blaze spawner not working

[NourXoof]

so somewhy i have placed a blaze spawner (4x) and it isnt dropping a thing i afked for like 10 waiting for it to spawn blazes and it didnt any soloutions?

 

[Param4]

pls check the amount of spawn'er amount is it more than 100 then u need to upgrade it

 

[Param4]

if not 100 then make it dark were there are spawners so blaze will spawn