What quality tests do toner cartridges undergo before leaving the factory?
High-quality compatible toner cartridges are not simply "assembled and ready to ship." 1. Appearance and Structural Inspection: The first step is an appearance and structural inspection to ensure the casing is intact, components fit tightly, and there is no toner leakage or abnormal noise. The ACO toner cartridge factory employs a multi-stage quality control process, […]