Ricoh SAVIN D0AP Service Manual page 464

SC No. Type
3.
4.
5.
6.
7.
8.
SC No. Type
SC497-00 D Image creation thermistor (TH5) error
The output of the image creation thermistor (TH5) is out of the following
range.
•
•
•
•
Check if the SC occurs by turning the power OFF then ON. If the SC occurs
again, do the following steps. Check if the SC reoccurs by cycling the power
after each step.
1.
2.
3.
4.
D0AP/D0C4/D0C5/D0C6/M0BQ/M0D1
Error Name/Error Condition/Major Cause/Solution
PCDU.
Reconnect the CN220 connector on engine board (Printer: BCU, MF:
SCB).
Reconnect the CN800 connector on HVPS.
Re-install the HVPS.
Replace the HVPS.
Replace the engine board (Printer: BCU, MF: SCB).
Replace the harnesses on HVPS.
Error Name/Error Condition/Major Cause/Solution
70°C or more
-20°C or less
Loose, broken, defective connector or harness defective
Image creation thermistor (TH5) defective
Reconnect the image creation thermistor (TH5) connector.
Replace the image creation thermistor (TH5).
Replace the image creation thermistor (TH5) harness.
Replace the engine board (Printer: BCU, MF: SCB).
6-18
Service Call
SM