Panasonic PV-V4540 VHS VCR "cassette tape door jammed" Questions

tape the cassette is the issue.If you open the door on the tape (little square button to release the door also look (happens if you use same tape a lot and fast scan with it) to see if the bottom edge

tape goes was pushed back and is stuck in place. Waswondering how to repair this problem? oN THIS VCR THERE IS 8SCREWS TO REMOVE THE COVER, REMOVE THE COVER CAREFULLY THEN PLUG THE CORD INTO THE WALL,

...tape was not fully inside the cassette, door remains open. Opened the lid, can not find/do not know how the swich looks like to replace it or clean it. Also, where to get/download for free service ...