Jam Detection - Oki MC860 Maintenance Manual

Oki Data CONFIDENTIAL

2.3.1.5 Jam detection

Jam
Document jam is detected by the sensors shown in the illustration. Check timing of the
document jam detection has already been memorized in the ROM of the image processor
circuit PCB beforehand so that jam occurrence can be judged from the information if a
document exits or not, at the corresponding sensor block.
When jam occurs, the connected equipment memorizes the contents of the jam as a jam
code. The jam code of the MFP can be checked by outputting the jam error history report by
the service mode of the connected equipment.
PI10
PI11
PI7
PI6
PI8
PI6: Unload paper inversion sensor
PI7: Read sensor
PI8: Regist paper sensor
PI10: Cover open/close sensor
PI11 Document set sensor
43967002TH Rev.1
2.3.1.6 Power supply
Power supply
Overview of the power supply is shown in the illustration below The power supply block of the
MFP receives the power supply of two systems that are 24 V power supply and 3.3 V power
supply.
24V
Connected
equipment
3.3V
ADF driver circuit PCB
2. Theory of Operation
24V
3.3V
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