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When there is a problem connecting to the scanner

Message

Causes

Solutions

“Cannot connect to the scanner. Check the network Access Mask settings in User Tools.”

An access mask is set.

For details about an access mask, contact your administrator.

“Cannot find "XXX" scanner used for the previous scan. "YYY" will be used instead.”

("XXX" and "YYY" indicate scanner names.)

The main power of the previously used scanner is not set to "On".

Check whether the main power of the scanner used for the previous scan is turned on.

“Cannot find "XXX" scanner used for the previous scan. "YYY" will be used instead.”

("XXX" and "YYY" indicate scanner names.)

The machine is not connected to the network correctly.

  • Check that the previously used scanner is connected to the network correctly.

  • Cancel the personal firewall of the client computer. For details about firewall, see Windows Help.

  • Use an application such as telnet to make sure SNMPv1 or SNMPv2 is set as the machine's protocol. For details about how to check this, see "Remote Maintenance Using telnet", Connecting the Machine/ System Settings.

  • Select the scanner used for the previous scan.

“Communication error has occurred on the network.”

A communication error has occurred on the network.

Check whether the client computer can use the TCP/IP protocol.

“Scanner is not available. Check the scanner connection status.”

The machine's power is off.

Turn on the power.

“Scanner is not available. Check the scanner connection status.”

The machine is not connected to the network correctly.

  • Check whether the machine is connected to the network correctly.

  • Cancel the personal firewall function of the client computer. For details about firewall, see Windows Help.

  • Use an application such as telnet to make sure SNMPv1 or SNMPv2 is set as the machine's protocol. For details about how to check this, see "Remote Maintenance Using telnet", Connecting the Machine/ System Settings.

“Scanner is not available. Check the scanner connection status.”

Network communication is not available because the machine's IP address could not be obtained from the host name. If only "IPv6" is set to [Active], the IPv6 address might not be obtained.

  • Check whether the machine's host name is specified in the Network Connection Tool. For the WIA driver, check the [Network Connection] tab in the properties.

  • Use Web Image Monitor to set "LLMNR" of "IPv6" to [Active].

  • In Windows XP, IPv6 address cannot be obtained from the host name. Specify the machine's IPv6 address in the Network Connection Tool.