HP deskjet 3840 Manuale Utente
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
Print is faded
• Verify that neither of the print cartridges is
.
when the
print quality lessens.
If the print cartridge is not low on ink,
If the print cartridge is not low on ink,
• 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.
. 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
dialog box.
HP Deskjet 3840 series printer User's Guide
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