Brother ADS-2000e, Руководство по обслуживанию

Страница: 38 / 124

2-14
Confidential
4. TROUBLESHOOTING
4.1 Troubleshooting for Error Display
4.1.1 The double feeding sensor detected multiple documents.
4.1.2 The document scanning position sensor detected that the document length
was 40 cm or more. (Document jam)
4.1.3 The document scanning position sensor has not detected the top of the
document even after the document has been fed for the specified distance.
(Document jam)
<User Check>
- Check that the paper used for the document is within the standard.
Step Cause Remedy
1
Incorrect parameter setting for
the double feeding sensor Set the parameter for the double feeding
sensor correctly.
2 Double feeding sensor failure Replace the double feeding sensor.
3 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check that the document guide is adjusted to suit the document size.
Step Cause Remedy
1
Document scanning position
actuator caught in a section of
the machine Reattach the document scanning position
actuator.
2 Main PCB failure Replace the main PCB ASSY.
<User Check>
- Check that the document size is within the standard.
- Check that the document is not wrinkled.
- Check that the document is not torn.
- Check that the front cover is closed correctly.
Step Cause Remedy
1
Document scanning position
actuator caught in a section of
the machine Reattach the document scanning position
actuator.
2
Attachment failure of the gears
in the feeding system Reattach the gears in the feeding system.
3 Separation pad failure Replace the separation pad ASSY.
4
Abrasion of the pick-up roller
ASSY Replace the pick-up roller ASSY.
5
Misalignment or bending of the
pick-up roller support film Replace the pick-up roller cover ASSY.
6 Front cover sensor failure Replace the front cover sensor.
7 One way clutch failure Replace the one way clutch.
8 Main motor failure Replace the main motor.
9 Main PCB failure Replace the main PCB ASSY.