Lexmark 2380 Service Manual - Page 48

Operator Panel Service Check, Start/Stop, Alt + Tear Off, Alt + Park/Load

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Operator Panel Service Check Note: If the Op-Panel Asm is locked, only the Start/Stop, Form Feed, Alt + Tear Off and Alt + Park/Load buttons are active. Model 2 and 3 printers have a "Lock" LED to indicate that the operator panel is locked. To unlock the operator panel, turn the printer off and then on while pressing Micro↑ and Micro↓. FRU 1 Op-Panel Cable Sub Logic Board Action Check the connections from the operator panel to the sub logic board and from the sub logic board to the main logic board. Disconnect the operator panel from its cable and make sure +5 V dc is present on the following pins on the cable: 23XX-001 CP1-1 CP1-7 23XX-002,003 CP1-2 CP1-8 If there is a voltage problem make sure the sub logic board is receiving +5 V dc on CN1-3. Replace the operator panel cable, the sub logic board, or the power cable as necessary. 2-24

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2-24
Operator Panel Service Check
Note:
If the Op-Panel Asm is locked, only the
Start/Stop
,
Form
Feed
,
Alt + Tear Off
and
Alt + Park/Load
buttons are active. Model
2 and 3 printers have a “Lock” LED to indicate that the operator
panel is locked. To unlock the operator panel, turn the printer off and
then on while pressing Micro
↑
and Micro
↓
.
FRU
Action
1
Op-Panel Cable
Sub Logic Board
Check the connections from the operator panel
to the sub logic board and from the sub logic
board to the main logic board.
Disconnect the operator panel from its cable
and make sure +5 V dc is present on the
following pins on the cable:
23XX-001
23XX-002,003
CP1-1
CP1-2
CP1-7
CP1-8
If there is a voltage problem make sure the sub
logic board is receiving +5 V dc on CN1-3.
Replace the operator panel cable, the sub logic
board, or the power cable as necessary.