HP 4570C HP Scanjet 4500 and 5500 series scanners - (English) User Manual - Page 19

• Test the scanner hardware: a. Disconnect the USB cable and the power cable from the scanner. Make sure the power cable is still connected to the power source. b. Press the E-MAIL ( ) and COPY ( ) buttons at the same time, while reconnecting the power cable to the scanner. (Hold the scanner buttons for less than 5 seconds.) The scanner lamp should turn on. c. Press the SCAN ( ) button. (Hold the button for less than 5 seconds.) The carriage in the scanner should move forward and backward. d. 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. Contact HP Customer Support. scanner initialization failed • If you receive a message that the scanner initialization failed, or if the HP Scanning software stops working after it has been functioning properly, try the following procedures. a. Close the HP Scanning software if it is open. b. Make sure that the cables connecting the computer and the HP scanner are securely fastened. c. Turn the scanner off by disconnecting the power cable. Turn the scanner back on by reconnecting the power cable. d. Turn the computer off and then on again. • A "00" in the LCD on the front panel of the scanner indicates that a USB connection error has occurred. Check that the USB cable is securely connected between the scanner and the computer. • If the scanner still fails to initialize, run the Repair utility (Windows computers only) as described in the next topic, scanner still does not work properly. scanner still does not work properly • If the scanner stops scanning or the buttons no longer work as they should, a software conflict might exist on your computer. You might need to reinstall the HP Photo & Imaging software. To do this, run the Repair utility (Windows computers only). a. Click Start, point to Settings, and then click Control Panel (in Windows XP, click Start, and then click Control Panel). b. Click Add/Remove Programs, and then select the HP Photo & Imaging software. c. Click Add/Remove (or Change, depending on your version of Windows). installation problems - hp scanjet 4500c/5500c series 14