Lexmark T642 用户手册

Launch the printer Software and Documentation CD, and then click 

Contact Lexmark for a complete list of phone numbers 

and Web sites.

Nothing appears on the scanner display.

The scanner and the printer are not talking to each other.
1 Turn the printer off and then back on.
2 Turn the printer off, and unplug the scanner. Make sure all cables 

and cords are connected, and then plug the scanner in before 
turning on the printer.

The control panel is not responding.

Make sure the printer is turned on.
Note: Remember to plug the scanner in before turning on the printer.

Scanner is not working

1 Make sure the scanner is unlocked. See step 1 on page 43.
2 Turn the printer off, and unplug the scanner. Make sure all cables 

and cords are connected, and then plug the scanner in before 
turning on the printer.

Test document did not print

1 Verify that each electrical outlet has power.
2 Make sure all cables and power cords are properly seated.
3 Restart the test job.

Unable to send or receive faxes

1 Make sure the telephone fax line cable is properly connected to the 

fax modem port on the print server and to the fax phone outlet.

2 Repeat the fax setup. See Fax setup on page 45.
3 See the online information on the MFP Software and 

Documentation CD. Click 

View Documentation 

 

Use MFP 

 

Solving fax problems.