Just fitted my micro swiss hotend today on Duplicator Plus with default wanhao block.
Followed youtube video in previous posts and micros swiss instructions, my hot end came with paste. I put paste on cold block between fan also and on threads and no issues in my prints. Has improved print quality.
One issue I am having is if I set my high temp to 260 it seems to struggle to get to 260 and then resets to zero stopping the print. Temps less than 260 seem to work fine.
Havnt run an auto PID tune yet, maybe that will solve the issue?