Ricoh FT5535 Service Manual page 217

3.6 SC CODE DESCRIPTIONS
E101: Exposure lamp error
- Definition - [A]
The exposure lamp stays on for longer than 10 seconds. The temperature
around the optics reflector reaches 121°C.
- Possible causes -
•
Exposure lamp open
•
Exposure lamp thermofuse open
E103: Frequency detection error
- Definition - [B]
The ac drive board (50/60Hz) did not receive a frequency in the
45 ~ 65 Hz range.
- Possible causes -
•
Abnormal power supply
•
Noise interference
E120: Scanner home position error 1
- Definition - [B]
The scanner home position sensor remains de-actuated for 7.5 seconds
after the scanners start moving from the return position.
- Possible causes -
•
Scanner home position sensor failure
•
CN114 on the main board not connected correctly
•
Incorrect scanner wire position
E121: Scanner home position error 2
- Definition - [B]
The scanner home position sensor remains actuated for 0.5 seconds after the
scanner starts.
- Possible causes -
•
Scanner home position sensor failure
•
Defective scanner drive motor
•
CN114 on the main control board not connected correctly
•
Incorrect scanner wire position
FT5535/4527/4522 6-30 FSM