Universal Drum Unit Rebuild Kit CANON iR ADVANCE C5030, iR ADVANCE C5035, iR ADVANCE C5045, iR ADVANCE C5051, iR ADVANCE C5235, iR ADVANCE C5240, iR ADVANCE C5250, iR ADVANCE C5255, GPR-30, 31, NPG-45, 46, C-EXV28, 29-Kit Universal Drum Unit Rebuild Kit:1,OPC Drum (Japan) 1,Drum Cleaning Blade 1,Primary Charge Roller (Japan) 1,Charge Roller Cleaning Roller 1,Drum Chip - 150K