Ricoh D117 Service Manual page 370

SC Tables
No. Type
204
D
-01
-03 D
No. Type
⇒
220
D
-01
-03 D
D117/D118
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Polygon motor error 0: XSCRDY signal error: Bk, Cy
Polygon motor error 1: XSCRDY signal error: Ma, Ye
The SCRDY_N signal goes HIGH (inactive) during a writing operation.
Disconnected or defective harness to polygon motor driver board
Defective polygon motor
Defective polygon motor driver board
1. Check or replace the harness.
2. Replace the polygon motor.
3. Replace the BICU.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Laser synchronizing detection error: start position LD1: Bk/C
Laser synchronizing detection error: start position LD1: M/Y
The laser synchronizing detection signal for the start position of the
LDB is not output for the prescribed time after the LDB unit turns on
while the polygon motor is rotating normally
Broken I/F harness of synchronizing detection unit
Defective synchronizing detection board
Defective LDB
Defec tive BICU
1. Turn off and on the main power switch.
2. Replace the I/F harness.
3. Replace the BICU.
6-10
Rev. 09/18/2014
SM