All articles and guides on "QIDI Box" — helpful 3D printing resources from Printer Hub.
The real QIDI Max4 problems: PLA clogs from heat creep in the hot chamber, fussy QIDI Box feeding, raw firmware and broken OTA, the FOC self-correction myth, Polar Cooler noise and hose kinks, Z-offset drift. Step-by-step fixes, the parts you need and an error-message reference.