Sharp SF-1120 - Manual (Page 53)

3-4. Upper separation pawl replacement
1 Remove the fusing unit, and remove the cover.
2 Put the fusing unit so that the paper guide is on the lower side of
the fusing unit (the separation pawl is on the upper side).
3 Remove the tension spring, hold the separation pawl tip and
remove it from the supporting section, and remove it from the unit
by tilting.
For assembly, reverse the disassembly procedures.
3-5. Lower heat roller replacement
1 Remove the fusing unit.
2 With the lower separation pawl upright, slide it to the rear frame
side and keep the lower separation pawl upright.
3 Remove the lower heat roller together with the bearing.
For assembly, reverse the disassembly procedures.
(Note for assembly)
Assemble so that the lower separation pawl is on the upper side of
the lower heat roller. (At that time, return the separation pawl which
was set upright in procedure (2).)
3-6. Lower separation pawl replacement
1 Remove the fusing unit.
2 Remove the lower heat roller.
3 Remove three screws and remove the lower separation pawl unit.
5 Remove the tension spring, hold the separation pawl tip to remove
it from the supporting section, and remove it by tilting.
6 – 6