Toshiba e-studio600 Service Manual page 397

[C840] Small original reverse sensor adjustment error
Is there any extraneous material between the small original reverse sensor and reflective
mirror?
YES Æ Remove the extraneous material.
È
NO
Is the reflective mirror tainted?
YES Æ Clean up the mirror.
È
NO
Is the conductor pattern around IC6, IC11 and CN16 on the ADF board short- or open-cir-
cuited?
YES Æ Replace the ADF board.
È
NO
Replace the small original reverse sensor.
[C850] Tray lift motor abnormality
Is the lifting tray lifted when originals are set on the feeding tray?
NO Æ
l
l
l
l
l
l
l
l
l
l
l
l
l
È
YES
Is the lifting tray upper limit detection sensor working properly when the lifting tray is lifted?
NO Æ
È
YES
Is the lifting tray lowered when originals are removed from the original tray?
NO Æ
l
l
l
l
l
È
YES
1) Replace the lifting tray lower limit detection sensor.
2) Replace the ADF board.
March 2005 © TOSHIBA TEC
Is the loading of the lifting tray normal?
NO Æ
l Adjust the mechanical loading. Remove, if any,
È extraneous materials.
YES
Is the power voltage for CN5-5 and CN6 on the ADF board 24V?
NO Æ
Replace the ADF board.
È
YES
Replace the lifting tray motor.
Replace the lifting tray upper limit detection sensor.
NO Æ
l Is the loading of the lifting tray abnormal, adjust the
l
mechanical loading. Remove, if any, extraneous
l
materials.
È
YES
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e-STUDIO520/600/720/850 TROUBLESHOOTING
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