Hewlett Packard
CS Compatible Replacement for HP Q7581A Toner / HP 503A Toner Cartridge Cyan
- Page Yield:
- 6,000 Pages
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Page Yield:
- 6,000 Pages
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Compatible Printers
- Color LaserJet 3800
- Color LaserJet 3800dn
- Color LaserJet 3800dtn
- Color LaserJet 3800n
- Color LaserJet CP3505dn
- Color LaserJet CP3505n
- Color LaserJet CP3505x
- LaserJet 3800
- LaserJet 3800dn
- LaserJet 3800dtn
- LaserJet 3800n
- LaserJet CP3505dn
- LaserJet CP3505n
- LaserJet CP3505xi>
- COLOR LASERJET 3600DN
- COLOR LASERJET 3600N
- Color LaserJet 3600
- Color LaserJet CP3505
- HP 501A-502A
- HP 501A-503A
- Specifications
- SKU:
- Q7581A
- Printer Brand:
- Hewlett Packard
- OEM Number:
- Q7581A
- Ink Color:
- Cyan
- 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 503A (Q7581A) Cyan toner cartridges deliver consistent yields and provide high-quality results
- Streamline your printing needs with the time-saving reliability of Compatible HP LaserJet toner cartridges
- High-technology matches the brilliance of your ideas with new HP colorsphere toner
- Packaging: Each
- Compatible with: HP Color LaserJet printers 3800 3800DN 3800DTN 3800N CP3505 CP3505N CP3505DN CP3505X Cartridge yield type: Standard
- Print technology: Laser
- Page yield footnote: Approximate yield based on 5% average coverage actual yields vary considerably based on content of printed pages and other factors
- Improved gloss produces sharp blacks and a dynamic range of bright brilliant colors for photo-quality business printing that brings your ideas to life
- Quick easy more productive HP colorsphere toner enables fast high-quality printing
- HP smart technology in HP supplies interacts with the printer to consolidate needed supplies into a single order
- HP smart technology is finely tuned to the unique properties of HP's colorsphere toner enabling the cartridges and the printer to trigger adjustments that optimize print quality and reliability
- Hassle-free results save time
- Manufactured specifically for HP printers Compatible HP toner cartridges offer fast hassle-free printing
- Toner cartridges deliver consistent yields and provide high-quality results
- Streamline your printing needs with the time-saving reliability of Compatible HP LaserJet toner cartridges
- Operating temperature range: 10 - 27 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
-
Good stuff
We have several HP printers in our department that use this product. While it would be nice if we could get more mileage out of the toner cartridge we have found that we get the absolute BEST performance from the printers when we use the OEM cartridges. T
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Good Experience
This cartridge works great in my HP laser printer; installation was quick and very simple. The price is right too.
-
I'm seeing lines!
On the very first set of color prints just graphics not even photos I'm seeing lines. Also the image is faded when compared to another printer which used to be of lesser quality than the HP.
-
Good experience
I works as well as the original but haven't used it up yet so don't know how long it will last.
Pleased so far. -
Worked great
Haven't had any problems with this...I have printed many pages so far. Shipped on time. Was worried that the toner would damage the printer but that hasn't been the case.
-
Five Star Product
Very nice and sharp color I recommend it.
-
Great Toner Cartridge
Seems to be good so far. I've had lots of refilled cartridges that have not worked well and have brought 2 of these now with no problems.

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Compatible HP 503A (Q7581A) Cyan toner cartridges produce superior quality and consistency for a wide array of printing needs
HP 503A (Q7581A) Cyan Compatible toner cartridge is designed to deliver the best image quality and reliable printing. Toner cartridge is compatible with HP LaserJet 3800 3800DN 3800DTN 3800N CP3505 CP3505N CP3505DN CP3505X printer series and yields up to 6000 pages.
Features:
Frequently Asked Questions
What is the Q7581A, sold as the HP 503A cyan?
It is the cyan cartridge for HP's 3800 and CP3505 color families, rated at 6,000 pages. The two numbers name the same supply: Q7581A is the part code stamped on the cartridge, and 503A is the family name it is sold under. This listing is for the cyan unit only.
How do I know it is the cyan cartridge that needs changing?
Prints give it away. When skies wash out, greens turn yellowish and blues lose their depth while reds and blacks stay strong, cyan is the channel running dry. The supplies page on a Color LaserJet 3800 confirms it, showing each color's remaining level separately.
Must the other colors be changed at the same time?
No. Each color is an independent cartridge with its own life, and they rarely run out together. Replace the cyan alone and leave the others until their own output fades. Changing a whole set out of habit throws away cartridges that still have good pages in them.
What does the 6,000-page rating mean for color work?
It is measured at five percent coverage of the page in that color. A page of charts and photographs can lay down far more cyan than a memo with a blue heading, so graphics-heavy work shortens real life, while everyday office color comes close to the rating.
How is the cyan cartridge fitted?
Open the front door of the printer, note the color order on the labels inside, and draw the cyan unit out by its handle. Strip the seal from the new cartridge, slide it into the cyan slot until it seats, and close the door. The printer calibrates itself on the next pages.
What backing comes with this cartridge?
It is covered by a 1-year warranty and 1-year free returns, detailed on our shipping and returns page. We ship from warehouses in Illinois, Pennsylvania, Georgia and California, and our support team answers Monday through Friday, 9 AM to 5 PM CST.
About This 503A Cyan Cartridge
A single compatible cyan cartridge — Q7581A, the HP 503A — for the color LaserJets that built their reputations in busy offices. In our HP toner cartridge range it is the channel-by-channel way to maintain such a printer: 6,000 rated pages of cyan, changed only when the blue channel itself says so, and no pressure to disturb the colors that are still printing well. It is priced at $57.72.

