HP Deskjet 5740 Printer series - Cleaning instructions

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Cleaning instructions

1

Moisten a cotton swab with distilled water and squeeze any excess water from the
swab.

2

Wipe the print cartridge copper contacts with the cotton swab.

Caution

Do not touch the print cartridge ink nozzles. Touching the ink

nozzles will result in clogs, ink failure, and bad electrical connections.

1
2

Ink nozzles (do not touch)
Copper contacts

3

Repeat this process until no ink residue or dust appears on the swab.

4

Insert the print cartridges

in the printer, and then close the printer cover.