Service Call 441-498
D146/D147/D148/D149/D150 5-36 SM
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC444-00 C 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
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC452-00 D 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
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