Ricoh D146 Service Manual page 501

SC No. Level
SC285-00 C
SM
Error Name/Error Condition/Major Cause/Solution
MUSIC error
The results of MUSIC pattern reading failed 4 times.
(even if mode e (real time MUSIC) fails, the error count is not
incremented (+1))
§
TM sensor defective
§
ITB defective
§
PCU defective
§
LD unit defective
§
MUSIC pattern density thin
§
ITB reset
§
PCU reset
§
Toner replenishment
§
Replace the TM (ID) sensor
§
Replace the ITB
§
Replace the PCU
§
Replace the LD unit
5-27
Service Call 201-285
D146/D147/D148/D149/D150