Common HP Error Codes & Fixes:
02 – Warming Up: Printer is starting; wait. An HP Error Code 02, often showing as “Warming Up” or just “02,” means the printer isn’t ready, usually due to a door/cover issue (toner/top cover not shut tight) or a communication problem (cable, driver, power), though sometimes it’s just waiting for the fuser to heat up; try restarting, […]



