HP Deskjet Ink Advantage 4640 User Guide - Page 85

Tips for working with cartridges, for more information.

Page 85 highlights

Tips for working with cartridges Use the following tips to work with cartridges: ● To protect the cartridges from drying out, always turn the printer off using the On button, and wait until the On button light goes out. ● Do not open or untape cartridges until you are ready to install them. Leaving tape on the cartridges reduces ink evaporation. ● Insert the cartridges into the correct slots. Match the color and icon of each cartridge to the color and icon for each slot. Make sure the cartridges snap into place. ● Align the printer for best print quality. See Improve print quality on page 98 for more information. ● When the Estimated Ink Levels screen shows one or both cartridges in a low state, consider getting replacement cartridges to avoid possible printing delays. You do not need to replace the cartridges until print quality becomes unacceptable. See Replace the cartridges on page 75 for more information. ● If you remove a cartridge from the printer for any reason, try to replace it again as soon as possible. Outside of the printer, if unprotected, cartridges begin to dry out. ENWW Tips for working with cartridges 79

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Tips for working with cartridges
Use the following tips to work with cartridges:
To protect the cartridges from drying out, always turn the printer off using the
On
button, and wait until
the
On
button light goes out.
Do not open or untape cartridges until you are ready to install them. Leaving tape on the cartridges
reduces ink evaporation.
Insert the cartridges into the correct slots. Match the color and icon of each cartridge to the color and
icon for each slot. Make sure the cartridges snap into place.
Align the printer for best print quality. See
Improve print quality
on page
98
for more information.
When the Estimated Ink Levels screen shows one or both cartridges in a low state, consider getting
replacement cartridges to avoid possible printing delays. You do not need to replace the cartridges until
print quality becomes unacceptable. See
Replace the cartridges
on page
75
for more information.
If you remove a cartridge from the printer for any reason, try to replace it again as soon as possible.
Outside of the printer, if unprotected, cartridges begin to dry out.
ENWW
Tips for working with cartridges
79