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I've tried multiple times using:

-USB connection

-Network Wifi connection

-Both type of connection

Please help!!!! Thank you

Oliver

274663419_Screenshot(191).thumb.png.f1e08bb42dadbd1d47cb9a60eb02ee65.pngI

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On 4/5/2022 at 3:06 PM, Olivero said:

I've tried multiple times using:

-USB connection

-Network Wifi connection

-Both type of connection

Please help!!!! Thank you

Oliver

274663419_Screenshot(191).thumb.png.f1e08bb42dadbd1d47cb9a60eb02ee65.pngI

Hello!

Please try this new file :

 

https://inkchip.net/download/INKCHIP.net_Firmware_99_WF3720_v1.rar

 

1) Upload firmware which I sent. 

2) Switch on in normal mode(!!!) just turn on button . - dont put printer in Program Update mode.

 (No need to press few buttons while turn on the printer) 

The uploading process will stuck at 70-80% - it is ok! Open task manager and stop updater process. Printer will blink for about 5-15 minutes - then will power OFF. 

Now power on the printer - chipless firmware is installed in your printer!

 

After that try to activate again.

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To extract a file you need to use any archiver. For example, WinRAR or other unzipping program.

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Hi I had to uplug the printer and had to re-update it. After activation and I try to print I get this message. Please help I've been working on this for three days

Screenshot (222).png

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Have problems with update. 

Quote

The uploading process will stuck at 70-80% - it is ok! Open task manager and stop updater process. Printer will blink for about 5-15 minutes - then will power OFF. 

The update doesn't stuck. It's going. current version on my printer is CL30J5 

Edited by Dimaka

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10 hours ago, Admin said:

Which error do you receive? Please send me a screenshot so I can help you. Thanks!

the same error at 99%. i tried lots of ways, I downgraded the firmware with epson original updater and its no use

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On 6/17/2022 at 9:13 PM, Dimaka said:

the same error at 99%. i tried lots of ways, I downgraded the firmware with epson original updater and its no use

Try the same procedure in the normal on the another device.

It might help you.

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