HP Toner LaserJet Collection Unit (3WT90A)
The HP 3WT90A Toner Collection Unit, also known as a waste toner container, is a critical maintenance component for specific HP Color LaserJet Enterprise printers. Its primary function is to collect excess toner that is not transferred to the paper during the printing process. By doing so, it helps ensure that your printer continues to operate efficiently and produce clean, crisp, and high-quality prints without smudges or streaks. This genuine HP accessory is designed for simple, user-friendly replacement and boasts an impressive page yield of approximately 90,000 pages. Replacing this unit when prompted by the printer’s control panel is a key part of routine printer maintenance, helping to maximize your business’s efficiency and prevent damage to the machine. HP’s original collection unit includes anti-fraud technology and is part of their Planet Partners Programme, which promotes easy and free recycling.
System specification• Part Number: 3WT90A
• Product Type: Waste Toner Collection Unit / Container
• Print Technology: Laser
• Approximate Page Yield: 90,000 pages
• Compatibility:
o HP Color LaserJet Enterprise M751n / M751dn
o HP Color LaserJet Enterprise M856dn / M856x
o HP Color LaserJet Enterprise MFP M776dn
o HP Color LaserJet Enterprise Flow MFP M776z / M776zs
• In the Box: HP LaserJet Toner Collection unit, Installation Guide, Recycle Guide
• Warranty: 90-day parts-only warranty from HP
• Environmental Features: Recyclable through the HP Planet Partners program
Conclusion
The HP 3WT90A Toner Collection Unit is a vital component for ensuring the longevity and performance of compatible HP LaserJet Enterprise printers. By effectively capturing waste toner, it guarantees consistent, high-quality output and keeps the printer’s internal mechanisms clean. With its high page yield and easy replacement, it helps maximize printer uptime and office efficiency. Opting for this original HP part not only ensures optimal results but also supports sustainable practices through HP’s recycling initiatives.

