SKU:

Q7551A

Printer Brand:

Hewlett Packard

OEM Number:

Q7551A

Ink Color:

Black

Page Yield:

6,500 Pages

Printer Type:

Laser Cartridge

Condition:

New Compatible

Frequently Asked Questions

What does the Q7551A code stamped on this cartridge actually tell me?

It is the part number identifying this exact supply: a black toner cartridge from the 51A line, made for the LaserJet P3005 family and its close relatives. Matching the code on the cartridge you are removing with the code on this box is the surest way to know you hold the same supply your printer runs on.

How many pages should I realistically expect from one cartridge?

The Q7551A is rated at 6,500 pages, on standard pages at about five percent coverage. Dense, graphics-heavy pages use more per sheet, so heavy printers land below the rating; light text users can come close.

Our pages have started coming out gray and washed out. Is the cartridge finished?

Usually, yes. Even fading across the whole page is the classic end-of-life sign. Take the cartridge out and rock it gently side to side to redistribute the powder inside; that buys a short run of darker pages. If the greyness returns quickly, the cartridge is genuinely empty.

Is there anything else worth checking before I order?

Print a test page and look at the pattern. Uniform weakness from top to bottom means toner. A sharp white stripe points to a scratched drum instead; marks repeating at regular intervals suggest a printer roller. Uniform fade plus a low-toner message means you simply need this cartridge.

How long does fitting the new cartridge take?

A couple of minutes. Open the top cover, lift out the old unit, rock the new cartridge gently to loosen the toner, remove the protective strip, slide it in until it seats, and close the cover. No tools, no settings.

What does the $45.25 price include, and what cover comes with it?

The price covers the single Q7551A cartridge delivered. It carries a 1-year warranty and 1-year free returns under the terms on our shipping and returns page. Orders ship from warehouses in Illinois, Pennsylvania, Georgia and California, and support is available Monday through Friday, 9 AM to 5 PM CST.

About This HP 51A Black Toner Cartridge

This compatible Q7551A black cartridge is the everyday supply for busy LaserJet P3005 workgroup printers: one cartridge, rated at 6,500 pages, at $45.25. It suits the office that prints steadily all month and wants a like-for-like swap when the fitted cartridge fades, with no packs to store. Part of our HP toner range, it is a single, simple answer to a single problem: the printer has run out of black.

Every machine in the family — LaserJet P3005d, LaserJet P3005dn, LaserJet P3005n, LaserJet P3005x and LaserJet P3005 — feeds on the 51A (Q7551A). Shelf-mates for the same platform include the high-yield 51X (Q7551X) single cartridge and the 51A (Q7551A) two-pack.