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SERVICE CALL CONDITIONS April 2007
4-48
Tandem tray rear fence motor error SC505 C
• The return sensor does not
switch ON within 10 sec. after
the rear fence motor switches
ON.
• The HP sensor does not
switch ON 10 sec. after the
rear fence motor switches
ON.
• The HP sensor and return
sensor switch ON at the same
time.
• Rear fence motor defective or poor
connection
• Paper or other obstacle interfering with
operation of the sensors
• Paper or other obstacle trapped between
tray and motor
• Motor mechanical overload due to
obstruction
• Return sensor or HP sensor defective or
dirty
Tandem tray back fence motor error SC506 B
The back fence should be closed but the
fence was not detected in the closed position
within 500 ms.
-or-
The back fence should be open but the
fence was not detected in the open within
500 ms.
• Paper loaded incorrectly
• Back fence motor harness
disconnected, loose,
defective
• Back fence motor defective
• Paper blocking sensors
• Paper stuck between tray
and motor
• Back fence close, back fence
open sensor harnesses
disconnected, loose, or
defective.
• Back fence close, back fence
open sensor defective
• Paper or other obstacle is
interfering with movement of
the fence
LCT tray error SC510 B
• When the bottom plate is
lifted, the upper limit sensor
does not come on for 30 sec.
• When the bottom plate is
lowered, the lower limit sensor
does not come on for 30 sec.
• 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 harness, disconnected,
loose, or defective
• Tray lift motor defective
• Lift sensor defective or disconnected
• Pick-up solenoid defective or
disconnected
• Paper end sensor defective