Lexmark PRO4000C User Manual

Page of 63
C
HECK
 
THE
 USB 
CONNECTION
1
Check the USB cable for any obvious damage. If the cable is damaged, then use a new one.
2
Firmly plug the square end of the USB cable into the back of the printer.
3
Firmly plug the rectangular end of the USB cable into the USB port of the computer.
The USB port is marked with 
.
Note: If you continue to have problems, then try another USB port on the computer. You may have
connected to a defective port.
R
EMOVE
 
AND
 
REINSTALL
 
THE
 
PRINTER
 
SOFTWARE
Printer is printing blank pages
Blank pages may be caused by improperly installed ink cartridges.
R
EINSTALL
 
THE
 
INK
 
CARTRIDGES
 
AND
 
DEEP
 
CLEAN
 
AND
 
ALIGN
 
THE
 
PRINTHEAD
1
Reinstall the ink cartridges. For more information, see “Replacing ink cartridges” on page 17.
The cartridges should click firmly into their matching color slots.
2
Load plain, unmarked paper.
3
From the printer control panel, navigate to:
 > Setup > 
O K
 > Maintenance > 
O K
 > Deep Clean Printhead > 
O K
4
Press the up or down arrow button to scroll to a cleaning option, and then press 
O K
.
Wait until the printer is ready.
5
From the printer control panel, navigate to:
 > Setup > 
O K
 > Maintenance > 
O K
 > Align Printer > 
O K
An alignment page prints.
Note: Do not remove the alignment page until printing is finished.
Printer is busy or does not respond
If the "Before you troubleshoot" checklist does not solve the problem, then try one or more of the
following:
M
AKE
 
SURE
 
THE
 
PRINTER
 
IS
 
NOT
 
IN
 S
LEEP
 
MODE
If the power light is blinking on and off slowly, then the printer is in Sleep mode. Press 
 to wake up
the printer.
If the printer will not come out of Sleep mode, then reset the power:
1
Unplug the power cord from the wall outlet, and then wait 10 seconds.
2
Insert the power cord into the wall outlet, and then turn on the printer.
If this problem persists, then check our Web site for updates for your printer software or firmware.
R
ECONNECT
 
THE
 
PRINTER
 
POWER
 
SUPPLY
1
Turn off the printer.
Note: Make sure the printer is not in Sleep mode. Press and hold 
 for three seconds to turn off
the printer.
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.
Cannot delete documents from the print queue
If you have jobs stuck in the print queue and cannot delete them to get other jobs to print, then the
computer and printer may not be communicating.
R
ESTART
 
THE
 
COMPUTER
 
AND
 
TRY
 
AGAIN
R
EMOVE
 
AND
 
RECONNECT
 
THE
 USB 
CABLE
 
CONNECTED
 
TO
 
YOUR
 
PRINTER
Cannot print through USB
If the "Before you troubleshoot" checklist does not solve the problem, then try one or more of the
following:
C
HECK
 
THE
 USB 
CONNECTION
1
Check the USB cable for any damage. If the cable is damaged, then use a new one.
2
Firmly plug the square end of the USB cable into the back of the printer.
3
Firmly plug the rectangular end of the USB cable into the USB port of the computer.
The USB port is marked with 
.
Note: If you continue to have problems, then try another USB port on the computer. You may have
connected to a defective port.
Troubleshooting
52