Sc Code Descriptions; Engine Sc - Ricoh G104 Service Manual

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

SC
[Level]
Symptom
Incorrect serial number
195
[D]
When checking the
registered product number,
it does not match the
printer's product number.
202 Polygon motor error: Time out with the polygon motor activated
[D]
After the polygon motor
turns on or changes the
speed, the SCRDY_N is not
active within 10 seconds.
203 Polygon motor error: Time out with the polygon motor inactivated
[D]
After the polygon motor
turns off or changes the
speed, the SCRDY_N is not
inactive within 10 seconds.
204 Polygon motor error: XSCRDY signal error
[D]
PMRDY_N signal
consecutively detects that
the polygon motor is an
inactive state while LDB unit
scans.
205 Polygon motor error: XSCRDY signal not stable
[D] PMRDY_N signal
consecutively detects that
the polygon motor is an
inactive state while the
polygon motor turns on or
changes the speed.
SM
CÓPIA NÃO CONTROLADA
Item
Possible Cause/Required Action
• Registered product number does not match the
printer's product number.
1. Try again to input the correct product number with
SP5811-001.
• Disconnected cable from the polygon motor drive
board or defective connection
• Defective polygon motor or drive board
• Disconnected cable from the polygon motor drive
board or defective connection
• Defective polygon motor or drive board
• 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.
• 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.
4-3
CÓPIA NÃO CONTROLADA
SERVICE CALL CONDITIONS
G104