8. Match the controller board to the top and bottom rail using the " " mark, and then slide it
into the printer slowly until it stops.
9. Hold the printer with one hand, and then push the lower handle of the controller board with
the palm of your other hand, until it stops.
Malfunctions can occur if the controller board is not set properly.
10. Push the handle of the controller board until it clicks.
Installing the Memory Expansion Units
41