Toshiba e-STUDIO 4500c, Service Manual

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April, 2007 SERVICE CALL CONDITIONS
4-49
Duplex jogger motor error 1 SC515 C
When the jogger fence moves to
the home position, the jogger
fence HP sensor does not switch
on even after the duplex jogger
motor has moved the jogger
fence 153.5 mm.
•
Rear fence motor defective or poor
connection
•
Paper or other obstacle interfering with
operation of the sensors or motor
•
Return sensor or HP sensor defective or
dirty
Duplex jogger motor error 2 SC516 B
When the jogger fence moves
from the home position, the
jogger fence HP sensor does not
turn off even if the duplex jogger
motor has moved the jogger
fence 153.5 mm.
•
Paper or other obstacle has jammed
mechanism
•
HP sensor connector disconnected or
defective
•
HP sensor defective
Fusing/Exit Motor error SC520 A
The Fusing/Exit Motor LOCK
signal is not detected for a
duration of one second after the
motor START signal is sent.
•
Fusing/Exit Motor connecter is not
connected correctly.
•
Fusing/Exit Motor torque is too high or
too low.
•
Fusing/Exit Motor is defective.
Fan error 1: fusing cooling fan motor SC530 D
The BICU does not receive the
lock signal 5 seconds after the
fusing unit fan switches ON.
•
Fusing cooling fan disconnected,
defective
•
BICU defective
Fan error 2: fusing cooling fan motor SC531 D
The lock signal remained HIGH for 5 sec.
while the fan at the front of the fusing unit
near the heat dissipation fins was operating.
•
Motor overload due to
obstacle interfering with
operation of the fan
•
Fan harness loose,
disconnected, defective
•
Fan defective
Fan error 3: PCB box fan SC532 D
The lock signal remained HIGH for 5 sec.
while the fan that cools the printed circuit
boards was operating.
•
Motor overload due to
obstacle interfering with
operation of the fan
•
Fan harness loose,
disconnected, defective
•
Fan defective