When You Cannot Print
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If the printing does not start, consult your service representative.
Printing does not start. If the machine is operat-
ing in an extended wire-
less LAN, the receiver's 
MAC address may be 
preventing communica-
tion with the access point.
Check access point settings when in the 
infrastructure mode. Depending on the 
access point, client access may be limit-
ed by MAC address. Also, check there 
are no problems in transmission be-
tween access point and wired clients, 
and between access point and wireless 
clients.
Printing does not start. The extended wireless 
LAN has not started.
Confirm the orange LED is lit, and the 
green LED is lit or blinks during trans-
mission.
Printing does not start. The login user name, 
login password, or driver 
encryption key is invalid.
Check the login user name, login pass-
word, or driver encryption key.
Printing does not start. Advanced encryption has 
been set using the Ex-
tended Security function.
Check the settings of the Extended Se-
curity function with the administrator.
Data-in indicator does 
not blink or light up.
If the data-in indicator is 
unlit or not flashing even 
after performing [Print], 
the machine has not re-
ceived the data.
• When the machine is connected to a 
computer via a cable, check the 
computer print port settings are cor-
rect. See “Confirming the Connec-
tion Method”, Printer Reference.
• When it is networked with a com-
puter, Contact the administrator. 
The status indicator of 
the printer is lit.
The cause is displayed on 
the display of the control 
panel.
Check the error message on the display 
panel and take required action. See p.54 
“Messages Displayed When Using the 
Printer Function”.
“
Updating the 
destination 
list... Please 
wait. Specified 
destination(s) or 
sender's name has 
been cleared.
” ap-
pears.
The destination list is be-
ing updated from the net-
work using 
SmartDeviceMonitor for 
Admin.
Wait until the message disappears. Do 
not switch off the power while this 
message is displayed. Depending on 
the number of destinations to be updat-
ed, there may be some delay before you 
can resume operation. Operations are 
not possible while this message is dis-
played.
[List / Test Print] is disa-
bled.
A mechanical error might 
have occurred.
Contact your service representative. 
See “List/Test Print”, General Settings 
Guide.
Printing does not start 
when using the extended 
wireless LAN in Ad-hoc 
mode.
The correct Communica-
tion Mode is not set.
Turn the main power off and back on. 
See “Turning On the Power”, About 
This Machine.
Or, change the settings for [System Set-
tings], [Interface Settings], and [Network]. 
See “Network Settings”, General Set-
tings Guide.
Problem Cause Solution