Read Sharp AR-810 (serv.man24) Service Manual online
AR-651/810 COPY PROCESS 3 - 8
(7) Fusing
Fusing is a process of melting and fixing the toner
on the paper.
Method : The melting point of the toner (main
ingredient: resin) is 100~110°C.
훹
(Heat)
The toner is melted by the heat of the
surface of the fuser roller.
+
(Pressure) The pressure roller is pressed against
the fuser roller by the springs to increase
adherence of the melted toner to the
paper.
훹
Heat and pressure are applied to the
paper when it passes between the fuser
roller and pressure roller.
||
(Fusing)
The toner is fixed on the paper.
Fuser roller
Paper
Pressure
Heat
IH coil
Fuser roller
Paper movement
Pressure
Separation finger
Pressure roller
(8) Cleaning
Cleaning is a process of recovering any residual toner
on the photoconductive drum.
1. The cleaning brush scrapes off any toner
and paper wastes. The flicker scrapes off any
toner on the brush.
Also, too prevent the cleaning blade from
scratching the surface of the drum to make a
circumferential streak, the varistor is attached
between the brush and earth.
2. Cleaning blade scrapes off any residual toner
from the drum.
3. The recovery blade picks up any falling toner.
Cleaning blade
Flicker
Recovery blade
Cleaning brush
Drum rotation
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