HP 450c HP DesignJet 430/450C/488CA Printer - UserÂ’s Guide - Page 120

When to replace cartridges - designjet ink cartridges

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Maintaining your printer Replacing cartridges Replacing cartridges Replaceable print cartridges are used in the HP DesignJets 430, 450C and 488CA, greatly reducing the user maintenance requirements, as these are the components that suffer the greatest wear and tear. When to replace cartridges Replace cartridges in the following two circumstances. When you are troubleshooting print quality problems. See the section starting on page 9-12. When either poor print quality or the ink-level indicator on the cartridge indicates that the cartridge is out of ink. To check a cartridge's ink level Green = full More than half-empty* Black = empty * When the ink-level indicator shows approximately half-black and half-green, be sure to have a replacement cartridge available. The ink-level indicator is not an exact gauge of the specific quantity of ink available over the life of the print cartridge. To achieve the best lifetime for your pen cartridges, you should not remove them once they are installed, except to replace them. 7-2

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7–2
Replacing cartridges
Replaceable print cartridges are used in the HP DesignJets 430, 450C and 488CA,
greatly reducing the user maintenance requirements, as these are the components
that suffer the greatest wear and tear.
When to replace cartridges
Replace cartridges in the following two circumstances.
When you are troubleshooting print quality problems.
See the section starting on page 9–12.
When either poor print quality or the ink-level indicator on the cartridge
indicates that the cartridge is out of ink.
To check a cartridge’s ink level
Green = full
Black = empty
More than half-empty*
*
When the ink-level indicator shows approximately half-black and
half-green, be sure to have a replacement cartridge available.
The
ink-level indicator is
not
an exact gauge of the specific quantity of ink
available over the life of the print cartridge.
To achieve the best lifetime for your pen cartridges, you should not remove them
once they are installed, except to replace them.
Maintaining your printer
Replacing cartridges