Ricoh MP C407 - Page 446

SC5xx: Paper Feed and Fusing
440
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
when:
• The machine starts warming up.
• The machine returns from energy saver mode.
• The fusing lamp is activated.
• Dirty or deformed thermopile lenses
• Input voltage out of specification (out of warranty)
• Fuse blown out
1. Check the power supply voltage (Reconnect the power cord).
2. Check and clean the thermopile lenses or replace the fusing thermopile.
3. Replace the fusing unit.
4. Replace the BiCU.
5. Replace the PSU (AC).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)
SC542-12 D Fusing thermopile cannot reload (low power)
Fusing temperature failed to reach a temperature of 80 degrees C after passing seven seconds
when:
• The machine starts warming up.
• The machine returns from energy saver mode.
• The fusing lamp is activated.
SC542-13 D Fusing thermopile cannot reload (low power)
Fusing temperature failed to reach the reload permit temperature after passing eight seconds
when:
• The machine starts warming up.
• The machine returns from energy saver mode.
• The fusing lamp is activated.
• Dirty or defective thermopile lenses
• Thermopile modification/float
• Input voltage out of specification (out of warranty)
• Thermostat blown out.
1. Check the power supply voltage (Reconnect the power cord).
2. Check and clean the thermopile lenses or replace the fusing thermopile.
3. Replace the fusing unit.
4. Replace the BiCU.
5. Replace the PSU (AC).
No. Type Details (Symptom, Possible Cause, Troubleshooting Procedures)