Lexmark T642 Setup

Lexmark T642 is a monochrome laser printer that comes with an LCD panel, Auto Document Feeder (ADF), and supports multiple trays. Lexmark T642 setup is not difficult if you follow the below-mentioned steps.

  1. Unpack the Lexmark T642 printer first.
  2. Next, take out the printer supplies such as power cord, setup CD, user guide, and warranty sheet.
  3. Insert the setup CD into the computer's CD/DVD drive and run the driver installation process.
  4. After completing the driver installation process on your computer, navigate to the Lexmark printer and open its front door.
  5. Pull out the toner cartridge and imaging unit from the printer and remove the protective tapes and covers.
  6. Shake the toner cartridge to distribute the toner evenly.
  7. Install the toner cartridge and imaging unit into the printer without touching the photoconductor drum.
  8. Pull out the paper input tray and load some plain paper into it.
Lexmark T642 Setup
  1. Adjust the loaded paper with correct paper width guides.
  2. Insert the paper input tray into the printer and connect the Lexmark T642 setup to an electrical outlet with the help of the supplied power cord.
  3. Power up the printer and configure the basic printer settings.

Lexmark T642 Driver for Windows 10

Driver for Lexmark T642 Printer

Follow the below-mentioned steps to download and install the Lexmark T642 printer's driver on your Windows computer:

  1. Navigate to the official Lexmark site and type your printer's model number in the search panel.
  2. From the search result, select your printer's name and click the Go button.
  3. Next, click the Downloads tab and select the Windows OS from the Operating System drop-down menu.
  4. Select the correct OS version from the Please Select Version pull-down menu.
  5. Under Drivers, select the driver link and click the I agree-download button on the next screen.
  6. Wait until the download is completed.
  7. After completing the download, navigate to the Downloads folder and give a double-click on the installer file to run the driver installation process.
  8. Click the Install Printer and Software button and agree to the EULA.
  9. Choose one among the wired, wireless, or USB connection option as your connection type.
  10. Establish the connection between the computer and the printer using the selected connection type.
  11. Finish the driver installation process with the help of the on-screen prompts.
  12. After completing the driver installation, verify the printer function.

Lexmark T642 Driver for Mac

Mac Driver for Lexmark T642 Printer

Follow the below-mentioned steps to download and install the Lexmark T642 printer's driver on your Mac:

  1. Before downloading the printer driver on your Mac, ensure that you have a standard Internet connection.
  2. Open the Safari browser and go to the official Lexmark site.
  3. Type 'Lexmark T642' in the search panel and click the Go button.
  4. In the Supports and Downloads page, click the Downloads tab and select the Macintosh option from the Operating System drop-down menu.
  5. Next, select your Mac OS version and click the driver link from the displayed list.
  6. Click the I agree-download button to download the printer driver on your Mac.
  7. After completing the download, go to the Downloads folder and launch the installer file to begin the driver installation process.
  8. If prompted, enter your Mac administrator password.
  9. Click the Install Software button and follow the on-screen prompts to install the printer driver.
  10. Select your connection type.
  11. After completing the driver installation process, add your Lexmark printer to the Mac computer.

Lexmark T642 Wireless Setup

  1. First, turn on the Lexmark T642 setup and the Wi-Fi router.
  2. Verify whether you have completed the basic printer settings.
  3. Next, connect your computer to the local wireless network and check whether you have a standard Internet connection.
  4. Close all the running programs and insert the setup CD into the computer's CD/DVD drive.
  5. Open the setup file to run the driver installation process.
  6. If you have downloaded the printer driver from the official Lexmark site, open the downloaded file and run the driver installation process.
  7. In the driver installation window, select your installation type and click the Start button.
  8. Click the Install button and read the EULA.
  9. Click the Agree button followed by Continue.
  1. Specify the folder in which you wish to save the printer driver and click the Continue button.
  2. Wait until the installation is completed.
  3. On the next screen, select the Wireless connection option as your connection type.
  4. If you have already connected the Lexmark printer to the wireless network, click the Yes radio button and select Continue.
  5. Otherwise, click No and follow the on-screen prompts to connect the printer to the wireless network.
  6. Finish the driver installation process and verify the connection between the printer and the computer.
  7. Print a document remotely from the computer to verify the connection setup.

Lexmark T642 Toner Replacement

  1. Carry out these steps to replace the Lexmark T642 setup's toner cartridge:
  2. Open the printer's front door and remove the toner cartridge and imaging unit assembly from the printer.
  3. Unpack the new toner cartridge and insert it into the printer.
  4. Avoid touching the photoconductor drum in the imaging unit to prevent poor print quality in the future.
  5. After installing the toner cartridge and imaging unit assembly in the printer, close the printer's front door.

