Micro Solutions Enterprises (MSE) offers a complete line of toners, injects and a variety of imaging supplies. MSE''s focus on quality consistently drives the company to deliver excellent service and value with all its product lines.This product is designed for the following systems:Pitney Bowes Documatch;Canon EP-N/LBP NX/NX600/P170;HP LaserJet IIISi;HP LaserJet IIISi MAC/IIISi PS;HP LaserJet 4Si/4SiMX;HP LaserJet 33491A;HP LaserJet C2010A/C2011A/C2064