HP Color LaserJet Enterprise CP4020/CP4520 Series Printer - Software Technical Reference (External)

7. Click Upload to move the .RFU file from your hard drive to the HP Web Jetadmin server.
8. Refresh the browser.
9. Select the .RFU file from the Printer Firmware Update drop-down menu.
10. Click Update Firmware. HP Web Jetadmin sends the selected .RFU file to the product.
11. The download process begins and the firmware is updated on the product. This can take several
minutes. Let the process finish without further interaction with the product or the computer. The
messages described in the section
Printer messages during the firmware update on page 199
appear on the control panel.
NOTE: The product automatically turns off and then on again to activate the update; this can
happen more than once. At the end of the update process, the READY message appears on the
control panel. Do not turn off the product or interfere with the update until you see this message.
HP Web Jetadmin V7.8 or 8.x can also be used to perform multiple or unattended installations. Complete
the following steps for multiple or unattended installations.
1. Start HP Web Jetadmin.
2. Create a device group. A simple way to do this is to follow these steps:
a. Click Device Management, and then click All Devices.
-or-
b. Shift-click to select products that you want to be included in the group, and then click OK.
-or-
c. When prompted, type a name for the new device group, and then click OK.
3. To modify several products in a group, click the group name, and then click Open.
4. The drop-down menu for Device Group Tools appears on the right side of the window. Scroll if
necessary to view it.
5. In the Device Group Tools drop-down box, select an action. Type the appropriate information.
Click Return to Device Group when finished.
Remote firmware update using HP Web Jetadmin 10.x
NOTE: HP Web Jetadmin can be configured to get firmware details from hp.com directly. Use Tools,
Options, Shared, Network, HTTP to add HTTP proxy details (if needed) and to enable “Allow download”.
“Allow download” is required for HP Web Jetadmin to communicate with the Internet. Once these settings
are enabled, HP Web Jetadmin may be able to get firmware listing and firmware image files directly
from HP.com if this is allowed on the network where HP Web Jetadmin is running.
1. Start Web Jetadmin 10.x
2. From the Device Management section, select All Devices (or the appropriate device group). An
All Devices list will appear in the center window.
3. Find your device in the list, or type the IP address of the device in the Quick Device Discovery
section in the lower-left of the screen (this will highlight your device in the device list). You can sort
the device list by clicking on a column name at the top.
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