User Guide
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 <FILENAME> <PORTNAME> where <FILENAME> is the
name of the .rfu file, including the path, and <PORTNAME> 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 <FILENAME> \
\<COMPUTERNAME>\<SHARENAME> where <FILENAME> is the name of the RFU file
(including the path), <COMPUTERNAME> is the name of the computer from which the printer is
being shared, and <SHARENAME> 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