P r i n t Q u a l i t y P r o b l e m s

Figure 7.5 Print Quality Problems (continued)

Problem

 

Possible Causes

 

Corrective Actions

 

 

 

 

 

 

 

 

 

 

 

 

Vertical dark streaks

1.

Defective EP cartridge

1.

Replace EP cartridge.

Black lines running across

2.

Contaminated paper path

2.

Clean paper path to remove any toner

the print in the direction

 

 

 

accumulations.

of paper movement.

3.

Contaminated Bias Transfer

3.

Contact your dealer or Xerox / Rank

 

 

 

 

 

 

 

 

 

Roll

 

Xerox.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Horizontal dark streaks

Black lines running across the page perpendicular to the direction of paper movement.

1.Defective EP cartridge

2.Contaminated paper path

3.Contaminated Bias Transfer Roll

1.Replace EP cartridge.

2.Clean paper path to remove any toner accumulations.

3.Contact your dealer or Xerox / Rank Xerox.

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Image 198
Xerox 4505/4505ps, 4510/4510ps manual Vertical dark streaks, Horizontal dark streaks