Service Call Tables
SM 4-9 D014/D015/D078/D079
Trouble-
shooting
SC210 D Laser beam detection error: K (Black)
SC211 D Laser beam detection error: Y (Yellow)
SC212 D Laser beam detection error: M (Magenta)
SC213 D Laser beam detection error: C (Cyan)
The laser synchronization
sensor failed to detect the
beginning and end of the laser
beam flash for the designated
color onto the polygon mirror
while the mirror is rotating at
the prescribed number of
revolutions.
Laser synchronization
detector sensor connection
loose, not connected
Laser synchronization
detector sensor defective
LD unit defective
IPU defective
VBCU defective
Laser Synchronization Detector Error: K Leading Edge: LD0
SC220 D
While the polygon motor is
rotating normally, no
synchronizing detection signal
is output for LD0 black, or
leading edge, even after the
laser diode has been firing for
2 sec.
Harness between the laser
synchronizing detector and I/F unit
is disconnected, defective
Check all connections between LD
unit, LDB, IPU
LD unit
LDB defective
IPU defective
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