HP 8270 - Manual (Page 23)

correctly connected, verify that the scanner is turned on, and then test the scanner by
following these steps:
1.
Disconnect the USB cable and power cable from the scanner.
2. Reconnect the USB cable and power cable to the scanner.
The carriage on the scanner will move forward and backward approximately 25 mm (1
inch), and the lamp will turn on. The front panel display message will change from
Processing to Ready.
If the carriage does not move and the scanner lamp does not turn on, a problem might
exist with the scanner hardware. See Product support on page 26.
Scanner has stopped working properly
If the scanner stops scanning, complete the following steps, in order. After each step,
start a scan to see if the scanner is working. If the problem continues, proceed with
the next step.
1.
A cable might be loose. Ensure that both the USB cable and power cable are
securely connected.
2. Unplug the scanner power cable from the power source, wait 60 seconds, and
then plug it back in.
3. Reboot your computer.
4. If the problem persists, you might need to uninstall and reinstall the scanner
software. See Uninstall and reinstall the software on page 19.
If the scanner still does not work, visit www.hp.com/support or contact HP Customer
Support.
Paper jams
If misfeeds are occurring frequently, follow these steps:
1.
Clean the feed-roller assembly manually. See Clean and Maintain the ADF in the
Care and maintenance section of the HP Scanjet 8270 Document Flatbed
Scanner onscreen Help for more details.
2. See the onscreen Help for information about resolving other ADF problems.
3. If misfeeds continue, order and install the ADF Roller Replacement kit. The ADF
Roller Replacement kit contains a roller mechanism, a separation pad, new
screws for the separation pad and replacement instructions (see Order
maintenance and scanner supplies on page 18 for more information).
Additional troubleshooting information
To solve other problems with the scanner, see the onscreen help. To gain access to
the help, open HP Solution Center, click the tab for the scanner, and then click
Onscreen Guide.
Scanner operation problems
User Guide 21
English