ii
2.4.6
Toner Auger ............................................................................................. II-18
2.4.7
Erase Lamp .............................................................................................. II-18
2.5
Print Process .......................................................................................................... II-18
2.5.1
Charging ................................................................................................... II-18
2.5.2
Exposure Stage ........................................................................................ II-19
2.5.3
Developing ............................................................................................... II-20
2.5.4
Transfer .................................................................................................... II-20
2.5.5
Drum Cleaning Stage ............................................................................... II-21
2.5.6
Erasing Stage ........................................................................................... II-21
CHAPTER III
DISASSEMBLY AND REASSEMBLY
1
SAFETY PRECAUTIONS ................................................................................................. III-1
2
DISASSEMBLING FLOW ................................................................................................. III-2
3
DISASSEMBLING PROCEDURE ..................................................................................... III-3
3.1
Multi-purpose Paper Tray ........................................................................................ III-3
3.2
Process Unit ............................................................................................................ III-3
3.3
Top Cover ................................................................................................................ III-4
3.4
Main Cover .............................................................................................................. III-5
3.5
Upper Shoot Cover .................................................................................................. III-6
3.6
Fixing Unit ................................................................................................................ III-6
3.7
Scanner Unit ............................................................................................................ III-7
3.8
Fan Guard................................................................................................................ III-7
3.9
Interlock Levers ....................................................................................................... III-8
3.10 Fan Motor ................................................................................................................ III-8
3.11 Registration Sensor PCB ......................................................................................... III-8
3.12 Solenoid P ............................................................................................................... III-9
3.13 Gear Shaft Plate ...................................................................................................... III-9
3.14 Gears
................................................................................................................ III-10
3.15 Main Motor Unit ..................................................................................................... III-11
3.16 Solenoid C ............................................................................................................. III-11
3.17 Main PCB ............................................................................................................... III-12
3.18 Base Plate ............................................................................................................. III-12
3.19 Driver PCB ............................................................................................................. III-14
3.20 Power Supply PCB ................................................................................................ III-14
3.21 High-voltage Power Supply ................................................................................... III-15
3.22 Tray Extention ........................................................................................................ III-15
3.23 Paper Eject Tray .................................................................................................... III-16
3.24 Filter Cover ............................................................................................................ III-16
4
PACKING
................................................................................................................ III-17
CHAPTER IV
TROUBLE SHOOTING
1
INTRODUCTION ............................................................................................................... IV-1
1.1
Initial check .............................................................................................................. IV-1
1.2
Basic Procedure ...................................................................................................... IV-2
2
IMAGE DEFECTS ............................................................................................................. IV-3
2.1
Image Defect Example ............................................................................................ IV-3
2.2
Troubleshooting Image Defect ................................................................................. IV-4
3
TROUBLESHOOTING OF MALFUNCTIONS................................................................. IV-12
4
INSPECTION MODE ....................................................................................................... IV-17
4.1
Inspection mode 1 .................................................................................................IV-17
4.2
Inspection Pattern 1 ...............................................................................................IV-17
4.3
Inspection mode 2 .................................................................................................IV-19
4.4
Initialization of NV-RAM ......................................................................................... IV-19
4.5
Error codes ............................................................................................................ IV-20
