Solved
During a paper jam removal, at the place of my employement, another employee accidentally pulled off a bar on the back of the printer. This bar is inside the back pannel after pulling down the piece with the green tabs. I have successfully replace the bar, wich connects to a spring, onto a rod near the bottom. Without the bar in place there is no paper jam, but with it back, the printer detects a paper jam. I'm pretty sure I've got it hooked up in the right area.
My only guess at what is causing this is that the spring needs to be under tention pulling this bar to the top instead of drooping down towords the bottom of the maching. Can anyone confirm this for me. I have been unable to find any information to fix this, and without this printer, well, I won't be payed on time. (It's the pay roll printer.)
Any help or suggestions to fix this would be appreciated as my boss has asked me to get it working by tomorrow.
*I have solved the problem. My theory proved true and the spring needed to be under tension. I used a piece of sewing string tied to the spring and wrapped around the rod. I then fitted the bar to the rod and used the string to pull the spring around placing it under tention. It was a joyous moment when it actually printed, and means pay day won't be late. 
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