Brother MFC-J4510DW Basic User's Manual page 139

Print Quality Difficulties (continued)
Difficulty
White horizontal lines appear in text
or graphics.
Letter, A4 and Executive
Ledger, A3, Legal, A5, A6,
envelopes, Photo (4  6 in.),
Photo L (3.5  5 in.), Photo 2L
(5  7 in.) and Index Card (5  8 in.)
The machine prints blank pages.
Characters and lines are blurred.
Printed text or images are skewed.
Smudge or stain at the top center of
the printed page.
Printing appears dirty or ink seems
to run.
Ink is smudged or running when
using glossy photo paper.
Suggestions
Clean the print head. (See Cleaning the print head on page 97.)
Make sure you are using Genuine Brother Innobella™ Ink.
Try using the recommended types of paper.
(See Acceptable paper and other print media on page 40.)
To prolong print head life, provide the best ink cartridge 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 to power down the machine. Using
machine ensuring periodic cleanings of the print head occur.
Clean the print head. (See Cleaning the print head on page 97.)
Make sure you are using Genuine Brother Innobella™ Ink.
To prolong print head life, provide the best ink cartridge 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 to power down the machine. Using
machine ensuring periodic cleanings of the print head occur.
Check the printing alignment. (See Checking the print alignment on page 99.)
Make sure the paper is loaded properly in the paper tray and the paper guides are
adjusted correctly. (See Loading paper and other print media on page 19.)
Make sure the Jam Clear Cover is closed properly.
Make sure the paper is not too thick or curled.
(See Acceptable paper and other print media on page 40.)
Make sure you are using the recommended types of paper. (See Acceptable
paper and other print media on page 40.) Don't handle the paper until the ink is
dry.
Make sure you are using Genuine Brother Innobella™ Ink.
If you are using photo paper, make sure that you have set the correct paper type.
If you are printing a photo from your PC, set the Media Type in the printer driver.
Be sure to check the front and back of the paper. Place the glossy surface (printing
surface) face down. (See Paper Type on page 38.)
If you use glossy photo paper, make sure that the paper type setting is correct.
Troubleshooting
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allows minimal power to the
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