Lexmark T622 Service Manual

The Lexmark T622 is a high-performance monochrome laser printer designed for small to medium-sized workgroups. It offers fast printing speeds, high-quality output, and a variety of features that enhance productivity. This manual provides essential information on safety, features, installation, setup, operation, and troubleshooting.

1. Features at a Glance 2. Installation 3. First-Time Setup 4. Specifications 5. Controls and Settings 6. Connecting Devices 7. Printing Documents 8. Maintenance and Care 9. Regulatory Information 10. Troubleshooting

Features at a Glance

Key components: High-speed printing, automatic duplexing, network connectivity, and a user-friendly interface.

FeatureDescription
Print SpeedUp to 45 pages per minute
Print Resolution1200 x 1200 dpi
Duplex PrintingAutomatic double-sided printing
ConnectivityUSB, Ethernet, and optional wireless
Paper CapacityStandard 250-sheet tray, optional 550-sheet tray
Control PanelEasy-to-use LCD display
MemoryStandard 128 MB, expandable to 640 MB
Operating SystemsCompatible with Windows, Mac, and Linux

Installation

Unpack the printer and inspect the contents. Place the printer on a stable surface.

  1. Connect the power cord and plug it into an outlet.
  2. Attach the USB or Ethernet cable to connect to your computer or network.
  3. Load paper into the tray.
  4. Turn on the printer and install the toner cartridge.

WARNING! Ensure the printer is on a flat surface to avoid tipping.

First-Time Setup

Power on the printer and follow the on-screen prompts to configure settings.

  1. Select language and region settings.
  2. Connect to the network if using a network printer.
  3. Install printer drivers on your computer.
  4. Test print a configuration page.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Controls and Settings

Access the printer settings via the control panel. Use the LCD display to navigate through options.

Common Settings: Print quality, paper type, and network settings.

Connecting Devices

Connect the printer to your computer or network using the appropriate cable.

  1. Ensure the printer is powered off before connecting.
  2. Use a USB cable for direct connection or Ethernet for network.
  3. Install the printer driver on your computer.

Tip: Always use the latest drivers from the Lexmark website for optimal performance.

Printing Documents

To print documents, select the printer from your computer's print dialog.

  1. Choose the document you wish to print.
  2. Select the Lexmark T622 from the printer list.
  3. Adjust print settings as needed.
  4. Click print and wait for the document to process.

WARNING! Ensure paper is loaded correctly to avoid jams.

Maintenance and Care

Regular maintenance is essential for optimal performance.

Regulatory Information

This printer complies with FCC regulations and is certified for safety and electromagnetic compatibility.

For support, visit www.lexmark.com or contact customer service.

Troubleshooting

SymptomPossible CauseCorrective Action
Printer not respondingPower connectionCheck power cord and outlet.
Poor print qualityToner cartridgeReplace or shake toner cartridge.
Paper jamIncorrect paper loadingRemove jammed paper and reload correctly.
Network issuesConnection problemsCheck network settings and cables.

Reset: Use the control panel to reset settings if necessary.

Service: For further assistance, contact Lexmark support.

Lexmark T622 Service Manual © - All Rights Reserved 2026