Konica Minolta bizhub 350 All-In-One Laser Printer Logo
Posted on Aug 26, 2008
Answered by a Fixya Expert

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Bizhub 350 service code

My Bizhub 350 is giving me a malfunction code of C-OBAO

  • dwinfrey Sep 15, 2008




    I have just bought a Minolta Di450. The first time I used it, I used the Electronic Document Handler, copies two-sided from single sided, sorted, and stapled the stack. The copy was a little light and had a single line run horizontally on most of the pages. There was also a line about one inch wide on some of the pages.The originals are 16 sheets making the copies 8 back to back sheets. Half way through the stack, the back of each sheet has faint "ghost" copies. This "ghost" text came from the back of the previous sheet. The 16 origninals are numbered on the bottom center beginning with #49 and running to #64. Every even number (the back of each odd number) has the page number copied lightly - a "ghost" image- on the top of the page centered. Does code C-OBAO refer to these problems? And if so, what do I do about it.? Can I deal with this myself, or do I really need to call a technician?


  • Anonymous May 11, 2010

    Hello, can you confirm if you have "zeros" or the letter O in the error code? Also, this is a black and white 350 and not a color C350?? Thank you.

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  • Konica Minolta Expert 158 Answers
  • Posted on Oct 23, 2009
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Finisher exit tray drive failure if a trash can or box got put under the tray and the tray tried to move it will show this code if you are lucky you can reset the code by leaving the machine on and open then close the front door if it wont reset the gears are stripped and the motor will have to be replaced

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  • Contributor 51 Answers
  • Posted on Aug 30, 2009
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This machine is whith finischer?

  • 2 more comments 
  • Anonymous Aug 30, 2009

    this machine is whith finischer?

  • Anonymous Aug 30, 2009

    this machine is whith finischer?

  • Anonymous Aug 30, 2009

    this machine is whith finischer?

  • Anonymous Aug 30, 2009

    this machine is whith finischer?

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  • Posted on May 04, 2008

SOURCE: Malfunction code C-OBAO

I have a di3510, wich is very similar. I get this code often. Usually it´s just a malfunction on the finisher. The shutter mecanism. Turn off and move the finisher parts with the hands and turn the mahine on. Usually works for me after 2 tries or so.

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NEC IT3640D copier. We have a malfunction code C4101 on it. What can we do?

All here and also the Service Manual in Scribd.

C4101 error code Bizhub 350

Copytechnet https://www.copytechnet.com > ... > Konica Minolta
Apr 23, 2010 - C4101 code at power up. Description: C4101 code at power up. Solution: PROBABLE CAUSES: 1. Failed PWB-A (Mechanical CB).
Missing: NEC ‎IT3640D

IT40D Series Service Manual ' PDF

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They are sharp and may hurt you. Be sure not to leave the packing material inside the system. It may cause a system malfunction or a fire.

SOLVED: Error code c4101 - Konica Minolta

Fixya https://www.fixya.com > ... > Bizhub 362 Copier
Oct 25, 2012 - THE COPIER DISPLAYS ERROR C4101. C -4101 Polygon motor error. Change the polygon motor ,if you can not reset the malfunction code.



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Malfunction detected c 3301

No such code for a Bizhub 350. What model is it?

Btw, I’m available to help over the phone in case u need at https://www.6ya.com/expert/normanj_7893313f0751935f

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Malfunction detected c3451

gives the corresponding malfunction code and maintenance call
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My Bizhub 350 is saying malfunction dectected C3452

This code means you have a fuser warm up failure. The fusing unit uses heat and pressure to "fuse" the toner onto the paper. It is located right where the paper exits the machine. Here is the info directly from the service manual:
The Fusing Roller Sub Thermistor does not
detect the required temperature within 30 sec.
after a warm-up cycle has begun; therefore, the
copier does not complete the warm-up cycle.
• The temperature of the Fusing Rollers does not
reach the required level even after the set period
of time has elapsed during a warm-up cycle.

Most likely you have a thermistor failure in the fuser. You are going to need to call your local service company and have them repair then reset the machine.
Good Luck and Thank You for using Fixya.
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See P.65
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Malfunction code C-OBAO

I have a di3510, wich is very similar. I get this code often. Usually it´s just a malfunction on the finisher. The shutter mecanism. Turn off and move the finisher parts with the hands and turn the mahine on. Usually works for me after 2 tries or so.
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Konica Minolta biz hub c350 malfunction code c-0b4c

C0B4C Finishing option Exit Motor malfunction

Try reboot holding utility key down and do trouble reset, if it doesn't help then there is something wrong with exit motor, call for service
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