Ricoh SP 1200S Service Manual Page 321

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  • TROUBLESHOOTING
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Error Cause
SM 6-19 M085/M086
Trouble –
shooting
Error code 7B
Print Unable 7B
See Troubleshooting and routine maintenance chapter in User’s Guide.
Main PCB failure
Step Cause Remedy
1 Main PCB failure Replace the main PCB ASSY.
Error code 7D
Drum Error
Open the front cover, then clean the corona wire of drum unit according
to the label.
Dirt on drum unit
User Check
Clean the corona wire of the drum unit.
Replace the drum unit with a new one.
Step Cause Remedy
1 Dirt or dust on drum unit electrodes Clean the electrodes on the drum
unit. (
p.6-21 "Electrodes
location on the drum unit")
2 HVPS PCB failure Replace the HVPS PCB ASSY.
3 Main PCB failure Replace the main PCB ASSY.
Error code 7F
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