Xerox 4520 User Manual
Page 221
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
❖
7-47
Dark spots/marks
1.
Defective EP cartridge
2.
Contaminated paper path
3.
Contaminated Fuser Rolls or
Wiper
1.
Replace EP cartridge.
2.
Clean paper path to remove any toner
accumulations.
3.
Replace Fuser Wiper (see
Chapter 6
). If
problem is not resolved, contact your
dealer or Xerox / Rank Xerox.
Residual image
Ghost images of
previous pages is
produced along with the
current page.
1.
Defective EP cartridge
2.
Contaminated Fuser Rolls or
Wiper
1.
Replace EP cartridge.
2.
Replace Fuser Wiper (see
Chapter 6
). If
problem is not resolved, contact your
dealer or Xerox / Rank Xerox.
Figure 7.6
Print Quality Problems
(continued)
Problem
Possible Causes
Corrective Actions
WUG-CH07 Page 47 Black,Red,Cyan Wednesday, January 25, 1995 3:45 PM