Service manual

EPSON EPL-5800 Revision B
Operating Principles Operating Principles of Mechanism 52
2.1.5 Development Process
2.1.5.1 Overview
Putting toner on the static latent image on the OPC drum makes the toner image.
Figure 2-8. Developing Mechanism
Figure 2-9. Bias Terminals
1
2
6
43
5
7
8
4121s031
4121s032
Toner Cartridge
4110s034
9 10 11
6
4
3
8
7
Table 2-2. Parts of Developing Mechanism
No. Name Function
1 Toner hopper Toner is in.
2 Toner agitation wing Agitates the toner hopper inside and sends toner to the
toner sending roller.
3 Toner sending roller Transfers toner to the sleeve roller.
4 Sleeve roller Rotates the resin sleeve.
5 Resin sleeve Transfers toner to the surface of the OPC drum surface.
6 Photoconductor
(OPC drum)
Creates the latent image on the surface by the laser beam.
Develops the image by the resin sleeve and carries the
developed image to the paper surface.
Gives toner a negative charge by letting toner through
between the toner blade and the resin sleeve.
7 Toner blade Puts toner thin and even on the resin sleeve.
8 Bias seal Collect toner which did not stick to the OPC drum
0992s24
10
11
9