Can you pay by cash with Princh?

Yes.

When users submit a print job in Princh, they can choose to pay by cash picking the "order print" option (if you want to enable this feature). They subsequently enter their name and approach the counter. Staff members will be able to identify the print job(s) and see its price in the Princh Administration Panel. Upon payment to the staff, the print job(s) can be released via the Administration Panel. The user will then collect the print job at the printer.