Have Model: SM-79. Serial# 7951889.Operating OK. Rust buildup lower left corner outer cover with woman picture and STEAMBATH letters under her picture. How should I address matter?

Are you sure this is a model number? It looks more like a Serial number. Model should be on a tag with serial number. Usually starts with letters then about 4 numbers and more letters. Providing that would likely get you better assistance.

PROBABLY TIE INTO A GFI CIRCUIT SEEING IT IS IN A BATH AREA

The serial number is under the left side door behind the cover. Open the doors take out the two phillips head screws which go into the top of the lower cover, one on each end just inside the door hinge, the lower cover will remove to the front.

Hello there and thank you for choosing fixya
Ok normally the model number will be posted on one of the following
i have the diagram listed below for you ok this is for both gas and electric

if your printer only prints from the mp tray this is saying that it no longer recognizes tray one.
the first thing to check is the paper size fingers on the side of the tray. pull the paper tray all of the way out of the printer. there is a snap in plate on the left side of the tray. for letter size paper 2 fingers should be sticking out. if the fingers are present and not broken off. look into the opening that the tray was removed c
from on the left side half way back there will be 4 metal tabs make sure these are even and straight. if both of these are not damaged.remove the logic pack (metal cage behind the left side cover. loosen the 6 screws and remove the out cover. on the inside of this box remove the screw located upper right hand corner, remove the screw in the lower right corner, and the screw from the upper left corner. now one more screw on the back of this box lower left corner remove this screww then pull up on the box and set it aside. at this point you will see the main motor drive in the middle of this side dierictly under the motor you will see a small pcb that is attached with 2 screws ramove these and rfeplace this board it is the paper size select pcb and it needs replaced

Take your cell phone and put it on it's camera setting. Then go to your Starboard and take a picture of the lower left of your Starboard (on the corner--facing the floor). That is where you will find the serial number. Look at the picture--there it is-the serial number!

You may have to purchase a new hinge, make sure it come with screws and all. You may have been the unlucky person to receive faulty hardware from the manufacture.

With help of Yamaha tech staff, I inserted a business card under disk "lid" in bottom left corner, slid card to right to release catch. With catch released, pushed disc in to insure in OK, closed lid cover, then slide card from lower right corner to left to re-catch. Read disc OK.

Frost is due to outside air leaking into unit. Check on back wall to see if hole for ice maker fill tube is still plugged. If not and you have no ice maker cover hole with tape. Also look for water or ice build up in bottom of freezer or ref. sections. May have a plugged drain. Let me know what you find.