Ricoh S-C3 F

No.
Definition
Symptom Possible Cause
The BICU does not receive the memory
address report from the controller within
one minute.
• Inconsistency between the BICU
firmware and the controller firmware
• Defective BICU
• Defective controller
302 B
Charge roller current leak
The polling module detects a current leak
of the charge roller.
• Defective charge roller
• Defective high voltage supply board
• Loose connection of the PCU
320 B
Polygonal mirror motor error
The polygon mirror motor does not reach
the operating speed within 10 seconds.
Or, the polygon mirror motor remains out
of the operating speed for 0.2 second
after reaching the operating speed.
• Defective polygon mirror motor
• Loose connection between the
polygonal mirror motor and the BICU
• Defective cable between the BICU
and the polygon mirror motor
• Defective BICU
321 B
No laser writing signal (F-GATE) error
The poling module does not detect the
laser writing signal (F-GATE) asserting
after the laser crosses 5 mm from the start
point on the drum surface.
• Defective BICU
• Loose connection on the fax controller
or the printer controller
• Defective fax controller or printer
controller
322 B
Laser synchronization error
The main scan synchronization detector
does not detect the laser signal for 0.5
second.
• Toner bottle not installed
• Loose connection between the LD unit
and the BICU
• Defective cable between the BICU
and LD unit
• LD unit out of position
• Defective LD unit
• Defective BICU
4. Troubleshooting
110
4