Ricoh D069 Field Service Manual page 222

3. Appendix: Service Call Conditions
No.
Definition
590 B
3
760 B
761 B
762 B
901 B
903 B
954 B
30
Symptom
Exhaust fan motor error
The exhaust fan motor is locked for five
seconds.
ADF gate error 1
The ADF sends the FGATE signal before it
is requested to scan originals.
ADF gate abnormal 2
The ADF does not send the FGATE signal
within 30 seconds after the ADF starts
scanning.
ADF gate abnormal 3
The ADF continues to send the FGATE
signal for more than 60 seconds after the
ADF starts scanning.
Mechanical total counter error
The polling module does not detect the
mechanical total counter.
Engine total counter error
The checksum of the total counter is not
correct.
Printer application program error
The printer application program does not
become ready when the printer
application program is necessary.
Possible Cause
• Loose connection of the exhaust fan
motor
• Overload
• Defective ADF board
• Defective input/output board
• Loose connection
• Defective ADF connector
• Defective SBU board
• Defective ADF connector
• Defective SBU board
• Defective mechanical total counter
• Defective BICU
• Loose connection
• Defective NVRAM on the BICU
• Defective application program