![](/images/backgrounds/287029/hp-cp4520-users-manual-548682225x1.png)
The HP Easy Firmware Upgrade utility uses the current print path, USB, or network connection to communicate with the device, and does not require the use of the Windows spooler. This utility is only available for Windows operating systems.
Follow these instructions to complete the firmware update.
NOTE: In some circumstances, the update might require ten minutes or more to complete.
Do not power cycle the product or the computer during this process or the product may become unstable and or unusable.
1.Download the HP Easy Firmware Upgrade utility from the following Web site. www.hp.com/go/cljcp4025_firmware or www.hp.com/go/cljcp4525_firmware
2.
3.Print a configuration page from the device. Under the Device Information heading, note the datecode and version number. These should change after you have successfully completed the firmware update. To print a configuration page, see Determining the current level of firmware on page 198.
4.Verify that the printer is at a Ready state.
5.On your computer, locate the HP Easy Firmware Upgrade utility file.
6.
ENWW | Remote firmware update 207 |