42CT330 Overview
The Lexmark CX421adn is a compact and versatile color laser multifunction printer designed to meet the needs of small and medium-sized businesses. Delivering outstanding color quality at speeds of up to 25 pages per minute (ppm), this MFP supports printing, copying, scanning, and duplex printing in a single, efficient device. Its 2.8-inch color LCD display makes operation simple, while robust connectivity and advanced security features ensure smooth and secure workflows. The CX421adn is built for long-lasting reliability and designed with sustainability in mind, offering energy-saving features and efficient performance.
Technical Specifications
| Specification | Details |
|---|---|
| Part Number | 42CT330 |
| Functions | Print, Copy, Scan |
| Print Technology | Color Laser |
| Print Speed (Letter/A4) | Up to 25 ppm |
| First Page Out Time | Black: as fast as 9.5 seconds; Color: as fast as 11.5 seconds |
| Print Resolution | Up to 1200 x 1200 dpi |
| Processor | Dual-core 1.2 GHz |
| Memory (Standard/Maximum) | 1 GB / 1 GB |
| Monthly Duty Cycle | Up to 75,000 pages |
| Recommended Monthly Volume | 750 – 5,000 pages |
| Input Capacity (Standard) | 250 sheets |
| Maximum Input Capacity | Up to 1,450 sheets (with optional trays) |
| Output Capacity | 150 sheets |
| Duplex Printing | Automatic (Standard) |
| Connectivity | USB 2.0, Gigabit Ethernet |
| Display | 2.8-inch Color LCD |
| Supported Media Types | Plain paper, envelopes, labels, card stock, glossy paper |
| Supported Media Sizes | Letter, Legal, Executive, A4, A5, A6, JIS B5 |
| Mobile Printing Support | Mopria, Google Cloud Print, Lexmark Mobile Print |
| Security Features | Secure Print, Network Security, Device Hardening |
| Energy Certifications | ENERGY STAR®, EPEAT® Silver |
| Dimensions (W x D x H) | 17.4 x 16.6 x 18.2 in (442 x 421 x 462 mm) |
| Weight | 56.8 lbs (25.8 kg) |
| Warranty | 1 Year Onsite Service |
Key Features
✅ Compact Color MFP – Combines printing, copying, and scanning in one space-saving device.
✅ Fast Output – Prints up to 25 ppm with duplex printing included for efficiency.
✅ Brilliant Color Quality – Vivid, professional-quality prints with 1200 x 1200 dpi resolution.
✅ User-Friendly Interface – 2.8-inch color LCD for simple navigation and operation.
✅ Robust Security – Multiple layers of protection including secure print and device hardening.
✅ Eco-Friendly Performance – ENERGY STAR® and EPEAT® Silver certifications with energy-saving features.

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