e-STUDIO2006/2306/2506/2007/2307/2507/2303A/2303AM/2803AM/2309A/2809A
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ERROR CODE AND TROUBLESHOOTING
8 - 50
8.3.12 Laser optical unit related service call
[CA10] Polygonal motor is abnormal
[CA20] H-Sync detection error
Classification Error content
Laser optical unit related service
call
Polygonal motor is abnormal
Proce
dure
Check item Result Measure
Next
Step
1
Is the polygonal motor
rotating?
Yes 1. Check if the conductor pattern on the MAIN
board is short circuited or open circuited.
2. Replace the MAIN board.
3. Replace the laser optical unit.
No 1. Check if the connector of the harness is
disconnected between MAIN board (CN32)
and the laser optical unit. Reconnect it
securely if so.
Even if the connector is not apparently
disconnected, it may be connected loosely.
Therefore check carefully that it is secure.
2. Check if the harness is open circuited and
the connector pin is disconnected.
3. Check if the conductor pattern on the MAIN
board is short circuited or open circuited.
4. Replace the laser optical unit.
5. Replace the MAIN board.
Parts to be replaced Remark
MAIN board
Laser optical unit
Classification Error content
Laser optical unit related service
call
H-Sync detection error
Proce
dure
Check item Result Measure
Next
Step
1
Are the harness open
circuited and the
connectors disconnected
between the MAIN board
(CN33) and the laser
optical unit?
Yes 1. Even if the connector is not apparently
disconnected, it may be connected loosely.
Therefore check carefully that it is secure.
No 1. Replace the MAIN board.
2. Replace the laser optical unit
Parts to be replaced Remark
MAIN board
Laser optical unit
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