Epson WorkForce Pro WF-7840
- Technology
- inkjet
- Released
- 2020
- Type
- All-in-one (MFP)
- Duplex
- Yes
Need to set up this Epson printer?
Use the verified Epson setup hub for the official connection method, then return to this page for model and compatible-part information.
Open the Epson setup guideCompatible parts
- Epson 812 yellow ink cartridge812420
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812 cyan ink cartridge812220
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812 magenta ink cartridge812320
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812XL black high-capacity ink cartridge812XL120
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812XL cyan high-capacity ink cartridge812XL220
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812XL magenta high-capacity ink cartridge812XL320
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812XL yellow high-capacity ink cartridge812XL420
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812XXL black extra-high-capacity ink cartridge812XXL120
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson 812 black ink cartridge812120
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)
- Epson maintenance boxC12C934591
US compatibility verified 2026-08-13 · WF-7820/WF-7840 User's Guide — Ink Cartridge and Maintenance Box Part Numbers (US and Canada)