Kyocera FS-1020D Operation Manual page 120

DIMM to be used
Contact your Kyocera Mita dealer for information on purchasing the
DIMM that are best suited for use with this printer.
Either an 8 MB, 16 MB, 32 MB, 64 MB, 128 MB, or 256 MB DIMM can be
used for memory expansion.
Installing the DIMM
Insert the DIMM into the socket as follows:
1
Turn the printer's power off, then unplug the printer's power cable
and disconnect the printer from the host computer.
2
Remove the screw from the rear of the printer.
Figure A-6
3
Remove the side cover as shown in the figure.
Side Cover
Figure A-7
A-4
Expansion Memory Installation