John_Admin 388 Report post Posted December 19, 2019 If You get Reading failed error message - follow for solution: We have updated XP-340 firmware to MO99Z9 version Download this firmware - https://chiplesssolutions.com/download/chipless/XP340_FWG016TL_MJ07I3_MJ99Z9.zip Upload firmware to printer in normal mode - dont put printer in Program Update mode. 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 now in your printer! Share this post Link to post Share on other sites