42615101TH Rev.8 34 /
Oki Data CONFIDENTIAL
(5) Fuser Unit and Paper Expeller
1. As indicated in Figure 2-8, a single pulse motor drives the fuser unit and expeller roller. The
heat drum turns when the fuser motor turns (CCW). This drum transfers the toner image
on the paper by high temperature and pressure.
2. At the same time, the expeller roller expels the paper.
Fuser Motor
(CCW)
Eject Roller
(Drive)
Heat Roller
(Drive)
Fuser Unit
Figure 2-8
Figure 2-9
(6) Operations when the Color Drift Sensor and Density Sensor Cover is Opened
1. As indicated in Figure 2-9, when the fuser motor rotates (CW), the cover open gear rotates
and then opens the cover of the color drift sensor and density sensor.
2. When the fuser motor turns in the reverse direction (CCW), the cover open gear bite no
longer meshes, and then the color drift sensor and the density sensor cover closes.
Fuser Motor
(CW)
Eject Roller
(Stop)
Heat Roller
(Stop)
Cover Open Gear