Greetings,
The printer is likely doing what it's being told. Can you provide pictures of the settings in your work flow?
This is usually how we determine what's going on and why something "undesired" might be happening.
My guess. Maybe you are trying to "maintain aspect" of the original?
~Rick
Bay Area - CA
~R5 C (1.0.9.1), ~R50v (1.1.1) ~RF Trinity, ~RF 100 Macro, ~RF 100~400, ~RF 100~500, ~RF 200-800 +RF 1.4x TC, BG-R10, 430EX III-RT ~DxO PhotoLab Elite ~DaVinci Resolve Studio ~ImageClass MF644Cdw/MF656Cdw ~Pixel 8 ~CarePaks Are Worth It
