Question about Ricoh Aficio 450 Copier
problem is caused by the image unit (Drum), replaces cylinder blade and develops
and initializes ID Sensor and sensor TD, If the problem persists, replaces the
If you are not technician, calls to one so that she makes the work.
Posted on Oct 21, 2009
SC 990 is a software error. It usually can be cleared by turning the machine off and back on. It occurs when the internal program gets locked up. Sometimes it requires a firmware reload, other times it maybe an indication that your hard drive is on its way out. The best thing I can say, is lets hope it just happened, and will not again!
Posted on Mar 28, 2008
Sp mode 2-201-1 defult 560v change 600v
Posted on Nov 01, 2011
Sc 990 usually means the hard disk drive is dead it will need to be replaced
Posted on Mar 31, 2008
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Posted on Jan 02, 2017
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