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handshake timing between HP product chipset and certain types of USB chipsets on
the computer.
To check the USB chipset and controller
1. On the Windows taskbar, click Start, right-click My Computer, and then click
Properties.
2. Click the Hardware tab, and then click Device Manager.
3. Open Universal Serial Bus Controllers by clicking the plus sign (+) next to it.
4. Check if you have one of the following chipsets listed:
• SIS 7001 USB host controller
•ALI chipsets
• NEC universal host controllers
• Intel 82801 AA, Intel 82801BA/BAM
NOTE: This is not a comprehensive list. If you are experiencing
communication issues while trying to scan, follow the steps below to resolve
the issue.
5. Disconnect all USB devices (printers, scanners, cameras, etc.) from the
computer, except the mouse or keyboard.
6. Reconnect the USB cable to the USB port on the back of the product.
7. Reconnect the other end of the USB cable to a USB port on your computer.
Chapter 13
160 Troubleshooting
Troubleshooting