Cleaning The Paper Pick-Up Roller; Cleaning The Print Head - Brother MFC-790CW User Manual

Cleaning the paper pick-up
roller
a
Pull the paper tray completely out of the
machine.
b
Unplug the machine from the electrical
socket and open the Jam Clear
Cover (1) at the back of the machine.
1
c
Clean the Paper Pick-up Roller (1) with
isopropyl alcohol on a cotton swab.
1
d
Close the Jam Clear Cover.
Make sure the cover is closed correctly.
e
Put the paper tray firmly back in the
machine.
f
Re-connect the power cord.
Troubleshooting and Routine Maintenance

Cleaning the print head

B
To maintain print quality, the machine will
automatically clean the print head. You can
start the cleaning process manually if there is
a print quality problem.
Clean the print head and ink cartridges if you
get a horizontal line or blank text in the text or
graphics on your printed pages. You can
clean Black only, three colours at a time
(Cyan/Yellow/Magenta), or all four colours at
once.
Cleaning the print head consumes ink.
Cleaning too often uses ink unnecessarily.
CAUTION
DO NOT touch the print head. Touching the
print head may cause permanent damage
and may void the print head's warranty.
a
Press .
b
Press Cleaning.
c
Press Black, Color or All.
The machine cleans the print head.
When cleaning is finished, the machine
will go back to the Ready screen
automatically.
Note
If you clean the print head at least five
times and the print has not improved, try
installing a new Brother original
Innobella™ replacement cartridge for
each problem colour. Try cleaning the
print head again up to five more times. If
the print has not improved call your
Brother dealer.
B
B
165