Ricoh B234 - Page 31

SERVICE CALL CONDITIONS
SM 4-29 B234/B235/B236/D101/D102/D103
Trouble-
shooting
6th Tray (LCT Tray 3) Lift Malfunction
SC506 D
One of the following conditions is detected in
the 6th tray.
• The LCT 3rd lift sensor is not activated for
20 s after the LCT 3rd tray lift motor turned
on.
• Upper limit is not detected within 20 s while
the paper tray is lifting during paper feed.
• The LCT 3rd lift sensor is already activated
when the LCT 3rd tray is placed in the
machine.
• Poor LCT 3rd tray lift motor
connection
• Remaining paper or
another obstruction has
stopped the tray and motor
• LCT 3rd pick-up solenoid
connector is loose
• LCT 3rd pick-up solenoid
is blocked by an
obstruction
7th Tray (Bypass Tray) Lift Mechanism
SC507 D
One of the following conditions is
detected in the optional bypass tray.
• The bypass tray lift sensor is not
activated for 10 s after the tray lift
motor turned on.
• Upper limit is not detected within 10 s
while the paper tray is lifting during
paper feed.
• The bypass tray lift sensor is already
activated paper is placed in the 7th
tray.
• Poor bypass tray lift motor
connection
• Remaining paper or another
obstruction has stopped the tray
and motor
• Bypass tray pick-up solenoid
connector is loose
• Bypass tray pick-up solenoid is
blocked by an obstruction
Exit Junction Gate HP Sensor Error
SC529 C
The exit junction gate did not
return to its home position.
• Cycle the machine off/on
Fusing Motor Lock
SC531 B
A fusing motor lock signal is detected for
more than 2 s during operation due to an
electrical overload in the motor driver board.
• Motor driver board defective.
Replace motor.
Fusing Thermister Open
SC541 A
The fusing temperature
detected by the thermistor was
below 7°C for 15 s.
• Fusing thermistor defective or out of
position
• Poor thermistor terminal connection