Question about Office Equipment & Supplies
I have a Studio 457 copier/scanner here at work and it gives error message CB51 and reboot machine. What to do?
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Posted on Jan 02, 2017
Are you still receiving faxes although you are unable to send? Or is it no send & no receive? When you hook a phone up are you able to connect with a # dialed from that phone. It's possible that the problem is the copiers NCU board- but it's rare that they fail & even more rare that it loses just the send portion. You'll want to be absolutly sure that it's not the phone line. If you are positive that the problem is not the phone line - try turning the machine off & unplugging the power cord for 30 minutes. Occasionally the NCU card will lock up & not function properly. Unplugging the machine for 30 minutes has worked for me in the past.
Posted on Mar 29, 2007
it means that the developing unit connector is not connected. you can find it near the location of the toner waste container. there will find one screw lock for the cover of developer harness. possibly one of the wires of the developing unit is open. you can solve it by just twisting or untwisting that wire; not need to replace just twist it or untwist it. :)
Posted on Mar 20, 2010
I had this problem and it had to do with the scan bulb head not recognising the marker. My temporary fix until the bulb is replaced is to turn the printer off, open the top (ADF and all) with the gray button on the right so that it's slightly raised and then switch the printer on. When it comes up, just close and print/scan/copy as usual. Apparently the spring in the arm warped the interior surface where the head moves and it can't line up when it's closed. Hope this helps.
Posted on Sep 01, 2010
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