Toshiba e-Studio 350 - Scanning System Related Service Call

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5.1.8 Scanning system related service call
[C260] Peak detection error
Does the exposure lamp light? (Perform the output check in the test mode: 03-267)
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È
YES Æ 1) Check if the connectors on the CCD and SLG boards are disconnected.
2) Check if the shading correction plate is dirty.
3) Check if the conductor pattern on the CCD board is short circuited or open
circuited.
4) Check if the conductor pattern on the SLG board is short circuited or open
circuited.
5) Replace the lens unit.
6) Replace the SLG board.
NO
1) Check if the connectors of the exposure lamp and inverter are disconnected.
2) Check the SLG board if the connector pin CN9 is disconnected or the harness is short cir-
cuited or open circuited.
3) Check if the conductor pattern on the SLG board is short circuited or open circuited.
4) Replace the SLG board.
5) Replace the inverter.
6) Replace the exposure lamp.