⭐⭐⭐⭐☆ (4.5/5) or ★★★★★ (5/5)

Apple removed built-in support for Prolific PL2303 in macOS Catalina and later. Fix: Download the Prolific macOS Driver v1.8 (or newer) and allow it in Security & Privacy under “Allow system software from Prolific Technology.”

: Adjust the "Darkness" or "Print Density" settings in the Printer Preferences menu. Skipping Labels