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  1. Replies
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    Re: Riso GR3770 blank prints

    Don't rush to buy any part as yet! Riso parts are extremely robust and reliable. Take your time and carefully troubleshoot the problem, it might turnout to be something else. For example is the...
  2. Re: Ricoh Aficio mp2000....'Add Toner' message!

    Absolutely, I'll indeed remember this one for life.
  3. Re: Ricoh Aficio mp2000....'Add Toner' message!

    Tick!!!!!, thank you very very much 'polar bear' and all those who've contributed to this thread. It has worked! It was indeed that very small door below the right side door. I did nothing else but...
  4. Re: Ricoh Aficio mp2000....'Add Toner' message!

    Thanks Ruben for the quick reply. Fortunately there's similar machine nearby...mp2000, and I did swap both the drum unit and toner hopper, they're both OK. Even the one from working machine when put...
  5. Ricoh Aficio mp2000....'Add Toner' message!

    Hi folks, I've the above model of Ricoh displaying...Add Toner message which doesn't go away! Of course we've replenished the toner...original OEM,closed the door properly. I checked the door switch...
  6. Re: Electrical: GR 3770 Not Powering Up.

    Thanks iowatec for your reply. It makes a lot of sense. First, the generator's output is good, since there's another riso fr3910 also being powered by it and its working well. I'll have to really...
  7. Electrical: GR 3770 Not Powering Up.

    Background info: The machine is run on a petrol generator, no problem. Now it doesn't power up, completely dead. Panel blank, no anything, no nothing.I made preliminary checks on the power supply...
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    Re: Riso GR drum, dead ink pump?

    Just give it a try, science is both theory and practical. By doing so, your findings will help other forum members with similar challenge. You could also check that rubber at the spigot of the drum...
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    Re: Just how Crazy is Donald Trump!

    Absolutely right. And if I may ask, 'why is the USA so concerned about north Korea developing and testing nuclear weapons since it's a different far away country from its borders?'Simple, when those...
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    Re: Riso GR drum, dead ink pump?

    Try another ink motor?
  11. Re: GR(W) Drum Inking Issue, some blank spots are cleaning and new screen

    Yes, the test mode 101 operates the ink pump allowing it to supply ink to especially a dry cylinder. Operate it after doing all necessary cleaning as advised by fellow techs. Having a manual at hand...
  12. Re: GR(W) Drum Inking Issue, some blank spots are cleaning and new screen

    Try this: Disassemble the drum to access the ink distributor, remove it from unit and clean it with relevant solvent e.g kerosene, making sure that you blow the ink distributor with your...
  13. Re: Risograph FR3910 master crumpling while burning image

    Just follow my advice from previous posts.I've passed through a similar fire from exactly the same model of machine.Make adjustments between the master loading motor tension and that of master...
  14. Re: Canon iR 2016 not powering up.....puzzled!

    Not encouraging. That would be wasting available resources both technical and human. A Tech's job just like in any engineering work is to cut down costs. I do own and operate a small copy and print...
  15. Canon iR 2016 not powering up.....puzzled!

    Well, the machine was invaded by rats,ate much of the wire inside. The finisher unit was the most affected. Ignoring advice from fellow techs here to discard the finisher unit and allow machine to...
  16. Re: Risograph FR3910 master crumpling while burning image

    Have seen the video, I had a similar challenge multiple times. Your problem is uneven rotation of the write roller and associated rollers. Open machine rear to access the cutter motor, adjust the...
  17. Re: Risograph FR3910 master crumpling while burning image

    Open the right front cover and check that the pulley on the master loading motor is not loose. The pulley gear has hex drew that losens with time. Check belt tension as well. I would also check the...
  18. Re: Most interesting copier location

    Eeh! Servicing a copier even in the 'world of the dead', it must have been the most chilling and frightening experience! I hope the morgue attendant was at your side throughout that session.
  19. Re: Riso GR3750, Shrinking image problem Solved or Masked?

    Thanks LA TECH for your views, as I said earlier in my post, i did change the write roller from a known working one of an FR3910iu and it did not make any difference in image quality. I actually...
  20. Re: Most interesting copier location

    Honestly I admire your 'adventures' dear fix, you must now be 'Battle hardened'.
  21. Riso GR3750, Shrinking image problem Solved or Masked?

    Well, I thought it wise to share this 'success' with you folks. I recently handled a Riso GR3750 which was specifically referred to me with an 'Image shrinking' problem. Some other techs had tried...
  22. Re: Canon i-SENSYS 3010 Not powering up.

    Thanks teckat for your input, I will have to do a detailed fault diagnosis of the PCB and see what I can come up with and post it here accordingly.
  23. Canon i-SENSYS 3010 Not powering up.

    Hi folks, i have a canon i-SENSYS 3010 which is not powering up. I did some preliminary checks on the main board, fuses intact, major suspect components like fusible resistors are also intact. Its a...
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    Re: Starting all over again

    The loudest "Bang, Bang,Bang" I've ever had was from the Risogragh GR and RA series digital duplicators. This happens when the machine's clamp unit for some reason fails to operate...open and close...
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    Re: Shocking (industry) news

    No big deal there. 'Mergers and acquisition' is the name of the game. It's happening all over the world.Just recently,one of the largest banks here, (name withheld), with over 46 branches all over...
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