Ricoh A151, Field Service Manual

Page: 168 / 397

7.8 FUSING PRESSURE ADJUSTMENT
1. Turn off the main switch and unplug the power supply cord.
2. Open the front cover.
3. Open the upper unit by pushing the release lever.
4. Remove the fusing unit cover [A] (1 shoulder screw).
5. Remove the inner cover (5 screws).
6. Remove the front safety switch bracket [B] (1 screw).
7. Remove the upper and lower rear covers (2 screws each).
8. Remove the ac drive board bracket with the ac drive board (2 screws
and all ac harness connectors).
9. Remove the 2 relay gears [C] on the fusing unit (1E-ring each).
10. Adjust the fusing pressure spring position as follows:
Fusing pressure adjustment combinations
Spring position setting
a Factory setting
b Weaker
c Stronger
The fusing pressure can be set at three different levels. Adjust the pressure
spring position to a stronger setting if poor fusing occurs. If copies
subsequently get creased or jams occur in the fusing unit, spring.
c
b
a
[B]
[C]
[A]
A151/A152 5-72 FSM