About HP LaserJet Pro 400 Color M451nw Replacement Parts
The HP LaserJet Pro 400 Color M451nw is a high-performance machine designed for demanding environments. Maintaining peak performance requires high-quality consumables and precision-engineered parts. All components listed below are verified against original OEM specifications to ensure 100% compatibility. Not sure which part number you need? Contact our technical team for a free consultation.
Paper Feed Components
2 parts foundCassette Pickup Roller Assembly
Separation Roller
Frequently Asked Questions — HP LaserJet Pro 400 Color M451nw Parts
About the HP LaserJet Pro 400 Color M451nw
The HP LaserJet Pro 400 Color M451nw is a reliable color laser printer that delivers vibrant color output and fast print speeds for busy workgroups. Featuring built-in wireless and Ethernet networking, it enables seamless sharing and mobile printing capabilities, making it an ideal choice for businesses looking to enhance their document professionality and workflow efficiency.
Core Performance Specifications
- Print Speed: Up to 21 pages per minute (ppm) black and color.
- Resolution: Up to 600 x 600 dpi with HP ImageREt 3600.
- Monthly Duty Cycle: Up to 40,000 pages per month.
- First Page Out Time: As fast as 17 seconds.
- Display: 2-line LCD (text).
- Processor Speed: 600 MHz.
- Memory: 128 MB standard (expandable up to 384 MB).
Paper Handling and Media
- Standard Paper Capacity: 300 sheets (250-sheet input tray and 50-sheet multipurpose tray).
- Maximum Paper Capacity: Up to 550 sheets with optional 250-sheet tray.
- Media Weights: 16 to 47 lb (up to 176 g/m²; up to 220 g/m² with HP laser glossy photo papers).
- Standard Media Sizes: Letter, legal, executive, 4 x 6 in, 5 x 8 in, envelopes.
- Duplex Printing: Manual (with driver support).
Scanning and Copying Features
- Functionality: This is a single-function printer; scanning and copying features are not integrated.
- Advanced Features: Print from virtually anywhere with HP ePrint.
Connectivity and Security
- Connectivity: 1 Hi-Speed USB 2.0; 1 Fast Ethernet 10/100Base-TX; Wireless 802.11b/g/n.
- Mobile Printing: HP ePrint, Apple AirPrint.
- Security Features: Embedded Web Server with password protection; SNMP management.
Physical Dimensions:
- Base Dimensions: 15.9 x 17.9 x 12.7 in (405 x 454 x 322 mm).
- Weight: 50.0 lbs (22.7 kg).

