Fujitsu FI-6010N Operator's Manual page 598

Code
12020002
12020005
12020006
562
Message
Could not connect to server
when sending fax.
Fax size exceeded maximum
fax size allowed by the SMTP
server.
SMTP server connection was
lost while sending fax data.
Action
Try the following:
Check that the LAN cable of the scanner
and SMTP server is connected properly.
Contact a system administrator to check
that the scanner IP address, SMTP
server and fax server settings are
correct.
"8.3 Network Connection
Troubleshooting" (page 446)
Contact a system administrator to check
that the SMTP and fax servers are
working properly.
Contact a system administrator to check
the "Maximum Attachment Size" setting.
"4.7.11 Setting the e-Mail Server (SMTP
Server)" (page 112)
Try the following:
Check that the LAN cable of the scanner
and SMTP server is connected properly.
Contact a system administrator to check
that the scanner IP address and SMTP
server settings are correct.
"8.3 Network Connection
Troubleshooting" (page 446)
Contact a system administrator to check
that the SMTP server is working
properly.
Contact a system administrator to check
the maximum e-mail size allowed by
the SMTP server.