It is easter…. Holidays. The weather is good and here I am, upgrading the firmware of my old Lexmark S1255 laserprinter (with an marknet N2002E network adaptor) just for the fun of it. Very simple actually
thosan-laptop% unzip N2000.ZIP
Archive: N2000.ZIP
inflating: 3_20_45.PSW
inflating: README.TXT
thosan-laptop% tftp 192.168.1.3
tftp> bin
tftp> put
(file) 3_20_45.PSW /dev/flash
Sent 1068122 bytes in 10.5 seconds
tftp>
Nothing more, nothing less. Printer firmware is upgraded.