HP CM6049F MFP - Manual (Page 215)

Install an HP Jetdirect or EIO print server card or EIO hard disk
The HP Color LaserJet CM6049f MFP is equipped with an embedded print server port. If desired, you
can install an additional I/O card in the available EIO slot.
1. Turn the product off.
2. Disconnect all power and interface cables.
ENWW Replace supplies 199