Edward 0 Posted October 5, 2020 After installing firmware c5790 v4 I encountered read failed -1 when activating online Quote Share this post Link to post Share on other sites
Admin 6 Posted October 6, 2020 Good afternoon! Please try this new file for you. https://inkchip.net/download/INKCHIP.net_Firmware_99_WF5790_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! Quote Share this post Link to post Share on other sites
GhostMaster 0 Posted December 13, 2020 After doing that? proceed now to activation? Quote Share this post Link to post Share on other sites
Admin 6 Posted December 16, 2020 Yes, everything else according to the instructions! Quote Share this post Link to post Share on other sites
