Hi, I am publishing a newsletter that will be printed on a digital duplicator. Since this machine is essentially the same as a printing press, the content it scans to make the plate needs to have a halftone pattern on it for the pictures to show correctly, gradients to work right, and all that jazz. I'm fairly new to InDesign and am looking for a way to Export to a PDF or even just to print with a halftone screen applied to my whole document. Help and suggestions, please?
A digital duplicator is essentially the same as a printing press in as much as a microwave oven is essentially the same as a toaster.
There will be no plate made; the device will create the halftone pattern as part of its imaging process. You do not need to concern over creating the halftone yourself.
Simply export (don't print) a PDF to the settings your printer will recommend you: SIze, Bleed, Output Color Space, resolution between 240 and 300ppi.
You don't know my duplicator. It's not just a copy machine. Yes, it scans the document and then digitally makes a disposable plate for it.