Lexmark T644 Setup Assistant

Lexmark T644 is a monochrome laser printer that helps you to perform the print operation over a USB or network connection. You can perform the duplex printing operation easily using this monochrome laser printer. The product package contains the Lexmark T644 printer, a power cord, a setup CD, a user guide, and a toner cartridge (pre-installed on the printer). Easy steps for Lexmark T644 setup are given below.

  1. Open the product box.
  2. Take all the components out of the printer box.
  3. Place the Lexmark printer on a flat surface, preferably a table.
  4. Slowly, take all the packing materials surrounding the printer.
  5. After removing all the packing tapes, open the front cover of the printer.
  6. Gently, take the toner cartridge out of the printer.
  7. Remove the protective tape surrounding it.
  8. Shake the toner cartridge two or three times and then place it into the printer again. This distributes the toner evenly.
  9. Close the front cover of the printer.
  10. Now, take the paper tray completely out of your Lexmark printer.
  11. Adjust the paper guides properly.
  12. Get a stack of plain paper and load it into the tray.
  13. Re-adjust the paper guides correctly.
  14. Place the paper tray back into the printer.
  15. Now, connect your Lexmark printer to the electrical outlet.
Lexmark T644 Setup
  1. For USB connection, connect the Lexmark T644 setup to your computer using the USB cable after turning on your printer.
  2. Now, begin the printer driver installation on your computer using the setup CD.
  3. After completing the driver installation, perform a test print to verify the connection.

Lexmark T644 Driver For Windows 10

Driver for Lexmark T644 Printer

Compatible Windows OS versions: Windows 2000, Windows NT, Windows 2000 Server running Terminal Services, Windows XP x64, Windows Vista, Windows Server 2003 x64, Windows Server 2003, Windows XP, Windows Server 2003 x64 running Terminal Services, Windows 7, Windows 2003 running Terminal Services, and Windows Vista x64. The Lexmark T644 printer is not compatible with Windows 10. 

  1. You can download the Lexmark T644 printer driver for your Windows OS from this website by clicking the Driver Download button.
  2. Now, based on your OS type, the available print driver file will start to download.
  3. After downloading the driver file, you can install the driver on your Windows computer.

Lexmark T644 Driver For Mac

Mac Driver for Lexmark T644 Printer


  1. Click the Driver Download for Mac button provided below.
  2. Now, the Lexmark T644 printer driver file available for your Mac OS type will start to download.


  1. Open the downloaded driver file.
  2. If prompted, enter your Mac computer’s password in the given field.
  3. After entering it, click the Install Helper button and follow the prompts.
  4. Make sure to select the connection type correctly when prompted during the installation.
  5. Finally, try a test print.

Lexmark T644 Manual Download

User Manual for Lexmark T644 Setup
  1. Click the Manual Download button provided on this web page.
  2. Now, a soft copy of the Lexmark T644 setup user guide will download in the PDF format.
Lexmark T644 Driver & Manual Download

Steps: Lexmark T644 Toner Replacement

To replace the toner cartridge of your Lexmark T644 setup, follow the instructions given below.

  1. First, get a replacement toner cartridge.
  2. Switch off your Lexmark printer.
  3. Open the front cover of your printer.
  4. Gently, take the defective or used toner out of the printer.
  5. Now, take the new toner cartridge out of its package.
  6. You can see the toner cartridge neatly packed in an airbag. Now, slowly open the airbag and take the new toner cartridge out of it.
  7. Remove the protective tape surrounding the toner.
  8. Shake the cartridge a few times and then place it inside the printer.
  9. Close the front cover of your Lexmark printer.

Lexmark T644 Charge Roller

To install the charge roller on your Lexmark T644 printer, follow the instructions given below.

  1. Open thefront cover of your Lexmark printer.
  2. Take the toner cartridge out of the Lexmark printer.
  3. Now, locate the charge roller and slowly take it out of the printer.
  4. Place the new charge roller.
  5. After that, place the toner cartridge and close the front cover of the printer.

Steps: Lexmark T644 Fuser Replacement

The fuser unit of the Lexmark T644 setup should be replaced only by an authorized service technician. Contact your dealer or manufacturer to perform it. However, the steps to replace the fuser is given below, which you can carry out at your own risk.

