HP LaserJet 4250/4350 Series - Software Technical Reference
NOTE The following instructions can be used on Windows or Macintosh operating systems.
1 Take note of the TCP/IP address on the EIO-Jetdirect page. The EIO-Jetdirect page is the
second page of the configuration page printout. To print a configuration page, see
Determining
the current level of firmware.
2 Open a browser window.
3
In the address line of the browser, type ftp://<IPADDRESS>, where <IPADDRESS> is the TCP/
IP address of your product. For example, if the TCP/IP address is 192.168.0.90, type
FTP://192.168.0.90
4 Locate the downloaded .RFU file for the product.
5 Drag and drop the .RFU file onto the PORT1 icon in the browser window.
NOTE The product automatically restarts the firmware to activate the update. At the end of
the update process, the READY message appears on the control panel.
Remote firmware update by using FTP on a direct network connection
If the product uses a direct network connection, use file transfer protocol (FTP) to update your
firmware. Complete the following steps for your operating system.
Windows operating systems
1 Take note of the TCP/IP address on the EIO Jetdirect page. The HP Jetdirect page is the second
page of the configuration page printout. To print a configuration page, see
Determining the
current level of firmware.
NOTE Before connecting to the product, make sure that the product is not in Sleep
mode. Also make sure that any error messages are cleared from the control-panel display.
2 Open a command window on your computer.
3
Type ftp <TCP/IP printer ADDRESS>. For example, if the TCP/IP address is 192.168.0.90,
type ftp 192.168.0.90.
4 Press Enter on the keyboard.
5 When prompted for the user name, press Enter.
6 When prompted for the password, press Enter.
7
Type bin at the command prompt.
8 Press Enter. The message 200 Type set to I, Using binary mode to transfer files appears in
the command window.
9
Type put <FILENAME>, where <FILENAME> is the name of the .RFU file that was downloaded
from the Web, including the path. For example, type put C:\LJ\4250FW.RFU, and then press
Enter.
Technology background information 63
Software description