Compatible with the following printer models:
- HP LaserJet Pro mfp M521dn
- HP LaserJet Ent mfp M525dn
- HP LaserJet Ent mfp M525f
- HP LaserJet Ent flow mfp M525c
- HP LaserJet Pro mfp M521dw
- HP LaserJet Mngd flow mfp M525cm
- HP LaserJet Mngd mfp M525fm