Print Quality Problems

Print Quality Problems

The most common cause of poor print quality is the dirty corona wire or precharger wire. A rare cause is the expired fuser unit. The figures below show the typical appearances.

to

wire

 

Due todirtycorona wire

 

Too light

White vertical line

Ghost printing

Too light

White vertical line

Ghost printing

 

to

wire

Due todirtyprecharger wire

Black vertical line

Toner stains (back)

 

Clear black vertical line

 

Toner stains (back)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

SOLVING

PROBLEMS

Due to both

Smudging

Due to expired fuser unit Due to both

BlurredSmudgingblack vertical line

User’s Manual

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