How to create custom paper sizes in Printer Properties in Windows 11, HP printers
How to register a custom paper size (non-standard paper)
B&W Photo Printing
Making Settings on the Main Menu
Printing Photos
Printing on Envelopes
PDF Writer - Create a new Paper Size
Printing on Envelopes
Paper Size
Getting Started > Printers > Windows 95/98/Me > Setting printer properties
Making Settings on the Main Menu
Printing Photos
Printing Text and Web Pages
Making User Defined Paper Sizes for Mac OS X