Ricoh SP 330DN Field Service Manual page 189

No. Type
4.
No. Type
SC552 A Fuser reload error (non-contact thermistor)
The fusing temperature rises 1°C or less in 1.5 seconds; and this continues 5 times
consecutively.


1.
2.
3.
4.
No. Type
SC553 A High temperature error (soft) (non-contact thermistor)
The detected temperature stays at 220°C for 0.5 second, and this consecutively
occurs 10 times.


1.
2.
3.
4.
5.
No. Type
SC554 A High temperature error (hard) (non-contact thermistor)
The detected temperature stays at 228°C for 0.2 second, and this consecutively
occurs 4 times.



1.
2.
3.
4.
Error Name/Error Condition/Major Cause/Solution
Replace the PSU.
Error Name/Error Condition/Major Cause/Solution
Defective or deformed non-contact thermistor
Incorrect power supply input at the main power socket
Reset the SC.
Replace the fusing unit.
Replace the drawer harness.
Replace the PSU.
Error Name/Error Condition/Major Cause/Solution
Defective main board
Defective PSU
Reset the SC.
Replace the main board.
Replace the PSU.
Replace the fusing unit.
Replace the drawer harness.
Error Name/Error Condition/Major Cause/Solution
Defective main board
Defective PSU
Defective fusing unit
Reset the SC.
Replace the fusing unit.
Replace the drawer harness.
Replace the PSU.
6.Troubleshooting
177