Olivetti d-Color MF4003 Service Manual page 627

d-Color MF4003/MF3303
• When the paper end passed through the registration sensor, turn off the duplex transport clutch and stop the duplex transport roller
1/2.
(2) Duplex circulation control
(a) 1 sheet operation
1. A sheet of paper is taken up and fed in and the image of the second page of the original is printed.
2. The switchback guide operates so as to transport the paper to the reverse section. Immediately before the paper leaves the paper exit
roller, the direction of rotation of the reverse roller is reversed and the paper is transported toward and into the duplex section.
3. While passing through the duplex section, the paper stops temporarily at the re-feeding position.
4. The paper is subject to skew correction at the registration roller section before being re-fed.
5. The image of the first page of the original is printed on the paper re-fed from the duplex section.
Y119930-3
P THEORY OF OPERATION > 1. d-Color MF4003/MF3303
P-53
Service Manual