Ricoh G-P2 Service Manual page 25

G160 Service Manual
Engine SC
SC
Symptom
[Level]
Incorrect serial number
When checking the
195
registered product number, it
[D]
does not match the printer's
product number.
Polygon motor error: Time out with the polygon motor activated
After the polygon motor turns
202
on or changes the speed,
[D]
SCRDY_N is not active
within 10 seconds.
Polygon motor error: Time out with the polygon motor inactivated
After the polygon motor turns
203
off or changes the speed,
[C]
SCRDY_N is not inactive
within 10 seconds.
Polygon motor error: XSCRDY signal error
PMRDY_N signal
204
consecutively detects that
[C]
the polygon motor is an
inactive state while LDB unit
scans.
Polygon motor error: XSCRDY signal not stable
PMRDY_N signal
consecutively detects that
205
the polygon motor is an
[D]
inactive state while the
polygon motor turns on or
changes the speed.
Trailing edge laser detection error: [K]
210
The laser synchronizing
[C]
detection signal for LDB [K]
Possible Cause/Required Action
Registered product number does not match
the printer's product number.
1. Ask your service key man.
Disconnected cable from the polygon motor
drive board or defective connection
Defective polygon motor or drive board
Disconnected cable from the polygon motor
drive board or defective connection
Defective polygon motor or drive board
Disconnected cable from the polygon motor
drive board or defective connection
Defective polygon motor or drive board
1. Check the connectors.
2. Replace the polygon motor.
3. Replace the polygon motor drive board.
Disconnected cable from the polygon motor
drive board or defective connection
Defective polygon motor or drive board.
1. Check the connectors.
2. Replace the polygon motor.
3. Replace the polygon motor drive board.
Disconnected cable from the laser
synchronizing detection unit or defective
18
23-Feb-06