OPC Drum Kit Katun Access. For CEXV53 / GPR57 / NPG73 Drum Unit Yields up to 150,000 pages Contains (1) OPC Drum (1) Drum Cleaning Blade (1) Charge Roller Cleaning Wipe (1) Drum Unit Reset Chip For use in IR ADVANCE 4525 I , IR ADVANCE 4525 I II , IR ADVANCE 4525 I III , IR ADVANCE 4535 , IR ADVANCE 4535 I , IR ADVANCE 4535 I II , IR ADVANCE 4535 I III , IR ADVANCE 4545 , IR ADVANCE 4545 I , IR ADVANCE 4545 I II , IR ADVANCE 4545 I III , IR ADVANCE 4551 I , IR ADVANCE 4551 I II , IR ADVANCE 4551 I III