Ricoh D129 - Page 518

Service Call Conditions
SM 6-29 D129/D130
Trouble-
shooting
672 D
Controller-to-operation panel communication error at startup
 After the machine is powered on, the communication between the
controller and the operation panel is not established, or communication
with controller is interrupted after a normal startup.
 After startup reset of the operation panel, the attention code or the
attention acknowledge code is not sent from the controller within 30
seconds.
 After the controller issues a command to check the communication line
with the controller at 30-second intervals, the controller fails to respond
twice.
 Controller stalled
 Controller board installed incorrectly
 Controller board defective
 Operation panel connector loose or defective
 The controller is not completely shutdown when you turn the main
switch off.
Check the setting of SP5875-001. If the setting is set to "1 (OFF)", change it
to "0 (ON)".
674 D
Transmission error in controller board
Video transmission error is detected in the controller board.
 Defective Controller Board
687 D
Memory address (PER) command error
The BCU does not receive a memory address command from the controller
for the prescribed time after the paper has reached the registration sensor.
 Harness Disconnection at BCU
 Controller board loose or broken
 Defective BCU
 Defective Controller Board