Maintenance Kit HP LaserJet Toner Collection Unit A91Z4A — Laser, Black, 130000 pages, 556×149×130 mm

The HP LaserJet Toner Collection Unit A91Z4A is a maintenance kit designed for HP laser printers to collect residual black toner from the imaging path. The unit supports high‑volume printing environments with a rated page yield of approximately 130,000 pages. Supplied as a single piece, the collection unit measures 556 × 149 × 130 mm and weighs approximately 0.52 kg, providing a compact solution for routine maintenance that helps maintain print quality and reduce toner contamination inside the device.

Advantages

This HP maintenance kit simplifies service procedures by providing a dedicated container for residual toner, reducing the need for manual cleaning of the imaging path. The unit is compatible with HP systems and is specified for laser printing in black, offering predictable replacement intervals based on the estimated page yield. Its dimensions and lightweight design allow straightforward handling and installation by service personnel or users following standard maintenance routines.

Suitable for

• High‑volume office or workgroup laser printers that require scheduled maintenance
• Environments where minimizing toner spillage and internal contamination is important
• Service technicians performing routine preventive maintenance on HP LaserJet devices

Key specifications

• Page yield: approximately 130,000 pages
• Print technology: Laser
• Printing colour: Black
• Quantity per pack: 1 piece
• Weight: 0.52 kg
• Physical dimensions: 556 × 149 × 130 mm

How to use

Turn off the printer and follow the device manufacturer’s safety and service instructions before replacing the toner collection unit. Open the designated access panel, remove the used collection unit according to the printer’s service manual, and install the new HP Toner Collection Unit A91Z4A in the indicated slot until it clicks into place. Close the access panel, power the printer back on, and allow the device to initialize. Dispose of the removed unit in accordance with local regulations for toner waste.

Recommendations

Monitor page counters and device alerts to replace the toner collection unit near the recommended interval of 130,000 pages, and use gloves and protective measures when handling used units to avoid toner contact. Follow HP service documentation for compatible models and disposal instructions to ensure safe and effective maintenance.