d-Color MF4003/MF3303
C PRODUCT OUTLINE > 2. OVERALL COMPOSITION
C-15
[5] Laser exposure Expose photoconductor to a laser beam to develop electrostatic latent image.
[6] Developing The toner, agitated and negatively charged in the developer mixing chamber, is attracted onto the
electrostatic latent image formed on the surface of the photoconductor. It is thereby changed to a
visible, developed image.
[7] 1st transfer A DC positive voltage is applied to the backside of the transfer belt, thereby allowing the visible,
developed image on the surface of each of the photoconductors (Y, M, C, and K) to be transferred
onto the transfer belt.
[8] 2nd transfer A DC positive voltage is applied to the backside of the paper, thereby allowing the visible,
developed image on the surface of the transfer belt to be transferred onto the paper.
[9] Separation The paper, which has undergone the 2nd transfer process, is neutralized so that it can be properly
separated from the transfer belt by the paper separator claws.
[10] Transfer belt cleaning Residual toner on the surface of the transfer belt is collected for cleaning by cleaning blade.
[11] Fusing The visible toner image transferred onto the surface of the paper is melted by the heat of the fusing
roller and fixed to the paper by pressure.
[12] Photoconductor cleaning The residual toner left on the surface of the photoconductor is scraped off.
2.6IMAGE FORMING CONTROL
Fusing motor (M3)
Polygon motor (M7)
Color motor (M2)
Charge bias DC (Y/M/C)
Developing bias DC (Y/M/C)
Main motor (M1)
Charge bias DC (K)
Developing bias DC (K)
Developing bias AC (K)
1nd transfer voltage output
2nd transfer voltage output
TOD
2.7Process speed
Paper Type/Mode
d-Color MF4003 d-Color MF3303
• Plain paper
• Plain paper+
• Recycled paper
243 mm/sec 200 mm/sec
• Thick 1
• Thick 1+
• Thick 2
121.5 mm/sec 100 mm/sec
• Special Paper*
• Gloss mode 1200 dpi
121.5 mm/sec 100 mm/sec
• *: Special paper (postcard, envelope, label, coated paper)
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