Lexmark T644 Parts Manual

The Lexmark T644 is a high-performance monochrome laser printer designed for medium to large workgroups. This manual provides detailed information about the parts and components of the Lexmark T644 printer, including assembly instructions, maintenance tips, and troubleshooting guidelines. Below are key sections for parts identification, specifications, and service information.

1. Parts Identification 2. Specifications 3. Maintenance 4. Troubleshooting 5. Service Information

Parts Identification

Key components of the Lexmark T644 include the toner cartridge, drum unit, fuser assembly, and paper trays. Understanding these parts is essential for effective maintenance and troubleshooting.

Part	Description
Toner Cartridge	Contains toner for printing.
Drum Unit	Transfers toner to paper.
Fuser Assembly	Melts toner onto paper.
Paper Tray	Holds paper for printing.
Control Panel	Interface for printer settings.

Specifications

Print Speed: Up to 45 pages per minute.
Print Resolution: 1200 x 1200 dpi.
Monthly Duty Cycle: Up to 150,000 pages.
Connectivity: USB, Ethernet, and parallel ports.
Memory: 128 MB standard, expandable to 640 MB.
Supported Media Sizes: Letter, Legal, A4, A5, and custom sizes.
Power Supply: 110-240V AC, 50/60Hz.

Maintenance

Regular maintenance is crucial for optimal performance. This includes replacing the toner cartridge, cleaning the printer, and checking for paper jams.

Replace toner cartridge when low.
Clean the printer interior regularly.
Check and clear any paper jams.

Troubleshooting

Symptom	Possible Cause	Corrective Action
No print output	Toner cartridge empty	Replace toner cartridge.
Poor print quality	Dirty drum unit	Clean or replace drum unit.
Paper jams	Incorrect paper loading	Check paper tray and reload paper correctly.
Connectivity issues	Network settings	Check network configuration and cables.

Service Information

For service inquiries, contact Lexmark support at 1-800-555-0199 or visit the Lexmark website for additional resources.