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Figure 2-13. Major Ink Sequence Position on the Carriage Mechanism

2.1.1.4.1 Pump, Carriage Lock, Head Cleaner Mechanism

In the EPSON Stylus Photo, there is no button or mechanism to change over the pump/paper feed mechanism. Therefore, whenever the paper feed/pump motor rotate, the pump drive roller in the pump unit inside rotates. However, ink absorbing/non ink absorbing are separated by the roller rotational directions. Also, even if the pump drive roller(pump motor) rotates toward ink absorbing and the carriage is in the false absorbing position, only driving in the pump mechanism is performed and actual ink absorption is not done. The figure below shows process of conveying motive power to the pump drive roller.

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