Ricoh SP 1200S Service Manual Page 324

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Error Cause
M085/M086 6-22 SM
2. Grid
3. Cleaner
4. Transfer roller
5. Exposure drum
6. Develop roller
7. Charged electrode
<How to clean the electrodes>
Turn off the power switch. Unplug the machine from the AC power outlet, and leave the
machine for a few minutes. Then, wipe the electrodes above carefully with a dry lint-free cloth.
Be careful not to change the shapes of the electrodes.
Error code 84 (Jam Rear)/ 88 (Jam Inside)
Error code 84 (Jam Rear)
Jam Rear
Open the Back Cover and remove the jammed paper.
Paper jam in the rear of the machine (It is detects by the eject sensor)
Error code 88 (Jam Inside)
Jam Inside
Open the Front Cover, pull out the Drum Unit completely and remove
the jammed paper.
Paper jam inside the machine (It is detects by the registration rear sensor)
User Check
Check if the paper is jammed. If there is any jammed paper, remove it.
Step Cause Remedy
1 Harness connection failure of
registration front sensor PCB
ASSY, registration rear sensor
PCB ASSY or paper eject
sensor PCB ASSY
Check the harness connections
of the registration front sensor
PCB ASSY, registration rear
sensor PCB ASSY and paper
eject sensor PCB ASSY, and
reconnect them.
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