Sharp AJ-T20BK Black High-Capacity Ink Cartridge – Compatible | Castle Ink

SKU: AJ-T20BK  |  Type: Compatible Ink Cartridge  |  Color: Black (High-Capacity)  |  Brand: Sharp Compatible  |  Yield: ~1,000 pages at 5% coverage  |  Availability: In Stock

Sharp AJ-T20BK Black High-Capacity Ink Cartridge — Compatible Replacement

The Sharp AJ-T20BK is a black, high-capacity ink cartridge designed for Sharp inkjet multifunction fax and copier machines. This Castle Ink compatible replacement delivers the same crisp, dark text and dependable performance as the original AJ-T20BK at a fraction of the price. Each cartridge is filled with archival-grade pigment-based black ink that resists fading and smudging on plain copier paper, making it ideal for high-volume office printing, faxing, and document archival in busy work environments where uptime and cost-per-page matter.

Why Choose This Compatible Cartridge

• Save up to 70% versus the genuine Sharp AJ-T20BK without compromising print quality.
• High-yield capacity — approximately 1,000 pages at 5% coverage, matching the OEM spec.
• Sharp pigment black output engineered for clear faxes, legible reports, and crisp barcodes.
• Drop-in installation — no firmware updates, chip swaps, or printer reconfiguration required.
• One-year quality guarantee backed by Castle Ink's no-hassle replacement policy.

Compatible Printers

• Sharp AJ-1800
• Sharp AJ-2000
• Sharp AJ-2100
• Sharp AJ-2200
• Sharp AJ-6010
• Sharp AJ-6020

Best Use Cases

This high-capacity black cartridge is the right pick for small offices, home offices, and back-office workgroups that rely on Sharp AJ-series multifunction machines for daily faxing, copying, and printing of black-and-white documents, invoices, and reports. Because the AJ-T20BK is increasingly hard to find at retail, ordering the Castle Ink compatible version is also a smart way to keep aging-but-reliable Sharp hardware running without overpaying for shrinking OEM stock.

Frequently Asked Questions

Is this an original Sharp cartridge?
No — this is a Castle Ink compatible AJ-T20BK replacement, not an original Sharp product. It is engineered to match the OEM in fit, yield, and print quality.

What kind of warranty is included?
Every Castle Ink cartridge ships with a one-year quality guarantee. If you have any issue with print quality or installation, we'll replace it or refund your purchase.

How many pages will it print?
Approximately 1,000 pages at 5% page coverage, in line with the genuine AJ-T20BK rated yield.

What if it doesn't work in my printer?
Contact our U.S.-based support team and we'll troubleshoot, replace, or refund — no restocking fees, no hassle.