Oki ML390 User Manual

Page: 104
Service Guide ML390/391
Chapter 4 Failure & Repair Analysis
4.9 PRINTER TESTS
4.9.01 General Information
There are three tests which can be run for the unit.
· Rolling ASCII Print Test
· Font Sample Test
· Serial Interface Loopback Test
The Rolling ASCII Print and Font Sample Tests are used to determine if the printer is operating properly.
The Serial Interface Loopback Test is used to test proper operation of the Serial Interface Board.
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Oki ML390 Specifications

General

Brand	Oki
Model	ML390
Category	Printer
Language	English