Question about Ricoh Office Equipment & Supplies
SC 990 is a software performance error.The software attemted to perform an unexpected operation.Software defective,internal parameter inncorrect or insufucient working memory.SC 990 occues when printing a message dtored in the information box.Avoid by firmware upgrade.This information can be cheked by using SP 7-403.The hard unit is located in rear right side up position of by pass.The developer is under toner botle in developer unit.
Posted on Aug 01, 2009
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Posted on Jan 02, 2017
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