Ricoh M001 Service Manual page 88

Service Call Conditions
671 Engine board mismatch error
⇒
Engine board and controller
mismatch detected.
Controller startup error
After power on, the line between the
controller and the operation panel did
672 D
not open for normal operation.
After normal startup, communication
with the controller stopped.
674 Video transmission error
⇒
PER-command error
The machine does not receive
687 B
PAPI-PER command for specific
time, after PAPI-PES was issued.
PAPI-PES error
The machine does not receive
688 B
PAPI-PES command after paper is in
registration.
M001
Wrong engine board installed.
Wrong controller board installed.
Check the type of engine board and
controller board.
1. Replace the engine board.
2. Replace the controller board.
Controller stalled
Controller installed incorrectly
Controller board defective
Operation panel harness
disconnected or defective
Defective controller board.
Replace the controller board.
Defective controller
Defective controller
Poor communication
4-8
Rev. 11/03/2009
SM