Epson T05A4 WorkForce Pro WF-C879R Yellow XL Ink Supply Unit (C13T05A40N)
The Epson T05A4 Yellow XL Ink Supply Unit (C13T05A40N) is an original high-capacity ink cartridge designed for Epson WorkForce Pro WF-C878R and WF-C879R series printers. Using DURABrite Ultra pigment-based yellow ink, this XL ink pack delivers vibrant, fade- and smudge-resistant prints with a page yield of up to 20,000 pages, making it ideal for professional high-volume office printing.
Product Features
Extra-High Capacity XL Yield
Provides up to 20,000 pages at 5 percent coverage (ISO/IEC 24711), reducing the need for frequent replacements and supporting high-volume workflows.
DURABrite Ultra Pigment Ink
Produces vibrant, durable yellow prints that resist fading, smudging, and water damage, ensuring professional-quality documents.
Optimized for RIPS Printers
Part of Epson’s Replaceable Ink Pack System (RIPS), featuring pressurized delivery and smart chip technology for consistent and reliable ink performance.
Designed for High-Volume Printing
Engineered for professional and busy office environments, minimizing downtime and maintaining productivity with fewer ink changes.
Original Epson Product
Genuine Epson ink ensures full compatibility, dependable printer performance, and consistent, high-quality output.
Product Specifications
- Product type: Yellow XL ink supply unit
- Model name: T05A4
- Manufacturer part number: C13T05A40N
- Brand: Epson
- Ink color: Yellow
- Ink type: DURABrite Ultra pigment-based ink
- Capacity: Extra high capacity (XL)
- Page yield: Up to 20,000 pages at 5 percent coverage (ISO/IEC 24711)
- Compatible printers: Epson WorkForce Pro WF-C878R series, WF-C879R series
- Compatibility type: OEM
- Intended use: Professional high-volume color printing




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