Ricoh D127 - Page 169

SC Tables
SM 6-3 D127/D128
Trouble –
shooting
No.
Definition
Symptom Possible Cause
142 B
White level correction error
The automatic adjustment has
failed to correct a current white
level to the certain level.
 Dewing scanner unit
 Defective scanner drive
 Defective optical section
 Defective SBU board
 Defective relevant harness
144 B
SBU Communication Error
Cannot correctly establish
communication with the SBU.
 Defective relevant harness
 Defective destination device
(e.g., BICU, etc)
 Defective SBU
161 IPU error
-001 B
LSYNC error
Detecting an error from the result of
the IPU self-check on startup.
 Defective the IPU or the BICU
(or bad connection between the
ASIC and the LEO, LSYNC
Abnormal, etc)
 Cable bad connection between
the SBU and the IPU (or the
BICU).
-002 B
RI response error
Detecting an error on access to the
RI.
 Defective the IPU (the BICU, the
ICTL) or RI abnormal
performance, etc