TonyU 0 Report post Posted July 9 I have tried 3x to install the chipless FW to our P800. It reached 95% before failing, then 14%. I have unplugged and restarted the printer but so far no success. The printer has an "unrecognized cartridge" error from a 3rd party cart that has gone dry. Can the firmware be installed in maintenance mode, and how can I access that? Any help is greatly appreciated! Share this post Link to post Share on other sites
John_Admin 390 Report post Posted July 10 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 or stops at 80-99% - replug power cable and start printer manually. please follow Steeply Follow Step by Step Guide to make Your printer chipless - Guide https://www.2manuals.com/product_info.php?products_id=1849 Share this post Link to post Share on other sites