Lexmark WinWriter 150c Service Manual - Page 27

Diagnostic Aids, Turn the machine off, move the two pin jumper on connector J13

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4077-001 Diagnostic Aids 3 Use these diagnostic test procedures to verify a repair. There are two ways to enter test procedures, each procedure will indicate which one to use: 1. Press the on/off button five times allowing one second between each press. 2. Turn the machine off, move the two pin jumper on connector J13, then turn the machine on. The test begins when the power button is pressed. Return the jumper to pins 2 and 3 after you complete testing. J13 Diagnostic Aids 18

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Diagnostic Aids
18
4077-001
Diagnostic Aids
3
Use these diagnostic test procedures to verify a repair. There are
two ways to enter test procedures, each procedure will indicate
which one to use:
1.
Press the on/off button five times allowing one second between
each press.
2.
Turn the machine off, move the two pin jumper on connector J13,
then turn the machine on. The test begins when the power but-
ton is pressed. Return the jumper to pins 2 and 3 after you com-
plete testing.
J13