Oki ML520 User Manual

Page: 59
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 ML520 Specifications

General

Printer Type	Dot Matrix Printer
Emulation	Epson FX, IBM ProPrinter
Resolution	240 x 216 dpi
Noise Level	55 dB
Interface	Parallel, Serial
Paper Size	Letter, Legal, A4, Custom
Number of Pins	9-pin