Ricoh Aficio AP-4510 G065, Service Manual, Page: 143 / 278

SERVICE CALL CONDITIONS
SM 4-5 G065
T
rouble
-
s
hooting
SC Level Symptom Possible Cause
Transfer belt H.P. abnormal 403 C
H.P. is not detected after the T/S
clutch is switched on twice.
•
Main motor/drive malfunction
•
Transfer belt contact clutch
defective
•
Transfer belt position sensor
defective
•
Harness disconnected
Transfer belt position abnormal 405 C
The transfer belt does not separate
from the drum during ID sensor
pattern checking.
•
Main motor/drive malfunction
•
Transfer belt position sensor
defective
•
Poor transfer belt position sensor
connection
•
Transfer belt contact clutch
defective
M
AIN
D
RIVE
Main motor abnormal 440 C
(1) During motor rotation before the
start of printing, the H.P. of the T/S
clutch is detected, the main motor
lock signal (PLL) goes low, and 5
retries are not successful, resulting in
an internal lock. (2) A main motor
lock signal is not detected within 2
seconds after the main motor turns
on.
•
Too much load on the drive
mechanism
•
Main motor defective
PCU new unit detection error 442 C
After the main motor turns on, the
PCU new unit detection sensor
remains on for 2 or more seconds.
•
New unit detection sensor
defective.
•
PCU defective
Feed/Development motor abnormal 450
(1) During motor rotation before the
start of printing, the motor lock signal
(PLL Lock) goes low, 5 retries are
not successful, resulting in an
internal lock.
(2) A motor lock signal is not
detected within 2 s after the main
motor turns on.
•
Feed/development motor defective
Exhaust fan motor lock 490 C
An exhaust fan motor lock signal is
detected within 5 seconds after the
exhaust fan motor turns on.
•
Too much load on the drive
mechanism
•
Exhaust fan motor defective or a
loose object is interfering with the
fan
•
Poor fan motor connector
connection
Cooling fan motor lock 492 C
A cooling fan motor lock signal is
detected within 5 seconds after the
cooling fan motor turns on.
•
Too much load on the drive
mechanism
•
Cooling fan motor defective or a
loose object is interfering with the
fan
•
Poor fan motor connector
connection
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA