MFC 4550/6550MC/7550MC

OP-US-5.0

TROUBLESHOOTINGPROCEDURES

Question

Recommendation

Printed pages are

Certain environmental conditions such as humidity, high

blurredatthecenteror

temperatures,etc.maycausethisconditiontooccur.

ateitheredge.

• Makesurethemachineisplacedonaflat,horizontalsurface.

 

• Removethedrumunitwiththetonercartridgeinstalled.Try

 

rockingthemfromsidetoside.

 

• You may clear the problem by wiping the scanner windows

 

with a clean soft cloth. (See “Regular Maintenance” and

 

“Cleaning the Drum Unit” on page 14-1~3.)

 

If the same problem occurs after cleaning and the display

 

shows CHANGE DRUM, replace the drum unit with a new

Blurred Page

one.

 

 

Ghost images appear on

• Turntheprintdensitydialcounterclockwiseforlighterimages.

printedpages.

See “The Print is too Light or too Dark” on page 16-6.

 

• Make sure that you usepaper that meets the spacifications.

 

Rough surface or thick media can cause the problem.

Ghost Images

NOTE

Thedrumunitisaconsumableitem,anditisnecessarytoreplaceitperiodically.

16-17

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Image 222
Brother 6550MC, 7550MC warranty 16-17