Ricoh G104 Service Manual page 341

SC
Symptom
[Level]
LDB unit turns on while the
polygon motor is rotating
normally.
FGATE: On error [K]
The PFGATE ON signal
230
does not assert within 5
[C]
seconds after processing the
image in normal job or
MUSIC for [K] starts.
FGATE: Off error [K]
The PFGATE ON signal
still asserts within 5
seconds after
231
processing the image in
[C]
normal job or MUSIC for
[K] ends.
The PFGATE ON signal
still asserts when the
next job starts.
FGATE: On error [Y]
The PFGATE register of
232
GAVD does not assert within
[C]
5 seconds after processing
the image in normal job or
MUSIC for [Y] started.
FGATE: Off error [Y]
The PFGATE ON signal
still asserts within 5
233
seconds after
[C]
processing the image in
normal job or MUSIC for
[K] ends.
SM
CÓPIA NÃO CONTROLADA
Possible Cause/Required Action
Defective connection between the controller
board and EGB
Defective cable between the EGB and LDB
1. Check the connectors.
2. Replace the LDB.
3. Replace the EGB.
Defective connection between the controller
board and EGB
Defective cable between the EGB and LDB
1. Check the connectors.
2. Replace the LDB.
3. Replace the EGB.
Same as SC 230
Same as SC 231
4-7
CÓPIA NÃO CONTROLADA
Service Call Conditions
G160/G161