Ricoh D146 Service Manual page 543

SC No. Level
SC545-00 A
SM
Error Name/Error Condition/Major Cause/Solution
Fusing central heater continuously Heat
After waiting for full power for more than (t6) seconds
continuously, not detected for (t8) seconds.
§
Definition of heater full power
Continuously heating rate set point (maximum heating rate)
§
Measurement start point
After reload (after heater extinguished, after rotation
complete) below the standby temperature (target
temperature), measurement starts after a heater heat-up
request is issued.
§
Measurement stop condition
Rotation started due to a print signal during measurement or
other.
§
Maximum heat-up Duty (SP interlinked value) 0% is
excluded.
§
Thermistor deformation/float
§
Heater disconnection
§
After excessive temperature rise prevention unit operates
§
Replace the thermistor
§
Replace the fusing lamp
§
Replace the fusing unit
5-69
Service Call 501-584
D146/D147/D148/D149/D150