If the neg in question is an exception and you can normally print highlights without burning-in or at least get something on the paper then that's fine. However if highlights are always a big problem then it might be worth looking at your development times. Unprintable highlights at exposures that print lower zones OK suggests over-development.

Try progressively reducing development times for your films by say 10% if development times are less than 10 mins and maybe 15% if times are much over 10 mins to see if this makes a difference. Then if it's not enough and it may not be enough reduce by another 10%

Worth a try. A 10% reduction should show some difference and isn't going to result in a disaster of thin negs

pentaxuser