Caution When Re-installing the Controller Board

This section describes how to handle the controller board when installing options.

If you slide out the controller board to install units, carefully read the instructions about re-installing the controller board.

The following may occur if the controller board is not properly installed:
- All control panel indicators light up.
- No control panel indicators light up.
- An error message appears on the display.

Push the bottom center area of the board to re-install the controller board in the printer.

Rear side of the printer illustration