Xerox Phaser 3435 Service Manual page 228

General Procedures and Information
Firmware Upgrade Method
If the firmware needs to be upgraded, the firmware file and usbprn file are requested.
Check that the machine is in a "Ready" condition with the power on. The firmware can be upgrad-
ed by the following methods:
1. CentreWare Internet Services
2. USB Cable
• Save the firmware file to the laptop.
• Connect a USB cable between the port on the rear of the machine and the laptop.
• Drag and drop the upgrade file (.hd) onto the dltool.exe icon.
• A DOS command window will open and the upgrade file will be submitted to the machine.
• The upgrade should complete in approximately 5 minutes.
3. USB Cable Case (Save attached file at certain directory)
• Start Download Rom file "usbprbs b255_706.fls" on Dos Mode and push the enter key.
• Once Download is finished, "Reset Printer" is indicated on LCD window.
• Download finished, power ON/OFF.
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