Question about Ricoh Aficio 450 Copier

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Sc990on af 2045

Please explane

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Sometimes this 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 HDD.
If you are not technician, calls to one so that she makes the work.

Posted on Oct 21, 2009

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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

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Sp mode 2-201-1 defult 560v change 600v

Posted on Nov 01, 2011

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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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SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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IN RICOH AF 2045 SC 990

This error code could be related to a Physical problem (machine) or Network Problem.

Physical problem:
Try to clean the ID sensor.
Probably you will also need to clean or replace the Drum Unit.

Network problem:
Upgrade your firmware.

(If you do not have technical skills a advise you to call your provider)

See you!

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That error is related to a bed reading in a sensor of the Development Unit, called "TD sensor".
You can try to take of the development unit and see if there is dust of toner or even if the plug is broken (i saw that happens sametimes).
The development unit is placed under the PCU.
Open the front door and you will se it.
If you can not see nothing abnormal like dust or broken plug i advise you to call your provider to change the TD sensor or the development unit.
any doubt reply to me ok?

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. To place an order, please call 800-327-9753. Thank you for your cooperation.
Explane to them what you would like.

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