Brother HL-L6250DW Online User's Manual page 264

Difficulties
The machine prints the first couple of pages correctly,
then some pages have missing text.
The machine does not print on both sides of the paper
even though the printer driver setting is 2-sided and the
machine supports automatic 2-sided printing.
Print speed is too slow.
The machine does not feed paper.
The machine does not feed paper from the MP tray.
The machine does not feed envelopes.
Related Information
• Troubleshooting
• Monitor the Status of the Machine from Your Computer (Windows
• Monitor the Status of the Machine from Your Computer (Macintosh)
• Cancel a Print Job
• Load and Print Using the Paper Tray
• Clean the Paper Pick-up Rollers
• Load and Print Using the Multi‑purpose Tray (MP Tray)
Suggestions
(HL-L6400DW/HL-L6400DWT) Press
Check the settings in your application to make sure they
are set up to work with your machine.
Confirm that the Brother printer driver is selected in your
application's Print window.
Check the settings in your application to make sure they
are set up to work with your machine.
Your computer is not recognizing the full signal of the
machine's input buffer. Make sure you connected the
interface cable correctly.
Check the paper size setting in the printer driver. You
must select Letter, Legal, Folio, Mexico Legal and India
Legal paper that is 16 to 28 lb (60 to 105 g/m
Try changing the printer driver setting. The highest
resolution needs longer data processing, sending and
printing time.
If there is paper in the paper tray, make sure it is straight.
If the paper is curled, straighten it. Sometimes it is helpful
to remove the paper, turn the stack over and put it back in
the paper tray.
Reduce the amount of paper in the paper tray, and then
try again.
Make sure MP Tray is not selected for Paper Source in
the printer driver.
Clean the paper pick-up rollers.
Fan the paper well and put it back in the MP tray firmly.
Make sure MP Tray is selected as Paper Source in the
printer driver.
Load envelopes in the MP tray. Your application must be
set to print the envelope size you are using. This is
usually done in the Page Setup or Document Setup menu
of your application.
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