Brother DCP1200 - Manual (Page 123)

11 - 11 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
Print
Quality
Difficulties
(Continued)
Difficulty Suggestions
Printed pages are Markings may disappear by themselves. Try
marked at regular copying multiple pages to clear this problem.
intervals. Markings may occur if the machine has not
been used for a long time. A possible cause is
that the surface of the drum is scratched or the
drum was marked or damaged by excessive
exposure to light. In this case, replace the drum
unit with a new one.
Printed pages are Certain environmental conditions such as
blurred at the center humidity, high temperatures, etc. may cause
or at either edge. this condition to occur. Make sure the machine
is placed on a flat, horizontal surface. Remove
the drum unit with the toner cartridge installed.
Try rocking them from side to side. You may
clear a blurred page by wiping the scanner
windows with a clean soft cloth. (See Routine
Maintenance, Cleaning the Printer and
Cleaning the Drum Unit, on pages 11-12
and 11-17.) If a blurred page occurs after
cleaning and the display shows CHANGE
DRUM SOON, replace the drum unit with a
new one.
Ghost images appear Adjust the print conditions by setting the Print
on printed page. Density function. Make sure that you use paper
that meets the specifications. Rough surfaces
or thick media can cause a ghost image. Make
sure that you select the appropriate media type
in the printer driver.
Example of Regular
Marking
,,,,,, ,,,,,, ,,,,,, ,,,,,, ,,,,,, ,,,,,,
,,,,,, ,,,,,, ,,,,,, ,,,,,, ,,,,,, ,,,,,, ,,,,,,
Ghost Images
The drum unit is a consumable item and it is necessary to replace it
periodically.
Blurred Page