How do I set up my artwork to print in white ink on your envelopes? 23 July 2020 04:50 Updated With our white ink printer you need to set up your artwork as 100% black. Anything in black will print in white ink. Please see the Artwork Guidelines for more information... Related articles Can you print on the back flap of the envelopes too? My files are too large to upload – how to reduce file size. Pre-designed printed envelopes How do I set up my artwork? How long is the turnaround time for printing? Comments 0 comments Please sign in to leave a comment.