Lexmark X5470 User Guide
Checking external devices
External devices may interfere with the performance of the printer. If there is an external device connected between
the computer and the printer, confirm that it supports bidirectional communication.
the computer and the printer, confirm that it supports bidirectional communication.
D
OES
THE
EXTERNAL
DEVICE
SUPPORT
BIDIRECTIONAL
COMMUNICATION
?
No
Yes
Disconnect the printer from the external device, and
connect it directly to the computer. For more
information, see “Removing an external print server” on
page 148.
connect it directly to the computer. For more
information, see “Removing an external print server” on
page 148.
There may be a problem with the USB cable. For more
information, see “Cable is not connected, is loose, or is
damaged” on page 148.
information, see “Cable is not connected, is loose, or is
damaged” on page 148.
Removing an external print server
1
Press
to turn the printer off.
2
Make sure the power to the print server is off.
3
Remove the USB cable from the external print server.
4
Disconnect the external print server from the computer.
5
Connect the printer USB cable to the printer.
6
Press
to turn the printer back on.
Cable is not connected, is loose, or is damaged
The printer cable must be fully connected and undamaged for proper communication.
M
AKE
SURE
THE
USB
CABLE
IS
CONNECTED
TO
THE
USB
PORT
ON
THE
BACK
OF
THE
COMPUTER
The USB port on the back of the computer is marked by
. Plug the long, flat end of the USB cable into this
port.
M
AKE
SURE
THE
OTHER
END
OF
THE
USB
CABLE
IS
CONNECTED
TO
THE
BACK
OF
THE
PRINTER
Plug the smaller, more square end of the USB cable into the back of the printer.
M
AKE
SURE
THE
CABLE
IS
NOT
DAMAGED
OR
LOOSE
Make sure:
•
The USB cable is not damaged.
•
The
light is on.
For more information, see the related topic below.
Troubleshooting
148