Ricoh D146 Service Manual page 510

Service Call 441-498
SC No. Level
SC444-00 C
SC No. Level
SC452-00 D
D146/D147/D148/D149/D150
Error Name/Error Condition/Major Cause/Solution
Image transfer phase sensor error
Phase sensor signal does not become L->H or H->L for 1.2 sec
(time to perform 1.5 or more rotations even when transfer gear is
at minimum speed) during motor ON, an image transfer phase
sensor error log SC is displayed.
§
Sensor dirt
§
Sensor defective
§
Connector disconnected
§
Harness broken
§
Clean the sensor
§
Replace the sensor
§
Reset the connector
§
Check the harness
Error Name/Error Condition/Major Cause/Solution
Paper transfer contact motor error
Paper transfer contact motor: position sensor cannot detect the
sensor filler state within the predetermined time (see below)
even if the paper transfer contact motor is rotated.
§
Contact operation: If not detected in 2000msec
§
Home position operation: If not detected in 5000msec
Signal detection sampling period: 10msec
§
Sensor dirt
§
Sensor defection
§
Motor defection
§
Unit load large
§
Replace the contact drive unit
§
Replace the image transfer unit
§
Check the harness
5-36 SM