HP Deskjet 6840 Color Inkjet Printer - Manual (Page 117)

Caution: Do not touch the print cartridge ink nozzles. Touching the ink
nozzles will result in clogs, ink failure, and bad electrical connections.
1. Clean only the copper contacts
Repeat this process until no ink residue or dust appears on the swab that you
use to clean the contacts.
3. Insert the print cartridges in the printer, and then close the printer cover.
10.6 Printing a test page
Follow these steps to print a test page:
1. Open the HP Inkjet Toolbox .
2. Select the Test panel.
3. Click the Print a test page button, and then follow the onscreen instructions.
10.7 View estimated ink levels
Follow these steps to view the estimated ink levels of the print cartridges that are
installed in the printer:
1. Open the HP Inkjet Toolbox .
2. Select the Ink Levels panel.
10.8 Removing ink from skin and clothing
Follow these instructions to remove ink from skin and clothing:
HP Deskjet 6800 series printer User's Guide
117