Lexmark X738de Service Manual

The Lexmark X738de is a multifunction printer designed for high-volume printing, scanning, copying, and faxing. It features advanced printing technology, a user-friendly interface, and robust security features. 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, color scanning, fax capabilities, and a large touchscreen interface.

Feature	Description
Print Speed	Up to 40 pages per minute
Scan Resolution	Up to 600 x 600 dpi
Fax Capability	Super G3 fax modem
Touchscreen	7-inch color touchscreen for easy navigation
Duplex Printing	Automatic double-sided printing
Network Connectivity	Ethernet and USB interfaces
Security Features	Secure printing and user authentication

Installation

Unpack and inspect contents. Place on a stable surface.

Connect power: Plug the printer into a grounded outlet.
Connect to network: Use Ethernet or USB cable.
Install toner cartridges: Follow the instructions in the manual.
Load paper: Adjust the paper guides and load 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.

Set language: Choose your preferred language on the touchscreen.
Connect to Wi-Fi: Select your network and enter the password.
Print test page: Verify installation by printing a test page.

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

Specifications

Print Technology: Laser.
Print Speed: Up to 40 ppm (black and color).
Print Resolution: Up to 1200 x 1200 dpi.
Monthly Duty Cycle: Up to 75,000 pages.
Connectivity: USB 2.0, Ethernet, Wi-Fi.
Paper Handling: 250-sheet input tray, 100-sheet output bin.
Toner Yield: Up to 6,000 pages (black), 5,000 pages (color).
Operating System Compatibility: Windows, macOS, Linux.

Controls and Settings

Access settings via the touchscreen interface. Use the home button to navigate between functions.

Menu Options: Print, Scan, Copy, Fax, Settings.

Adjust print quality, paper size, and other settings through the menu.

Connecting Devices

Connect via USB or network for printing and scanning.

Turn off printer and devices before connecting.
Match cables to ports (e.g., USB to computer).
Select input via the touchscreen menu.

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

Printing Documents

Supports various document types including PDF, Word, and images.

Select document: Open the file on your computer.
Print: Choose the Lexmark printer from the print dialog.
Adjust settings: Select preferences for quality and paper size.
Confirm: Click print to send the document to the printer.

WARNING! Ensure paper is loaded correctly to avoid jams.

Accessibility Features

Voice guidance and large print options are available in the settings menu.

Care & Cleaning

Unplug before cleaning. Use a soft, dry cloth to clean the exterior.

CAUTION! Do not use liquids or aerosols; 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	Low toner or settings	Replace toner or adjust print settings.
Paper jam	Incorrect paper loading	Remove jammed paper and reload correctly.
Scan not working	Software issue	Reinstall printer drivers and software.

Reset: Menu > Settings > Reset if available.

Service: Contact Lexmark support for assistance.