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DIFFICULTY
Vertical streaks appear
in copies.
Printouts are too dark or
too light.
Printed pages contain
white stripes.
White Stripes or
Faint lmages
Printed pages are
stained with toner or
have vertical
stripes.
Dark Stripes or
Toner Stains
Printed pages have
white in black text and
graphic areas.
White Spots
Toner scatters and stains
the printed page.
Scattering Toner
T R O U B L E S H O O T I N G A N D R O U T I N E M A I N T E N A N C E
SUGGESTIONS
Copy Quality Difficulties
Sometimes you may see vertical streaks on your
copies. Either the scanner or the primary corona
wire for printing is dirty. Clean them both.
(See pages 15-23 to 15-25)
Print Quality Difficulties
Adjust the print conditions by setting the Print Density
light function. It has been factory set to the middle
position. (See
Setting the Print Density
You may fix this by wiping the scanner windows
with a clean soft cloth. (See
, page 15-23 and
Scanner
page 15-30.) If you still see white stripes or faint
images and the display shows CHANGE DRUM
SOON, replace the drum unit with a new one.
Clean the MFC's interior and the primary corona
wire of the toner cartridge. (See
, page 15-23 and
Maintenance
, page 15-25.) Make sure that the tab of the
Unit
corona wire is at the home position. If after
cleaning, you still see dark stripes or toner stains
and the display shows CHANGE DRUM SOON,
replace the drum unit with a new one.
Make sure that you use paper that meets the
specifications. spots Rough surface or thick media
can cause the problem. If you still see white spots
and the display shows CHANGE DRUM SOON,
replace the drum unit with a new one.
Adjust the print conditions by setting the Print
Density function. Remove the drum unit and clean the
MFC's interior. (See
23,
Cleaning the Printer
, page 15-25.) Make sure that you use paper
Drum Unit
that meets specifications. (See pages 2-7.) If you still
have scattered toner and the display shows CHANGE
DRUM SOON, replace the drum unit with a new one.
, page 5-5.)
Cleaning the Document
Replacing the Drum Unit
Routine
Cleaning the Drum
Routine Maintenance
, page 15-24 and
Cleaning the
,
, page 15-
15 - 15
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