Troubleshooting For Document Paper Feeding Problems; Multiple Documents Are Fed; Document Becomes Wrinkled - Brother ADS-2000 Service Manual

4.3

Troubleshooting for Document Paper Feeding Problems

4.3.1 Multiple documents are fed

<User Check>
- Check that paper used for the document is not thinner than the standard. If it is too thin,
use a carrier sheet.
- Check that the document is not damp. If it is damp, dry it or use a carrier sheet.
- Check that the machine is not scanning a glossy paper used in magazines and others.
Step
Connection failure of the double
1
feeding sensor harness
Incorrect parameter setting for the
2
double feeding sensor
3 Abrasion of the separation pad
4 Abrasion of the pick-up roller
Deformation of the front plate
5
spring
6 Double feeding sensor failure

4.3.2 Document becomes wrinkled

<User Check>
- Check that the document guide is adjusted to suit the document size.
- Check that the document is not curled.
Step
1 Abrasion of the pick-up roller
Cause
Reconnect the double feeding sensor
harness.
Set the parameter for the double feeding
sensor correctly.
Replace the separation pad.
Replace the pick-up roller ASSY.
Replace the separation pad cover.
Replace the double feeding sensor.
Cause
Replace the pick-up roller ASSY.
2-20
Remedy
Remedy
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