Brother MFC-J4310DW Basic User's Manual page 119

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.
Print appears dirty or ink seems to
run.
Suggestions
Clean the print head. (See Cleaning the print head on page 78.)
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 29.)
To prolong print head life, provide the best ink cartridge economy and maintain
print quality, we do not recommend frequently unplugging the machine or leaving
the machine unplugged for extended periods of time. We recommend using
to power down the machine. Using
ensuring periodic cleanings of the print head occur.
Clean the print head. (See Cleaning the print head on page 78.)
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 or leaving
the machine unplugged for extended periods of time. We recommend using
to power down the machine. Using
ensuring periodic cleanings of the print head occur.
Check the printing alignment. (See Checking the print alignment on page 80.)
Make sure the paper is loaded correctly in the paper tray and the paper guides are
adjusted correctly. (See Loading paper and other print media on page 13.)
Make sure the Jam Clear Cover is closed correctly.
Make sure the paper is not too thick or curled.
(See Acceptable paper and other print media on page 29.)
Make sure you are using the recommended types of paper. (See Acceptable
paper and other print media on page 29.) Do not 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.
Troubleshooting
allows minimal power to the machine
allows minimal power to the machine
B
105