Diagnostic aids 3-29
5025-2xx, 4xx
6. In the browser that opens, browse to the file you want to use.
Note: The new file must be available to the computer.
7. Click Open.
Various status and progress messages will appear. The printer will reboot. The HTTP session will
terminate.
8. Repeat steps 2 through 7 for any other files.
Using the host computer to update the firmware over USB
Note: This procedure uses the program, USB Flash. USButil is a command line USB flash utility that can also
be used to update firmware from a host computer via USB. To use any USB flashing utility, the printer must be
installed on the host computer so a USB virtual printer port can be established on the host computer. The virtual
printer port is needed so the host computer can communicate with the printer. Call the next level of support for a
USB utility if you do not have one.
1. Open the USB Utility.
2. Browse for flash file.
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