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remove back panel of refrigerator. use hair dryer to melt ice in drain pan under evaporator. keep thawing drain and pouring hot water down it till water runs down and clears drain tube.
Mam/sir
does this line appear if you put the original on the big glass and make a copy? If not then when you use the document feeder you do not use the big glass, you use the small glass check the small glass for dirt etc. and clean it. DO you print to this machine are prints OK? then narrows the field down. IF the line appears using the big glass check the image unit or the fuser the hot part can open the right door open the hot part Wait to let it cool down check that neither fuser roller has a scratch or line on it. for the image unit try to print and stop the machine by open the right door to try to catch the paper before it goes thru the hot part does you line appear if so image unit is bad .
Try re-seating your upper and lower buffer board connectors. These boards run the length of the set on top and bottom. Since your line is from the top going down I would check that one. The connector will be close to where the line is showing up on the screen.
The deflection circuit is most likley bad. You need a service center to repair . If you can TEST THE BIG FAT TRANSISTORS AND CHANGE OUT IF BAD, THEN YOU CAN FIX IT. They are usually on a big metal finned heatsink ...
is there a filter on the water line? if so check and replace as neccesary-usually all water going into a fridge ice maker is filtered if it was installed properly for fresh tasting ice......if not there usually is a valve where the water line connects to one of your houses water line ....be careful with that but make sure it is all the way open......maybe try cleaning or replacing the lines if it comes down to it. let me know what happens.
Usually this means pixel, but I would question if the line is mostly near right side or left side of screen? If more to one side this could be a bad board inside. for more info ctechnicians.com
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