This section describes handling the controller board when installing options.
If you slide out the controller board to install the hard disk, carefully follow the instruction below to re-install the controller board.
The following may occur if the controller board is not correctly installed:
All control panel indicators are lit.
No control panel indicators are lit.
The "SC670" error message appears on the display.
Re-install the controller board in the printer. To do this, grip the handles on the back of the board and push the board in until it stops.