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Digital printing inks are not opaque and allow light to pass through them very readily. When printed to a white substrate, light reflects off the colorant due to the opaque surface, but on clear media, light passes through regardless of the ink deposit.
The 'ideal' solution to this problem is...
Keep in mind that the Latex 1500 printer also uses a larger ink package (5 liters per color), and the ink cost per liter decreases substantially as the ink package size increases.
The images you posted were not printhead alignment plot. They are from the Ink Density and ICC Profile chart sets.
With current firmware, I would recommend using the manual printhead alignment (versus the automatic alignment), to achieve optimal PH align results.
HP Latex 700/ 800 printers require single-phase 220v power (2), with a voltage range between 200-240. Be aware those are hard limits to the supported range, so anything outside of that range would require a buck boost transformer.
If the contact is occurring in the print zone (with the carriage), then increasing the vacuum would be correct.
The other possibility is that the media is touching the roof of the curing unit causing ink smears. Look into the cure unit while the ink is curing to see if the paper is 'tenting'...
While everyone is entitled to their opinion, I would encourage you to compare white ink from eco-solvent, UV, and HP Latex roll-feed printers for yourself.
Please message me if you would like a free white ink print sample on clear film from the Latex 700/ 800 W. Five white print modes are...
In recent versions of Onyx, Pure Hues is found within the Job Editor (previously called Preflight) as well as Edit Quicksets. Click the change Profiles button, and in the resulting dialog, click the icon framed in red for the desired data (raster/ vector and CMYK/RGB).
I do not recall which...
Disabling color management in Job Editor (All ICC Profiles Off) would do this, but would likely cause all kinds of random havoc with other colors, particularly with RGB-based objects.
A different option would be to enable Pure Hues for Black & Grey. This dialog is found in Job Editor > Printer/...
If you are really interested in learning and understanding color management and process control, I would suggest that you start with a basic online course:
https://idealliance.org/professional/
The CMP Fundamentals Course will give you a solid grounding into the basics of color management. From...
Endutex makes Latex printable synthetic Polyurethane Leather, and I have seen printable PVC-based synthetic leather as well. Not sure if they have a USA office or not, but they are based in Portugal.
Latex firmware for 3x5 is NEXUS_07_10_00.1
Download to the PC from:
https://support.hp.com/us-en/drivers/selfservice/hp-latex-315-printer/12709295
One downloaded, push the update to the printer through the Embedded Web Server (browser) printer interface
Does your printer have white ink, and offer the ability to print 2-layer (with an opaque white underflood)? If not, the print color is going to be all over the place after applying to different color walls.
You have also got Laminate Overhang on at least one side (see attached, framed in red). This can cause the exposed adhesive to catch on laminator surfaces like the bottom roller, or platen features on the exit side, and lead to wrinkling and wasted prints. Roller balance and pressure are...
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