Ricoh G147 Service Manual page 167

the controller and the operation
panel did not open for normal
operation.
After normal startup,
communication with the controller
stopped.
GAVD block 12C bus error
692 D
The I2C bus of the BICU is defective
Finisher jogger motor error
The finisher jogger HP sensor did not
722 B
return to the home position, or move
out of the home position, within 1.25
sec. Staple mode cannot be used.
Finisher staple hammer motor error
Stapling does not finish within 150 ms
724 B
after the staple hammer motor turned
on. Staple mode cannot be used.
Finisher stack feed-out motor error
The stack feed-out belt HP sensor did
725 B
not activate within 4550 pulses after
the stack feed-out motor turned on.
Staple mode cannot be used.
SM
Controller installed incorrectly
Controller board defective
Operation panel harness
disconnected or defective
Replace BICU
Jogger motor connector or
harness loose, broken,
defective
Jogger motor defective
Jogger HP sensor connector or
harness loose, broken,
defective
Jogger HP sensor defective
Staple jam
Stapler overload caused by
trying to staple too many sheets
Staple hammer motor
connector or harness loose,
broken, defective
Staple hammer motor defective
Stack feed-out HP sensor
defective
Stack feed-out motor overload
Stack feed-out motor defective
4-17 G147