Lexmark T420 Printer User Manual


 
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Solving printing problems
Problem Solution
The printer does not print at all or
prints black splotches down the right
side of a page.
Make sure that the upper front door is fully closed on both sides.
If the left side of the door is not fully closed, the printer will not print.
If the right side of the door is not fully closed, black splotches may print
down the right side of a page.
Job did not print or incorrect
characters printed.
Make sure the Ready/Data light is on before you send a job to
print. Press the Continue button to return the printer to the
Ready state.
Make sure print media is loaded in the printer. See Loading
trays and Using and loading the multipurpose feeder.
Press Continue.
Verify that the printer is using the correct printer language.
Verify that the correct printer driver is being used.
Make sure the parallel cable or USB cable is firmly plugged in
at the back of the printer.
Check the cable connections.
Make sure you are using the correct cable. If you use the
parallel port, we recommend an IEEE 1284-compliant parallel
cable such as Lexmark part number 1329605 (10 ft) or
1427498 (20 ft). If you use the USB port, we recommend the
cable with Lexmark part number 12A2405 (2M).
If the printer is connected through a switch box, try a direct
connection.
Verify that the correct print media size is selected in the printer
driver or in the Local Printer Setup Utility.
Job did not print or incorrect
characters printed (continued).
Make sure PCL SmartSwitch and PS SmartSwitch are set to
On in the printer driver or in the Local Printer Setup Utility.
If a print spooler is used, verify that the spooler is not stalled.
If you print across a network or on a Macintosh, see Solving
network printing problems.
Determine which host interface you are using.