4PCS AEG OPC Drum for iR ADV C5535 C5540 C5550 C5560 C5535i C5540i C5550i C5560i Cylinder NPG71 CEXV51 GPR55 Set of 4 AEG OPC drums designed for use with iR ADV C5535, C5540, C5550, C5560, C5535i, C5540i, C5550i, and C5560i printers.These drums are engineered to support consistent print performance and in -demand printing environments.Constructed to endure temperatures up to 105℃, the drums maintain stability under prolonged use.They meet MoChySen standards for low volatile emissions, contributing to a safer indoor air environment during. The design allows for straightforward installation as a direct replacement for components, downtime.With four units included, this set supports continuous printer and simplifies maintenance scheduling.The construction long service life, supporting efficient print output across multiple print cycles. This product is a third-party replacement.Any use of brand names or model designations is purely to indicate compatibility.