Lexmark MS812DN Service Manual

The Lexmark MS812DN is a high-performance monochrome laser printer designed for medium to large workgroups. It offers fast printing speeds, high-quality output, and advanced features such as duplex printing, network connectivity, and robust security options. Below are key sections for 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. Accessibility Features 9. Care & Cleaning 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: High-speed printing, duplex printing, network-ready, robust security features, and large paper capacity.

Feature	Description
Duplex Printing	Automatic double-sided printing to save paper
Network Connectivity	Ethernet and USB connections for easy integration
High Print Speed	Up to 55 pages per minute
Large Paper Capacity	Standard 650-sheet input capacity, expandable
Security Features	Secure printing and user authentication options

Installation

Unpack and inspect contents. Place on a stable surface.

Connect power cable: Plug into a grounded outlet.
Connect to network: Use Ethernet cable for network connection.
Load paper: Adjust paper guides and load paper into the tray.

WARNING! Printer is heavy; lift with care to avoid injury. Ensure all connections are secure.

First-Time Setup

Power on the printer; follow on-screen prompts.

Configure network settings: Use the control panel to select network options.
Install toner cartridge: Open the front cover and insert the toner cartridge.
Load paper: Ensure paper is loaded correctly in the tray.

CAUTION! Ensure stable surface; use two people for handling if necessary.

Specifications

Print Speed: Up to 55 pages per minute.
Print Resolution: Up to 1200 x 1200 dpi.
Monthly Duty Cycle: Up to 150,000 pages.
Paper Capacity: 650 sheets standard, expandable to 3,300 sheets.
Connectivity: USB 2.0, Ethernet, and optional wireless.
Operating System Compatibility: Windows, macOS, Linux.
Power Supply: 100-240V AC, 50/60Hz.

Controls and Settings

Access settings via the control panel. Features include print settings, network configuration, and maintenance options.

Control Panel: LCD display, navigation buttons, and status indicators.

Connecting Devices

Connect to computers or networks via USB or Ethernet.

Turn off printer and devices before connecting.
Match cables to ports (e.g., USB to computer).
Select input via the control panel if necessary.

Tip: Ensure printer is off and unplugged before connecting cables.

Printing Documents

Supports various document types and sizes.

Select document: Open the document on your computer.
Print: Choose 'Print' from the file menu and select the Lexmark MS812DN.
Adjust settings: Configure print settings as needed.
Confirm: Click 'Print' to start printing.

WARNING! Ensure paper is loaded correctly to avoid jams.

Accessibility Features

Accessibility options include voice prompts and adjustable control panel settings for ease of use.

Care & Cleaning

Unplug before cleaning. Use a dry cloth only; no liquids or aerosols.

CAUTION! Do not spray liquids; keep away from heat and moisture.

Regulatory Information

Complies with FCC regulations for Class B digital devices. For support, visit www.lexmark.com or contact customer service.

Troubleshooting

Symptom	Possible Cause	Corrective Action
Printer not responding	Power or connection issue	Check power supply and connections.
Poor print quality	Toner cartridge issue	Replace or reinstall toner cartridge.
Paper jam	Incorrect paper loading	Remove jammed paper and reload correctly.
Network issues	Connection settings	Verify network settings and connections.

Reset: Menu > Settings > Reset if available.

Service: Contact Lexmark support for assistance.