4 print quality is poor, Streaks and missing lines, Print is faded – HP 3840 User Manual

Page 72: Print quality is poor

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11.4 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

when the

print quality lessens.
If the print cartridge is not low on ink,

clean the print cartridge

.

• 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. 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.

• The print cartridges might be

out of ink

. Replace one or both empty print

cartridges.

Too much or too little ink appears on the page

Follow these steps to adjust the ink density:

1. Open the

Print

dialog box.

HP Deskjet 3840 series printer User's Guide

72

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