Brother DCP1200 - Manual (Page 122)

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 11 - 10
Printed pages are Clean the machine’s interior and the primary
stained corona with wire of the drum unit. (See Routine toner
or have vertical Maintenance and Cleaning the Drum Unit, on
stripes. pages 11-12 and 11-14.) Make sure that the tab
of the 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.
Printed pages have Make sure that you use paper that meets the
white spots in black specifications. Rough surface or thick media can
text and graphic areas. cause the problem. If you still see white spots
and the display shows CHANGE DRUM
SOON, replace the drum unit with a new one.
Check the machine’s environment; conditions
such as high humidity may cause this situation
to occur.
Toner scatters and Adjust the print conditions by setting the Print
stains the printed Density function. Remove the drum unit and
page. clean the machine’s interior. (See Routine
Maintenance, Cleaning the Printer and
Cleaning the Drum Unit, on pages 11-12 and
11-14.) Make sure that you use paper that
meets specifications. (See page 2-5.) If you
still have scattered toner and the display shows
CHANGE DRUM SOON, replace the drum
unit with a new one. Check the machine’s
environment; high temperature and high
humidity may cause this condition to occur.
The whole page is Clean the machine’s interior and the primary
printed black. corona wire of the drum unit. (See pages
11-17~19.) Also, do not use heat-sensitive paper
as it will cause this problem. After cleaning, if
the printed pages are still black or the display
shows CHANGE DRUM SOON, replace the
drum unit with a new one. The drum unit may be
damaged.
Nothing is printed on Make sure that the toner cartridge is not empty.
the page. Wipe electric terminals referring to Routine
Maintenance, Cleaning the Printer and
Cleaning the Drum Unit, on pages 14-12 and
11-14. Make sure that a torn piece of paper
does not remain on the scanner window.
Difficulty Suggestions
Print
Quality
Difficulties
(Continued)
Dark Stripes or
Toner Stains
White Spots
Scattering Toner
Black Page
White Page