In some cases, you may get a The scanner cannot be found message. In this case, the scanner may not be properly connected or the software may not be installed properly.
1. Check whether the scanner is plugged in and the power switch is on. If your scanner has an on/off button, ensure that it is unplug it.
2. Shut down the computer and unplug it.
3. Check the USB or SCSI port connection of the scanner to see it the cable is connected properly and is not loose.
4. If your scanner has a parallel port connection, remove the parallel port cable. Inspect it properly for any signs of damage. Clean any dust with a hand blower or on electric blower. The cable will have to be replaced if there are any bent or missing pins in the connector.
5. Check whether the correct scanner is selected for use.
6. Reconnect the appropriate cable to the computer. Make sure that the cable fit in properly and are not too tight.
7. plug in the computer and turn it on. The operating system will system will most probably now recognize the scanner.
8. If the scanner is still not recognized by the operating system, try interchanging the cables connecting the scanner to the power outlet and computer. If the scanner works, then the cables are faulty and will have to be replaced.