IBM S544-5343-03 - Manual (Page 149)

Removing the Controller Card
Use the following procedure to remove the controller card:
Attention: Do not switch the power off if the printer is printing a page. This action
jams the printer.
CAUTION:
Failure to turn off the printer before working with its internal components can
result in electric shock.
1. Switch the printer power off.
2. Unplug the printer from the wall outlet.
3. Remove the power cord from the back of the printer.
4. Loosen the thumbscrews located on the controller card at the back of the printer.
Remove the controller card.
Note: The illustration shows a controller card with no network interface cards
installed. You do not need to remove network interface cards before removing the
controller card.
5. Lay the controller card on a flat surface.
6. To install a SIMM, see “Installing a SIMM” on page 130. To install a hard drive,
see “Installing a Hard Drive” on page 132.
Chapter 7. Installing Printer Options 129