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IMAGE CREATION PROCESS CF5001 Ver.1.0 Sep. 2003
1-22
I OUTLINE
6. IMAGE CREATION PROCESS
6.1 Image creation flow and function
Step Process Function
Step 1 Charging process Forms the layer of charges on the photosensitive drum.
Step 2 Laser exposure process Form an electrostatic latent image on the photosensitive drum.
Step 3 Developing process Makes an electrostatic latent image visible.
Step 4 1st transfer process Forms an image by synthesizing on the transfer belt a mono-
chrome (YMCK) visible image from each photosensitive drum.
Step 5 2nd transfer process Transfers an image on the transfer belt to paper.
Step 6 Separation process Separates paper from the transfer belt after completion of the
transfer of the toner.
Sub step 1 Drum cleaning Removes toner adhered on the surface of the photosensitive
drum after completion of the primary transfer.
Sub step 2 Pre-charging exposure Removes residual potential on the surface against the photosen-
sitive drum after completion of drum cleaning.
Sub step 3 Transfer belt cleaning Removes toner adhered on the surface of the transfer belt after
completion of the 2nd transfer.
Sub step 4 2nd transfer roller /L
cleaning
Remove toner adhered on the 2nd transfer roller /L after comple-
tion of the 2nd transfer.
Sub step 5 Toner collection Collects toner that has been removed through the drum cleaning
and the transfer belt cleaning. (Not shown in the drawing below.)
[1] Developing unit [7] Separation neutralizing section
[2] Write unit [8] 2nd transfer roller /U
[3] Charging corona [9] Transfer belt
[4] Pre-charging exposure lamp (PCL) [10] Blade (drum cleaning)
[5] Paper [11] Blade (transfer belt cleaning)
[6] 2nd transfer roller /L [12] Drum
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[1]
[12]
[11]
[10]
[9]
[8]
[7]
[6]
[5]
Sub step 3
Sub step 1
Sub step 2
Step 5 / Sub step 4
Step 4
Step 3
Step 1
Step 2
Step 6
[2]
[3][4]