FlexAura 812XL Ink Empty Refillable Ink Cartridges with Chip Suitable 812XL Workforce Pro WF-7840 WF-7820 WF-7310 EC-C7000 Empty Cartridge Printers Used for Regular Or Sublimation Ink Cartridges

Brand: FlexAura

Color: Black Cyan Magenta Yellow

Features:

• Complete Set: Includes 4 empty ink cartridges marked with corresponding colors and 4 ink injectors for easy refilling. Disposable chips pre-installed for convenient use.
• Wide Compatibility: Compatible with Epson WF-7840, WF-7820, WF-7310, and EC-C7000 printers. Ensure the correct printer and ink cartridge type before purchasing.
• Transparent Design for Easy Refill: White transparent shell allows clear observation of ink levels. Includes an ink replenishment tool for easy ink refilling.
• Troubleshooting Tips: If the printer shows non-genuine ink, select "Yes" to proceed. For printing issues like air pockets, shake the cartridge 4-5 times and reinstall.
• Important Usage Tips: Do not upgrade printer firmware online; disable automatic updates. For best results, keep ink fill to 90% capacity and unplug ventilation hole rubber plug during use. If using a brand-new printer, initialize with original cartridges first.
• Suggestion: Empty ink cartridges can only contain 90% ink, so as to prevent the ink from overflowing and polluting the printer during use. And be sure to unplug the rubber plug of the ventilation hole during use.If your printer is brand new and you have not used the original ink cartridge, please first install the original ink cartridge and initialize the printer so that your new printer can recognize and use our ink cartridge. If you have any questions about this product, please feel free to contact us.

Part Number: 812XL-01

model number: XL812PCS4