Epson WorkForce WF-7845 Ink Cartridges
Your Epson WorkForce WF-7845 uses the 812, 812XL, 812XXL ink cartridge series, configured in an independent four-colour setup. We have been supplying reliable consumables for this printer since Sep 2020, helping small operations manage wide-format administrative print workflows. Because commercial offices frequently transition from basic single-page text documentation to intensive large-scale graphics, monitoring the varying depletion rates between primary text text supplies and your primary colour blocks prevents administrative bottlenecks. Our 4.8 Google Star rating shows that our customers consistently receive high-quality cartridges backed by reliable performance.
Expected page output and replacement cycles
Epson defines expected page delivery under standard international testing parameters using the ISO/IEC 24711 metric for individual inkjet mechanisms. Real-world consumption ranges dynamically based on layout variables, meaning dense graphic summaries or wide-format paper handling will deplete your fluid reserves significantly faster than basic text lines.
| Cartridge Number | Type | Colour | Page Yield | Cost Per Page |
|---|---|---|---|---|
| 812 | Standard | Black | 350 | $0.089 |
| 812 | Standard | Cyan | 300 | $0.098 |
| 812 | Standard | Magenta | 300 | $0.098 |
| 812 | Standard | Yellow | 300 | $0.098 |
| 812XL | High Yield | Black | 1,100 | $0.046 |
| 812XL | High Yield | Cyan | 1,100 | $0.044 |
| 812XL | High Yield | Magenta | 1,100 | $0.044 |
| 812XL | High Yield | Yellow | 1,100 | $0.044 |
| 812XXL | Extra High Yield | Black | 2,200 | $0.032 |
Cost Per Page = Total Cartridge Price ÷ Page Yield (at 5% coverage). Prices based on Genuine cartridges.
Genuine vs compatible cartridges
Investing in high-capacity alternative supplies allows active workplaces to handle demanding projects without facing extreme printing costs. These formulations match original properties to prevent nozzle clogging across your printhead mechanism. Under Australian Consumer Law, using compatible cartridges does not void your printer warranty. You can read detailed consumer protection guidance on our ink warranty blog post.
Managing secondary maintenance printer
Beyond your primary consumable fluid tanks, a dedicated waste reservoir captures excess ink generated during necessary automated startup cycles and printhead cleaning procedures. Experience Tip: Keeping a replacement maintenance assembly on hand prevents the automatic lockdown that occurs when the internal pad collection counter fills completely.
Stocking advice for business print environments
If your business primarily prints standard monochrome text, moving directly to high-capacity 812XXL black cartridges offers the best strategy to maintain office uptime. For workplaces regularly outputting promotional materials or multi-page documents, selecting grouped bundle sets lowers individual supply overheads while guaranteeing that an unexpected colour drop won't halt daily workflows. Compatible options provide substantial overhead savings and carry a comprehensive money-back guarantee for absolute operational security. You can review full terms on our Returns policy page. Free delivery applies on all orders over $99 (conditions apply), with all supplies dispatched directly from centralised national dispatch centers located in Perth, Brisbane, Sydney, Melbourne, and Adelaide. Order your required Epson ink cartridges today.
Pro Tip
When your operational panel notes that a specific tank has reached exhaustion, replace the individual supply item promptly, as leaving an empty cartridge seated within the printing carrier can cause residual moisture to dry inside the printhead gate, triggering persistent line banding.
Frequently Asked Questions
Can I use an 812XXL black cartridge alongside standard 812 colour cartridges?
Yes, the printer supports mixed cartridge combinations across its independent receiver slots. Office operators routinely combine the extra-large 812XXL black option with standard 812 or high-yield 812XL colour cartridges to match heavy text demands with lighter graphic use.
Why does the system show ink depletion when I have only printed black text pages?
The printer uses small quantities of all colour fluids during automatic nozzle cleanings to prevent structural blockages. Additionally, the printer may activate a blending process that utilises composite colour ink to improve text crispness and density depending on the chosen paper settings.
Are 812XL and 812XXL cartridges larger physically than standard size alternatives?
No, all variants share identical external dimensions to ensure precise matching with the printer carriage slots. The physical high-yield cartridge alternatives simply contain a larger volume of fluid inside their internal reservoirs, resulting in a heavier weight out of the packaging.
