: If standard sizes like A4 don't fit your needs, you can create custom paper formats through the Print Server Properties in your computer's settings.
OCOM is a manufacturer of Point-of-Sale (POS) peripherals, most notably thermal receipt printers, barcode scanners, and cash drawers. Like most POS hardware, OCOM printers do not operate via standard "plug-and-play" protocols found in consumer office printers. They require specific driver software to translate commands from the operating system (Windows, Linux, etc.) into machine-readable code (typically ESC/POS commands). ocom printer driver
Different printer series require specific driver packages, which can be found on the OCOM Download Center : If standard sizes like A4 don't fit
: Use the "Maintenance" or "Utility" tab in the driver settings to perform test prints or nozzle checks to ensure the hardware is functioning correctly. They require specific driver software to translate commands