Running Linux with HP Laserjet Pro MFP M125nw printer, Envelope feed is vertical center, Select this format and the address and return address do not line up with the envelope (offset by about 30%). I find if I select the feed from right side of tray, it does come out centered.
Looks like a dup of https://bugs.documentfoundation.org/show_bug.cgi?id=106831 Please if you are not agree, reopen it. *** This bug has been marked as a duplicate of bug 106831 ***