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Re: Sharp AR-156 will not copy
New Laser Unit is Needed.. If you hold the Green start/copy button down for a second or so, you will see L6 flash then 10 (if it is 10?)
The only thing you can do is call a tech, they can try to clear it with simulation 14, which might keep it going for a day or two, You can try to turn it off and back on... that might clear it.
But it will come back soon enough.
The Polygon Motor is what spins the Mirrors which the Laser uses to write to the Drum.
In Short, machine will not work without it.
A tech can try to replace the Motor itself, (provided the boards arent bad) but usually it is cheaper and easier to replace the Laser Unit.
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L6 is polygon motor lock (in the laser unit). To try and reset on the keypad press P * C * (pound star clear star) and enter sim 14 and press copy button. the machine should restart if down right. If the code comes back the LSU unit will need to be replaced. Should be done by a trained tech.
AR-M450U laser code L6-10
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Customer called this AM with this code and I understand no kind of reset so I just ordered the laser unit from Sharp this afternoon. Should I have tried something else first. I didn't want to waste time if there was a high probability the laser or one of it's components would need to be changed. Frank /ActionPhotocopy
You are spot on Frank. 99.9% of the time, it has a failure in the Polygon Motor assembly in the LSU. Very common on high page count machines. This part will fix the issue straight away. You will hear the new laser speed up nicely on startup compared to the original, which usually sounds abit sluggish or slow.