Epson ACULASER COLOR 1000, Service Manual

Page: 89 / 230

EPSON AcuLaser C2000 / AcuLaser C1000 Revision E
Operating Principles Printing Process 89
2.2.5 Transfer Process
Transfer is done twice: mid-transfer and paper transfer.
2.2.5.1 Mid-Transfer Belt Unit
Figure 2-19. Mid-Transfer Belt Unit
2.2.5.2 Mid-Transfer
Mid-transfer method is belt transfer method.
It transfers the toner image on the OPC drum which is made by the color
development process, to the transfer belt in the order of Yellow, Magenta,
Cyan, Black in piles.
Figure 2-20. Mid-Transfer
No. Name Explanation
1 Transfer Belt
Transfers each toner image on the OPC drum to the
surface of the belt in Y, M, C, K order in piles.
2 Electrode Roller
Transfers the toner image on the OPC drum to the
transfer belt.
3 Transfer Roller
Transfers the toner image to the transfer belt to
paper.
4
Transfer Belt Position
Sensor (PC12) Detects the image transferring start timing by the
timing of transfer belt moving.
5 Photoconductor Creates toner image
1 2
3
4
5 6 7
8
6 Eraser Lamp
Erases electricity on the OPC drum where toner is not
on before mid-transfer.
7 AIDC Sensor
Detects the drum cartridge with or without.
Measures the density of the AIDC mark which is
generated on the OPC drum by toner.
8 Cleaning Blade
Scratches off the waste toner remaining on the
transfer belt after paper transfer.
No. Name Explanation
Transfer Belt
OPC Drum
Electrode Roller
HV1
Mid-Transfer Bias