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T-11 error on Risograph GR3770

HI! Lately I've been having issues with a T-11 error coming up on my machine. It's a secondhand risograph that I bought to print comics on, so I didn't expect it to work perfectly all the time, but I was hoping I would be able to learn how to fix it myself. Is there a way that I can fix this T-11 error myself? I have already worked out that the T-11 code means that there is a possible issue with the pressure control motor, but the technical manuals I have been able to find for my machine online aren't that helpful with solutions to the problem. What I would really like would be photos of where exactly the problem is and details about how to fix it. Thank you!!!

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 34 Answers

SOURCE: Risograph 5800 repair

This is a cutter moter lock. you would have to replace the cutter unit.

Posted on Feb 20, 2008

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Bubbabear64
  • 2794 Answers

SOURCE: Code d--13, ---9 risograph rz220

Check out copytechnet.com. Its a free service that covers copiers only. You can get in touch with a Risograph technician to give you the answer.

Posted on Oct 15, 2008

  • 81 Answers

SOURCE: Risograph GR 1700 E02

check the Paper Feed Tray.. is there something in the way? does it go up and down? if it is all the way up or down maybe it got pushed off the rail?

Posted on Jul 07, 2009

  • 81 Answers

SOURCE: risograph rp 3100 ui

Reset machine... and check connectors to the boards... its a communications error to the digitizer cpu

Posted on Jul 07, 2009

  • 17 Answers

SOURCE: what does the error code P04-513 means ? Risograph

P04-513 means ink overflow. Don't worry though, sometimes this is not always the case. The ink sensor inside the drum has two antennas, a short one a long one. The long one is always supposed to have ink on when sticking into the ink bead. If it doesn't it calls for the ink pump to turn on and draw ink from the bottle. If the short one ever gets ink on it, this error code comes up. Sometimes it is just caused by ink splattering inside.
Take off the drum screen and drum body. Inside, you will see these two antennas in the ink bead. Clean out most of the ink and make sure the small antenna has no ink on it. Reassemble.

Posted on Mar 30, 2010

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Code d--13, ---9 risograph rz220


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