d-Color MF4003/MF3303
P THEORY OF OPERATION > 1. d-Color MF4003/MF3303
P-57
[1] Reverse roller [2] Paper exit roller
(c)<Duplex printing>
1. The switchback guide turns to the OPEN mode and the paper is transported to the direction of the reverse roller.
2. The reverse roller rotates forward.
3. The switchback guide becomes CLOSE mode after the back end of the paper passes through the reverse roller, and the reverse roller
starts rotating backward to send the paper to the duplex unit direction.
[1] Reverse roller -
(2)Exit paper cooling mechanism
(a)Paper exit/reverse section cooling
• The machine cooling fan motor cools the paper after fusing.
• The machine cooling fan motor blows air around the paper exit section to cool the paper after the fusing process.
[1] Fusing section [2] Machine cooling fan motor (FM2)
1.16IMAGE STABILIZATION CONTROL
1.16.1Overview
• The machine provides the following image stabilization control to ensure stabilized print image.
Purpose Control Control means
To stabilize image density
To stabilize gradation
• IDC sensor adjustment control
• Max. density adjustment control
• LD intensity adjustment control
• Registration control (color shift correction) *
• Gamma correction control
• IDC sensor
• Temperature/humidity sensor
• PH temperature sensor
To stabilize toner density TCR control (Y,M,C,K) * TCR sensor
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