Ricoh FW780 Service Manual - Page 163
Pressure roller replacement, and pressure roller thermistor [B] when removing
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5.3 PRESSURE ROLLER REPLACEMENT [H] [D] [G] Rev. 5/95 [C] [E] [B] [F] [A] [I] [I] [J] CAUTION: 1) Do not touch the hot roller or pressure roller while they are hot. 2) Be careful not to damage the hot roller thermistor [A] and pressure roller thermistor [B] when removing and reinstalling the pressure roller. 1. Remove the hot roller. 2. Push the projection [C] of the fusing entrance guide stopper and remove the fusing entrance guide [D]. 3. Remove the pressure roller stripper unit [E] (4 screws). 4. Lift up the pressure roller (access the pressure roller from the cut [F] of the frame), slide out the pressure roller shaft [G] to the left, then remove the pressure roller [H]. 5. Replace the pressure roller (2 stoppers [I] and 1 shaft [J]). NOTE: When reinstalling pressure roller, set the right pressure roller stopper and push the pressure roller shaft to the right from the left, and set the left pressure roller stopper [ ]. SM 5-29 A163