Ricoh B064 SERIES Service Manual page 459

SC500: Feed, Transport, Duplexing, and Fusing Systems
SC No.
501 B Tray 1 lift malfunction
• The lift sensor is not activated
within 10 seconds after the tray
lift motor starts lifting the bottom
plate.
• Paper height sensor actuator
does not move away from the
sensor for 4 counts.
502 B Tray 2 lift malfunction
• The lift sensor is not activated
within 10 seconds after the tray
lift motor starts lifting the bottom
plate.
• Paper height sensor actuator
does not move away from the
sensor for 4 counts.
503 B Tray 3 lift malfunction
• The lift sensor is not activated
within 13 s after the tray lift motor
starts lifting the bottom plate.
• At power on, or when the tray set
sensor goes on after tray inserted,
the tray continues to lower for 5 s.
The motor stops but restarts when
the tray is re-inserted.
504 B Tray 4 lift malfunction
Japan only.
507 B LCT feed motor malfunction
One of the following conditions is
detected:
• The LD signal from the feed
motor is detected abnormal for
50 ms after the motor switches
on.
• At power on, the motor is
detected loose or disconnected.
510 B LCT tray malfunction
One of the following conditions is
detected:
• When the bottom plate is lifted,
the upper limit sensor does not
come on for 18 s.
• When the bottom plate is
lowered, the lower limit sensor
does not come on for 18 s.
• After lift begins, the upper limit
sensor does not switch on before
the pick-up solenoid switches on.
• The paper end sensor switches
on during lift and the upper limit
sensor does not switch on for 2.5
s, and a message prompts user
to reset paper.
SM
CÓPIA NÃO CONTROLADA
Symptom
4-21
CÓPIA NÃO CONTROLADA
B064 SERIES SERVICE MODE
Possible Cause
• Tray lift motor defective or disconnected
• Paper or other obstacle trapped between
tray and motor
• Pick-up solenoid disconnected or
blocked by an obstacle
• Tray lift motor defective or disconnected
• Paper or other obstacle trapped between
tray and motor
• Pick-up solenoid disconnected or
blocked by an obstacle
• Tray lift motor defective or poor
connection
• Lift sensor defective or poor connection
• Feed motor defective
• Feed motor connector disconnected
• Obstacle interfering with operation of
motor
• Tray lift motor defective or connector
disconnected
• Lift sensor defective or disconnected
• Pick-up solenoid defective or
disconnected
• Paper end sensor defective
B064 Series/B140 Series
/B246 Series/D052 Series