HP Deskjet 5740 Color Inkjet Printer - Manual (Page 67)

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.
Maintaining print cartridges
The following tips will help maintain HP print cartridges and ensure consistent print
quality:
●
Keep all print cartridges in their sealed packages until they are needed. Print
cartridges should be stored at room temperatures (15° to 35° C or 59° to 95° F).
● Do not remove the plastic tape covering the ink nozzles until you are ready to
install the print cartridge in the printer. If the plastic tape has been removed from
the print cartridge, do not attempt to reattach it. Reattaching the tape damages the
print cartridge.
For information about storing print cartridges if they are removed from the printer, see
Storing print cartridges .
User's Guide 65