Savin SDC103A Service Manual download pdf (Page 96)

100

101

2.2.3 Drum Cleaning

This copier uses a counter blade system with a lubricant bar to clean the

drum.

1. Counter Blade

The cleaning blade [A] is angled against drum rotation by the pressure

spring. The counter blade system has the following advantages:

•

Less wearing of the cleaning blade edge

•

High cleaning efficiency

The cleaning pressure is continuously applied with a pressure spring. The

cleaning brush [B] spreads out the toner remaining on the drum, which

makes it easier for the cleaning blade to remove. The brush collects toner

from the drum surface and the toner remaining on the drum is scraped off by

the cleaning blade [A]. The toner falls onto the toner collection coil [C]. The

toner collection coil transports the toner to the used toner tank.

At the end of the copy job, the drum motor turns in reverse for about 7 mm

(0.06 s) to remove the accumulated toner at the edge of the cleaning blade.

The accumulated toner is then removed from the drum by the cleaning brush.

2. Lubricant Bar

The lubricant bar [D] applies lubricant to the drum via the cleaning brush.

The lubricant bar presses against the cleaning brush due to its own weight

and a spring’s pressure.

The lubricant bar system improves cleaning efficiency, resulting in improved

image sharpness.

[B]

[A]

[D]

[C]

Detailed

Section

Descriptions

DRUM UNIT

SM 2-27 A166/A187/A189

CÓPIA NÃO CONTROLADA

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Savin SDC103A Service Manual Page 96

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