Hewlett Packard
CS Compatible Replacement for HP LaserJet 2420D Toner Cartridge Black
- Page Yield:
- 6,000 Pages
- Availability:
- In Stock
- Shipping:
- Calculated at Checkout
- Page Yield:
- 6,000 Pages
- Availability:
- In Stock
- Shipping:
- Calculated at Checkout
- Compatible Printers
- Specifications
- SKU:
- HP2420D
- Printer Brand:
- Hewlett Packard
- OEM Number:
- Q6511A
- Ink Color:
- Black
- Page Yield:
- 6,000 Pages
- Printer Type:
- Laser Cartridge
- Condition:
- New Compatible
- Description
- Yields up to 6000 pages
- Manufactured specifically for HP printers compatible HP toner cartridges offer fast hassle-free printing
- HP LaserJet 2420D Toner Cartridge Black deliver consistent yields and provide high-quality results
- Streamline your printing needs with the time-saving reliability of compatible HP LaserJet toner cartridges
- Compatible with: HP: laser printer: LaserJet 2400 2410 2420 2430 printer series.
- Cartridge yield type: Standard
- Print technology: Laser
- Page yield footnote: Approximate average yield based on ISO/IEC 19752 actual yield varies considerably based on content of printed pages and other factors
- HP smart printing technology makes automatic adjustments to optimize print quality and enhance reliability
- Cost-effective HP 11 toner cartridge provides reliable operation to minimize user intervention and improve productivity
- Enjoy low maintenance trouble-free printing HP Smart technology1 in the toner cartridge and your printer makes HP supplies easy to install and maintain
- Receive automatic alerts when a cartridge is low or out enjoy convenient on-line ordering
- Toner cartridges deliver consistent yields and provide high-quality results
- Consistently outstanding print quality reliability saves time and increases productivity easy to install and maintain all-in-one cartridge
- Operating temperature range: 15 - 32.5 deg C storage temperature range: -20 - 40 deg C storage humidity range: 10 - 90% RH
- Includes: Toner cartridge Recycling guide
- Warranty: Warranted to be free from defects in materials and workmanship
- Reviews

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Compatible HP LaserJet 2420D Toner Cartridge Black produce superior quality and consistency for a wide array of printing needs
HP LaserJet 2420D Toner Cartridge Black is designed to deliver the best image quality and reliable printing. Toner cartridge is compatible with HP LaserJet 2400 2410 2420 2430 printer series and yields up to 6000 pages.
Features:-
Frequently Asked Questions
Does printing on both sides make this cartridge run out sooner?
No. The 2420D's duplex unit flips the sheet so both faces get printed, which halves paper use — but toner is consumed per printed side, and every side still counts toward the Q6511A's 6,000-page rating. Two-sided printing saves the paper budget, not the toner budget, and the 11A neither knows nor cares which mode you choose.
Which number should I match before ordering?
The one on the cartridge coming out of the machine: Q6511A, sold by HP as the 11A. Duplex, network and tray letters after a model name change nothing about the cartridge — the whole 2420 family drinks from the same part number.
What is in the parcel?
One black cartridge only, factory-sealed in its protective bag inside a single carton, at $45.76. Open it at the printer, because the sealing strip should come out moments before the cartridge goes in.
Talk me through the change on a 2420D.
Top cover up, old cartridge out by its handle. Give the new one a gentle side-to-side rock so the toner bed evens out, strip the seal, lower it into the bay until it clicks home, and close up. The printer calibrates itself and the queue carries on.
Why did the second side of my pages start looking lighter first?
It usually is not the second side at all — fading that seems one-sided is typically the whole cartridge running low, noticed first on whichever pages you inspect closely. Rock the cartridge and print again; if the lightness persists on both faces, the 11A has given its 6,000 pages.
What if the cartridge misbehaves after a week?
It is backed by a 1-year warranty with 1-year free returns, so a bad unit goes back or gets swapped rather than becoming your problem to nurse along. Help is available Monday–Friday, 9 AM–5 PM CST.
About This 11A Cartridge for the LaserJet 2420D
Owners of the duplexing LaserJet 2420d tend to run long documents — contracts, manuals, reports — and this single Q6511A is sized for exactly that rhythm: 6,000 pages of black output at $45.76, changed in two minutes when the panel says so.
We dispatch from IL, PA, GA and CA depending on stock and distance, with the details published on the shipping & returns page. Everything else stocked for this printer line is gathered under HP.

