OVERRIDE A4/LETTER - HP Printers (Options Explained)

 I saw online quite few times the qustion:

"What the OVERRIDE A4/LETTER do in HP Printer Settings?"

OVERRIDE A4/LETTER

NO YES

Select YES to print an A4-size job on Letter-size paper if A4-size paper is not loaded in the product (or vice versa). The default setting is YES.