Oki C5500 Maintenance Manual page 29

(5) Fuser unit and paper output
1. As illustrated in Figure 2-8, the fuser unit and delivery roller are driven by the DC motor. As
the fuser motor rotates (Counterclockwise turn), the heat roller is turned. This roller fixes
a toner image by heat and pressure.
2. At the same time, the delivery roller rotates to output the paper.
(6) Cover-opening motion of color drift sensor and density sensor
1. As illustrated in Figure 2-9, when the fuser motor rotates (Clockwise turn), the cover-
opening gear rotates, causing the color drift sensor and density sensor cover to open.
2. As the fuser motor rotates in reverse (Counterclockwise turn), the engagement of the cover-
opening gear is freed, and the color drift sensor and density sensor cover now closes.
43085101TH Rev.1
Eject Roller
(Drive)
Figure 2-8
Eject Roller
(Stop)
Figure 2-9
Oki Data CONFIDENTIAL
Fuser Unit
Heat Roller
(Drive)
Fuser Motor
(CCW)
Heat Roller
(Stop)
Fuser Motor
(CW)
Cover Open Gear
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