How to Use the Image Quality Service Diagnostic Print 183
Print Quality
3. Make sure media is loaded, the Pinch Lever is lowered and that the Ink System is correctly installed.
Press the Enter key to print the Diagnostic Print or press Back/Cancel to exit without printing the
Diagnostic Print.
4. The selected Diagnostic Print will now be printed.
Diagnostic Part 1: Printhead Problems
The Nozzle print test is designed to check if the Printhead nozzles print correctly. The Image Quality
Service Best should always be used to print this plot.
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. For every Printhead there
is a different horizontal band that can be identified with the help of the template marked with the colors
of the Printhead used at the right of every band.
There are a series of numbered stepped diagonal lines. If one or more of the nozzles are malfunctioning
or mis-positioned, you will see that the stepped lines are broken or misdirected in one or more places.
This is an example of nozzles outs. You can see the broken or the
skewed line, in this case marked in yellow to help you to understand
the issue. In the service plot there are no yellow marks.
This is an example of nozzles mis-positioned or malfunctioning. You
can see the broken or the skewed line, in this case marked in yellow
to help you to understand the issue. In the service plot there are no
yellow marks.
Corrective Action
If the printer has nozzle defects, it does not mean that you will not get perfect print quality results because
the Printer can automatically compensate for this so there is no need to replace the Printhead.
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