Designjet Z Series — Service Manual 1-24
Reading the Diagnostic Print Results
Reading the Diagnostic Print Results
Diagnostic Part 1: Printhead Reliability
The Nozzle Print Test test is designed to check if the Printhead nozzles print
correctly.
The nozzles check (bottom of the plot) is printed in a one-pass full swath
mode. The diagnostics test prints out every single nozzle of each Printhead
without applying an error hiding or alignment algorithm.
For each Printhead, you can see both the adjacent and the consecutive
nozzles.
If any nozzles are not printing correctly they will be shown on the right of
each Printhead Nozzle test.There is a series of numbered stepped diagonal
lines. If one or more of the nozzles are clogged, malfunctioning or mis-
positioned, you will see that the stepped lines are broken or misdirected in
one or more places.
Below, the stepped lines highlighted in yellow are broken. When the line is
completely broken, this means the nozzle is out.
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