Packaging content: 4 empty ink cartridges+4 empty ink cartridges with 4 color markings and 4 ink injection tools, no chips
Compatible with multiple printers: Compatible with WF-C5390 WF-C5890 WF-C5810 WF-C5310 and other models. Please confirm your printer model before purchasing.
Transparent shell, clear and visible remaining ink: The ink cartridge adopts a transparent design, making it easy to observe the remaining ink level, more accurate ink injection, and avoiding waste.
Simple troubleshooting: If the printer prompts "Non genuine ink", select "Yes" to continue using. If it displays' Ink cartridge empty ', simply replace the chip and refill the ink. Can't print ink? Shake the ink cartridge 4-5 times, reinstall and ensure it is installed properly.
Usage precautions: It is recommended to reserve 10% space when injecting ink to prevent overflow. When using a new printer for the first time, it is necessary to initialize it with the original ink cartridge. Do not upgrade the printer firmware to avoid affecting ink cartridge recognition.