Oki B721 Maintenance Manual

45487001TH Rev.1
2-22 /
Oki Data CONFIDENTIAL
2. Installation
Additional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.
(3)InstallationofanadditionalRAM
Install additional RAM to increase the memory capacity of your printer in cases such as if
memoryoveroworthecollateprinterrorsoccur.Yourprintersupports512MBRAM.
Access cover
3. Loosenthescrewtoremovethemetalplate.
Metal plate
4. MakesuretheLEDindicatedbythearrowisunlit.Ifitislit,waituntilitturnsoff.
LED

Oki B721 Specifications

General

Print Technology	LED
Resolution	1200 x 1200 dpi
Processor	533 MHz
Memory	256 MB
Connectivity	USB, Ethernet
Duplex Printing	Standard