
3.3.17 Sensor Plate (Outlet) ............................................................................... 3 - 23
3.3.18 Manual Feed Guide Assy ........................................................................ 3 - 24
3.3.19 Sensor Plate (Paper Supply) ................................................................... 3 - 25
3.3.20 Main Control PCB.................................................................................... 3 - 26
3.3.21 Power Supply Board and Contact Assy .................................................. 3 - 27
