HP LaserJet Enterprise 500 MFP M525 - Manual (Page 64)

Toner cartridge view
2 3
1
1 Imaging drum
CAUTION: Do not touch the shutter or the surface of the roller. Doing so can damage the cartridge.
2 Memory chip
3 Pull tab for the sealing tape
50 Chapter 4 Parts, supplies, and accessories ENWW