Photoconductor Units (Pcu) - Toshiba e-STUDIO4500c Service Manual

PHOTOCONDUCTOR UNITS (PCU)

6.8 PHOTOCONDUCTOR UNITS (PCU)
6.8.1 OVERVIEW OF TANDEM PCU
3
2
Y
10
1. Laser Unit
2. Development Unit (Y)
3. Drum (Y)
4. Development Unit (C)
5. Drum (C)
Four PCUs
each color. The image that is developed on the drum transfers to the ITB (10). All
four colors transfer during the same rotation of the ITB. Then the color images
transfer to the paper. The color images are transferred from the PCUs to the ITB in
the order Y, C, M, K.
Each PCU contains identical components. The only difference is that the K PCU
has a temperature sensor that is used to correct process control parameters
(charge roller voltage, for example).
6
5
4
C
(Y, C, M, K) are arranged in tandem. There is one PCU for
7
8
M
6. Development Unit (M)
7. Drum (M)
8. Development Unit (K)
9. Drum (K)
10. ITB
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August, 2006
1
9
K
B132D001.WMF