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Epson T8581 / C13T858100 XXL black DURABrite Pro pigment-ink cartridge for WorkForce Enterprise WF-C20590. 859.1 ml and a 50,000-page manufacturer reference per cartridge; one cartridge supplied.
R3,569.00
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EPSON T8581 · BLACK ENTERPRISE INK
Epson T8581, global part C13T858100, is an XXL black DURABrite Pro pigment-ink cartridge for the WorkForce Enterprise WF-C20590. Its 859.1 ml fill volume and 50,000-page manufacturer reference describe one replacement cartridge, with the printer’s two-black-cartridge configuration kept distinct.
BLACK INK IDENTITY
The existing T858100 listing maps to Epson’s C13T858100 ordering code and T8581 short name. The cartridge contains black DURABrite Pro pigment ink. Match the full part and colour to the printer’s regional supplies record before installation.
VOLUME AND YIELD
Epson lists 859.1 ml and a 50,000-page black yield reference for this XXL cartridge. Fill volume describes the ink supplied; page yield describes a test-based printing result. Printed images, usage and maintenance affect how much work a replacement cartridge delivers.
TWO BLACK POSITIONS
The WF-C20590 uses two black cartridge positions, BK1 and BK2. Epson’s printer brochure explains its 100,000-page black replenishment figure as two 50,000-page cartridges, both required for operation. This listing supplies one cartridge; the printer-level total is not a promise for this single item.
EXACT PRINTER FIT
The manufacturer identifies the WorkForce Enterprise WF-C20590 for this black cartridge. Similar Enterprise model names do not establish interchangeability: the same user guide assigns T8871 black ink to WF-C17590. Check the exact model and local cartridge code rather than selecting by the wider WF-C family.
PIGMENT INK AND HANDLING
Epson describes DURABrite Pro as fast-drying pigment ink for high-volume applications. Follow the WF-C20590 user guide for replacement and storage, and the cartridge label for handling information. The manual also distinguishes the ink consumed during initial setup from later replacement-cartridge use.
| Brand | Epson |
|---|---|
| Short name / catalogue SKU | T8581 / T858100 |
| Global ordering code | C13T858100 |
| Colour | Black |
| Ink family / type | DURABrite Pro / pigment ink |
| Capacity class | High-capacity / XXL |
| Supply quantity | Singlepack; 1 cartridge |
| Fill volume | 859.1 ml, manufacturer reference |
| Catalogue EAN/GTIN | 8715946629230 |
| Manufacturer black yield reference | 50,000 pages per cartridge |
|---|---|
| Printer-level black reference | 100,000 pages from two 50,000-page black cartridges; both required for operation |
| Black cartridge positions | BK1 and BK2 |
| Yield qualification | Actual yield varies with printed content, usage and maintenance |
| Initial setup ink | Initial cartridges use ink to charge the printhead; replacement yield differs from initial-use supply |
| Verified printer | WorkForce Enterprise WF-C20590 |
|---|---|
| Boundary | Do not infer compatibility with the wider WF-C2XXX range or WF-C17590 |
| Regional codes | Cartridge codes can vary by location; confirm exact printer supplies reference |
| Ink design focus | Fast-drying pigment ink for high-volume printing, per Epson DURABrite Pro description |
| Replacement guidance | Follow the exact printer user guide and cartridge label |
Confirm C13T858100/T8581 and the WF-C20590 regional supplies record. The 50,000-page figure applies to one cartridge under manufacturer reference conditions; both black cartridges are needed for the printer’s complete black-ink configuration.
Use official support resources for this product. Each link opens in a new tab.
Official English printer-family manual. Use the WF-C20590 cartridge-code and replacement sections; WF-C17590 uses different ink codes. Confirm the local supplies reference.
Open official support (opens in a new tab)Official printer brochure listing C13T858100 and explaining the two-black-cartridge 100,000-page reference. Printer features and options describe the brochure’s market, not extra items in this single-cartridge listing.
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