Printing to PDF returns blank PDF

When printing to a PDF. I am only getting a blank PDF.
No matter what driver I use (Rhino or Adobe)

Here is the sysinfo data:

Rhino 7 SR4 2021-3-19 (Rhino 7, 7.4.21078.01001, Git hash:master @ a432d22ab7f0f7b53d157d578278070c8bf6eff4)
License type: Commercial, build 2021-03-19
License details: Cloud Zoo

Windows 10.0.19041 SR0.0 or greater (Physical RAM: 64Gb)

Computer platform: DESKTOP

Standard graphics configuration.
Primary display and OpenGL: NVIDIA Quadro RTX 4000 (NVidia) Memory: 8GB, Driver date: 3-10-2021 (M-D-Y). OpenGL Ver: 4.6.0 NVIDIA 461.92
> Accelerated graphics device with 4 adapter port(s)
- Windows Main Display attached to adapter port #0
- Secondary monitor attached to adapter port #1

OpenGL Settings
Safe mode: Off
Use accelerated hardware modes: On
Redraw scene when viewports are exposed: On

Anti-alias mode: 4x
Mip Map Filtering: Linear
Anisotropic Filtering Mode: High

Vendor Name: NVIDIA Corporation
Render version: 4.6
Shading Language: 4.60 NVIDIA
Driver Date: 3-10-2021
Driver Version: 27.21.14.6192
Maximum Texture size: 32768 x 32768
Z-Buffer depth: 24 bits
Maximum Viewport size: 32768 x 32768
Total Video Memory: 8 GB

Rhino plugins that do not ship with Rhino
C:\Users\mail\AppData\Roaming\McNeel\Rhinoceros\6.0\Plug-ins\Lumion LiveSync for Rhino (839d6175-32d1-4ffe-a0a4-b7fb43cf0ff5)\2019.11.5.949\Lumion\Rhino 6.0\LumionPlugin.rhp “Lumion LiveSync for Rhino”

Rhino plugins that ship with Rhino
C:\Program Files\Rhino 7\Plug-ins\Commands.rhp “Commands” 7.4.21078.1001
C:\Program Files\Rhino 7\Plug-ins\WebBrowser.rhp “WebBrowser”
C:\Program Files\Rhino 7\Plug-ins\rdk.rhp “Renderer Development Kit”
C:\Program Files\Rhino 7\Plug-ins\RhinoScript.rhp “RhinoScript”
C:\Program Files\Rhino 7\Plug-ins\RhinoBonusTools.rhp “Rhino Bonus Tools”
C:\Program Files\Rhino 7\Plug-ins\IdleProcessor.rhp “IdleProcessor”
C:\Program Files\Rhino 7\Plug-ins\RhinoRenderCycles.rhp “Rhino Render” 7.4.21078.1001
C:\Program Files\Rhino 7\Plug-ins\rdk_etoui.rhp “RDK_EtoUI” 7.4.21078.1001
C:\Program Files\Rhino 7\Plug-ins\rdk_ui.rhp “Renderer Development Kit UI”
C:\Program Files\Rhino 7\Plug-ins\NamedSnapshots.rhp “Snapshots”
C:\Program Files\Rhino 7\Plug-ins\Alerter.rhp “Alerter”
C:\Program Files\Rhino 7\Plug-ins\RhinoCycles.rhp “RhinoCycles” 7.4.21078.1001
C:\Program Files\Rhino 7\Plug-ins\export_PDF.rhp “PDF Export” 7.4.21078.1001
C:\Program Files\Rhino 7\Plug-ins\Toolbars\Toolbars.rhp “Toolbars” 7.4.21078.1001
C:\Program Files\Rhino 7\Plug-ins\3dxrhino.rhp “3Dconnexion 3D Mouse”
C:\Program Files\Rhino 7\Plug-ins\Displacement.rhp “Displacement”

Does this happen with even simple files like a rectangle or with a specific file? If this is file specific, can you send me the file so I can see if I can repeat the issue on my computer?

Thank you Steve for the quick response.
I created a new doc with a simple rectangle.
Setup for printing and it has the same effect. The print preview is an empty grey box.

Here is a link to a screen shot of the print dialog with the viewport in the background.

Try disabling the Lumion plug in in Rhino’s pluginmanager and then restart Rhino. I would be curious to know if you get the sane results with your rectangle test.

Disabled and restarted.
It did not fix the issue.

I am going to go in and disable as many as I can to see if I can get a result.

That didn’t work either.
I read through a google search that someone had a similar issue with R5 back in 2015.
The solution was going into the registry and deleting a default print setup key.
I looked through the registry to see if I could find a similar key for R7 but could not.

What is your scale set to on the print dialog? Try scale to fit if it isn’t set

I have attempted scale to fit and 1:1.
I have also attempted different sheet sizes.

After some more banging of keys I have narrowed down the issue.
I am now getting results from printing all the viewports except the custom viewports I have setup.

One mistake I made was checking all the toggles in the visibility pulldown in the print dialog.
One of those options was ‘show only selected’ (slapping my forehead.)

On the custom pages / viewports I setup I can get the text labels to show, but not the model.
Here is a LINK to the model to see if the same issue happens on your end. At this point I am pretty sure its an option that I am missing, but I have been looking at it too long and sure I am looking over the obvious.

Thank you for taking the time to look at this!!!

I am also finding I can print any of the standard views. I cannot print the tabs that I have setup for 24"x36" sheets with several viewports in each.
I have been creating individual elevation views and merging them in photoshop.

I’m experiencing the same issues. Exporting custom layouts to PDF returns them as blank pages. Using the latest version of Rhino7 across two different machines, both of which are rendering the same issues. Even tried different files (and projects) in an attempt to isolate. My only workaround is having to export single pages and combine them via Acrobat. Very annoying to say the very least.

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