We recommend using the tape as it prevents the hotend form leaking at the heater block, even tightening whilst hot can cause a leak over time as the hotend vibrates/heats up/cools down.
It's optional though, you may be able to get away with the 'tightening whilst hot method'.
We recommend using the tape as it prevents the hotend form leaking at the heater block, even tightening whilst hot can cause a leak over time as the hotend vibrates/heats up/cools down.
It's optional though, you may be able to get away with the 'tightening whilst hot method'.