HP 09A Black Toner Cartridge (C3909A) – Compatible Replacement | Castle Ink

This remanufactured HP laser toner cartridge replaces the HP C3909A (09A) and produces truly high quality results. It comes with our 100% satisfaction guarantee and is ideal for home and office use. Features a new drum and all new components. Produces yield of up to 15,000 pages. Qualifies for FREE SHIPPING.

Frequently Asked Questions

Will the C3909A toner cartridge void my HP printer warranty?
No. Under the U.S. Magnuson-Moss Warranty Act, HP cannot void your printer warranty solely because you installed a remanufactured (non-OEM) toner cartridge. The C3909A is designed to drop in as a direct replacement for the OEM part.

What page yield should I expect from the C3909A?
The C3909A toner cartridge is rated for approximately 15000 pages at standard 5% page coverage (ISO/IEC test conditions). That puts it in the high-volume category — a good fit for offices that print steadily through the week.

Which printers use the C3909A?
The C3909A fits a range of HP models (HP LaserJet series), including the LASERJET 5Si, LASERJET 5Si MOPIER, LASERJET 5Si MX. The full compatibility list is in the Compatible Printers section above - check your printer model there before ordering.

How much will I save versus a genuine HP C3909A?
At $69.95, the Castle Ink C3909A is about 29% less than the typical OEM retail price of $98.95. For users printing regularly, that saving compounds quickly across replacements.

When will my C3909A order ship?
Orders placed before 2pm ET ship the same business day from our U.S. warehouse with free standard shipping on orders over $50. Most U.S. customers receive their order in 2-5 business days. Expedited shipping is available at checkout.