Make sure the printer is receiving power

If the button is not lit, the printer may not be receiving power.

Plug the printer into a different outlet.

If the printer is plugged into a surge protector, unplug the printer, and plug it directly into an electrical outlet.

Make sure the external print server is working

If the printer is connected to an external print server, the problem may be with this print server. Check to make sure the device is working properly and that the printer is connected to the network.

Experiencing poor quality or incorrect output

See the topic that best describes the problem.

Print is too dark or smudged

Vertical straight lines are not smooth

White lines appear in graphics or solid black areas

Characters are missing or unexpected

Colors on printout are faded or differ from colors on the screen

Printouts have alternating bands of light and dark print

Page prints with different fonts

Printed characters are improperly formed or are not aligned correctly at the left margin

Transparencies or photos contain white lines

Glossy photo paper or transparencies stick together

Checking the port setting

1Click Start Œ Settings Œ Printers or Printers and Faxes.

2Right-click the Lexmark 4800 Series icon.

3From the sidebar menu, select Properties.

4Click the Details tab if you are using Windows 98/Me, or click the Ports tab if you are using Windows 2000 or Windows XP.

5Make sure:

The port is set to a USB port.

File is not set as the port.

Jams and misfeeds troubleshooting

How to clear and avoid paper jams

To clear the paper path:

1Pull firmly on the paper to remove it. If you cannot reach the paper because it is too far into the printer, lift the scanner unit to open the printer.

2Pull the paper out.

3Close the scanner unit.

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Lexmark 4800 Series manual Jams and misfeeds troubleshooting, Experiencing poor quality or incorrect output