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HP LaserJet Printers - USB Devices Quit Working Unexpectedly in Windows XP
ISSUE: An HP LaserJet printer may lose its connection and stop working unexpectedly when printing to a USB port in Windows XP. The HP LaserJet printer may appear to work fine when Windows first starts up but later stops working.
NOTE: Disabling power management to a USB root hub is functionality of the Windows XP operating system and not specific to HP devices. If you experience any issues with the instructions outlined below then please contact your PC manufacturer or Microsoft for further assistance.
SOLUTION: Disable power management on the USB root hub. By default, Window XP disables the USB port when the HP LaserJet printer is not used in order to save power. However, the printer may not respond when a print job is sent if this option is selected. To disable power management on the USB root hub, follow the steps below: