Lexmark 21Z0294 User Guide - Page 16

Accessing the system board to install internal options, CAUTION-SHOCK HAZARD, Warning-Potential Damage

Page 16 highlights

Installing options 16 Accessing the system board to install internal options CAUTION-SHOCK HAZARD: Turn the printer off, and unplug the power cord from the wall outlet before continuing. If you have any other devices attached to the printer, turn them off as well and unplug any cables going into the printer. Note: This operation requires a #2 Phillips screwdriver. 1 Remove the cover and system board. a Turn the screws on the cover counterclockwise, and then remove them. b Gently pull the cover and system board away from the printer, and then remove it. 2 Use the illustration below to locate the appropriate connector. Warning-Potential Damage: System board electrical components are easily damaged by static electricity. Touch something metal on the printer before touching any system board electronic components or connectors.

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Accessing the system board to install internal options
CAUTION—SHOCK HAZARD:
Turn the printer off, and unplug the power cord from the wall outlet before
continuing. If you have any other devices attached to the printer, turn them off as well and unplug any cables
going into the printer.
Note:
This operation requires a #2 Phillips screwdriver.
1
Remove the cover and system board.
a
Turn the screws on the cover counterclockwise, and then remove them.
b
Gently pull the cover and system board away from the printer, and then remove it.
2
Use the illustration below to locate the appropriate connector.
Warning—Potential Damage:
System board electrical components are easily damaged by static electricity.
Touch something metal on the printer before touching any system board electronic components or connectors.
Installing options
16