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Confidential

2-88

■ Image is stretched

(1) ADF

(2) Document scanner unit

■ All black

■ Shadows when scanning by document scanner

Step Cause Solution

1 ADF motor defective Replace the ADF unit.

Step Cause Solution

1 FB motor defective Replace the document scanner unit.

< User Check >

- Install the latest firmware.

Step Cause Solution

1 White level correction data failure Carry out maintenance 55.

2 First side or second side CIS flat

cable connection failure

Reconnect the first side or second side

CIS flat cable.

3 First side or second side CIS flat

cable defective

Replace the first side or second side CIS

flat cable.

4 First side or second side CIS unit

defective

Replace the first side or second side CIS

unit.

5 Main PCB defective Replace the main PCB.

< User Check >

- Check that the document cover is firmly closed.

- Clean the document cover glass.

Step Cause Solution

1 The ADF hinges are deformed, and the

document cover cannot be closed properly.

Replace the ADF hinge.

2 First side CIS unit defective Replace the first side CIS unit.

3 Dirt on the document cover glass Replace the document scanner unit.

4 Main PCB defective Replace the main PCB.

Brother MFC-J6535DW Service Manual

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