Lexmark Pro900, 30E, 301, 4444, 90T9105 Jams and misfeeds troubleshooting, Cannot print through USB

Cannot print through USB

If the "Before you troubleshoot" checklist does not solve the problem, then try one or more of the following:

CHECK THE USB CONNECTION

1Check the USB cable for any obvious damage. If the cable is damaged, then use a new one.

2Firmly plug the square end of the USB cable into the back of the printer.

3Firmly plug the rectangular end of the USB cable into the USB port of the computer.

The USB port is marked with a USB symbol.

Note: If you continue to have problems, then try another USB port on the computer. You may have connected to a defective port.

MAKE SURE THE USB PORT IS ENABLED IN WINDOWS

1Click , or click Start and then click Run.

2In the Start Search or Run box, type devmgmt.msc.

3Press Enter, or click OK. The Device Manager opens.

4Click the plus sign (+) beside Universal Serial Bus controllers.

If USB Host Controller and USB Root Hub are listed, then the USB port is enabled.

For more information, see the computer documentation.

REMOVE AND REINSTALL THE PRINTER SOFTWARE

Jams and misfeeds troubleshooting

•“Paper jam in the printer” on page 140

•“Paper jam in the duplex unit” on page 141

•“Paper jam in the ADF (selected models only)” on page 142

•“Paper or specialty media misfeeds” on page 143

Paper jam in the printer

Note: The parts inside the printer are sensitive. Avoid unnecessarily touching these parts while clearing jams.

Troubleshooting

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