Oki C911 Maintenance Manual page 22

Oki Data CONFIDENTIAL
(3) Intermediate transfer belt
1. When the intermediate transfer belt motor drives in the direction of the arrow,
the intermediate transfer belt is rotated. The intermediate transfer belt unit is
consisted of one first transfer roller arranged immediately underneath each color
drum, with the tranfer belt inserted in between them.
As the specified voltage is applied to the transfer belt and transfer roller, toner
image on the drums of each color is transferred on the intermediate transfer belt.
Spot color-Drum
Intermediate transfer belt
Belt drive roller
Fuser unit
45530603TH Rev.2
Y-Drum M-Drum C-Drum K-Dru m
First transfer roller
Timing roller
Intermediate transfer roller unit
(4) Intermediate transfer roller unit
1. The toner image transferred to the intermediate transfer belt is transferred on
paper by the second transfer roller unit. The second transfer roller position is
adjused by the second transfer roller shift structure from thickness of the paper
with the insert and ejection angle of the paper.
Intermediate transfer belt
Paper
2. DESCRIPTION OF OPERATION
Spot color-Drum Y-Drum M-Drum
Fuser unit
Second transfer roller unit
①
②
③
① Home position (release)
② Plain paper position
③ Thick paper position
C-Drum K-Dru m
Paper
2-7