HP 1055CMHP - Manual (Page 58)

HP No.80 Ink Supplies Troubleshooting
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HP DesignJets 1050C and 1055CM Printers Service Manual
What are HP No.80 Supplies?
For each of the four ink colors used in the printer, there are three
separate components. The printhead and the printhead cleaner are
supplied together, and the ink cartridge is supplied separately. All of
these components are called the HP No.80 Supplies. They are coded
with an HP No.80 selection number to identify the correct
replacement supplies.
Ink Cartridges
The HP No.80 ink cartridges for the HP DesignJet 1050C and
1055CM printers require no maintenance or cleaning. As long as
each ink cartridge is inserted correctly into its slot, the ink will flow
to the printheads.
The front panel displays the status of the Ink Cartridge. With the
front panel, detailed information can be checked on the Ink
Cartridges.
Printheads and Printhead Cleaners
The HP No.80 printheads are extremely durable and do not need to
be replaced every time an ink cartridge is replaced. They are
independent of the ink cartridges and will continue giving excellent
image quality results even if the ink cartridges are low on ink. See
page 3-6, When Should You Replace the HP No.80 Supplies?
If you notice a decline in print quality such as lines or dots missing
from text / graphics, go to page 6-13, Troubleshooting Print Quality
Problems.
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