Lexmark 4059-XXX User Manual
Page 109
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Diagnostic Information
2-82
4059-XXX
3
Stepper Motor Level 1
Check the stepper motor connector
to ensure it is correctly installed at J4
on the output expander option board.
Go to
Board - Level 1 Stepper Motor” on
page 5-22
. If correct, disconnect J4
from the option board and check the
resistance of the stepper motor at
J4:
J4-1 to J4-2: Approximately 10 ohms
J4-3 to J4-4: Approximately 10
ohms.
Also check each winding for shorts
between J4-1 thru J4-4 and the
motor housing. If you find a problem,
replace the stepper motor. If you do
not find a problem, replace the
output expander mechanical linkage
assembly.
FRU
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