Ricoh G157 Service Manual page 104

ERROR INDICATION
Error
No.
Code
37 SVC N6 Paper Feed Unit Connection Error:
Connector Harness between BCU
and PFU is not properly connected.
G157
Possible Cause
4-14
Countermeasure
1. Check the harness connection.
(MCN6: pin 13)
2. Replace the Paper Feed Unit.
3. Replace the BCU.
SM