If the Machine Cannot Be Operated
If the following conditions arise while users are operating the machine, provide the instructions on how
to deal with them.
Condition Cause Solution
Cannot perform the following:
• Print with the printer driver
• Connect with the TWAIN
driver
• Send or print with the LAN-
Fax driver
User authentication has been
rejected.
Confirm the user name and
login name with the
administrator of the network in
use if using Windows
authentication, LDAP
authentication, or Integration
Server authentication.
Confirm with the user
administrator if using Basic
authentication.
Cannot perform the following:
• Print with the printer driver
• Connect with the TWAIN
driver
• Send or print with the LAN-
Fax driver
The encryption key specified in
the driver does not match the
machine's driver encryption key.
Specify the driver encryption
key registered in the machine.
For details, see page 172
"Specifying a Driver Encryption
Key".
Cannot connect with the
TWAIN driver.
The SNMPv3 account,
password, and encryption
algorithm do not match settings
specified on this machine.
Specify the account, password
and the encryption algorithm of
SNMPv3 registered in the
machine using network
connection tools.
Cannot authenticate using the
TWAIN driver.
Another user is logging in to the
machine.
Wait for the user to log out.
Cannot authenticate using the
TWAIN driver.
Authentication is taking time
because of operating
conditions.
Make sure the LDAP server
setting is correct.
Make sure the network settings
are correct.
Cannot authenticate using the
TWAIN driver.
Authentication is not possible
while the machine is editing the
Address Book data.
Wait until editing of the Address
Book data is complete.
If the Machine Cannot Be Operated
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