Ricoh sp 150 ошибка sc 491

Andy_R

  

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this article to know the ways to fix the Sc491 error and the causes behind this error code on Ricoh mp c2003, mp c2503, Mp c2011Sp, mp c2011, mpc4503

Solution for error code SC491-00 on the Ricoh mp c3503

Are you getting
the status as Sc491-00 on your Ricoh mp c2003, mp c2503, Mp c2011Sp, mp c2011, mp
c4503, mp c3503, mp c5503 Copier?  Here
in this article, we are sharing a few methods to fix the error code Sc491 on the
Ricoh MPC copier. Read this article to know the ways to fix the Sc491 error and the
causes behind this error code.

Meaning of the
error code Sc491

The error code
Sc491-00 stands for High voltage power. bias charge leak occurred for drum
unit, developer unit, or secondary transfer unit. The error signal is
identified for 0.2 seconds while charging the drum or developer. Usually, these
codes come when the drum unit or Developer unit is bad. This error may be due
to many reasons. You have to find the exact cause of this error. So check one
by one until it gets solved.

Solution for
the error code sc491

• Make sure the
  connectors on the front of all drum units are properly seated.
• Clean the contacts of all color drum units and developer units.
• Check the secondary
  transfer unit.
• Check the high
  voltage supply unit. Replace it if necessary.
• Check the
  HVPS-CB board. Replace it if necessary.

I hope this
helps you.  If the error persists after doing the above solutions, you
should contact the Toshiba Customer Service Team for the assistance of an
expert. They will assist you to get rid of this issue.

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Thread: SC 491

1. 04-03-2012

   
   

   #1

   

   
   Junior Member
   

   

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   DOES anyone know how to fix this code?Pcu’s and dv’s are not old.Thanks

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2. 04-03-2012

   
   

   #2

   Re: SC 491
   

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3. 04-03-2012

   
   

   #3

   Re: SC 491
   

   Please supply the model number of the machine that is causing you this hardship, as it could be caused by several things depending on machine model.

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4. 04-03-2012

   
   

   #4

   Re: SC 491
   

   Addendum: Put the model number in the title — always.

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5. 04-03-2012

   
   

   #5

   

   
   Junior Member
   

   

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   Re: SC 491
   

   Originally Posted by Polarbear
   

   Please supply the model number of the machine that is causing you this hardship, as it could be caused by several things depending on machine model.

   MPC3500

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6. 04-03-2012

   
   

   #6

   

   
   Junior Member
   

   

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   0

   Re: SC 491
   

   Originally Posted by Polarbear
   

   Please supply the model number of the machine that is causing you this hardship, as it could be caused by several things depending on machine model.

   MPC 3500

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7. 04-03-2012

   
   

   #7

   

   
   Junior Member
   

   

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   Re: SC 491
   

   Originally Posted by rsyarcia
   

   what is the model?

   MPC 3500

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8. 04-03-2012

   
   

   #8

   Re: SC 491
   

   This is what Goose’s Guide suggests:

   Drum/dev bias error — replace paper transfer unit

   Drum/dev bias error — replace high voltage supply unit

   Drum/dev bias error — replace drum unit(s)

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9. 04-03-2012

   
   

   #9

   Re: SC 491
   

   High voltage power: Drum/ development bias output error
   An error signal is detected for 0.2 seconds when charging the drum or
   development.
   􀂃 High voltage leak
   􀂃 Broken harness
   􀂃 Defective drum unit or development unit
   􀂃 Defective high voltage supply unit
   491 D
   1. Check or replace the harness.
   2. Replace the drum unit or paper transfer unit.
   3. Replace the high voltage supply unit.

   Why do they call it common sense?

   If it were common, wouldn’t everyone have it?

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10. 04-03-2012

    
    

    #10

    Re: SC 491
    

    Can’t we just delete such time-waster topics if people aren’t qualified enough to start threads with some kind of minimum informations we need in order to give support, like:

    — model?
    — what issue/symptome?
    — is it permanent/sporadically?
    — already performed measures?
    — PM status of the machine (in case it might be relevant)

    Maybe, after some public brainstorming, a mod can write a little guide and make it sticky somewhere so at least we don’t need to teach pre-school basics and re-invent the wheel all the time. Maybe it’s just me thinking that these insufficiant threads are a growing phenomenon.

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