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Print quality problems – Xerox 4520 User Manual

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

C h a p t e r 7 : T r o u b l e s h o o t i n g

7-43

Figure 7.6 lists common print quality problems, the likely

cause, and recommended actions.

Figure 7.6

Print Quality Problems

Problem

Possible Causes

Corrective Actions

Light/faint prints

Overall image is lighter
than normal.

1.

Tone level low/empty

2.

Print Density adjustment set
too low

3.

Damp paper stock

4.

Transfer Corotron wire
broken/dirty

1.

Replace EP cartridge.

2.

Adjust Print Density (see

Chapter 6

).

3.

Replace paper stock.

4.

Replace Transfer Corotron (see

Chapter 6

).

Blank Prints

Entire printed page is
blank with no visible
print.

1.

EP Cartridge insert is still in
place

2.

Defective EP cartridge

3.

Multiple sheets are being fed
from the paper tray at the
same time.

4.

No printable data received
from computer

1.

Remove the paper insert (see

Chapter 6

).

2.

Replace EP cartridge.

3.

Remove paper from paper tray and fan
it. Ensure that paper is correctly loaded
in tray with edges under metal corners
(see

Chapter 2

).

4.

Produce a Test Print (see

Chapter 3

). If

the Test Print is normal, check the
following:

Interface cable between computer

and printer

Printer set up and application

software

If the Test Print is blank, contact your
dealer or Xerox / Rank Xerox.

Print Quality

Problems

WUG-CH07 Page 43 Black,Red,Cyan Wednesday, January 25, 1995 3:45 PM

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