Ricoh FT8680 Service Manual page 311

IMAGE FUSING
9.2 HOT ROLLER AND PRESSURE ROLLER REPLACEMENT
[B]
[A]
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1. Remove the fusing unit.
2. Remove the top fusing cover stoppers [A] (front and rear: 1 screw each)
and unhook the front and rear springs.
3. Turn the top fusing cover [B] 1/4 of a turn counterclockwise and lift it up.
4. Remove the upper fusing entrance guide [C] (4 screws).
5. Remove the fusing lamp brackets [D] (front and rear: 2 screws each) and
fusing lamp [E].
6. Release the fusing pressure and remove the following parts:
a) Fusing drive gear [F] (1 C-ring and 1 parallel key).
b) Bushings [G] and bearings [H] (1 C-ring each).
NOTE: For the next step, take care not to damage the thermistor.
7. Remove the hot roller [I] as shown.
NOTE: When reassembling the fusing lamp, make sure that the blue
wire [J] of the lamp is at the front side and that identically colored
connectors are connected.
[A]
[D]
[F]
[G]
[H]
[C]
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31 July 1995
[E]
[J]
[H]
[I]
[G]
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[D]