Ricoh G104, Service Manual

Page: 340 / 601

Service Call Conditions
G160/G161 4-6 SM
SC
[Level]
Symptom Possible Cause/Required Action
Laser Synchronizing Detection Error: LDB of the leading edge [K]
220
[D]
The laser synchronizing
detection signal for LDB [K]
of the leading edge is not
output for two seconds after
LDB unit turns on while the
polygon motor is rotating
normally.
ƒ Disconnected cable from the laser
synchronizing detection unit or defective
connection
ƒ Defective laser synchronizing detector
ƒ Defective LDB
ƒ Defective EGB
1. Check the connectors.
2. Replace the laser-synchronizing
detector.
3. Replace the LDB.
4. Replace the EGB.
Leading edge laser detection error: [Y]
222
[D]
The laser synchronizing
detection signal for LDB [Y]
of the leading edge is not
output for two seconds after
LDB unit turns on while the
polygon motor is rotating
normally.
Same as SC 221
Leading edge laser detection error: [M]
224
[D]
The laser synchronizing
detection signal for LDB [M]
of the leading edge is not
output for two seconds after
LDB unit turns on while the
polygon motor is rotating
normally.
Same as SC 221
Leading edge laser detection error: [C]
226
[D]
The laser synchronizing
detection signal for LDB [C]
of the leading edge is not
output for two seconds after
Same as SC 221
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA