epson stylus 740 problems

to whoever reads this i have two epson stylus color 740 printers that both wont print. one pulls the paper too much on the right side and on the left side it doesnt pull at all and then it stops alltogether. on the other one it wont communicate with the comp and wont print and shows the out of paper message. and it make a grinding sound whemever it is turned on please help a.s.a.p

if you can help i thank you very much!!!