"Port Already Open" Or "Open Com" Errors With HP Scanner 5100Cse

Affected Products: Desktops, Destination® PCs, Servers, Peripherals
Affected Operating Systems: Not OS Dependent

ISSUE: When trying to access the modem through America Online, ISP, Dial-up networking, or modem diagnostics with the HP Scanjet 5100Cse connected to the computer, you may receive one of the following Errors: "Port already open", "Open Com", Or "Connect error: unable to open com2, your computer's modem is probably in use by another program." If the scanner cable is unplugged from the computer this does not happen.

RESOLUTION: Check to make sure the modem is not using Interrupt Request (IRQ) 5. If it is, manually assign it to IRQ 3 or 10, whichever is available. If neither of these IRQ's are available, the scanner cable can be disconnected when using the modem.