| Problem | Solution | |----------------------------------|-------------------------------------------------------------------------------------------| | Code 10 (Device cannot start) | Uninstall driver → download (for older chips) → reinstall. | | Code 28 (Driver not installed) | Manually point Device Manager to the .inf file from the driver package. | | Device disappears after reboot | Disable Windows automatic driver update: System Properties → Hardware → Device Installation Settings → No . | | Counterfeit PL-2303 error | Prolific drivers after 2012 block fake chips. Use v3.3.11.152 or replace the adapter. | | macOS / Linux not detecting | On Linux: sudo modprobe pl2303 . On macOS: install driver from Prolific (may require disabling SIP). |
Identify the device:
: Setting up the "COM Port." Even after installing the Windows driver, the printer won't work until the user manually identifies the correct COM port (e.g., COM5) in the printer properties—a hurdle that stops many. Technical Resources for MPT-II Mpt-ii Driver Download
During installation, you will be asked to choose the connection type (USB, Bluetooth, or Serial). Select USB if you are directly connected. | | Counterfeit PL-2303 error | Prolific drivers
Drivers often require manual COM port assignment in Windows and can be difficult to find on official manufacturer sites. Compatibility: On macOS: install driver from Prolific (may require