OKI ML321
Manual de Servicio

TABLE OF CONTENTS

1.

CONFIGURATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1.1 1.2 1.3 1.3.1 1.3.2 1.3.3 1.3.4 1.3.5 1.3.6 1.3.7 Standard Printer Configuration Options ........................................... ................................................................. ........................................................... ....................................................... ...................................................... .................................................... ...................................................... .................................................

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1-l l-2 1-4 l-4 l-5 1-6 l-6 1-7 l-7 l-7 2-1 2-1 2-1 2-2 2-3 2-4 2-4 2-6 2-7 2-8 2-9

Specifications

Printspecifications Paperspecifications

Physical specifications Powerrequirements

Environmental conditions Noise(UTL)

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Agencyapprovals

2.

INSTALLATION PROCEDURE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2.1 2.1.1� 2.1.2 2.1.3 2.2 2.2.1 2.2.2 2.2.3 2.2.4 2.2.5 2.2.6 2.2.7 Unpacking .............................................................. ................................................ ................................................ ................................................ Unpacking the packing box Unpacking the printer unit Unpacking the accessories installation

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Precautionforinstallation ................................................ .... Removing the shipping retainer ........................................... Installing the accessories Connectingcables ........... : ......................................

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lnstallingprinterpaper Turning on the printer

................................................... 2-l 0 ................................................ 2-l 1 3-1

Rolling ASCII test pattern

3.

OPERATION
3.1 3.1.1 3.1.2 3.1.3 3.1.4 3.1.5 3.1.6 3.1.7 General

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Electrical Operation

...................................................... 3-l 3-l 3-2 3-5 3-5

Microprocessor and peripheral circuits

Initialization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Interfacecontrol .........................................................

Printhead drive circuit Spacing o.peration Line feed operation

.................................................... 3-6

....................................................... 3-7 ...................................................... 3-9

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