I've spent a lot of time in Blender lately to make my own props, many
many many many trials and errors, hence the "lot of time".
So I wanted to showcase some of them but, i.e., a coffee machine alone is not that interesting so I thought that maybe Layla could be of help.
Most of the props (except the big cup, its plate and spoon) in this pic come from these tests.
"So, you want a coffee or..."
View attachment 2567152
This issue is linked to the way metallicity and reflection work in Daz I guess.
You could try to set Glossy Weight to 1.0 and Glossy roughness between 0.1 to 0.3 and that should do the trick. Keep the metallicity to 1.
If it doesn't work maybe you also could replace the spotlights by ghost ones.
Hope this will help.