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Trouble code c-3721 - Konica Minolta Office Equipment & Supplies

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  • Konica Minolta Master
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Model number would help

Posted on Jul 04, 2016

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SOURCE: trouble code c-3721 on konika minolta multi functional printer

was told this message meant Konica have disabled the machine remotely.

Posted on Jan 31, 2011

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How do I clear error code C3721


Since there is no 3721 in the service manual you mean 3751: Before I explain if this code comes back do not reset again these code deals with the fuser it can catch on fire that will ruin a perfectly good day

Lower temp on the fuser. To reset. On the right side of the machine just below the scanner section (The part with the big glass) is a cover next to where you connect the Ethernet cable. Remove the cover, with the machine on use a small screw driver and gently depress the small black switch. The machine is going to go thru some screens when you see the screen with the copiers on it to the left on the screen in the middle you will see a "." when that is displayed press 3. The code will come back but now press the Utility/Counter button, you should see a button that says Maintenance Mode press that, see Trouble Reset press that and the machine will again will go thru warm up procedure, you will see the "." DO Nothing! The machine should go to "Ready to Copy" if the code comes back. Have a technician look at it DO NOT CONTINUE TO RESET the code is for the Hot Part called the FUSER. It can catch on fire! And that will ruin a perfectly good day!!!!

May 20, 2014 | Konica Minolta bizhub 350 All-In-One Laser...

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How can i fix error message c-3721 on bizhub c360 machine


If this code come back after this procedure get a new fuser, do NOT reset and Reset dealing with the fuser it can catch on fire that will ruin a perfectly good day

1.
Turn OFF the main power switch.
2. Turn main power switch ON while pressing the Utility/Counter key.
3. Touch [Trouble Reset].
4. Check to make sure that [OK] is displayed and it has been reset.
5. After turning off the main power switch, turn it on again more than 10 seconds after and check if the machine starts correctly.

May 07, 2014 | Konica Minolta Office Equipment & Supplies

1 Answer

An error on my c360 konica minolta c-3721


fuser temp too high to reset turn off machine then turn on while holding down the utility/counter button when the trouble reset button comes up on the touch screen touch it and make sure it says ok then turn the machine off wait 10 seconds and turn back on if error code comes back fuser unit will have to be replaced

Dec 11, 2012 | Konica Minolta Bizhub c203 Copier

1 Answer

Hi, our oce variolink 2822c suddenly began to show; "malfunction detected. inform the service representative of the error code", trouble code: c- 3721. Unfortunately service representatives...


Your machine is made by Konica Minolta. The C3721 code means that your fuser unit has detected an overheat condition. The fuser unit is the assembly that uses heat and pressure to "fuse" the loose toner onto the paper. It is located right where the copies exit the machine. Your are going to need to have your local service company come out and make repairs. You may get advice as to how to reset the code but beware. Since this is an overheat code, if you reset it more than once you can do severe damage to your fuser unit. You may turn a simple and relatively in-expensive repair into a major one.
I would waot if at all possible for the service technician, but I have only worked on Konica Minolta copiers for nearly 28 years now.
Good Luck and Thank You for using Fixya.
WheatlandServices

Jan 22, 2011 | Office Equipment & Supplies

1 Answer

C-3721 error is displaying. How can I fix it?


When quoting that error message, Konica told us the machine was disabled remotely by them.

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Trouble code c-3721 on konika minolta multi functional printer


was told this message meant Konica have disabled the machine remotely.

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