Transfer (Drum To Paper) - Epson AcuLaser C2900N Service Manual

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Chapter 6 Principles of Operation

1.3.4 Transfer (Drum to Paper)

In the transfer process, toner image formed on the drum surface is transferred onto the surface of the

paper. The toner is transferred onto the paper in the order of Y, M, C, and K.

The BTR (Bias Transfer Roll) is a conductive roll, to which the positive voltage is applied from the

High Voltage Power Supply (HVPS). The BTR contacts the rear side of the Belt and applies the

positive voltage to the Belt.

The Belt is a conductive belt, to which the positive voltage is applied from the BTR. After the nega-

tively charged toner image on the drum surface is drawn by the positive charge on the belt, it is

transferred from the drum to the paper. The Belt feeds the paper to the direction of Fuser Unit.

Drum surface

Epson AcuLaser C2900N

Transfer Belt

: Negative electric charge

: Positive electric charge

Confidential

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