Справочник Пользователя для Microsoft C4500

Troubleshooting When Using the Scanner Function

76

Scanner is not 

available on the 

specified device.

The TWAIN scanner 
function cannot be used 
on this machine. 

Contact your service representative.

Scanner is not 

available. Check 

the scanner con-

nection status.

• The machine's main 

power switch is off.

• The machine is not 

connected to the net-
work correctly.

• Set the main power switch to “On”.

• Check whether the machine is con-

nected to the network correctly.

• Deselect the personal firewall func-

tion of the client computer.

• Use an application such as telnet to 

make sure SNMPv1 or SNMPv2 is 
set as the machine’s protocol. See 
“Network Settings”, General Set-
tings Guide and “Using telnet”, 
Network Guide.

No response from 

the scanner.

The machine or client 
computer is not connected 
to the network correctly.

Check whether the machine or client 
computer is connected to the network 
correctly.

No response from 

the scanner.

The network is crowded.

Wait for a while, and then try to recon-
nect.

Error has occurred 

in the scanner.

The application-speci-
fied scan conditions have 
exceeded the setting 
range of the machine.

• Check whether the scanning set-

tings made with the application ex-
ceed the setting range of the 
machine.

• Disable the client computer's own 

firewall.

Fatal error has 

occurred in the 

scanner.

An unrecoverable error 
has occurred on the ma-
chine.

An unrecoverable error has occurred in 
the machine. Call your service repre-
sentative.

Cannot connect to 

the scanner. Check 

the network Access 

Mask settings in 

User Tools.

An access mask is set.

Contact the network or scanner admin-
istrator.

Scanner is not 

ready. Check the 

scanner and the 

options.

The ADF cover is open.

Check whether the ADF cover is closed.