Ricoh SP 330DN - Page 187

6.Troubleshooting
175
No.
Type
Error Name/Error Condition/Major Cause/Solution
03
The fusing unit does not attain reload temperature within a predetermined time
after the fusing temperature control starts.
 Defective fusing lamp
 The overheat protection mechanism started working
1. Reset the SC.
2. Replace the fusing unit.
3. Replace the drawer harness.
4. Replace the PSU.
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC543
A
High temperature error (soft)
The detected temperature stays at 235°C for 0.5 second, and this consecutively
occurs 10 times.
 Defective main board
 Defective PSU
1. Reset the SC.
2. Replace the main board.
3. Replace the PSU.
4. Replace the fusing unit.
5. Replace the drawer harness.
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC544
A
High temperature error (hard)
The detected temperature stays at 250°C for 0.2 second, and this consecutively
occurs 4 times.
 Defective main board
 Defective PSU
 Defective fusing unit
1. Reset the SC.
2. Replace the fusing unit.
3. Replace the drawer harness.
4. Replace the PSU.
No.
Type
Error Name/Error Condition/Major Cause/Solution
SC545
A
Fuser full heater error
The fuser full heater remained ON at full capacity for more than 9 seconds after the
fusing temperature attains reload temperature.