P150-638v6.0 Release Category: Stable Release / Major Update Hardware Target: Printer Controller Board (Main Logic Board) Primary Function: Controls print head alignment, paper feeding mechanisms, interface communication (USB/Serial/Ethernet), and power management.
Loss of sound or certain input functions (HDMI, VGA) after a power surge. How to Install (General USB Method) P150-638v6.0 Firmware
If you are looking to "put together" the software side or perform a recovery, follow these general steps used by technicians: Check for Hardware Failures P150-638v6