Xerox Xerox® 4110 Copier Betriebsanweisung

Xerox 4590/4110 Copier/Printer User Guide

11-9

11. Problem Solving

When image quality of the printed result is poor, choose the 

closest symptom in the following table and perform the required 

remedy.
If image quality is not improved by performing the relevant 

remedy, contact the Customer Support Center.

The copy is dirty. Is the document glass or the 

document cover dirty?

Clean the document glass or the document 

cover.
Refer to “Cleaning the Document Cover 

and Document Glass” on page 10-19.

Is the document made of 

highly transparent material 

like a transparency?

If the document is highly transparent, 

marks on the document cover will be 

copied. Place a white sheet of paper on the 

document and make a copy.

Is the document colored, of 

a rough texture or a 

blueprint?

Either adjust the copy density or image 

quality and then retry copying.
Refer to “Image Quality tab” on page 2-26, 

Are you making copies of 

glossy printing paper?

Glossy printing paper sticks easily to the 

document glass and shadows are 

sometimes copied and reproduced as dirt. 

Place a transparency or highly transparent 

film under the document and retry copying.

The copy has 

black lines.

Is the scanning glass on the 

feeder dirty?

Clean the document glass.
Refer to “Cleaning the Document Cover 

and Document Glass” on page 10-19.

The copy is too 

dark.

Is the copy density set to 

?

Adjust the copy density.
Refer to “Lighten/Darken” on page 2-27.

The copy is too 

light.

Is the density of the 

document too light?
Is the copy density set to 

?

The copy shifts 

slightly.

Is the paper shifting or is the 

leading edge of the paper 

not loaded flush with the 

tray corners?

Align the edges of the paper and load the 

paper again so that is flush against the 

paper tray corners.
Refer to “Load paper in the trays” on 

page 7-4.