"PAPERS COME OUT BLANK WHENEVER I TRY TO PHOTOCOPY"
Make sure the side with the printing is facing the glass.
"DISPLAYS A MESSAGE THAT THERE IS A PAPER JAM IN TRAY 1 WHILE THERE IS NO JAM"
It only takes a little speck of paper to cause that message. Carefully blow on the rollers to dislodge anything on them.
In public forums, please don't post in all caps. That's considered impolite.