[. . . ] 3 Note � Use only genuine Oki Data products. [. . . ] Discharge the static electricity in your body by touching grounded metallic parts, etc. note � For banner printing , installing additional memory is recommended. 1 Turn off your printer, and then unplug all the cables from the printer. On the operator 9 - For memory expanded to 512 MB, it is [768 MB]. Note � If the value of [RAM] has not increased, turn off your printer and unplug the AC cable and all the cables, and then reinstall the additional RAM. 11 Press the scroll button several times to select [System] then press the <ENTER> button. [. . . ] 11 Press the scroll button several times to select [System] then press the <ENTER> button. [. . . ]