HP Envelope Feeder (CB524A) holds up to 75 Envelopes. Works on all HP LaserJets P4014, P4015, P4510 Series printers and Laser Multifunction Printer HP LaserJet Enterprise M4555 MFP Series.
Makes business mailing simple, efficient and professional. Print directly to various sizes of envelopes including up to 75 Monarch to B5-sized envelopes.
Warranty: 90 day warranty.