Ricoh IM 550F

6.Troubleshooting
569
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
1. Turn the main power OFF/ON.
2. Replace the BiCU (PCB16).
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC667-
20
D
MACARON Operating Mode Setting Error (IM 550F/600F/600SRF) / BREIT
Operating Mode Setting Error (P 800/801)
The mode setting error of MACARON (IM 550F/600F/600SRF) / BREIT (P
800/801) is detected during the startup operation of the engine (when the main
power is turned on or when the machine returns from energy save mode).
BiCU (PCB16) defective
1. Turn the main power OFF/ON.
2. Replace the BiCU (PCB16).
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC668-
01
D
IOB (PCB17) Startup Error
The signal to indicate the IOB (PCB17) has started up was not detected within 4
seconds.
• FFC defective or disconnected
• IOB (PCB17) defective
• IPU defective
1. Turn the main power OFF/ON.
2. Reconnect the FFC between IPU and IOB (PCB17).
3. Replace the FFC between IPU and IOB (PCB17).
4. Replace the IOB (PCB17).
5. Replace the IPU.
SC No.
Type
Error Name/Error Condition/Major Cause/Solution
SC668-
02
D
IOB (PCB17)Communication Error: Reset Error
Communication reset control and error recovery control does not complete
properly.
• FFC not properly connected
• FFC defective
• IOB (PCB17) defective
• BiCU (PCB16) defective
1. Turn the main power OFF/ON.
2. Turn the main power OFF, reconnect the FFC between BiCU (PCB16) and
IOB (PCB17), and then turn the main power ON.