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Mohamed Niflar Posted on Oct 14, 2017

I have Ricoh mpc2050 copier and there is an error coming SC491. Cant get copies.. If anyone have solution please reply

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Junaid Ahmed

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  • Posted on Apr 17, 2019
Junaid Ahmed
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Did you replaced any drum if yes please recheck or re Assemble it again there is some hi voltage leak issue

Richard Jordaan

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  • Posted on Oct 18, 2017
Richard Jordaan
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  • Code: 491
  • Description:High voltage power: Drum/ development bias output error
    An error signal is detected for 0.2 seconds when charging the drum or development.
  • Causes:• High voltage leak • Broken harness • Defective drum unit or development unit • Defective high voltage supply unit

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5 Related Answers

MSM

  • 165 Answers
  • Posted on Apr 05, 2010

SOURCE: I have a Ricoh 1018D photocopier. However when i

try cleaning the optics and the laser glass

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Beni S-P

arben pllana

  • 1006 Answers
  • Posted on Nov 30, 2007

SOURCE: Ricoh FT2260 Copier

There are basically two types of error codes:

  1. Errors that a developer can cause to happen. Examples include "Out of paper", "Not Reserved", etc. These types of errors are useful to developers and can be used to correct normal error conditions.
  2. Errors that are internal to the product. These errors should occur only if there is some catastrophic failure within ImageControls that is unexpected (see causes below). These types of errors are generally NOT caused by a developer. These types of errors are labeled as "Internal Error" in the trouble shooting tips below. However tech support and engineering can utilize these errors to find and correct problems.
These type of errors are often caused by the following conditions:
  1. product is not properly installed.
  2. peripheral not properly installed / connected.
  3. hardware problems in accelerator or peripheral.
  4. invalid image file data or file corrupted
  5. bug in ImageControls/Bedrock/Driver, etc.
The VirtualReScan error codes displayed below are accompanied by descriptions and troubleshooting suggestions.

Let me know if u got help?

Everett Lin

  • 990 Answers
  • Posted on Dec 10, 2008

SOURCE: Error 52 on ricoh FT3213.

error code 52 on ricoh ft3213, that's mean heating element burn out , such as heater lamp, thermister , thermo fuse.

Anonymous

  • 162 Answers
  • Posted on Dec 07, 2009

SOURCE: Error SC320 Ricoh Copier

Change the polygonal motor of the laser.

amesinufranc

amesinu francis

  • 104 Answers
  • Posted on Jun 07, 2015

SOURCE: i have a ricoh aficio

Waste toner bottle is to the left of tray one. all you will need to do is remove the tray one complertrely and open the left cover nexdt to the tray. the waste toner bottle is in there and you will have to pull it it gently.
good luck

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Service call-sc491

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Mpc 2050 sc 222

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Service call sc491

Most likely a bad PCU (drum unit) causing the issue/error code but hard to reply in more detail if you don't provide the model number of you Ricoh/Savin/Gestetner/Lanier copier.
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My Ricoh SPC811 DN shows always an error code SC491

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Ricoh Aficio SP C420dn Printer. The printer at

sc491 is a high voltage output error. Combined with your jamming issue, it sounds like a possible electrical problem somewhere. A good first step is to turn the machine off and unplug it, then take off the covers and reset any connections or cables you can get to.

If the problem persists, you should have a service technician take a look at it because it might need a board replaced.
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Sc491 error on ricoh MPC 3500

Sc 491 straight from manual

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

1. Check or replace the harness.
2. Replace the drum unit or paper transfer unit.
3. Replace the high voltage supply unit.
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