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ERROR CODE and TROUBLESHOOTING
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8.3.14 Scanning system related service call
[C260] Peak detection error
Classification Error content
Scanning system related service
call
Peak detection error
Proce
dure
Check item Result Measure
Next
Step
1
Is the exposure lamp
lit? (Output check: 03-267)
Yes It is lit. 2
No It is not lit. 3
2 Shading correction plate 1. Check if there is any scratch or stain on the shading
correction plate.
Mirror 1. Check if the mirror is tilted.
- Check that the lens is reflected in the mirror looking at
carriage-1 from the upper position.
- Check that the mirror is secured at the leaf spring.
Exposure lamp 1. Check if the exposure lamp is correctly lit.
2. Check if the harness is connected properly to the exposure
lamp connector.
3. When the carriage is driven, check if the harness interferes
with it or parts are caught in it.
CCD board / Lens unit 1. Check if the connector of the CCD board is connected
properly.
2. Check if the CCD board is installed properly. (Check that the
lens unit is not tilted or the screw is securely tighten.)
SLG board 1. Check if the connector of the SLG board is connected
properly.
2. Check if the mounted parts on the SLG board are damaged
or abnormal.
3. Check if 10 V is output from the power supply for CCD.
3 SLG board 1. Check if the supply cable is connected properly to the
connector.
2. Check if the mounted parts on the SLG board are damaged
or abnormal.
Inverter board 1. Check if the harness of the exposure lamp is connected to
the inverter board properly.
2. Check if the supply harness to the inverter board is
connected properly.
3. Check if the mounted parts on the inverter board are
damaged or abnormal.
Exposure lamp 1. Check if the harness of the exposure lamp is connected to
the inverter board properly.
2. Check if the exposure lamp is scratched or damaged.
Supply harness 1. Check if wiring of the supply harness (CN127) is abnormal.
2. Check if the harness is scratched or open circuited.
Parts to be replaced Remark
Lens unit
SLG board
Exposure lamp
Supply harness
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