Canon ir 3245 fixing assembly screw pressure timing changed..

[ss.xerox.print]

Unknowingly i hav adjusted the fixing assembly red marked screw .. i think the pressure timing is changed .. and it is full of jamming ..
for every 5th copy jamming occurs..
help me to solve ths issue..
what should i do now..?
p20616484_1232222156923719_582362537_o.jpg20623038_1232222166923718_1506674568_o.jpg20629081_1232222196923715_1486022281_o.jpgcheck the pics

[copier tech]

Look in the service manual for "NIP" adjustment.