Ricoh G104, Service Manual

Page: 87 / 601

SERVICE CALL CONDITIONS
SM 4-3 G104
Trouble-
shooting
4.2.2 SC CODE DESCRIPTIONS
NOTE: If the EGB or controller board is replaced, remove the NVRAM from the old
board and install it on the new one.
•
The SC level is indicated under SC number in the table below.
•
The symbol “ ● ” that is in the “Possible Cause/Required Action” column indicates
the possible cause.
• The figure “1,etc.” that is in the “Possible Cause/Required Action” column
indicates the required action.
Engine SC
Item
SC
[Level]
Symptom Possible Cause/Required Action
Incorrect serial number 195
[D]
When checking the
registered product number,
it does not match the
printer’s product number.
• Registered product number does not match the
printer’s product number.
1. Try again to input the correct product number with
SP5811-001.
Polygon motor error: Time out with the polygon motor activated 202
[D]
After the polygon motor
turns on or changes the
speed, the SCRDY_N is not
active within 10 seconds. •
Disconnected cable from the polygon motor drive
board or defective connection
• Defective polygon motor or drive board
Polygon motor error: Time out with the polygon motor inactivated 203
[D]
After the polygon motor
turns off or changes the
speed, the SCRDY_N is not
inactive within 10 seconds. •
Disconnected cable from the polygon motor drive
board or defective connection
•
Defective polygon motor or drive board
Polygon motor error: XSCRDY signal error 204
[D]
PMRDY_N signal
consecutively detects that
the polygon motor is an
inactive state while LDB unit
scans. •
Disconnected cable from the polygon motor drive
board or defective connection
• Defective polygon motor or drive board
1. Check the connectors.
2. Replace the polygon motor.
3. Replace the polygon motor drive board.
Polygon motor error: XSCRDY signal not stable 205
[D] PMRDY_N signal
consecutively detects that
the polygon motor is an
inactive state while the
polygon motor turns on or
changes the speed.
• Disconnected cable from the polygon motor drive
board or defective connection
•
Defective polygon motor or drive board.
1. Check the connectors.
2. Replace the polygon motor.
3. Replace the polygon motor drive board.
CÓPIA NÃO CONTROLADA
CÓPIA NÃO CONTROLADA