Canon BCI-6BK Black Ink Cartridge – Compatible | Castle Ink

SKU: BCI-6BK  |  Type: Compatible  |  Color: Black  |  Brand: Canon  |  OEM: Canon BCI-6BK (BCI6B)  |  Yield: Standard  |  Availability: In Stock

Canon BCI-6BK Black Ink Cartridge — Compatible Replacement

The Castle Ink Canon BCI-6BK is a high-quality compatible replacement for the genuine Canon BCI-6BK (also referenced as BCI6B). Engineered for crisp text and deep, neutral blacks, this cartridge delivers reliable performance across the wide range of Canon BJC, i-series, Pixma iP and Pixma MP photo printers that originally shipped with BCI-6 ink. Every cartridge is precision-filled with quality black ink and chip-tested before it leaves our facility, so you get smooth installation and dependable page-after-page output without paying OEM prices.

Why Choose This Compatible Cartridge

• Save up to 70% versus genuine Canon BCI-6BK pricing.
• Black ink formulated to match Canon BCI-6 yield and density.
• Sharp, neutral blacks ideal for text documents and photo shadows.
• Drop-in fit — no firmware updates, adapters, or tweaks required.
• Backed by our 1-year guarantee and 100% satisfaction promise.

Compatible Printers

• Canon BJC-8200
• Canon i860, i865, i900, i900D, i905, i965, i990
• Canon i9100, i9100D, i950, i960, i9900, i9900 Photo, i9950
• Canon Pixma iP4000R, iP5000, iP6000D, iP8500
• Canon Pixma MP750, MP760, MP780
• Canon S800, S820, S8200, S820D, S830, S830D, S900, S9000

Best Use Cases

This black cartridge is the workhorse companion in any BCI-6 ink set — perfect for everyday text documents, archival photo prints with rich shadow detail, and dye-based color projects that need a strong black anchor. Pair it with the BCI-6 cyan, magenta, yellow and photo cartridges for a full Canon photo-printing experience at a fraction of the cost.

Frequently Asked Questions

Is this a genuine Canon cartridge? No — this is a high-quality compatible cartridge engineered to perform like the Canon BCI-6BK at a significantly lower price.

Will using this void my printer warranty? No. Under the U.S. Magnuson-Moss Warranty Act, manufacturers cannot void your warranty solely because you use a compatible cartridge.

What if I have an issue with the cartridge? Every BCI-6BK is covered by our 1-year guarantee — contact our support team for a free replacement or full refund.