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e-STUDIO2008A/2508A/3008A/3508A/4508A/5008A
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ERROR CODE AND TROUBLESHOOTING
8 - 164
[C290] Scanner fuse blowout (e-STUDIO206L/256/306/356/456/506)
Classification
Error content
Scanning system related
service call
The scanning system does not operate due to a blowout of the fuse
in the scanning system.
Check item
Result
Measure
Is 24V supplied to the SLG
board?
Yes
Check the following because the signal for checking
24V on the SLG board is abnormal.
1. Check if 3V is input in 35 Pin of the scanner CPU
(IC10).
2. Check if the mounted parts on the SLG board are
damaged or abnormal.
3. Check if 24V on the SLG board is short circuited.
4. Check if 24V is supplied to the SLG board.
No
1. Check if the supply harness is connected properly to
the connector.
2. Check if 24V and SG on the SLG board are short
circuited.
3. Check if the power supply is short circuited by
pulling out the supply harness on the SLG board.
4. Check if the fuse on the LVPS is open circuited.
Parts to be replaced
Remark
SLG board
Fuse
Supply harness
LVPS