Service Call 501-584
SM 5-71 D146/D147/D148/D149/D150
SC No. Level Error Name/Error Condition/Major Cause/Solution
SC548-00 A Fusing Rotation Detection
During heating, there is no input to the edge of the rotation
sensor (t7) ms.
§ Motor defective
§ Sensor defective
§ Sensor actuator/feeler modification/defective
§ Replace the motor
§ Replace the sensor
§ Replace the actuator/feeler
§ Replace the fusing unit
SC No. Level Error Name/Error Condition/Major Cause/Solution
549-01 D Shield Operation Error Detection
During HP detection operation, shield sensors 1 and 2 detect
"High" for (t30) seconds continuously.
549-02 D Shield Operation Error Detection
During shield basic operation, shield sensor 2 does not go "Low
> High" even if (t31) seconds elapsed from screen motor rotation
start.
549-03 D Shield Operation Error Detection
During shield basic operation, shield motor does not stop even if
(t32) seconds elapsed from rotation start.
549-04 D Shield Operation Error Detection
During HP detection operation, HP detection fails 3 times
consecutively.
§ Motor defective
§ Sensor defective
§ Sensor actuator/feeler modification/defective
§ Shield modification/defective
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