I do not know how to find the firmware.plt do update Designjet T1200. All of possible solution tell us to update the firmware. The machine does not statup ( 79:04 ERROR) , but I can connect them by Diagnostic Menu and see the IP. As I can´t connect by browser, I can not use any .fmw firmware do update. Please, if someone know how to download this file, let me know. Thanks very much.