Caution when re-installing the controller board
This section describes handling the controller board when installing options.
If you slide out the controller board to install units, carefully read the instruction to re-install the controller board.
The following may occur if the controller board is not properly installed:
all control panel indicators are lit.
no control panel indicators are lit.
the error message appears on the display.
Re-install the controller board into the printer by pushing the bottom center area of the board.
