[C260] Peak Detection Error (E-Studio207L/257/307/357/457/507) - Toshiba e-STUDIO206L Service Manual

Parts to be replaced
Lens unit
SLG board
Exposure lamp
Supply harness

[C260] Peak detection error (e-STUDIO207L/257/307/357/457/507)

Classification
Scanning system related service
call
Proce
Check item
dure
1 Is the exposure lamp lit?
(Output check: 03-267)
2 Shading correction plate
Mirror
Carriage
Exposure lamp
CCD board
SYS board
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Error content
Peak detection error
Result
Yes It is lit.
No It is not lit.
1. Check if there is any scratch or stain on the shading
correction plate.
2. Check if the shading correction plate is any scratch or dirty.
1. Check if the mirror is tilted.
- Check that the lens is reflected in the mirror looking at
carriage-1 from an upper position.
- Check that the mirror is secured at the leaf spring.
Notes: Do not turn the mirror adjustment screw more
than necessary.
1. Check if the carriage is tilted by moving it to the left stopping
point.
2. Check if the wire fixing screw is loosened.
3. Check if the movement of the carriage is unstable due to
disengagement of the carriage roller.
1. Check if the exposure lamp is flickering when it is turned on.
2. Check if the connector is properly connected all the way in
the board of LED lamp unit.
3. While the carriage is being driven, check if the harness
catches it or interferes with it.
1. Check if the connector is properly connected all the way in
the CCD board.
2. Check if the CCD board or the lens unit is tilted. Check if the
screw is securely tightened.
3. Replace the lens unit.
1. Check if the connector is properly connected all the way in
the SYS board.
2. Check if there is any abnormality in the parts mounted on
the SYS board or in the appearance of the SYS board.
3. Check if 10V is output from the power supply for the CCD.
4. Replace the SYS board.
e-STUDIO206L/256/306/356/456/506 / 207L/257/307/357/457/507
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Remark
Measure
ERROR CODE AND TROUBLESHOOTING
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