HP Deskjet 642c Printer - Manual (Page 38)

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Using and Caring for Your Print Cartridges 3
5 Clean the face and edges of
the print cartridge as shown.
DO NOT wipe the nozzle
plate.
6 Inspect the cartridge for
fibers on the face and edges.
If fibers are still present,
repeat the cleaning process.
7 Repeat the cleaning process for the other print cartridge.
Once you’ve removed the print cartridges, make sure that they are not
outside of the print cartridge cradle longer than 30 minutes.
Manually Cleaning the Print Cartridge Cradle
1 Using clean, moistened swabs, wipe
the underside of each wall of the
cradle.
2 Repeat until no ink residue is seen
on a clean swab.
3 Reinsert the print cartridges, then
close the printer’s top cover.
4 Make sure white paper is loaded
into the IN tray.
5 Reinsert the electrical power cord
into the back of the printer.
6 Print a test page. Double-click the HP DeskJet 640 Series Utility icon in the
Utilities folder on your hard drive’s main directory, click the Test panel, then
click the Test button.
Do NOT clean
nozzle plate
Clean
Caution
Note:
If streaking still appears, repeat the procedure until the test
printout is clean. You will find additional maintenance tips at
http://www.hp.com/support/home_products.