WF-7720 - Can different cartridges be used after chipless?

[Nguyễn Thiên Giang]

Question about Firmware Change for WF-7720 and WF-7721 Compatibility​

Background​

Just acquired a WF-7720 (using 27 cartridge) through grey import but at where I live only WF-7721 (using T188 cartridge) is available. Will be using genuine cartridge as I am really after the pigment ink.

Inquiry​

After making chipless is it possible to use the T188 cartridge directly? Or is it possible to flash the WF-7721 firmware?

Response​

Good day. Chipless firmware disables verification of the IC chips, you can use anything that can fit in the printhead.

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