WOW! Thank you, I think you sent me the right direction. I checked them all: The original board did have the correct 4.7K ohm resistors. The replacement boards both have resistors in the 2K Ohm range. Whew!, I will work on getting the right resistors installed over the next few days. I can't thank you guys enough, really! Thank you SO much I am so relieved... -Nickby nickcartesian - General
(Regular reprap (cartesian?) printer, homemade. Marlin firmware, heated bed. Sanguinololu board, ATMega 1284.) Hi, I built this printer in 2013 and at the time I understood a lot more than I remember, so please help. What happened: My printer stopped at the very end of a print. It didn't home at the end like it always does. When I investigated, I found the X axis would only move away from hby nickcartesian - General