~~$* Is the scanner plugged in, unlocked, and turned on? The green light on the front of the scanner should be on.
~~* Is the scanner cable connected securely to the scanner and the PC?
~~* Is the scanner in use by another scanner application such as HP DeskScan or HP PictureScan? If so, close the application and then retry HP Scanner Test.
~~^If your scanner is a SCSI device, is the SCSI bus properly terminated? See your installation guide on proper termination use.
~~HP Scanner Test supports the HP ScanJet 4c/3c (C2520A), the HP ScanJet 3p (C2570A), the HP ScanJet IIcx (C2500A), the HP ScanJet IIc (C1750A), the HP ScanJet IIp (C1790A), and the HP ScanJet Plus (9195A) scanners.
~~If you would like to retry this test after resolving any of the above problems, click the Retry button. If this test continues to fail, your scanner, interface card, or cables may be malfunctioning. Contact your dealer or refer to your installation guide for Hewlett-Packard warranty and service information.
