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Ink layers and print passes refer to completely different things.
Multiple ink layers are typically used with white ink or varnish. With white ink, two layers would be white under CMYK (underflood) or white over CMYK (overflood), or sandwich modes 3-layer CMYK-white-CMYK or 5-layer opaque...
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This is the optimal way to produce high quality frontlit (day) and backlit (night) signage and graphics. Color/white/Color is the only way to avoid over-inking/ under-inking based on the illuminant - which changes from reflective (frontlit) to transmisive (backlit) over the course of the...
There are three types of canvas that can potentially be printed on a digital printer:
1) Aqueous coated canvas
2) Solvent coated canvas
3) Uncoated (raw) canvas
Of these, only the solvent coated medias will yield acceptable results with solvent ink.
Some UV, and Latex inks can successfully...
Most polyester and natural fiber textiles will require an amount of front tension to keep the media from bunching in the media path. The take-up reel's dancer bar provides that tension, but there are other ways that can be achieved for the first print, such as using spring loaded clamps or other...
3M 780Mc is a Certified media for Latex 300 Series. This is listed on the HP ProntOS Media Locator, which can be accessed from the printer front panel, or through a browser:
https://www.printos.com/ml/#/medialocator
Search the PrintOS Media Locator under the blue filter icon under Manufacturer...
Lee Manevitch's YouTube channel contains a wealth of information on white ink print production, both in design applications (Adobe-based) and various RIP software including Flexi/ SAI. Check it out.
https://www.youtube.com/results?search_query=lee+manevitch
Orafol 3952F, Drytac Viziprint, Lintec 2000Z, Nekoosa Hi-Stat Optically Clear Static Cling are several examples (among many others) of clear medias that come on clear synthetic liners. As mentioned, this is to provide optical clarity that is not possible with a paper liner.
Individual pinch rollers can be removed and cleaned or replaced. There are spare pinch rollers in the User Maintenance Kit that ships with the printer.
With HP Latex printers, printheads are a consumable item in the same sense that ink is a consumable. With the Latex 700 and 800 Series, printheads are typically being replaced when 6-8 liters of ink have been jetted from that head (with the exception of the white printheads). Note that there are...
HP has Certified a number of 3rd-party RIP softwares for use with HP Latex printers (among others), including Caldera, Onyx, SAI, Ergosoft, and Print Factory among several others.
This roll of banner is likely plasticizer-contaminated. To check this, clean a defined area with Isopropyl alcohol, mark the cleaned area with a sharpie marker, and then print a job that extends through the cleaned area. You are likely to learn that the cleaned area prints besutifally, while the...
In general, tunneling is related to the adhesive on the back of the media. Is it possible that this might be an older roll of media with compromized adhesive properties?
What happens when you advance the media without printing (using the front panel movement arrows)? Does the media still...
If you are interested in seeing your sample file printed onto a transparent adhesive film using 3-layer Color-White-Color, please ping me. I would be using the Latex 700 W to produce this.
P Wagner
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