GPR-57 NPG-73 C-EXV53 Drum Unit for iR ADVANCE 4525i 4535i 4545i 4551i 0475C003AA 0475C002AA 0475C001AA 200K The GPR-57 NPG-73 C-EXV53 Drum Unit is designed for use with select iR ADVANCE printers, supporting consistent print performance over an extended page yield.With a rated of 200, 000 pages, this drum unit suits environments requiring and reduced replacement frequency.Compatible models include the iR ADVANCE 4525i, 4535i, 4545i, 4551i, and their II and III series variants.The unit is engineered to integrate with these devices, contributing to sustained printer efficiency and operational continuity.Its design allows for straightforward installation, downtime during replacement.Constructed with materials, the drum unit supports stable performance under regular use.It operates at a low temperature threshold of 105℃ and maintains a noise level within a 3dB bandwidth, supporting a quieter printing environment suitable for office settings.