Sc Code Descriptions - Ricoh M001 Service Manual

Service Call Conditions
If the problem is with electrical circuit boards, disconnect the connectors first. Then
reconnect the connectors before you replace the PCBs.
If the problem is with a motor lock, first examine the mechanical load. Then
replace motors or sensors.

4.1.2 SC CODE DESCRIPTIONS

FGATE error
The PFGATE ON signal does not
assert within 1 second.
230 B
The PFGATE ON signal still assert
within 7 seconds, after processing the
image in a normal job
Charge roller current leak
The PWM duty output exceeded 60%
302 B
for longer than 200 ms, indicating a
leak in the charge roller current.
Polygon motor error
The polygon motor did not enter the
lock state within 10 sec. after it
switched on.
-or-
Once the polygon motor was detected
320 B
in the lock state after started to rotate,
within 0.2 sec. it entered the unlock
state.
-or-
After the polygon motor switched off, it
did not enter unlock state within 3 sec.
M001
Defective engine board
Defective controller board
Disconnect harness
Cartridge (charge roller)
defective
High voltage supply board
defective
Defective cartridge connection
Polygon motor
Polygon motor cable
4-2 SM