Lexmark 4079 colorjet printer plus Service Manual - Page 85
Diagnostics, corrected?
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Operator Panel 004 (continued) Is the error corrected? Yes No 1 005 Replace the logic hoard. fj-006 End the call. 007 Turn oft the printer. Instal l the controller board and connect J4 Turn on the printer. Check operation of buttons. LEDs, LCD (see "Controller Diagnostics" on page 2-83) Do all buttons, LEDs, and LCDs pass their tests? Yes No 008 Replace the operator panel - 1 009 Replace the controller board. Diagnostic ntormot+on 2-65
Operator
Panel
004
(continued)
Is
the
error
corrected?
Yes
No
1
005
Replace
the
logic
hoard.
fj-
006
End
the
call
.
007
Turn
oft
the
printer.
Instal
l
the
controller
board
and
connect
J4
Turn
on
the
printer.
Check
operation
of
buttons.
LEDs,
LCD
(see
"Control
ler
Diagnostics"
on
page
2-83)
Do
all
buttons,
LEDs,
and
LCDs
pass
their
tests?
Yes
No
008
Replace
the
operator
panel
—
1
009
Replace
the
control
ler
board.
Diagnostic
ntormot+on
2-65