Brother DCP-8080DN/8085DN, MFC-8480DN/8880DN/8890DW manual 150

■Faulty registration

1. ADF

Step	Cause	Check	Result	Remedy
	Document rear	Does the document rear		Re-assembly the document
1	actuator catching	actuator move	No	rear actuator.
	on some position	smoothly?
	Fine adjustment	Is the problem solved by		Perform the fine
	of scan start	performing the fine		adjustment of scan start
2	position	adjustment of scan start	Yes	position.
	misalignment	position.		(Function code 54)
		(Function code 54)
2. Document table
Step	Cause	Check	Result	Remedy
	Fine adjustment	Is the problem solved by		Perform the fine
	of scan start	performing the fine		adjustment of scan start
1	position	adjustment of scan start	Yes	position.
	misalignment	position.		(Function code 54)
		(Function code 54)
2	CCD unit failure	Is the problem solved by	Yes	Replace the CCD unit.
		replacing the CCD unit.

■ Dark

<User Check>

- Check whether the setting of the contrast does not become dark.

Step	Cause	Check	Result	Remedy
	White level data	Is the problem solved by		Perform the acquisition of
1	malfunction	performing the	Yes	white level data. (Function
		acquisition of white level		code 55)
		data. (Function code 55)
2	CCD unit failure	Is the problem solved by	Yes	Replace the CCD unit.
		replacing the CCD unit.
3	Main PCB failure	Is the problem solved by	Yes	Replace the main PCB.
		replacing the main PCB.

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