Hewlett Packard
Compatible HP 5550n (C9733A) Toner Cartridge Magenta
- Page Yield:
- Color: 13000
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Page Yield:
- Color: 13000
- Availability:
- In Stock
- Shipping:
- Free Shipping
- Compatible Printers
- Color LaserJet 5500
- Color LaserJet 5500dn
- Color LaserJet 5500dtn
- Color LaserJet 5500hdn
- Color LaserJet 5500n
- Color LaserJet 5550
- Color LaserJet 5550dn
- Color LaserJet 5550dtn
- Color LaserJet 5550hdn
- Color LaserJet 5550n
- LaserJet 5500
- LaserJet 5500dn
- LaserJet 5500dtn
- LaserJet 5500hdn
- LaserJet 5500n
- LaserJet 5550
- LaserJet 5550dn
- LaserJet 5550dtn
- LaserJet 5550hdn
- LaserJet 5550ni>
- i>
- HP 645A
- Specifications
- SKU:
- CLS-HP-5550n-M
- Printer Brand:
- Hewlett Packard
- OEM Number:
- C9733A
- Ink Color:
- Magenta
- Page Yield:
- Color: 13000
- Printer Type:
- Laser Cartridge
- Condition:
- New Compatible
- Description
- Reviews


Explore the robust and reliable printing capabilities of the HP 645A Color LaserJet Series, offering a comprehensive range of printers to meet diverse printing requirements. The Color LaserJet 5500DN, 5500DTN, 5500HDN, and 5500N models provide high-quality color printing, while the 5550DN, 5550DTN, 5550HDN, and 5550N offer enhanced performance and versatility. Experience vibrant color printing with the C9730A Black, C9731A Cyan, C9733A Magenta, and C9732A Yellow toner cartridges, compatible with the HP 645A toner cartridge and toner cartridge options. These cartridges ensure consistent and reliable print quality for a variety of printing tasks, from documents to marketing materials. Invest in a printing solution that meets your business needs with the HP 645A Color LaserJet Series, known for its exceptional performance and professional-grade results. Whether it's the Color LaserJet 5500 series or 5550 series models, these printers deliver superior print quality and reliability for all your printing needs.
Frequently Asked Questions
Which magenta code belongs to this printer?
C9733A. It is the magenta cartridge of the 645A family, and the unit you slide out of the machine carries the same stamp. For a studio that orders against proofs and deadlines, that stamp is the one check worth doing.
Why do designers watch magenta more closely than the other colors?
Because magenta builds the reds, and reds are where brand work lives — logos, packaging mock-ups, signage. A small magenta drift moves a client's red visibly, while the same drift in another channel might pass unnoticed.
The 'n' model is networked but has no duplex unit. Does that affect this cartridge?
Only in workflow. Two-sided proofs are flipped by hand, and each printed side uses the magenta its artwork contains. The cartridge neither knows nor cares how the sheet got its second side.
Before a client proof run, how do we check this cartridge honestly?
Print a solid magenta block alongside your red brand swatch. If the block is even and the red matches your reference print, proof with confidence; if either has faded, change the cartridge before the client sees a weak proof, not after.
How does studio comp work compare with the 12,000-page rating?
Comps are dense: full-page color, layered artwork, generous coverage. A studio should treat the rating as the office benchmark and expect real life to run shorter, with the supply gauge checked as part of opening any color-critical job, the way ink gets checked before a press run.
What warranty and returns does this cartridge come with?
A 1-year warranty and 1-year free returns. Orders ship from Illinois, Pennsylvania, Georgia and California, our support hours are Monday through Friday, 9 AM to 5 PM CST, and the shipping and returns page spells out the terms.
About This Magenta Cartridge for the Color LaserJet 5550n
This C9733A magenta cartridge is $166.60 with a 12,000-page rating, made for the HP Color LaserJet 5550n on a studio network — the machine every desk sends color to, and the one whose reds end up in front of clients. It is bought by people who proof for a living and treat a fading magenta as a scheduling problem, not a surprise.

