Ricoh MT-C1 User Manual

15 February 2006 B064 SERIES SERVICE MODE
4-21
Trouble-
shooting
SC500: Feed, Transport, Duplexing, and Fusing Systems
SC No. Symptom Possible Cause
Tray 1 lift malfunction 501 B
• 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.
• 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 2 lift malfunction 502 B
• 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.
• 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 3 lift malfunction 503 B
• 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.
• Tray lift motor defective or poor
connection
• Lift sensor defective or poor connection
Tray 4 lift malfunction 504 B
Japan only.
LCT feed motor malfunction 507 B
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.
• Feed motor defective
• Feed motor connector disconnected
• Obstacle interfering with operation of
motor
LCT tray malfunction 510
B
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.
• Tray lift motor defective or connector
disconnected
• Lift sensor defective or disconnected
• Pick-up solenoid defective or
disconnected
• Paper end sensor defective

Ricoh MT-C1 Specifications

General

Brand	Ricoh
Model	MT-C1
Category	All in One Printer
Language	English