Question about Ricoh Aficio MP 1600 Black and White Copier

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Showing error 551 - Ricoh Aficio MP 1600 Black and White Copier

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I believe the code has to do with the fuser unit. You can try to reset by pressing the "Yellow" Clear botton then the numbers "1""0""7" then press and hold the "Red" Stop botton till the display changes. Then turn the Main Power switch Off and then back On. If it will not clear you have a problem with the fuser unit and will have to be repaired to clear the code.

Posted on Aug 30, 2010

  • Techmind May 20, 2011

    All 5xx series codes are related to fixing/paper feeding unit problems.



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551 error 5950 daryview

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It can mean:
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2. The thermistor connector is bad.

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Turn ON and OFF the Main Switch.

If the problem persists you may need to contact your local service technician to take a look at your copier.

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Definition- [B]
No encoder signal from the scanner motor
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SC551 is thermistor pressure roller error. Check for paper jams in the fuser. It could need a new thermistor.

Make sure the fuser is secured and properly seated in the copier.

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