  1. First, you need to cool the fuser. So, power off the printer and wait for a few minutes.
  2. Now, reach the fuser wiper and bring close the two latches that you see there.
  3. Now, pull the latches up to open up the cover.
  4. Now, remove the redrive door completely from the printer; first from the right and then from the left.
  5. Locate the redrive exit cap on the top of the printer and remove it.
  6. Now, you can view the redrive assembly. Release the mounting latches at both ends and take the assembly out.
  7. You can see the fuser unit well fixed to the printer. Remove it by unscrewing the screws at the bottom of the unit.
  8. At the bottom-left corner of the unit, you can see two connectors. Disconnect them.
  9. Proceed to disconnect the fuser cable.
  10. Now, take out the fuser unit from the printer.
  11. Get a new fuser unit from a trusted retailer and install it into the printer. You can follow the fuser removal process in reverse to replace the new fuser unit.

Lexmark T644 Wifi Setup

You can connect your Lexmark T644 printer over a wireless network using Internal MarkNet N8050 802.11g wireless print server. To know how go through the instructions given below.

Before you begin the process, check the requirements mentioned below:

  1. MarkNet N8050 802.11g wireless print server
  2. An active wireless network
  3. A computer connected to an active network.
  4. Printer and PC connected to the wireless network over a USB cable.

After satisfying the above requirements, begin the setup process as instructed below.

  1. Switch on your Lexmark printer if it is turned OFF.
  2. Now, connect the Lexmark T644 printer and your computer using a USB cable.
  3. Open the disc tray of your computer and place the utility CD of MarkNet N8050.
  4. Now, your computer will start detecting the CD and display a window.
  5. In the displayed window, you will be prompted or asked to select a Mode.
  1. Choose the Wizard Mode by clicking the radio button beside it.
  2. Now, the utility will start gathering information about the network that is connected to your computer.
  3. After a while, a list of predetermined wireless network names will be displayed on the screen.
  4. Select your Wi-Fi network name.
  5. Perform the instructions displayed on your computer to complete the process.
  6. Note: If your network name is not displayed, select the I want to enter a different network name option. Follow the instructions displayed on the screen.
  7. Make sure to disconnect the USB cable between the printer and your computer when prompted.
  8. Click the FINISH button when the installation process is complete.
  9. Finally, try to perform the print operation over a wireless network.

Lexmark T644 Print From A USB Flash Memory Device

To perform the print operation from a USB Flash Memory device on your Lexmark T644 printer, follow the instructions given below.

  1. Turn on your Lexmark T644 setup.
  2. Now, connect the USB Flash Memory device containing the document to be printed to your Lexmark printer.
  3. The documents stored in the memory device will be displayed on your Lexmark printer screen.
  4. Choose the document you want to print using the arrow buttons.
  5. After selecting the document, set the print preferences as required.
  6. Finally, press the Yes button.
  7. Now, your Lexmark printer will start to print the selected document.
Lexmark T644 setup Print From A Usb

Lexmark T644 Setup Troubleshooting Guide

Quick solutions to solve the Lexmark T644 printer issues like offline and paper jams are discussed below. If you encounter some other issues with this printer, then contact us to get remote assistance on the same.

Lexmark T644 Offline Solution

To resolve the printer offline issue, follow the instructions given below.

  1. On your Windows computer, open the Printers or Printer and Faxes folder.
  2. Select and right-click on your Lexmark printer.
  3. Choose the Use Printer Online option.
  4. Now, try to print on your Lexmark T644 setup.
  5. If you encounter the printer offline issue again, then check if your printer and the computer are connected to the same network.
  6. If the network or USB cable is damaged, replace it and then try to perform the print operation.
  7. Restart your computer and the Lexmark printer if the error Printer Offline persists.

Fixed: Lexmark T644 Paper Jam 241.10

The paper jam 241.0 error indicates that a paper jam has occurred on the inclined surface of a tray or across multiple trays.

  1. Open your Lexmark printer’s front tray.
  2. Take the jammed paper out of the tray.
  3. After removing the jammed media, reload a stack of plain paper on the tray.
  4. Now, try to perform a test print.
  5. If the error paper jam error appears, check for the jammed paper in the duplex tray.
  6. Open the duplex tray of your Lexmark T644 setup and slowly remove the jammed paper it if any.
printer setup support