Table of Contents
1.1 Product Description ..............................................................................................................................1-1
1.2 Specifications........................................................................................................................................1-2
2.2 Main Control PCB .................................................................................................................................2-3
2.4 Power Supply Unit (PSU) .....................................................................................................................2-5
2.5 Sensors.................................................................................................................................................2-6
2.5.1 Sensor Locations...........................................................................................................................2-6
2.5.2 Sensor Descriptions ......................................................................................................................2-7
2.6.1 ADF Detection ...............................................................................................................................2-8
2.7 Recording Section ..............................................................................................................................2-11
2.8 Image Processing ...............................................................................................................................2-12
2.8.1 Drum Charge...............................................................................................................................2-12
2.8.2 Drum Exposure ...........................................................................................................................2-12
2.8.3 Development ...............................................................................................................................2-13
2.8.4 Image Transfer ............................................................................................................................2-13
2.8.5 Erasing ........................................................................................................................................2-14
2.8.6 Cleaning ......................................................................................................................................2-14
2.8.7 Fusing..........................................................................................................................................2-15
3.3 Memory Switch Adjustment ................................................................................................................3-60
3.5 All RAM Clear .....................................................................................................................................3-84
3.7 Unique Switch Adjustment..................................................................................................................3-89
3.8 T.30 Monitor.....................................................................................................................................3-110
3.8.1 Print T.30 Monitor ......................................................................................................................3-110
3.8.2 Multi T.30 Monitor......................................................................................................................3-110
3.9 Printer maintenance mode................................................................................................................3-115
3.10 Service Report Printing...................................................................................................................3-116
3.11 Monitor speaker ..............................................................................................................................3-126
3.12 Test Modes .....................................................................................................................................3-126
3.12.1 Life Monitor..............................................................................................................................3-127
3.12.2 Printer Test..............................................................................................................................3-128
3.12.3 Feeder test ..............................................................................................................................3-129
3.12.4 Port Status...............................................................................................................................3-129
3.12.5 Set Background Level .............................................................................................................3-129
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