Toshiba e-STUDIO556 - Copy Process

3
© 2012 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO556/656/756/856(Ver03)
OUTLINE OF THE MACHINE
3 - 37
3.4 COPY PROCESS
3.4.1 General Description
Fig. 3-27
(1) Charging:
Negatively charges the surface of the photoconductive drum.
(2) Original exposure:
Converts images on the original into optical signals.
(3) Scanning:
Converts image optical signals into electrical signals.
(4) Writing:
Converts image electrical signals into optical signals (laser emission) and exposes them to the
surface of the photoconductive drum.
(5) Development:
Makes the negatively-charged toner adhere to the photoconductive drum and forms a visible
image.
(6) Transfer:
Transfers the visible image on the photoconductive drum onto paper.
Separation:
Separates the paper from the drum together with the toner.
(7) Fusing:
Fuses the toner onto the paper by applying heat and pressure.
(8) Brush cleaning:
Cleans dirt and paper dust on the drum.
(9) Blade cleaning:
Forcibly removes the residual toner on the drum.
(10)Discharging:
Discharges any remaining negative charge on the drum.
Scanning
CCD
(
3
)
Original exposure
Xenon lamp
(
2
)
Image processing
Bypass feeding
Discharge
LED array
(
10
)
Drawer feeding
LCF feeding
FusingDischarging
Fuser roller
(
4
)
Writing
Semiconductive laser
(
9
)
(
1
)
Charging
(
grid voltage
)
(
5
)
(
6
)
(
7
)
Development
Magnetic roller
Transfer/Separation
Cleaning brush + Blade
Blade cleaning
(
8
)
Brush cleaning
Toner
Carrier