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3.9
Printer Test
To execute the Printer Test, select 6 from the DIAGNOSTIC TEST MENU, press Enter and
follow the directions displayed on the screen. The Printer Test contains three subtests that
test the output of the printer connected to the computer.
NOTE: An IBM compatible printer must be connected to the system to execute this
test.
The following message will appear when the printer test is selected:
channel#1 = XXXXh
channel#2 = XXXXh
channel#3 = XXXXh
Select the channel number (1-3) ?
The printer I/O port address is specified by the XXXXh number. The computer supports
three printer channels. Select the printer channel number, and press Enter to execute the
selected subtest.
Subtest 01
Ripple Pattern
This subtest prints characters for codes 20h through 7Eh line-by-line while
shifting one character to the left at the beginning of each new line.
Subtest 02
Function
This subtest is for IBM compatible printers, and tests the following functions:
Normal print
Double-width print
Compressed print
Emphasized print
Double-strike print
All characters print
3-20
430 Series
- Quick Links:
- System Unit Block Diagram
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