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Riso RA 5900 Paper Feed

My Risograph will not feed paper. The feed clutch does not seem to engage when feeding the first sheet, then gives the paper jam error code.

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  • stoney727 Aug 09, 2008

    When I go larger than 8.5 X 11 I keep getting a paper jam but its not jammed. Acts like a sensor issue but I dont know.

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3 Suggested Answers

checkitright
  • 1352 Answers

SOURCE: Riso GR3770 Paper Jam, Check paper feed

Sounds like you forgot to plug the High voltage transformer or a sensor back

Posted on Dec 12, 2007

  • 19 Answers

SOURCE: Riso GR3770 will not pull the paper through

Hi
On those GR machines the solonide latch that activates the presure roller to come up to the drum get worn. Remove back cover and check that catch area.

Posted on May 21, 2009

  • 17 Answers

SOURCE: risograph rz220 paper not feeding

If paper is fluttering while feeding, what is actually happening is that the pressure solenoid doesn't activate. This is caused by paper dust on the paper sensor.
Take the drum out...notice the white guide roller on the left side inside the machine...it is held on with a white e-clip that can be removed by hand. The paper sensor sits just behind this roller. Remove with a phillips screwdriver and clean the sensor.

Posted on Mar 30, 2010

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1 Answer

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Risograph rz220 paper not feeding


If paper is fluttering while feeding, what is actually happening is that the pressure solenoid doesn't activate. This is caused by paper dust on the paper sensor.
Take the drum out...notice the white guide roller on the left side inside the machine...it is held on with a white e-clip that can be removed by hand. The paper sensor sits just behind this roller. Remove with a phillips screwdriver and clean the sensor.

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Riso's are famous for this, i will scrub the rubber timing roll with rubber rejuvenator and clean the steel roll with alcohol.The riso paper feed clutches are weak compared to what they were in this series you may have to replace the clutch. Bud, after doing some research you need to clean the oneway bearings on the pickup and feed rolls, adjust feed table hieght and lastly check/adjust timing in drive and feed roller-you will need a manual for this.


Hope this may help;


Regards,
VOTIT

Jul 25, 2008 | Riso RZ220 Duplicator

2 Answers

Movement


Riso's are famous for this, i will scrub the rubber timing roll with rubber rejuvenator and clean the steel roll with alcohol.

the riso paper feed clutches are weak compared to what they were in the GR series you may have to replace the clutch.

Apr 09, 2008 | Riso RZ220 Duplicator

1 Answer

Riso GR3770 Paper Jam, Check paper feed


Sounds like you forgot to plug the High voltage transformer or a sensor back

Dec 11, 2007 | Printers & Copiers

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