Ricoh B079 - Page 204

SERVICE CALL CONDITIONS
B079/B082 4-6 SM
Code No. Symptom Possible Cause
Transfer belt error 405 C
The transfer belt does not move away
from the drum during ID sensor pattern
checking.
Main motor/drive malfunction
Transfer belt position sensor defective
Poor transfer belt position sensor
connection
Main motor lock 440 C
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
450 Feed Development Motor Error
C
The PLL lock signal remains LOW for 2
s while the feed development motor is
operating.
Motor lock caused by overload.
Motor driver defective.
Exhaust fan motor lock 490 C
An exhaust fan motor lock signal is not
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 not
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
1st Tray lift malfunction 501 C
The paper height sensor is not
activated after the tray lift motor has
been on for 10 seconds. If the main
power switch is turned on when the
paper is already at the feed height, the
paper height position is detected again.
At this time, the paper height sensor
should de-activate within 5 seconds
after the paper bottom plate starts to
drop. If it does not deactivate within 5 s
four times consecutively, a message
will prompt the user to reset Tray 1.
After two attempts to release the error
by re-setting the paper tray, if this does
not solve the problem then this SC is
displayed.
Lift motor malfunction or disconnected
Height sensor abnormal, or connector
loose
Loose paper or object between the tray
and motor
Pick-up arm malfunction
2nd Tray lift malfunction 502 C
The paper height sensor is not
activated after the tray lift motor has
been on for 10 seconds. If the main
power switch is turned on when the
paper is already at the feed height, the
paper height position is detected again.
At this time, the paper height sensor
should de-activate within 5 seconds
after the paper bottom plate starts to
drop. If it does not deactivate within 5 s
four times consecutively, a message
will prompt the user to reset Tray 2.
After two attempts to re-set the paper
tray, if this does not solve the problem
then this SC is displayed.
Lift motor abnormal or disconnected
Height sensor defective or
disconnected
Loose paper or object between the tray
and motor
Pick-up arm malfunction
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA