HP 3940 User's Guide - (Windows) - Page 56

Print quality is poor, Streaks and missing lines, Print is faded, Blank s print

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Chapter 10 Print quality is poor Streaks and missing lines If your printed pages are missing lines or dots or if streaks appear, the print cartridges might be low on ink or might need to be cleaned. Print is faded ● Verify that neither of the print cartridges is low on ink. If a print cartridge is low on ink, consider replacing the print cartridge. For the correct part numbers, see the reference guide that came with the printer. ● Verify that a black print cartridge is installed. If the black text and images on your printouts are faded, you might be printing with only the tri-color print cartridge. Insert a black print cartridge, in addition to the tri-color print cartridge, for optimal black print quality. ● Verify that the protective piece of plastic tape has been removed from the print cartridges. 1 Remove the pink plastic tape. ● Consider selecting a higher print quality. Blank pages print ● The protective piece of plastic tape might still be attached to the print cartridges. Verify that the plastic tape has been removed from the print cartridges. 1 Remove the pink plastic tape. ● The print cartridges might be out of ink. Replace one or both empty print cartridges. 54 HP Deskjet 3900 series

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Print quality is poor
Streaks and missing lines
If your printed pages are missing lines or dots or if streaks appear, the print cartridges
might be
low on ink
or might need to be
cleaned
.
Print is faded
●
Verify that neither of the print cartridges is
low on ink
.
If a print cartridge is low on ink, consider replacing the print cartridge. For the
correct part numbers, see the reference guide that came with the printer.
●
Verify that a black print cartridge is installed.
If the black text and images on your printouts are faded, you might be printing
with only the tri-color print cartridge. Insert a black print cartridge, in addition to
the tri-color print cartridge, for optimal black print quality.
●
Verify that the protective piece of plastic tape has been removed from the print
cartridges.
1
Remove the pink plastic tape.
●
Consider selecting a higher
print quality
.
Blank pages print
●
The protective piece of plastic tape might still be attached to the print cartridges.
Verify that the plastic tape has been removed from the print cartridges.
1
Remove the pink plastic tape.
●
The print cartridges might be
out of ink
. Replace one or both empty print
cartridges.
Chapter 10
54
HP Deskjet 3900 series