Ricoh D017 Service Manual page 379

Service Call Conditions
Scanner home position error 1
120 D
The scanner HP sensor did not turn off during scanner initialization or
copying.
Scanner home position error 1
121 D
The scanner HP sensor did not turn on during scanner initialization or
copying.
Scanner motor harness loose, broken, defective at scanner motor or at
BCU
Scanner HP sensor harness, loose, broken, defective at HP sensor or
at BCU
Scanner motor or motor driver board defective
Scanner motor drive board defective
Scanner HP sensor defective
BCU defective
Black level correction error
141 D
Black level correction could not be set
properly during automatic adjustment.
D017/D018/D019/D020/D084/D085
Harnesses at the SBU, IPU,
BCU loose, broken, defective.
SBU defective
IPU defective
BCU defective
3-4 SM Appendix