Lakia turner 0 Posted October 3, 2022 I have installed the firmware but when I try to complete to activation process and confirm the serial number to the printer I get an error message to please check. Numbers are exact and no success. Quote Share this post Link to post Share on other sites
Lakia turner 0 Posted October 3, 2022 I have an Epson WF-2850 Quote Share this post Link to post Share on other sites
Admin 17 Posted October 6, 2022 On 10/3/2022 at 9:15 PM, Lakia turner said: Hello, You have to insert the Chipless key in this field, without spaces before and after. Quote Share this post Link to post Share on other sites
