Lexmark T634 Service Manual

The Lexmark T634 is a high-performance monochrome laser printer designed for heavy-duty printing in a variety of environments. It features fast print speeds, high-quality output, and robust security features. 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 advanced security features.

Feature	Description
Print Speed	Up to 45 pages per minute
Print Resolution	1200 x 1200 dpi
Duplex Printing	Automatic two-sided printing
Connectivity	USB, Ethernet, and optional wireless
Memory	Standard 256 MB, expandable to 512 MB
Paper Capacity	Standard 250-sheet input tray, optional 550-sheet tray
Security Features	Secure printing and user authentication

Installation

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

Connect the power cord and plug it into an outlet.
Connect the printer to your network using Ethernet or USB.
Load paper into the input tray.
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 instructions.

Select your language and region.
Connect to your network if using wireless.
Print a test page to confirm setup.

CAUTION! Ensure all connections are secure before powering on.

Specifications

Print Technology: Laser.
Print Speed: Up to 45 ppm.
Print Resolution: 1200 x 1200 dpi.
Memory: 256 MB (expandable to 512 MB).
Connectivity: USB 2.0, Ethernet, optional wireless.
Paper Handling: 250-sheet input tray, optional 550-sheet tray.
Dimensions: 15.5 x 16.5 x 12.5 inches.
Weight: Approximately 40 lbs.

Controls and Settings

Access the printer menu via the control panel. Use the buttons to navigate through settings for print quality, network configuration, and maintenance.

Control Panel: Power, Cancel, Menu, and Navigation buttons.

Connecting Devices

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

Turn off the printer and the device you are connecting.
Use a USB or Ethernet cable to connect.
Power on the printer and the connected device.

Tip: Ensure the printer is powered off before connecting cables.

Printing Documents

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

Open the document you wish to print.
Select 'Print' from the File menu.
Choose the Lexmark T634 from the list of printers.
Adjust settings as necessary and click 'Print'.

WARNING! Ensure the printer has paper and toner before printing.

Maintenance and Care

Regular maintenance is essential for optimal performance. Clean the printer and replace toner as needed.

CAUTION! Always unplug the printer before performing maintenance.

Regulatory Information

This printer complies with FCC regulations and safety standards. For more information, visit the Lexmark website.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Printer not responding	Power or connection issue	Check power supply and connections.
Poor print quality	Low toner or dirty drum	Replace toner or clean the drum.
Paper jams	Incorrect paper loading	Remove jammed paper and reload correctly.
Network issues	Connection problem	Check network settings and cables.

Reset: Refer to the menu for reset options if available.

Service: Contact Lexmark support for assistance.