HP 120A Laser Imaging Drum (W1120A) 16,000 Page Yield

HP 120A Laser Drum

The HP 120A Imaging Drum serves as the central electro-photographic component for the HP Color Laser 150 and 170 printer series. This unit employs a sophisticated Organic Photo-Conductor (OPC) layer to facilitate high-resolution output. Consequently, the drum accurately captures the latent image projected by the laser assembly. The hardware supports a duty cycle of approximately 16,000 pages under standard operating conditions. This high capacity significantly reduces the frequency of hardware maintenance for high-volume office environments.

Maintaining the integrity of the imaging surface is essential for professional document production. This original component integrates directly with the printer’s internal calibration systems. Therefore, the device maintains consistent color density across the entire lifecycle of the part. The specialized coating on the cylinder resists degradation from high-temperature fuser units and paper friction. This durability ensures that the final output remains sharp and legible without background shading or artifacts.

The primary charge roller (PCR) within the system applies a uniform negative charge to the drum surface. When the laser hits the surface, it discharges specific areas to create the image. Subsequently, the developer unit applies toner to these discharged areas. This precise interaction defines the final print resolution. Furthermore, the unit manages the waste toner collection process efficiently. This prevents internal contamination of the printer chassis and protects sensitive electronic components.

The modular design of the HP Color Laser system separates the toner from the drum unit. This architecture allows procurement managers to optimize supply budgets. Users only replace the imaging assembly when the photo-sensitive coating reaches its functional end. Additionally, utilizing genuine HP parts protects the internal drive motors from excessive torque. This reliability minimizes downtime and extends the overall service life of the printing fleet. Consequently, the total cost of ownership remains low.

Key Features

• High-Yield Architecture
  The unit provides a rated capacity of 16,000 pages for long-term operational efficiency.

• Precision Engineering

  • Optimized for HP Color Laser 150a and 150nw models
  • Compatible with MFP 178nw and 179fnw multi-function systems
  • Seamless integration with OEM firmware for life-cycle monitoring

Specifications

What’s in the Box

• 1 x HP 120A Original Laser Imaging Drum (W1120A)

• Installation Guide

• Recycling Guide

Why Choose HP 120A Laser Imaging Drum

• The replacement assembly maintains high-definition text and graphics throughout the component life.

• Authentic HP components prevent mechanical wear on internal printer gears and transfer belts.

• Automated tracking through the printer interface ensures timely replacement before print quality degrades.