HiTi P510 Photo Printer. It has Error Code 128?

Service Manual. http://edis.hiti.com/disupload/upload/distributor/technicalupdate/p510s%20service%20guide%201.1.pdf On the HiTi P510 series printers, error code 128 (often displayed as hexadecimal 0x00007540 or related standalone prompts) indicates that the printer is stuck in Standalone Mode and cannot process direct jobs until it is toggled back to standard PC/print mode. [1]
How to Clear Error 128

• Exit Standalone Mode: Use the printer's LCD control panel interface to navigate the menu and exit the standalone/kiosk operation mode. [1]


• Power Cycle: Turn the printer off completely, wait 10 seconds, and turn it back on while ensuring no standalone controller or active menu prompt is trapping the system.


• Check Connections: Disconnect and reconnect the USB cable linking the printer to your computer or event terminal to re-establish normal host control.