Problem solved. My problem was that I fixed 3rd ink & installed the activation code.
After fixed the original ink back to the machine and run with activation code. Then received installation successful. Then off the printer & fixed 3rd party ink and ON the machine. Thank you.
On 9/11/2020 at 2:21 AM, Admin said:
Solution:
Step 1
Download and extract Zip archive with WF-C5790 Firmware:
Step 2
Delete all USB printers installed on your PC except that You want to make chipless. Reboot PC, restart printer.
Step 3
Connect printer to PC (with Windows OS) by proper USB cable.
Disable all Epson processes and services.
Step 4
Upload Firmware to printer in the NORMAL MODE (do NOT use service mode yet just start the printer with the power button).
Step 5
When Firmware Update process is complete - printer will restart - usually it will take only a few minutes but can continue for 10-20 minutes in some rare cases.
If process hangs - replug power cable and start printer manually.
Step 6
Now check current firmware version.
If NO - restart the printer and try once more time.
Step 7
Extract all files from License.zip archive to local folder on Your PC. Run activation.exe utility and click on Activate Online button and input Your Activation Key.
Activation code write failed 3
in Error with activation program and technical issues with the printer
Posted
Hi Admin,
Problem solved. My problem was that I fixed 3rd ink & installed the activation code.
After fixed the original ink back to the machine and run with activation code. Then received installation successful. Then off the printer & fixed 3rd party ink and ON the machine. Thank you.