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Service Guide ML520/521

Chapter 2 Principles of Operation

Continuous Paper Feed (Bottom Tractor Feed Mechanism)

As the platen rotates, power is transferred to the drive gear from the platen gear, the idle gear and the tractor change gear. The drive gear turns the pin tractor belts on the bottom tractor feed unit, which feeds the continuous paper.

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Oki ML521 manual Service Guide ML520/521