HP Scanjet 3970 HP Scanjet 2400, 3670, 3690, and 3970 digital flatbed scanners - Page 16

chapter 2 run the repair utility If the scanner still fails to initialize, run the Repair utility (Windows computers only). For more information, open HP Director, select your scanner in the Select Device list, and click Help. Then in the HP Photo & Imaging software help, open the hp scanjet scanner help section, open the troubleshooting section and see scanner has stopped working properly. frequently asked questions how do I test my scanner hardware if I think there may be a problem? 1 Disconnect the USB cable and power cable from the scanner. 2 Ensure that the scanner power cable is still connected to the power source. 3 Press SCAN ( ) and COPY ( ) on the scanner at the same time while reconnecting the power cable to the scanner. The carriage in the scanner should move forward and backward, and the lamp should turn on. 4 To end the test, disconnect the power cable. If the scanner lamp does not turn on or the carriage does not move, a problem exists with the scanner hardware. See product support on page 20. how do I turn off the lamp? The scanner lamp should time out and turn off automatically after a period of inactivity (about 14 minutes). If it does not turn off automatically, do the following: 1 From the HP Director, click Settings, and click Scan Preferences. 2 From the Quality vs. Speed tab, turn off Extend lamp timeout to turn the scanner lamp off after 14 minutes of inactivity. If this option is on, the scanner lamp turns off after 1 hour of inactivity. If the scanner lamp problems continue, see product support on page 20. how do I turn off the scanner? Normally you do not need to turn off the scanner because after a period of inactivity (about 14 minutes), the scanner reduces to a low-power mode. If you need to turn off the scanner completely, disconnect it from the power source (electrical outlet or surge protector). 11 hp scanjet 2400, 3670, 3690, and 3970 digital flatbed scanners