Ricoh G188 Service Manual page 184

Fusing
11. Heating roller gear [A] (c-ring x 1)
12. Heating roller bearing [A] at the rear side
13. Heating roller [A]
The surface of the heating roller is fragile, so the heating roller must be
covered with a sheet of paper when it is placed on a table or floor.
G188/G189 4-70 SM