Is the result tiling and he is just print sheet 1 of?
or is it really just cutting of a portion of each sheet?
It sounds like they might have the printer set to add its default margins to your preset ones.
Erika
Architect, Consultant
MacBook Pro Retina, 15-inch Yosemite 2.8 GHz Intel Core i7 16 GB 1600 MHz DDR3
Mac OSX 10.11.1
AC5-18
Onuma System
"Implementing Successful Building Information Modeling"