Savin SDC103A Service Manual download pdf (Page 164)

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101

7.3 BELT TRANSFER

7.3.1 Transfer Belt Drive

The drum motor [A], which is a 24V dc brushless motor, drives the transfer

belt (through the drive roller [B]), as well as the drum. (The drum and belt

always turn at the same time.) The transfer belt always contacts the drum

and rotates in one direction. The transfer belt unit has a release lever at the

front to free the transfer belt from the drum. The transfer belt H.P. sensor

aligns each color image on the transfer belt by detecting the sensor patch on

the belt.

In OHP and thick paper mode, the drum motor changes to half speed while

the image is being transferred to the paper. This is because these types of

paper need more time in the fusing unit for the toner to be fused to the paper

properly. Also, the number of transfer belt rotations per copy depends on

color mode and copy paper size. (See the table below.) This will be

explained later in this section in more detail.

Color

Mode

Paper Size

Less than A4/Letter

Sideways

More than A4/Letter

Sideways

1C 1 1

2C (R, B) 2 3

2C (G) 3 4

4C 4 7

Unit: Number of rotations

NOTE: 1) The number of rotations in this table does not include the rotation

that is required to move the first color toner into position.

2) This table shows the rotation of the transfer belt in single-copy

mode.

[A]

[B]

Detailed

Section

Descriptions

TRANSFER BELT UNIT

SM 2-95 A166/A187/A189

CÓPIA NÃO CONTROLADA

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Savin SDC103A Service Manual Page 164

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