Ricoh D014 Service Manual page 460

Service Call Tables
Laser Synchronization Detector Error: K Leading Edge (Not LD0)
While the polygon motor is rotating
normally, no synchronizing
SC221 D
detection signal is output for black,
leading edge for any LD other than
LD0.
Laser Synchronization Detector Error: Y Leading Edge: LD0
While the polygon motor is
rotating normally, no
SC222 D
synchronizing detection signal
is output for LD0 yellow,
leading edge.
Laser Synchronization Detector Error: Y Leading Edge (Not LD0)
While the polygon motor is
rotating normally, no
SC223 D
synchronizing detection signal
is output for yellow, leading
edge for any LD other than
LD0.
D014/D015/D078/D079
CÓPIA NÃO CONTROLADA
4-10
CÓPIA NÃO CONTROLADA
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
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
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
SM