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Error code The code U2 comes up-I think it is a memory code but I cannot get rid of it. I tried unplugging it over night but that did not help.

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  • puffer Feb 29, 2008

    how do I do a 16?

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Do a 16 to reset (it may be the battery)

Posted on Feb 28, 2008

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Sharp mx 2300N error code U2-41


The U2 errors are usually related to memory or board level issues. You should try to disconnect the fax and network and then kill the main power inside the cover. Turn the main power on and then when you get a solid green light on the control panel press that power switch. If the machine boots with everything disconected then try conecting the options one at a time and try rebooting each time to see if you can narrow down the problem.

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try removing memory see if it goes away, if yes replaced memory.
remove, turn off put back in turn on see if it comes back
U2-91 PCU section memory sum check error Crop 16

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Photocopier not working. Sharp AR-335 Code U2-00 Please help, Thank you


U2 is an EEPROM error. The software isnt loading correctly.

2 things to try.

1. Press P * C * or # * C *. However your machine it labeled. That will enter diagnostics. You then want to enter 16, then press enter and start. That is the simulation fault clearance for a U2. If that does not work then I would suggest removing the back cover and remove and reseating the memory chips.
After you remove and reinsert the chips,do that simulation 16 again.

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ERROR CODE U2-40: SHARP AR 5127


ERROR CODE U2-4 COULD BE RELATED TO THE MEMORY BATTERY BEING DEAD ON TEH MAIN BOSRD IF IT IS AN OLD MACHINE SO YOU COULD CHECK THSI OR REPLACE AND TRY WITH NEW

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1 Answer

U2 PROBLEM blinking U2 and will not print


U2 RAM error
U2-00 EPROM error
U2-01 Counter error
U2-01 Memory back-up battery dead
U2-04 EPROM error
U2-11 Main counter error
U2-12 EPROM error

As you can see there are many U2 error codes. Needless to say, find your code and the replace the bad part. The battery is on the main board. The EPROM is on the main board.
If you find your code, replace the part and error still remains -- replace main board.

Feb 03, 2009 | Sharp AR-5316 Advanced Digital Imager...

1 Answer

CODE U2


A U2 is related to a memory failure. May be a bad memory chip or main board. BUT, before we get drastic and move in that direction there are a couple of other things that I have seen cause that.
So, first I have seen the chip on the back of the drum cartridge cause that problem. You can try removing the drum cartridge and powering on the machine without that installed. See if it just comes up with a J2 code then. Or even a CH code. If the code changes you may simply have a failed drum cartridge.
Sometimes memory corruption can occur and you can clear it using this procedure..

Performing a Fault Reset 14 will reset your WorkCentre and will help to clear error codes.
  1. Find the pink Clear button on the Control Panel of the WorkCentre.
  2. Find the button below the word Auto.
  3. Press these buttons in the following sequence: [Clear], [Auto], [Clear], [Auto] NOTE: All of the lights on the Control Panel should go out and the LED Display should go blank. If the lights do not go out, then repeat step 3 until they do. It may be necessary to increase or decrease the pace of the [Clear], [Auto], [Clear], [Auto] sequence.
  4. Press the [10's] key one time and the [1's] key four times to enter '14' in the LED Display, as if you were to make 14 copies.
  5. Press the green [Start] button.
  6. Press the pink [Clear] button two times.
  7. The WorkCentre should now warm up and come to ready.
  8. If the above steps do not clear the error code, repeat steps 3 to 6 a second time.

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3 Answers

Sharp AR 5316 E photocopier error clearing


try to cancel it by pressing: #-interrupt-C-interrupt simultaneously, then when the panel goes off input 16 then press the COPY KEY <> The machine will restart automatically. if U2 still remains.. try to replace the mainboard.

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1 Answer

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you can get rid of this u2 by pressing buttons as follows: # , interrupt, C, interrupt sequentially. then enter the no. 16 and press the start button. good luck

May 15, 2008 | Sharp AR-207 Copier

1 Answer

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U2 is usually a memory type issue, have you unplug and then plug back in after 1 hr.

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