I just found a workaround for my case (Brother HL-5370DW) The original issue happens to me when i used the default driver: "Brother HL-5370DW BR-Script3" Once i switched to: "Brother HL-5370DW Foomatic/Postscript" I can now print from Firefox.
I just found a workaround for my case (Brother HL-5370DW) Postscript"
The original issue happens to me when i used the default driver:
"Brother HL-5370DW BR-Script3"
Once i switched to:
"Brother HL-5370DW Foomatic/
I can now print from Firefox.