HP Color LaserJet 8550 Multifunction Printer series - Manual (Page 22)

EN Printer Information 21
HP Color LaserJet 8550MFP
The HP Color LaserJet 8550MFP comes standard with a 100-sheet
tray 1, a 500-sheet tray 2, a 500-sheet tray 3, a duplexer, 64 MB RAM,
an HP JetDirect print server (10/100 Base-TX), an internal hard disk,
a printer/copy module stand, and a copy module.