TROY Security Printers provide the benefit of a locking tray to help protect your high valued prescription, check, transcript and plain paper stock. These printers are standard HP printers that have been modified to help protect your high-valued paper stock ONLY. This printer does not include additional fonts or toner sensing. Printer Includes:  One (1) 50-sheet Multipurpose Tray, One (1) 250-sheet Input Tray with Lock and One (1) 500-sheet Input Tray with Lock | This printer functions as a standard HP-CF399A and has been modified to help protect your high-valued paper stock ONLY. This printer does not include additional fonts or toner sensing.