44015503TH Rev. 1
22 /
Oki Data CONFIDENTIAL
2. DESCRIPTION OF OPERATION
Registration roller U
(stop)
Paper
Paper
Registration motor
(clockwise)
Registration motor
(counterclockwise)
WR sensor
WR sensor
Solenoid lever
(solenoid: OFF)
Solenoid lever
(solenoid: OFF)
Hopping gear Assy
Hopping gear Assy
IN2 sensor
IN2 sensor
Registration roller U
(drive)
(2) Paper fed from MPT
1. As illustrated in Figure 2-3, when the solenoid is OFF, the registration motor
rotates (clockwise), transporting the paper until the IN2 sensor comes ON. (As
the registration motor rotates clockwise, the MPT paper feed roller is driven.)
2
. After causing the IN2 sensor to come ON, the paper is further carried over a
certain distance to finally hit the registration roller U. (This corrects skew of the
paper.)
3
. As shown in Figure 2-4, the registration motor rotates (counterclockwise) to let
the registration roller U transport the paper. (As the registration motor rotates
counterclockwise, the registration roller U is driven.)
Figure 2-3
Figure 2-4
(
3) Transport belt
1. As the transport belt motor rotates in the direction of the arrow, the transport
belt is driven. The belt unit consists of one transport roller placed immediately
underneath each color drum, with a transport belt inserted in between them.
A
s the specified voltage is applied, the transport belt and the transport rollers
carry the paper on the transport belt to the fuser unit as transferring the toner
images present on each color drum to the paper.
Transport belt
Transport roller
Transport belt roller
Drum
K Y M C
Figure 2-5
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