HP Deskjet 940c Printer series - automatically cleaning print cartridges

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automatically cleaning print cartridges

If your printed pages are missing lines or dots, or if they contain ink streaks,
the print cartridges need to be cleaned.

Print cartridges are cleaned automatically using the following procedure:

1.

Open the

HP Deskjet Toolbox

.

2.

Select the

Printer Services

tab.

3.

Select

Clean the Print Cartridges

and follow the on-screen directions.

If your printouts are still missing lines or dots after cleaning, a print cartridge
may be low on ink. If so, one or both print cartridges may need to be
replaced.

If ink streaks still appear on your printouts after cleaning, the print cartridges
and print cartridge cradle may need to be cleaned manually.

See also:

manually cleaning print cartridges
replacing print cartridges

If you have questions about the cleaning feature, point to the Clean the
Print Cartridge option and click the right mouse button to display the

What’s This?

dialog box. Click

What’s This?

for more information.

Only clean print cartridges when it is necessary. Unnecessary cleaning
wastes ink and shortens the life of the cartridge.

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