Scanner initialization and hardware problems, Reset the scanner – HP scanjet 4600 Series User Manual
Page 23
user’s manual
troubleshooting
18
Note: On a Macintosh computer, use the Apple System Profiler to ensure
that the scanner is connected to the computer correctly.
scanner initialization and hardware problems
This section contains solutions for initialization and hardware problems.
reset the scanner
If you receive an error message similar to “Scanner initialization failed” or
“Scanner not found” when trying to use the scanner:
1
Close the error message dialog box and close the application that was
open when you received the error message. (Start a scan to see if the
scanner is working now. If not, proceed with the next step.)
2
Disconnect the combination USB and power cable from the scanner, and
then reconnect it. (Start a scan to see if the scanner is working now. If not,
proceed with the next step.)
3
Shut down your computer, and then turn it off.
Note: It is important that the scanner and computer be turned off for at least
60 seconds before being restarted.
4
Before restarting the computer, disconnect the combination USB and power
cable from the scanner and the computer.
5
Check the cables for any visible, external damage.
6
Firmly reconnect the combination USB and power cable to the computer.
The cable must be inserted completely into the computer’s USB port.
Note: Remove any USB hub, if present. Use another USB port, if possible.
7
Verify that the power cable is firmly and correctly connected to a power
source.
8
Firmly reconnect the combination USB and power cable directly to the
scanner.
9
Restart the computer.
USB/
power
cable
The combination USB and power cable is connected between the
scanner and the computer.
• Use the cable that was included with the scanner. Another USB
cable might not be compatible with the scanner.
• Ensure that the combination USB and power cable is securely
connected between the scanner and the computer.
For additional USB troubleshooting information, see
, select your country/region, and then use
the search tool to find USB troubleshooting topics.
Cable type Action