HP LaserJet 4250 Service Manual - Page 107
Windows NT 4.0, Windows 2000, Windows XP, or Windows Server 2003, Remote firmware update through a Windows network, Remote firmware update for UNIX systems, Remote firmware update using FTP on a direct network connection
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Windows NT 4.0, Windows 2000, Windows XP, or Windows Server 2003 The .rfu file can be sent directly to the printer by typing a copy command at a command prompt or in an MS-DOS window. 1 At a command prompt, type: copy /b where is the name of the .rfu file, including the path, and is the name of the appropriate printer port, such as LPT1. For example, C:\>copy /b c:\4250fw.rfu lpt1. NOTE If the file name or path includes a space, you must enclose the file name or path in quotation marks. For example, type: C:\>copy /b "c:\My Documents\4250fw.rfu" lpt1 2 Press Enter. A message appears on the control panel. See Printer messages during firmware update. At the end of the upgrade process, Ready appears on the printer-control panel. 3 At the command prompt, type the word "exit" to close the command window. Remote firmware update through a Windows network If the printer is shared on a Windows network, follow these instructions. 1 From a command prompt or in an MS-DOS window, type: copy /B \ \\ where is the name of the RFU file (including the path), is the name of the computer from which the printer is being shared, and is the printer share name. For example, C:\>copy /B c: \4250fw.rfu \\your_server\your_computer. NOTE If the file name or path includes a space, you must enclose the file name or path in quotation marks. For example, type: C:\>copy /b "c:\My Documents\4250fw.rfu" \ \your_server\your_computer 2 Press Enter. A message appears on the control panel. See Printer messages during firmware update. At the end of the upgrade process, Ready appears on the printer-control panel. The message "1 file(s) copied" appears on the computer screen. Remote firmware update for UNIX systems For UNIX systems, any command method that delivers the RFU file to the printer is acceptable, including the following: At the command prompt, type: $cp /yourmachine/FILENAME/dev/parallel> where / yourmachine/FILENAME> contains the RFU file. Remote firmware update using FTP on a direct network connection If the HP LaserJet 4200/4250/4300/4350 series printer uses a direct network connection, use file transfer protocol (FTP) to update the HP LaserJet firmware. Complete the following steps for the operating system that is in use. Downloading a remote firmware update 93