Print PDF for printing on glass

michaelejahn

Well-known member
Okay, so, this PDF is how the files arrive. They are designed so that they print on glass. you need to open in Acrobat then use the overprint preview tool ( otherwise, it will look blank / white )

The white needs to be printed first, then the colors on top of the white.

- while this works, making a PDF proof is - well - complicated.

My question is, why make the designers do this - can this be wrangle in a RIP ?
 

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Depends on your rip

In Prinergy, I would use the plate builder tool to add white to all objects.
Gets complicated if there are images, but works well for vectors
If you just want a rectangle of white under the whole print area, then just add a white rectangle using Pitstop Pro after proofing
 
Or you can make pdf file as pdfx2001 - acrobat reader/pro will show those with overprint preview on by default
 
Hi -

No complications here.
We KEEP Acrobat to overprint preview. ;-)
We have had to educate clients as to why their screen view is different than ours.
We explain that Overprint On is the CORRECT setting for Commercial Print Work - because that really is what you'll get as a result.
You might see my 'rant' about A#$$@@be ~recently allowing 'Transparent RGB White' in Indesign/Acrobat which promptly DISAPPEARS in CMYK output.
i.e. Customer says 'Hey, my white type is gone in the printing.'

Sigh.

Okay, so, this PDF is how the files arrive. They are designed so that they print on glass. you need to open in Acrobat then use the overprint preview tool ( otherwise, it will look blank / white )

The white needs to be printed first, then the colors on top of the white.

- while this works, making a PDF proof is - well - complicated.

My question is, why make the designers do this - can this be wrangle in a RIP ?
 
Mike,
I'm not aware of a rip which will wrangle that problem for you, it may be out there though. You could fiddle with the files in other ways, like keeping the Primer, White and Topcoat on separate layers and then simply turning those layers off for viewing but leaving them on for print. Again, file fiddling. One way to do this automatically may be via PitStop Pro / PitStop Server. If PitStop Pro can be made to create the needed objects/separations/OP status, PitStop Pro can be set up to monitor a hotfolder. Build the files art only and after soft proofing, drop them in the hotfolder for the addition of print seps. I'll try it out in the trial version of PitStop Pro. It might be helpful if your utility separations carried a light tint of color.
I think I smell money - burning.
 

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    Edit Pdf layers.png
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My question is, why make the designers do this - can this be wrangle in a RIP ?

I would like to thank the designer for the technically correct file.

Either you have to communicate the overprint preview in Acrobat with the customer, which I would recommend, or you can send a screenshot for a softproof as the simplest variant, if the content-related completeness of the reproduction is to be approved ...

To honour the overprint-mode is no problem for postscript-based or APPE-RIPs , but for a lot of office-placed printers with RIP´s whithout this ability the chance is really high to get an incorrect print from them.

Or you can make pdf file as pdfx2001 - acrobat reader/pro will show those with overprint preview on by default

take care: this depends from the affected preferences-settings either in Acrobat Pro or Reader by the customer, by doubts that is to communicate whith the customer, too:

Preview Preferences Acrobat.png


and by the way: there are some other apps to show PDF whithout any ability to honour overprint settings...
 
I would suggest you download the free version of our PDF editor Packz, called PackzView. This will always show you what any PDF rip will create. No need to worry about overprint previews. PackzView understands the PDF structure much better than other free viewers.

PACKZVIEW

Attached is a screenshot of what I see on your file without having to change any preferences.
 

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  • Screen Shot 2021-03-23 at 10.08.12 PM.png
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I would like to thank the designer for the technically correct file.

Either you have to communicate the overprint preview in Acrobat with the customer, which I would recommend, or you can send a screenshot for a softproof as the simplest variant, if the content-related completeness of the reproduction is to be approved ...

To honour the overprint-mode is no problem for postscript-based or APPE-RIPs , but for a lot of office-placed printers with RIP´s whithout this ability the chance is really high to get an incorrect print from them.



take care: this depends from the affected preferences-settings either in Acrobat Pro or Reader by the customer, by doubts that is to communicate whith the customer, too:

View attachment 290578

and by the way: there are some other apps to show PDF whithout any ability to honour overprint settings...

my German sucks Ulrich ! Care to share a screen capture in English ? - LOL
 
my German sucks Ulrich !
You are not alone with this, i am sure ;-)

Sorry: I assumed that anybody, who is in a professionally way involved in print, is capable to leave his mind by side, just using the eyes and do the math counting down, no matter where settled and in which language normally writing or talking,
LOL
 

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