Brother DCP-T300 Basic User's Manual page 66

Print Quality Difficulties
Difficulty
Poor print quality.
The printout is faint, even after
refilling with Brother Original ink.
White horizontal lines appear in text
or graphics.
58
Suggestions
Check the print quality. (See Checking the print quality on page 37.)
Make sure that the Media Type setting in the printer driver or the Paper Type
setting in the machine's menu matches the type of paper you are using.
(See Paper Type on page 16.)
(See Software and Network User's Guide.)
Make sure that your ink is fresh. The following may cause ink to clog:
 The expiration date written on the bottle package has passed.
 The ink has been in your machine for over six months.
 The ink bottle may not have been stored correctly before use. Store the ink
bottle on a level surface in a cool, dark place.
Make sure you are using Brother Original ink. Brother does not recommend using
or refilling with any kind of ink other than Brother Original ink.
Make sure you are using one of the recommended types of paper.
(See Acceptable paper and other print media on page 17.)
The recommended environment for your machine is between 20 C to 33 C.
The refilled ink may not have reached the print head.
Perform the following special cleaning operation:
Press Menu and then press a or b and the OK button to select 1.Ink >
2.Cleaning.
Press and hold down Menu, while pressing OK. The machine will begin its
cleaning procedure.
NOTE
This cleaning method requires enough ink to fill the ink delivery tubes. Before
cleaning, refill all ink tank colours.
Clean the print head. (See Cleaning the print head on page 37.)
Make sure you are using Brother Original ink.
Try using the recommended types of paper.
(See Acceptable paper and other print media on page 17.)
To prolong print head life, provide the best ink economy and maintain print quality,
we do not recommend frequently unplugging the machine and/or leaving the
machine unplugged for extended periods of time. We recommend using
power down the machine. Using
ensuring periodic cleanings of the print head occur.
allows minimal power to the machine
to