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HP DesignJets 1050C and 1055CM Printers Service Manual
How to fix the Nozzle Defects
NOTE If your printer has nozzle defects, it does not mean that you will
not get perfect print quality results. The printer has automatic
procedures to hide many nozzle defects. This type of problem
affects mostly Normal and Draft modes.
1 Go to the Printer submenu and press Enter.
2 Go to the Utilities/Recover Printheads.
3 Select the printhead color that is responsible for the problem. The
printer will try to ‘Recover’ the defective printhead. If you are not
sure which printhead color is giving you the problem select all of
the printheads. Please wait as the process of recovery takes a few
minutes.
4 Reprint the Print Quality Test to check that the defective nozzles
have been corrected.
5 If the error is still present, replace the worst printheads.
Color Alignment Print Test
This part of the Print Quality Test is designed to check the color
alignment. It produces twelve patterns each with two different
primary colors. In each pattern you will see a cross surrounded by
another color. If there is misalignment between the colors there will
be inconsistent spacing between the cross and the other color.
There are two types of misalignment:
Horizontal - when the misalignment is in the horizontal axis.
Vertical - when the misalignment is in the vertical axis.
Ready
MAGENTA
YELLOW
BLACK
CYAN
Ink
Printer submenu
Utilities
Recover
Printheads
All, cyan,magenta
yellow, black