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State of the lights Task
Connection light is on and the Error light
flashes twice
The camera has requested an
unsupported command.
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.
Chapter 11
(continued)
78 HP Deskjet 5900 series