Brother International MFC 9160 Owners Manual - Page 74

Replacing the Toner, Cartridge, Regular Maintenance, Setting the Print Density, Paper Type, Media Type

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DIFFICULTY The whole page is printed black. SUGGESTIONS Wipe the electric terminals. Also, do not use heat-sensitive paper as it will cause this problem. After cleaning, if the printed pages are still black and the display shows CHANGE DRUM SOON, replace the drum unit with a new one. Black Page Nothing is printed on the page. Make sure that the toner cartridge is not empty. If the toner cartridge is empty, replace the toner cartridge. (See Replacing the Toner Cartridge, page 74.) White page Printed pages are marked regular intervals. Markings may disappear by themselves. Try copying at multiple pages to clear this problem. 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 marked or damaged by excessive exposure to light. In this case, replace the drum unit with a new one. Example of Regular Marking Printed pages are blurred at the centre or at either edge. Blurred Page Certain environmental conditions such as humidity, high temperatures, etc. may cause 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 Regular Maintenance, page 71.) 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 on printed pages. Ghost Images Adjust the print conditions by changing the Print Density setting. (See Setting the Print Density, page 11.)-OR-Rough surfaces or thick media can cause a ghost image. Make sure you select the Paper Type that suits the paper in your multi-purpose sheet feeder. (See Paper Type, page 20 and Media Type, page 27.) The drum unit is a consumable and it is necessary to replace it periodically. 68 Chapter 9

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68
Chapter 9
The whole page is printed
black.
Black Page
Wipe the electric terminals. Also, do not use heat-sensitive paper as
it will cause this problem. After cleaning, if the printed pages are
still black and the display shows
CHANGE DRUM SOON
,
replace the drum unit with a new one.
Nothing is printed on the
page.
White page
Make sure that the toner cartridge is not empty. If the toner cartridge
is empty, replace the toner cartridge. (See
Replacing the Toner
Cartridge
, page 74.)
Printed pages are marked
regular intervals.
Example of Regular Marking
Markings may disappear by themselves. Try copying at multiple
pages to clear this problem. 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 marked or damaged by excessive exposure to light. In
this case, replace the drum unit with a new one.
Printed pages are blurred at
the centre or at either edge.
Blurred Page
Certain environmental conditions such as humidity, high
temperatures, etc. may cause 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
Regular Maintenance
, page
71.) 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 on
printed pages.
Ghost Images
Adjust the print conditions by changing the Print Density setting.
(See
Setting the Print Density
, page 11.)—
OR
—Rough surfaces or
thick media can cause a ghost image. Make sure you select the Paper
Type that suits the paper in your multi-purpose sheet feeder. (See
Paper Type
, page 20 and
Media Type
, page 27.)
The drum unit is a consumable and it is necessary to replace it periodically.
DIFFICULTY
SUGGESTIONS