... maybe you can reduce the set current for the drivers, so they won't skip steps but stay cooler?
Some drivers supports reducing current while paused or have a special "sleep" mode, where the current is drastically lowered (but not complete off), and instantly rised with next step ...
Some drivers supports reducing current while paused or have a special "sleep" mode, where the current is drastically lowered (but not complete off), and instantly rised with next step ...