Lexmark 237 Printer User Manual


 
Installing an optional card
CAUTION—SHOCK HAZARD: If you are accessing the controller board or installing optional hardware or
memory devices sometime after setting up the printer, then turn the printer off, and unplug the power cord
from the electrical outlet before continuing. If you have other devices attached to the printer, then turn them
off as well, and unplug any cables going into the printer.
Warning—Potential Damage: Controller board electronic components are easily damaged by static electricity.
Touch a metal surface on the printer before touching any controller board electronic components or connectors.
1 Access the controller board.
For more information, see “Accessing the controller board” on page 29.
2 Unpack the optional card.
Warning—Potential Damage: Avoid touching the connection points along the edge of the card.
3 Holding the card by its sides, align the plastic pins (1) on the card with the holes (2) on the controller board.
2
1
Additional printer setup 34