Canon imageRUNNER ADVANCE 8500 series, Руководство по устранению неисправностей, Страница: 75 / 95

E840-0001 due to the defect securing screws for the fixing shutter
motor
[Symptom]
In the machines prior to the Countermeasure cut-in serial number in factory described below E840-0001 may occur.
E840-0001 : Fixing Shutter Motor error
[Cause]
The screws securing the fixing shutter motor are loosened and come off after some endurance time has elapsed and from
vibration, then the fixing shutter motor becomes unable to be driven the fixing shutter and ends in the above mentioned symptom.
[Service work]
When the above mentioned symptom has occurred, replace the screws that are securing the fixing shutter motor with the screw
with washer (XB2-8301-009) referring to the service manual.
The Fig.[A] shows the previous screw and Fig.[B], the screw with washer to be replaced with.
1) Pull out the Fixing Feed Unit.
2) Remove the Fixing Front Cover and the Fixing Drive Unit 1.
3) Replace the 2 screws [2] that are securing the fixing shutter motor [1] with the screw with washer (XB2-8301-009).
The Fig.[C] shows the securement with the previous screw and Fig.[D], with the screw with washer.
4) Reassemble the parts in reverse order from the step 2).
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