Possible Component Defects And Resulting Problems; 1 ] Adf Mechanism - Brother DCP6690CW Service Manual

4.2.6 Possible Component Defects and Resulting Problems

This section lists possible component defects and what happens due to them. It also describes
what happens if the necessary adjustments or data settings into the memories is not made.

[ 1 ] ADF mechanism

Defective component
ADF motor
Document feed roller
Separation pad
Document front sensor
actuator
Document rear sensor
actuator
Document width sensor
actuator
- Document will not be able to be fed.
- Documents will jam.
- Documents will skew.
- Documents will not be able to be fed.
- Two or more sheets of documents will be fed at once.
- Document draw-in operation will not start even though
documents have been set.
- Document draw-in operation will continue even though
all documents have been fed into the machine.
The scanner may not scan the full document area correctly
due to misdetection of the document width; therefore, the
unscanned area may be missing from the output.
4-52
Result Error codes
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A2, A3
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A3
A2, A3
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