Ricoh D014 - Page 463

Service Call Tables
SM 4-13 D014/D015/D078/D079
Trouble-
shooting
FGATE error: Feedback remains HIGH for Y write
SC232 D
After the start of timing to
create the yellow image, the
PFGATE register of the
GAVD did not assert.
 Harness between the VBCU and LDB
unit disconnected, loose, or defective.
 LD unit defective
 IPU defective
 Controller board disconnected,
defective
 HDD defective
FGATE error: Feedback remains LOW for Y write
SC233 D
After the start of timing to
create the yellow image, the
PFGATE register of the GAVD
did not assert.
 Harness between the VBCU and
LDB unit disconnected, loose, or
defective.
 LD unit defective
 IPU defective
 Controller board disconnected,
defective
 HDD defective
FGATE error 1: Feedback remains HIGH for M write
SC234 D
After the start of timing to
create the magenta image, the
PFGATE register of the GAVD
did not assert.
 Harness between the VBCU and
LDB unit disconnected, loose, or
defective.
 LD unit defective
 IPU defective
 Controller board disconnected,
defective
 HDD defective
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA