Service Call Conditions
SM Appendix 3-23 D017/D018/D019/D020/D084/D085
Appendix:
Service Call
Conditions
670 D Engine response error
After powering on the machine, a
response is not received from the
engine within 30 seconds.
BCU installed incorrectly
BCU defective
Controller board defective
672 D Controller-to-operation panel communication error at startup
After powering on the machine, the
communication circuit between the
controller and the operation panel is
not opened, or communication with
controller is interrupted after a normal
startup.
Controller stalled
Controller board installed
incorrectly
Controller board defective
Operation panel connector
loose or defective
687 D Memory address (PER) command error
The BCU did not receive a memory
address command from the controller
with the prescribed time once the
paper reached the registration sensor.
Harness connection at BCU,
Controller board loose or
broken
Defective BCU
Defective Controller Board
721 B Front fence motor error
The jogger fence
motor in the finisher
is not operating.
Jogger motor drive is obstructed (jammed paper,
paper scraps, etc.)
The motor harness loose or broken
Jogger fence HP sensor dirty, loose, defective
Jogger fence motor defective
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