Ricoh SAVIN D0AP Service Manual page 475

SC No. Type
2.
3.
4.
5.
SC552-03 A No reload temperature (timeout at end of the hot roller)
The fusing unit did not reach the reload temperature within 18.6 sec. after the
start of fusing temperature control.
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•
•
•
1.
2.
3.
4.
5.
SC No. Type
SC553-00 A High-temperature software error (end)
245°C was detected continuously for 1 sec.
•
•
•
1.
2.
3.
4.
SC No. Type
SC554-00 A High-temperature (end) hardware error
The temperature at the center of the hot roller was less than 250°C, and the
SM
Error Name/Error Condition/Major Cause/Solution
to recover normal operation.
Replace the fusing lamps.
Replace the fusing thermostats (TH3, TH4).
If the problem is low voltage, ask the client to connect the machine
directly to a rated power source and to refrain from using extension
cords.
Replace the fusing thermistor (TH1).
Fusing lamp (end) disconnected
Overheating protection device triggered (blown fusing thermostat)
Power supply voltage low
Fusing thermistor (TH1) output abnormal
Release the SC code in the SP mode, and then cycle the machine off/on
to recover normal operation.
Replace the fusing lamps.
Replace the fusing thermostats (TH3, TH4).
If the problem is low voltage, ask the client to connect the machine
directly to a rated power source and to refrain from using extension
cords.
Replace the fusing thermistor (TH1).
Error Name/Error Condition/Major Cause/Solution
TRIAC short
Engine board defective
Fusing thermistor (TH1) defective
Release the SC code in the SP mode, and then cycle the machine off/on
to recover normal operation.
If TRIAC damaged, replace PSU.
Replace the engine board (Printer: BCU, MF: SCB).
Replace the fusing thermistor (TH1).
Error Name/Error Condition/Major Cause/Solution
6-29 D0AP/D0C4/D0C5/D0C6/M0BQ/M0D1
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