HP Deskjet 990cxi Printer - Manual (Page 47)

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Print Cartridges: Cleaning Print Cartridges
If You See Ink Streaks
Clean the print cartridges and the print cartridge
cradle by following the instructions below.
1 Open the HP DeskJet Toolbox . For more
information, see “HP DeskJet Toolbox” on page 13.
2 Click Clean the Print Cartridges and follow the
on-screen directions. If this does not prevent
streaks, follow the instructions for manually cleaning the print
cartridges in the next section.
Be careful not to get ink on your hands or clothing.
Manually Cleaning the Print Cartridges
and Print Cartridge Cradle
In order to properly clean the print cartridges and cradle, you will
need distilled or bottled water and cotton swabs or a similar lint-
free absorbent material that will not stick to the cartridges.
1 Press the Power Button to turn the printer on, then lift the top
cover.
2 After the print cartridges move into an accessible position,
unplug the power cord from the back of the printer.
Keep new and used print cartridges out of the reach
of children.
3 Remove the print cartridges and set them on a piece of paper
with the ink nozzle plate facing up.
Do NOT touch the print cartridge ink nozzles or copper
contacts. Touching these parts will result in clogs, ink
failure, and bad electrical connection. Also, do NOT remove the
copper strips; these are required electrical contacts.
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Caution