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2 toner flow, Toner flow -31 – Konica Minolta 5430 DL 5440 DL 5450 User Manual

Page 68

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Main Unit Theory of Operation

Toner Cartridge / Developing Unit

2-31

II Comp

osition

/O

p

eration

7.2.2

Toner flow

1.

Toner stored in the Hopper is agitated by the Agitating Blade and conveyed onto the
front side of the Hopper by the Conveyance Screw.

2.

The toner conveyed onto the front side of the Hopper is conveyed down to the Toner
Chamber through the Conveyance Pipe.

3.

The toner conveyed from the Hopper is conveyed onto the Toner Chamber by the
Replenishing Screw.

4.

The toner level detection system provided on the front side of the Developing Unit (the
sensor is mounted on the machine side) detects, at this time, the level of toner still
available for use in the Toner Chamber.

5.

The toner conveyed to the Toner Chamber is agitated (charged) by the Replenishing
Screw and Agitating Screw.

6.

Toner conveyed onto the rear side of the Toner Chamber is fed to the Supply Roller.

7.

Toner fed to the Supply Roller is conveyed onto the Developing Roller.
At this time, the Regulator Blade/1st and /2nd regulate the height of toner on the sur-
face of the Developing Roller.

8.

Toner on the Developing Roller is fed to the electrostatic latent image formed on the
surface of the Photo Conductor.

9.

Toner left on the Developing Roller is neutralized and returned to the Supply Roller.

10. The toner on the surface of the Photo Conductor is transferred onto the Transfer Belt.
11. Toner left on the surface of the Photo Conductor is scraped off by the Cleaning Blade.
12. The toner scraped off by Cleaning Blade is conveyed to the Waste Toner Storage Tank

by the Toner Collecting Screw.

13. The toner conveyed by the Toner Collecting Screw is stored as waste toner in the

Waste Toner Storage Tank.

4138to2030c0

4138to2011c1

4138to2018c1

Y

M

C

K

Agitating Blade

Conveyance Screw

Conveyance Pipe

Replenishing
Screw

Toner
Collecting Screw

Waste Toner
Storage Tank.

Developing Roller

Supply Roller

Replenishing Screw

Agitating Screw

Photo Conductor

Transfer Belt

5430DL_5440DL_5450_TO_PDF.book 31 ページ 2005年4月12日 火曜日 午後4時49分