Lexmark Pro4000 Series User Manual page 164

Troubleshooting
M USB
AKE SURE THE
Try using a different USB cable. If you are using a cable longer than 10 feet, then try using a shorter cable.
Note: USB hubs, extension cables, port replicators, and docking stations may cause connection issues. Try
disconnecting these devices so that your printer is directly connected to your computer.
M
AKE SURE YOU ARE USING THE CORRECT
Compare the printer model on the CD to the printer model on the printer. The numbers should either match exactly
or be within the same series.
If unsure, look for an updated version of the printer software on the Lexmark Web site. For more information, see
the printer User's Guide.
R
ECONNECT THE PRINTER POWER SUPPLY
1
Turn off the printer.
Note: Make sure the printer is not in Sleep mode. Press and hold
2
Unplug the power cord from the wall outlet, and then pull out the power cord from the power supply.
3
After one minute, reconnect the power cord into the power supply, and then plug the power cord into the wall
outlet.
4
Turn on the printer.
R
UN THE INSTALLER AGAIN
1
Close the installer.
2
Remove the CD, and then restart the computer.
3
Insert the CD, and then run the installer again.
M
AKE SURE YOUR COMPUTER IS ABLE TO ACKNOWLEDGE
Open the Device Manager to check if it has activity whenever a USB device is connected to a USB port:
1
Click , or click Start and then click Run.
2
In the Start Search or Run box, type devmgmt.msc.
3
Press Enter, or click OK.
4
Watch the Device Manager window while connecting a USB cable or another device to the USB port. The window
refreshes when the Device Manager recognizes the USB connection.
•
If there is activity on the Device Manager but none of the previous solutions worked, then call customer
support.
•
If there is no activity on the Device Manager, then there may be a problem with your computer and its USB
support. The computer must recognize the USB connection in order for installation to work.
CABLE IS WORKING
CD
FOR YOUR PRINTER MODEL
for three seconds to turn off the printer.
USB
ACTIVITY ON THE
USB
PORT
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