Ricoh D037 Service Manual page 458

SC Tables
No. Type
B After 3 attempts to send a data frame to the optional counter device via
the serial communication line, no ACK signal was received within 100
ms.
No. Type
Counter device error 2
After 3 attempts to send a data frame to the optional counter device via
the serial communication line, no ACK signal was received within 100
CTL
ms.
633
B
No. Type
Counter device error 3
CTL
A backup RAM error was returned by the counter device.
634
B
No. Type
635 CTL Counter device error 4
B
A backup battery error was returned by the counter device.
D037/D038/D040/D041
Details (Symptom, Possible Cause, Troubleshooting Procedures)
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.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
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.
Details (Symptom, Possible Cause, Troubleshooting Procedures)
Counter device control board defective
Backup battery of counter device defective
Details (Symptom, Possible Cause, Troubleshooting Procedures)
4-36 SM Appendix