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We have a Risograph GR3770. It has been great but last week it decided not print correctly anymore. It is about 3/4" off on everything we print. We put the margins over as far as it will go, but it is still off about 1/4". We have reset everything, unplugged, cleaned, checked the machine, etc. It is not under a maintenance contract anymore since it is so old. Is there something we can do or do we need a tech. to come look at it? Any suggestions would be great. Thanks!

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

printech
  • 159 Answers

SOURCE: printing dots on Brother HL 4040CN

do this procedure
1.print test page then stop the printer on the middle print proses by turn the printer of or open the rear cover
2.remove the paper jam carefully
3.look to the paper if the problem found change the drum unit els the fusser unit cause the problem

Posted on Apr 01, 2008

SOURCE: Epson 9600 suddendly stopped printing yellow

We have the same problem a couple months ago. After changing the button battery on the back of the printer,  everything were back to normal.

Posted on Sep 24, 2008

  • 13 Answers

SOURCE: Optra T610 Print Problem

Your paper size settings for Tray 1 is probably wrong. Make sure it is set to Letter and the type is Plain Paper. If your Paper size is Universal, then either the paper guide in the tray is set wrong or the paper size sensor is broken. If the sensor is broken, you can disable auto paper size sensing so the printer will allow you to specify a paper size. To disable paper size sensing, you need to go into Config Mode. The other way is to send a PJL command to the printer to disable the function.

Posted on Feb 08, 2009

POCBM
  • 121 Answers

SOURCE: 4 - black ink smudges (1/32" wide x 1/16" high) in right margin

Very nice trouble shooting. The image defect you describe point to the OPC or drum unit this is essentially the toner cart. In your case black. Measureing the distance between repetitive defects is a sure way of diagnosing problems such as yours. Again nice work.

Google repetitive defect ruler for your model to help in the future.

Hope this helps

Posted on Apr 07, 2009

SOURCE: paper and ink lights blinking

Try doing a printer check by doing the steps below. If it doesnt work, then try to call the printer manufacturer for more advanced solutions or information

  1. turn off the printer and disconnect it from computer
  2. place a plain sheet of paper
  3. press and hold down the paper feed button, then press and release the power button. Continue holding down the paper button until you see the power light flashes
  4. if it prints a test page it is working fine, the problem might be the computer settings, printer settings, software or printer application, or cables, otherwise the problem is the printer itself

Posted on Apr 12, 2010

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