I am operation PS 20 under Windows 10 and using an HP Officejet Pro 6230.
No matter what size I set my image in, say A5 (210 x 148 mm), and then attempt to print setting all print dialog elements to that size the long size of the printed sheet is left short by approximately 17mm. i.e. my printed image is truncated on the long side to 193 mm.
This feature is proportionately consistent no matter what size I attempt to print at. All attempts to find the reason have failed. Can anyone tell me what I am not doing correctly please???