Brother DCP1200 manual Difficulty, Suggestions, Print Quality Difficulties Continued, Black Page

Print Quality Difficulties (Continued)

Difficulty	Suggestions
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
Dark Stripes or	DRUM SOON, replace the drum unit with a
	new one.
Toner Stains
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
White Spots	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
Scattering Toner	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
Black Page	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
White Page	does not remain on the scanner window.

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