HP Officejet 7410 All-in-One Printer - Manual (Page 158)

If any of the remaining three lines are missing, faded, streaked, or show lines, this
might indicate a problem with the tri-color print cartridge in the left slot.
6 Make sure the color blocks have even consistency and are representative of the
colors listed below.
You should see cyan, magenta, yellow, violet, green, and red color blocks.
If color blocks are missing, or if a block of color is muddy or does not match the
label indicated below the block, this might indicate that the tri-color print cartridge is
out of ink. You might need to replace the print cartridge. For more information on
replacing print cartridges, see
Replace the print cartridges .
Note For examples of test patterns, lines of color, and color blocks from normal and
malfunctioning print cartridges, see the onscreen HP Image Zone Help that
came with your software.
Work with print cartridges
To ensure the best print quality from your HP all-in-one, you will need to perform some
simple maintenance procedures. This section provides guidelines for handling the print
cartridges and instructions for replacing, aligning, and cleaning the print cartridges.
Handle the print cartridges
Before you replace or clean a print cartridge, you should know the part names and how
to handle the print cartridges.
1 Copper-colored contacts
2 Plastic tape with pink pull tab (must be removed before installing)
3 Ink nozzles under tape
Hold the print cartridges by their black plastic sides, with the label on top. Do not touch
the copper-colored contacts or the ink nozzles.
User Guide 155
Maintain
your
HP all-in-one