HP Laserjet PRO 400 M401DN M401dne M401dw M401n Mfp M425DN Fuser Unit (RM1-8809-0000)

About HP Laserjet PRO 400 M401DN M401dne M401dw M401n Mfp M425DN Fuser Unit (RM1-8809-0000)

The fuser assembly for the HP LaserJet Pro 400 series, including models M401dn,M401dne, M401dw, M401n, and MFP M425dn, is a critical internal component responsible for permanently bonding toner to paper using a combination of high heat and pressure. It is typically identified by part numbers RM1-8809 (220V/240V for international/Indian use) or RM1-8808
(110V/120V for US use).

Detailed Product Description

This heat-based assembly is an essential replacement part for maintaining professional print quality and printer longevity.

Core Functionality: It uses a pre-installed heating roller and a pressure roller to melt toner particles into the paper fibers.
Performance Metrics: Designed for heavy-duty environments, it supports a duty cycle of approximately 50,000 to 100,000 pages before requiring replacement.
System Reliability: Installing a new fuser unit is the primary solution for resolving common errors such as "Fuser Error," persistent paper jams in the rear section, smudging, or toner that rubs off the page.

Technical Specifications

Attribute	Specification
Compatible Models	HP LaserJet Pro 400 M401 (a/d/n/dn/dw/dne), MFP M425dn, M425dw
Part Numbers	RM1-8809-000CN (220V), RM1-8808-000CN (110V)
Voltage	220240V AC (+/- 10%) or 110127V AC
Technology	Heat-based Laser Fusing
Yield	Approx. 50,000 to 100,000 pages
Weight	Approximately 500g to 2kg depending on packaging and variant