Ricoh HL-F1 Field Service Manual page 217

M-13 Error indication when turning the power ON
Possible cause and Remedy
1. Disconnection of the main motor harness
• Is the harness of the main motor connected?
No: Reconnect the harness securely.
2. Disconnection of the scanner motor harness
• Is the harness of the scanner motor connected?
No: Reconnect the harness securely.
3. Fixing unit failure
• Does the printer resume after opening the cover, turning the power ON and leaving the printer
for ten minutes?
No: Replace the thermistor.
M-14 The machine stops while idling.
Possible cause and Remedy
1. Front cover failure
• Is the cover opened by vibration during idling?
Yes: Replace the front cover.
2. New toner detection switch failure
• Does the new toner detection switch work correctly?
No: Replace the new toner detection switch.
3. Drum unit terminal failure
• Are the terminals of the drum unit dirty?
Yes: Clean the terminals.
4. Laser unit failure
• Does the laser unit work correctly?
No: Replace the laser unit.
Troubleshooting Guide
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