Ricoh D146 Service Manual page 500

Service Call 201-285
SC No. Level
SC240-01 D
SC240-04 D
SC No. Level
SC272-01 D
SC272-02 D
SC272-03 D
SC272-04 D
SC272-10 D
D146/D147/D148/D149/D150
Error Name/Error Condition/Major Cause/Solution
LD error: Bk
LD error: Ma
§
If LD error terminal of LD driver of corresponding color is
asserted after LD initialization.
§
If an error is detected during initialization of P-MAC which
detects Ith/Ieta of LD of corresponding color.
§
LD degradation (LD broken, shift of output characteristics
etc.)
§
The interface harness damaged or not connected correctly.
§
LD driver defective
§
Cycle the main power off/on
§
Replace the LD unit
§
Replace the harness
§
Replace the IPU board
Error Name/Error Condition/Major Cause/Solution
G-MAC communication error: Bk
G-MAC communication error: Cy
G-MAC communication error: Ma
G-MAC communication error: Ye
G-MAC communication error: Other
In view of parity, 3 retries were performed
§
IPU defective
§
Harness defective
§
LDB defective
§
Cycle the main power off/on
§
Replace the LD unit
§
Replace the harness
§
Replace the IPU board
5-26 SM