Ricoh D146 Service Manual page 486

Service Call 101-195
SC No. Level
SC120-00 D
D146/D147/D148/D149/D150
Error Name/Error Condition/Major Cause/Solution
Scanner Home Position Error 1
The scanner home position sensor does not go OFF.
Details:
Error detection timing
§
During homing (when the machine is turned ON or when it
returns from energy save mode)
§
During an automatic adjustment (when the machine is
turned ON or when it returns from energy save mode)
§
During a scan from the ADF or exposure glass.
§
Scanner motor driver defective
§
Scanner motor defective
§
Scanner HP sensor defective
§
Harness defective
§
Timing belt, pulley, wire, or carriage not installed correctly
Replace the following parts:
§
Replace the HP sensor
§
Replace the scanner motor
§
Replace the harness.
5-12 SM