HP Deskjet 6988dt Printer - Print quality is poor

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Print quality is poor

Streaks and missing lines

If the 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 the 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 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 plastic tape

The print cartridges might be

out of ink

. Replace one or both empty print cartridges.

User's guide

139

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The printer might be in direct sunlight. Direct sunlight can adversely affect the

Automatic Paper-Type Sensor

. Move the printer out of direct sunlight.

You might be trying to print a borderless document with only the black print cartridge
installed. When printing a borderless document, always have the tri-color print
cartridge and a black or photo print cartridge installed.