Problem Cause Solution
Printing does not start. If the printer is using wireless
LAN, the receiver's MAC
address may be preventing
communication with the access
point.
Check the access point settings
when using the infrastructure
mode. Depending on the access
point, client access may be
filtered by MAC address. Also,
check that there are no
transmission problems between
the access point and wired
clients, and between the access
point and wireless clients.
[List / Test Print] is disabled. A mechanical error might have
occurred.
Contact your service
representative.
Printing does not start when
using the extended wireless
LAN in Ad-hoc Mode.
The correct Communication
Mode is not set.
• Turn the main power switch
off and then back on again.
For details about how to
turn on/off the main power
switch, see page 17
"Turning On/Off the
Power".
• Change [Communication
Mode] in [Wireless LAN] to
[802.11 Ad-hoc Mode],
and then select [Off] for
[Security Method]. For
details about
Communication Mode, see
"Host Interface", Operating
Instructions.
The Data In indicator does not
light up or flash after a print job
starts.
The data is not being sent to the
printer.
• When a cable is used to
connect the computer
directly to the printer, check
whether the print ports are
configured correctly.
• When the computer is
connected to the network,
ask your administrator
about the computer's
network connection.
4. Troubleshooting
78