5.Make sure the test patterns are even and show a complete grid.
If more than a few lines in a pattern are broken, this might indicate a problem with the nozzles. You might need to clean the print cartridges. For more information, see Clean the print cartridges.
6.Make sure the lines of color extend across the page.
If the black line is missing, faded, streaked, or shows lines, this might indicate a problem with the black or photo print cartridge in the right slot.
If any of the remaining three lines are missing, faded, streaked, or show lines, this might indicate a problem with the
7.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
8.Check the color blocks and lines of color for streaking or white lines.
Streaks might indicate clogged nozzles or dirty contacts. You might need to clean the print cartridges. For more information on cleaning the print cartridges, see Clean the print cartridges. Do not clean with alcohol.
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
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