Question about Ricoh Aficio 450 Copier

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I need an expert for sc555 ricoh 2060 - Ricoh Aficio 450 Copier

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Possible causes:
• Thermistor bent, out of position
• Fusing lamp disconnected
• Circuit breaker opened

Posted on Feb 02, 2012

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That is a fuser fault. Can be caused by dirth thermistors on the hot or pressure rolls.
Can be a bad heat Rod. But on a 450, It is almost likely a bad thermistor. It is the flexable temperature sensor that rests on the hot roll to monitor the temperature.

Posted on Nov 12, 2010


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Posted on Jan 02, 2017

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SC555 is a fuser error there are a few possabilities that could have caused this..

1 You have a peice of paper trapped in the fuser unit(the heated rollers)
2 The fuser unit is not fully home
3 The thermistor/fuser lamp has a malfunction

Fusing unit SCs displayed on the operation
panel. The machine is disabled. The user
cannot reset the SC.
Turn the main power switch off
then on before entering SP mode.
Reset the SC (push "EXECUTE"
with SP5-810), then turn the main off then on again

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