Thank you to everyone that responded! I am impressed with the in-depth replies that I received and am grateful for all information provided. Recently, we replaced our old Vutek printer with a Vutek GS2000 LX Pro. This was a two-week transition period that included training in use of the new printer and its accompanying software. We have been using the new printer for a few weeks now and the red crop marks have yet to show up. I asked the individuals training us whether this was caused by the printer or by my creative software and they said that it was most likely caused by the printer and - if the marks show red or another color again - we need to re-calibrate our printer. During the time that we had the old printer, I made due by removing crop mark settings from my PDF and applying crop marks only through the printing software (Fiery XF) and this seemed to fix the issue for awhile. <--- Just mentioning this in case someone else is experiencing issues similar to mine and needs a quick fix (it worked for me anyway) As for the spot color that I had mentioned, it was present because we have a spot color in our logo and our logo is on the samples that we send out (again though, the issue for us was not the Pantone color but actually the printer needing re-calibrating).
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