.

Irregular, raised spots or stray toner

Problem

Solution

 

 

Toner is smudged on the back of pages.

Toner collected on the transfer belt can cause

 

smudging on the back of a page. Smudges

 

commonly appear on the edges of pages after

 

media size is changed. The belt is self-

 

cleaning and the smudging will normally clear

 

within a few pages. Print 5 to 10 pages to clear

 

the smudge.

 

 

The printer recently had a media jam or the

Print 5 to 10 pages to clear any smearing.

printer fed multiple sheets of media.

 

 

 

Toner is smeared on the edge of the media.

Toner on the edge of the media is usually

 

caused by toner collecting on paper guides.

 

Inspect the paper guides and clean with a lint-

 

free cloth if necessary.

 

 

You are refeeding paper that has already

Do not re-feed paper. Re-feeding paper

passed through the printer or through a copier.

contaminates the fuser, causing stray toner

 

defects.

 

 

The fuser roller is dirty.

Print 5 to 10 pages to clean the fuser roller.

 

 

.

Banding

Problem

Solution

 

 

Dark and light bands appear in large areas of

If the problem persists, the imaging drum may

halftone areas.

be past its useful life. Print a configuration

 

page to verify the remaining life of the imaging

 

drum. Replace the imaging drum if necessary.

 

 

Consumable items may be beyond their useful

Print a configuration page to verify the

life.

remaining life of the consumable item. Replace

 

any consumable items that are past their rated

 

life.

 

 

Certain halftone patterns exaggerate banding.

Try a different halftone pattern.

 

 

.

 

158 Solving Problems with the Printer

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HP 4500 N manual Irregular, raised spots or stray toner, Banding