Oki B721 Maintenance Manual page 39

Oki Data CONFIDENTIAL
(3) Installation of an additional RAM
Install additional RAM to increase the memory capacity of your printer in cases such as if
memory overflow or the collate print errors occur.Your printer supports 512 MB RAM.
Note! • Use only genuine Oki Data products. The performance cannot be
guaranteed when other products are used.
• The static electricity may cause damage to the parts. Discharge the static
electricity in your body by touching grounded metallic parts, etc. before
work.
• Components may be damaged by static electricity. Make sure to remove
the static electricity charged on human body by touching metals by hand
before works.
Memo For banner printing, installing additional memory is recommended.
1. Turn off your printer, then unplug all the cables from the printer.
Turn off the printer by following the steps described under "Turning off the power" in
section 3.5.2.
2. Open the access cover on the right side of the printer.
45487001TH Rev.1
Additional RAM
Access cover
3. Loosen the screw to remove the metal plate.
4. Make sure the LED indicated by the arrow is unlit. If it is lit, wait until it turns off.
2. Installation
Metal plate
LED
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