Toshiba e-STUDIO557 - 8.3.8 Scanning system related service call

e-STUDIO556/656/756/856/557/657/757/857 © 2011 - 2014 TOSHIBA TEC CORPORATION All rights reserved
ERROR CODE AND TROUBLESHOOTING
8 - 92
8.3.8 Scanning system related service call
[C260] Peak detection error
e-STUDIO556/656/756/856
Proced
ure
Check item Result Measures
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 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.)
3. Replace the Lens unit.
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.
4. Replace the SLG board.
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.
3. Replace the SLG board.
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.
4. Replace the Inverter board.
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.
3. Replace the Exposure lamp.
Supply harness 1. Check if wiring of the supply harness (CN127) is abnormal.
2. Check if the harness is scratched or open circuited.
3. Replace the Supply harness.
Replace parts Remarks
Lens unit
SLG board
Inverter board
Exposure lamp
Supply harness