Printer Tests; Rolling Ascii Print Test; Font Sample Test; Serial Interface Loopback Test - OKIDATA ML320 Service Manual

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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Service Guide ML320/ML321
Chapter 4 Failure & Repair Analysis
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Page: 109