Just installed the factory enclosure kit and the printer now indicates that there is a malfunction with the printer head error codes: 0500-0300-0001-0002 and 0300-0200-0001-0001. I have reinstalled the TH board to be sure the connections are correct. Now, it appears that I may have to replace the TH and/or AP board. Noticed that if you replace the AP board you can only use the one for the S machine (enclosed) not for the P machine (not enclosed). Since I started out with a P machine is one of the problems that my AP board is not compatible with the new enclosure kit and fans? Just wondering…