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It is not printer head caused this issue that I can confirm. Because I installed another main board and same printer head without any problem.

Any progress?

Zip file attached. Sorry for the inconvenience.

Btw the motherboard uses a Winbond RAM chip. I borrowed a motherboard from my neighbor and noticed the same model motherboard used a different RAM chip. I used CH341A programmer to read the SPI chip and wrote to the corrupted chip of mine, then I soldered back to my motherboard still failed to...

Sorry for the inconvenience. I will upload zip format file or binary bin file if possible tomorrow.

Hello guys. I have a Canon IX6780 printer works good until a few days ago. Code 1700 appears and I used reset software to clear the wastepad count but I forgot to place a paper to print after the waste pad count resetting process. In stead I just pressed the power button to power off the...