Frigidaire FMV157GM Microwave Oven "cardboard" Questions

Just purchased and installed. Waveguide cover is cardboard with a waxie coating. Manual says DO NOT REMOVE. Is this really the cover or is the real cover underneath the cardboard one? Just wondering. ...

...bowl size, using a old Cornflakes packet is useful, cut the hole and behind the bowl part of the cardboard test piece cut to the edge in a straight line. The cardboard will now open (a bit like a ...

What is the cardboard cover inside my microwave for? What is the cardboard cover covering the inside wall vent for, inside my small Diplomat microwave? Am I supposed to remove it prior to using the ...

My built-in microwave, 2001 build UMC5100ADW emits sparks from behind cardboard panel. Suspect magnatron, or maybe metal deposits in cardboard. Looking for a replacement to fit the frame ...

I need the little cardboard piece that hangs on the top of the microwave for my Emerson. Where can I get this that fits there? Take a piece of cardboard and cut one out. You probably won't be able to ...

The piece of cardboard fell off from inside our sharp carousel microwave. We easily put it back on. And it is staying in place. Is the microwave safe to use? Not sure why a microwave would have a ...

burnt cardboard piece inside oven On the inside on the right side wall(when facing the open oven) there is a piece of cardboard held by two small screws. That has a large burn in it. Need replacement ...

There is a piece of cardboard inside covering a metal panel, do I need to remove it? I didn't even know it was there until I was cleaning it and it fell off --- Aspen Lawry Interior of microwave ovens

...Sanyo Super Showerwave microwave began shooting sparks when turned on. There is a round semi shinny cardboard peice covering a small "gun barrel" like object inside my microwave. The "cardboard like" ...

...(suggested by repair person), but only lasted 1 week. The clip is 1 of 4/ that hold a circular cardboard (like) disc on inside/roof. If you changed the waveguide cover (that circular cardboard ...