Ricoh M080 Service Manual page 155

PSU fan error
591 B
The machine does not lock for 3sec
during rotating the PSU fan motor.
GAVD communication error
620 B
The machine detects an error data of
the ASIC.
Paper tray unit communication error
Three consecutive errors occur
622 B
during polling, after the paper tray
unit is successful I2C
communication.
Counter device error 1
After 3 attempts to send a data frame
632 B
to the optional counter device via the
serial communication line, no ACK
signal was received within 100 ms.
SM Appendix
Defective PSU fan
Defective engine board
Defective ASIC
Disconnect harnesses
Serial line between the optional
counter device, the relay board
and copier control board is
disconnected or damaged
Make sure that SP5113 is set to
enable the optional counter
device.
1. Check if the setting of the
SP5113 is correctly set.
2. Check the connection between
the main machine and optional
counter device.
2-7
Service Call Conditions
M080