T3-OPX User Guide
69
9
Printing on uneven surfaces
(die-to-die overlap feature)
When printing on uneven surfaces it can be useful to use the die-to-die overlap feature. This
feature will enable to the operator to move the print unit further from the media.
We recommend only doing this using an existing successful scan of the nozzle alignment plot.
This is indicated with the button “Use last successful scan” in the scan nozzle alignment
process.
The feature will allow -8 and 7 nozzles of modification to the alignment. Positive values will push
the lines together and negative values move them apart.
•
Positive values should be used when white lines appear (too far from the media, which
is the typical challenge).
•
Negative values should be used when darker lines appear (too close to the media).
The die-to-die overlap feature allows the operator to control the die lines that are positioned with
approximately 20mm separation.
If the printhead is too far from the media the die lines will be visible as white lines. The
recommendation is to get closer to the media, but if this is not possible (for example if the
handles from a paper bag are interfering with the transport), then the solution could be to adjust
the die-to-die overlap.
For example, a die-to-die value of 4, will typically allow a 2mm higher print height.
It is recommended to set the print height in the media settings first to ensure consistency in the
process.
Process of adjusting the die-to-die overlap
1.
Go to T3-OPX Diagnostics tab.
2.
Select
Scan Nozzle alignment plot
3.
Insert the die-to-die overlap value (-8 to 7).
4.
Select
Use the last successful scan
and wait for the process to finish.
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