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Maintaining the Print Cartridges
Aligning the print cartridges
You should align the print cartridges whenever a new cartridge is installed. This insures that black and colour
inks will align when printed together on the same text, line, or graphic.
1 Turn on the computer and printer.
2 Run the HP DeskJet 1120C Toolbox by double-clicking the DJ1120C Toolbox icon on the desktop
or in the program group.
3 Click the Maintenance tab.
4 Select Align Print Cartridges.
5 Follow the instructions on your computer screen to align the cartridges.
Cleaning the print cartridges
Clean the print cartridges when you notice lines or dots missing from printed text or graphics.
Note: Do not clean print cartridges unnecessarily, as this consumes ink and shortens the life
of the print cartridges.
1 Run the HP DeskJet 1120C Toolbox by double-clicking the DJ1120C Toolbox icon on the desktop or in
the program group.
2 Click the Maintenance tab.
3 Select Clean Print Cartridges.
4 Follow the instructions on your computer screen to clean the cartridges.
Section 2 - Printing Basics
Replacing the Print Cartridges
Note: Do not remove a print cartridge until you are ready to replace it. If one print cartridge is empty,
the other will still print. However, the printer will not print unless both cartridges are in place.
Use only recommended print cartridges (HP part no. 51645A for black and HP part no. C1823A for
colour). Damage to the printer or the print cartridge resulting from modifying or refilling the print
cartridge is not the responsibility of Hewlett-Packard.
1 Turn on the printer, and then open the top cover.
The print cartridge cradles move to the center of the printer, and the Cartridge light flashes.
2 Lift up the print cartridge latch, grasp the top of the print cartridge, and pull it up and out of its cradle.
3 Remove the new print cartridge from its package and gently remove any tape covering the ink nozzles,
being careful not to touch the ink nozzles or the gold-coloured contacts.
4 Push the new cartridge down firmly into its cradle slot and close the print cartridge latch.
5 Close the printer's top cover.
The cartridges return to their "home" position on the right side of the printer,
and the Resume light stops flashing.
Replacing and Maintaining Print Cartridges