2. STRUCTURE OF THE CONTROL SYSTEM
..............................................
IV-27
2.1 Basic Structure
.................................................................................................................
IV-27
2.2 Control System
.................................................................................................................
IV-36
2.3 Main PCB (Video Controller PCB)
....................................................................................
IV-46
2.4 Power Supply Unit
............................................................................................................
IV-58
2.5 High Voltage Power Supply Unit
......................................................................................
IV-61
2.6 Wiring Diagram
.................................................................................................................
IV-64
CHAPTER V CONTROL PANEL OPERATION
..............................
V-1
1. PANEL LAYOUT
.............................................................................................
V-1
2. VIDEO CONTROLLER MODE
.......................................................................
V-2
2.1 Configuration of Operational Mode
.....................................................................................
V-2
2.2 Toner Save Mode / Power Save Mode
...............................................................................
V-3
2.3 Line Test Mode
...................................................................................................................
V-4
2.4 DRAM Test Mode
................................................................................................................
V-8
2.5 Program Version Display Mode
..........................................................................................
V-9
2.6 Test Print Mode
.................................................................................................................
V-10
2.7 NVRAM Reset Mode
.........................................................................................................
V-10
3. ENGINE CONTROLLER MODE
...................................................................
V-11
3.1 Configuration of Operational Mode
...................................................................................
V-11
3.2 Operation of Normal Mode
................................................................................................
V-13
3.3 Service Mode
....................................................................................................................
V-19
3.4 Adjustment Work Procedures
...........................................................................................
V-39
CHAPTER VI PERIODIC MAINTENANCE
.....................................
VI-1
1. GENERAL
......................................................................................................
VI-1
1.1 Handling Precautions
.........................................................................................................
VI-1
1.2 Periodic Maintenance Cleaning
..........................................................................................
VI-4
1.3 Periodic Maintenance Parts and Maintenance Cycle
.......................................................
VI-15
2. PERIODIC MAINTENANCE PROCEDURES
..............................................
VI-18
2.1 OPC Belt Cartridge Replacement
....................................................................................
VI-18
2.2 Fusing Unit Replacement
.................................................................................................
VI-20
2.3 Transfer Roller Replacement
...........................................................................................
VI-22
2.4 Paper Discharger Unit Replacement
................................................................................
VI-24
2.5 Drum Cleaner Replacement
.............................................................................................
VI-26
2.6 Ozone Filter Replacement
...............................................................................................
VI-28
2.7 Paper Feed Roller and Separator Pad Replacement
.......................................................
VI-29
2.8 Transfer Drum Replacement
............................................................................................
VI-30