Ricoh D146 Service Manual page 513

SC No. Level
SC493-00 D
SC No. Level
SC497-00 C
SM
Error Name/Error Condition/Major Cause/Solution
High voltage power source: DS development: output error
"HVP:DS:output error detection signal" is detected "0"
(abnormal) for 10 times consecutively (for 200ms) during output
of the PWM signal used as an error detection target
§
Leak harness fault
§
Unit fault
§
High voltage power source fault
§
Turn the power off/on
§
Reset or replacement the harness of high voltage power
supply feed path
§
Reset or replace the unit
§
Replace the high voltage power source
Error Name/Error Condition/Major Cause/Solution
Machine temperature detection thermistor error
Temperature sensor output error: Below 0.56V (90 degrees or
more), or above 3.0V (below -18 degrees)
§
Connector disconnection or broken
§
Sensor defective
§
Check the sensor setting
§
Replace the imaging temperature sensor (thermistor)
5-39
Service Call 441-498
D146/D147/D148/D149/D150