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Troubleshooting
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Copying Difficulties
Difficulty Suggestions
Vertical black lines or streaks
appear in copies.
(MFC-J4420DW)
Black vertical lines on copies are typically caused by dirt or correction fluid on the
glass strip. Clean the glass strip, scanner glass, and the white bar and white
plastic above them. (See Cleaning the scanner on page 33.)
Black marks or spots appear in
copies.
Black marks or spots on copies are typically caused by dirt or correction fluid on
the scanner glass. Clean the scanner glass and white plastic above it.
(See Cleaning the scanner on page 33.)
Poor copy results when using the
ADF. (MFC-J4420DW)
Try using the scanner glass. (See Using the scanner glass on page 16.)
Fit to Page does not work correctly. Make sure the document is not skewed on the scanner glass.
Reposition the document and try again.
Scanning Difficulties
Difficulty Suggestions
Poor scanning results when using
the ADF. (MFC-J4420DW)
Vertical black lines appear in
the scanned data.
Clean the white bar and the glass strip underneath it. (See Cleaning the scanner
on page 33.)
Try using the scanner glass. (See Using the scanner glass on page 16.)
PhotoCapture Center Difficulties
Difficulty Suggestions
Removable Disk does not work
correctly.
1 Take out the USB flash drive and put it back in again.
2 If you have tried “Eject” from within Windows
®
, take out the USB flash drive
before you continue.
3 If an error message appears when you try to eject the USB flash drive, it
means the card is being accessed. Wait a while, and then try again.
4 If all of the above do not work, turn off your PC and machine, and then turn
them on again.
Part of my photo is missing when
printed.
Make sure that Borderless printing and Cropping are turned off.
For more information, see Online User’s Guide: Print Photos with Auto Cropping
and Print Borderless Photos from Media.
Software Difficulties
Difficulty Suggestions
Cannot install software or print.
(Windows
®
)
Run the Repair MFL-Pro Suite program on the CD-ROM. This program will repair
and reinstall the software.