Refillable cartridges for Epson Workforce Pro WP-4020 WF-4530 WF-4540 WF-4590

please Note: 

• Mixing two different brands of ink or cartridges with our refillable cartridges is not recommended  
• We can not cover the new update Firmware for the chip-set. Please never Update your Firmware

"A" Reset point

"B" You can NOT reset the cartridge, you have to wait until the printer has given a message saying "cartridge is empty" 
(never try to reset the cartridge(s) at this point)