Lexmark T642 Drum Unit Replacement

Replacing your Lexmark T642 printer's drum unit is not difficult if you follow the quick steps given on this site.

  1. You have to lift the printer's front cover and lower the multipurpose feeder door.
  2. Remove the toner cartridge from the printer and pull out the imaging unit.
  3. Unpack the new imaging unit and shake it gently.
  4. After removing all the protective tapes from the imaging unit, install it in the printer.
  5. Refix the toner cartridge and close the multipurpose feeder cover.
  6. Now, the Lexmark T642 printer's imaging unit has been replaced successfully.

Lexmark T642 Fuser Replacement

The Lexmark T642 printer's fuser is one of the maintenance kits of the printer. If you wish to replace the fuser, follow the below-mentioned steps.

  1. Before replacing the fuser, allow the printer to cool for 30 minutes.
  2. Navigate to the printer's rear side and remove the redrive cap.
  3. Remove the redrive door and squeeze the latches to remove the fuser cover.
  4. Unscrew the mounting screws to remove the redrive assembly.
  5. Squeeze and remove the two chips simultaneously in the redrive assembly.
  6. Next, unplug the fuser sensor cable from the control board and remove the fuser power cable.
  7. Remove the two wedges from the rollers.
  8. Insert the new fuser into the printer and reconnect the fuser sensor cable.
  9. Reconnect the fuser power cable and mount the screws.
  10. Refix the redrive assembly and the redrive door.
  11. Fix the redrive cap and check whether you have replaced the fuser correctly.

Lexmark T642 Setup Troubleshooting Guidance

Some of the common printer errors like offline printer, paper jam, toner error, fuser error, and print quality problems can be fixed easily. You can refer to the Lexmark printer's user guide for some specific troubleshooting tips. If you have difficulties in troubleshooting the printer issues, click the Call button available on this page to contact our technical support team for assistance.

Lexmark T642 Offline Guide

The offline printer error is one of the common printer problems when the connection fails or when the printer is malfunctioning. Is your computer displaying the 'Offline' error when connected to the Lexmark T642 printer? Then follow the troubleshooting steps given below. 

  1. If your printer is in Sleep or Hibernate mode, wake up the printer by pressing the Home button.
  2. Verify the connection between the printer and the computer.
  3. On your Windows computer, click the Start menu and type 'control panel' in the search panel.
  4. Press the Enter button and give a double-click on the Control Panel app from the search result.
  5. In the Control Panel window, click the Devices and Printers tab and give a right-click on your printer's icon.
  6. Select the Properties option and click the Printer tab.
  7. Uncheck the Use Printer Offline checkbox.
  8. Next, remove the print jobs from the print queue and try printing remotely from the computer to the Lexmark T642 setup.
  9. Check if the error has been resolved.
  10. If the problem persists, remove and reinstall the printer driver and disable the computer's security software.
Lexmark T642 Setup Offline

Lexmark T642 Paper Jam Error

Are you getting the 'Paper Jam' error on the Lexmark T642 printer? Then there might be some paper jammed inside the printer. This error is common in all types of printers and can be resolved manually within a few seconds. You have to visually check for the jammed paper or paper bits inside your printer and remove them to fix the error. To avoid the Paper Jam errors in the future, fan the plain paper before loading it into the paper input tray. To resolve the Paper Jam error, remove the jammed paper from the below-mentioned areas without damaging the Lexmark printer's internal parts.

  1. Printer's rear door 
  2. Printer's duplex unit
  3. Tray X
  4. Multipurpose feeder
  5. Envelope feeder
  6. Output bin
  7. Finisher rear door
  8. Stapler door

Fixed: Lexmark T642 Fuser Error

The Lexmark T642 fuser error indicates that the printer's fuser lamp or assembly has been installed incorrectly. It can be resolved with the troubleshooting steps mentioned below.

  1. First, turn off the Lexmark T642 setup and leave it offline for 10 to 15 seconds.
  2. Next, connect the printer's power cord to a different electrical outlet and turn on the printer after checking the hardware connection.
  3. Check if the fuser error has been resolved.
  4. If the error persists, check whether you have installed the fuser unit correctly.
  5. Avoid using a power strip or surge to connect the printer to the electrical supply.
  6. Ensure that the printer is receiving the correct voltage.
  7. This will fix the fuser error on your Lexmark printer.