Bizhub c3850 print control board replaced, will not boot past column screen. Need hel

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  • Justin_sane
    Junior Member
    • Jul 2019
    • 6
    #1

    [CQ] Bizhub c3850 print control board replaced, will not boot past column screen. Need hel

    Hey guys, big problem I cannot seem to solve...I have a 3850 which was throwing a code for toner cartridge M, saying it needed replacement after I put a new one in. Tried a bunch of things like cleaning the connector on the new cartridge, etc.

    Anyway, I replaced the control board, swapped the EPROM chip, and now the machine won't get past the initial screen with the five columns you get when you first turn it on. I have ordered two boards, I get the same with both. I tried putting in the old board, and it boots past that screen and throws the magenta toner error.

    Any ideas on what to do to get this pig back up and running? Many thanks in advance!

    Sent from my SM-N910V using Tapatalk
    Tags: None
    • Synthohol
      Certified Konica Expert

      Site Contributor
      5,000+ Posts
      • Mar 2016
      • 5458
      #2
      Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

      double check the legs and orientation of the chip.
      We know a thing or two because we've seen a thing or two.
      The medication helps though...

        Comment

        • tsbservice
          Field tech

          Site Contributor
          5,000+ Posts
          • May 2007
          • 7635
          #3
          Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

          Let me guess. You use used boards and didn't update FW?
          Two big NO-NOs.

          Never use the combination of the used MFP board removed from another machine and the original EEPROM. This combination causes corruption of stored data.

          Note that the combination of the original MFP board and the used EEPROM removed from another machine also causes the same problem.

          Do not replace the MFP board and the printer control board with new ones at the same time.

          When replacing the MFP board, in order to make the existing counter data become available in the new board, be sure to back up the counter data following the replacement procedure below.

          When the MFP board is replaced, upgrade the firmware to the latest version.

          Your best chance will be to return original MFP and call a tech to find why toner isn't recognized.
          A tree is known by its fruit, a man by his deeds. A good deed is never lost, he who sows courtesy, reaps friendship, and he who plants kindness gathers love.
          Blessed are they who can laugh at themselves, for they shall never cease to be amused.

            Comment

            • Justin_sane
              Junior Member
              • Jul 2019
              • 6
              #4
              Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

              I didn't replace both boards at the same time, and swapped the chip to the new control board as per Konica instruction and per the service manual. I am a tech, though very fresh to the field. Could you outline the procedure you'd follow to swap the control board out?

              Sent from my SM-N910V using Tapatalk

                Comment

                • Justin_sane
                  Junior Member
                  • Jul 2019
                  • 6
                  #5
                  Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                  I guess I wasn't clear, I have only changed the one prj term control board, I have just tried multiple boards. But they sent HYTEC boards that I believe are repaired, and Konica service had said to go with an OEM board instead of one of those. Do you not think it will fix it, like have I screwed the pooch, so to speak?

                  Sent from my SM-N910V using Tapatalk

                    Comment

                    • blackcat4866
                      Master Of The Obvious

                      Site Contributor
                      10,000+ Posts
                      • Jul 2007
                      • 22698
                      #6
                      Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                      Originally posted by Justin_sane
                      I guess I wasn't clear, I have only changed the one prj term control board, I have just tried multiple boards. But they sent HYTEC boards that I believe are repaired, and Konica service had said to go with an OEM board instead of one of those. Do you not think it will fix it, like have I screwed the pooch, so to speak?

                      Sent from my SM-N910V using Tapatalk
                      I still don't see the word firmware in your post. Are you ignoring tbservice and hoping we won't notice?

                      We've been doing this a long time, and when somebody doesn't answer a question it trips my bullshit meter. Customers lie to me all the time, so I have a pretty good idea what it sounds like.

                      Don't get me wrong. I don't mind when people lie to me. But you won't ever see me repeating myself. =^..^=
                      If you'd like a serious answer to your request:
                      1) demonstrate that you've read the manual
                      2) demonstrate that you made some attempt to fix it.
                      3) if you're going to ask about jams include the jam code.
                      4) if you're going to ask about an error code include the error code.
                      5) You are the person onsite. Only you can make observations.

                      blackcat: Master Of The Obvious =^..^=

                        Comment

                        • Woxner
                          Senior Tech

                          500+ Posts
                          • Jul 2011
                          • 808
                          #7
                          Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                          your problem is you did not follow the back up procedure before you changed the board. read the manual...... there is a soft sw you have to do to back it up otherwise you get the symptoms you have

                            Comment

                            • Justin_sane
                              Junior Member
                              • Jul 2019
                              • 6
                              #8
                              Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                              No I'm not a customer, and I took this call on, and described it as I had known. It may be as you describe, but yes, I thought I HAD answered your question when I said I was a tech, who followed the service manual. But I'll figure it out, thanks anyway.

                              Sent from my SM-N910V using Tapatalk

                                Comment

                                • Woxner
                                  Senior Tech

                                  500+ Posts
                                  • Jul 2011
                                  • 808
                                  #9
                                  Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                                  good to know. i was not trying to be rude or suggest you were not a tech. i have techs who just dive in then call me later. guess typing does not always sound right.

                                    Comment

                                    • copyman
                                      Owner / Technician

                                      Site Contributor
                                      2,500+ Posts
                                      • Sep 2005
                                      • 4213
                                      #10
                                      Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                                      Dude no one here is trying to scare you away. We may seem defensive because so may end users try and pull the wool over our eyes.

                                      Anyway since you said you did everything by the manual like Wox said had to be done than I'm lost. I thought for sure you were going to say you didn't do the backup procedure. It sounds like you did everything right. Not sure if there a firmware reset tool for that model. But just to be clear did you do F/W update? Even if it has the latest F/W

                                        Comment

                                        • Phil B.
                                          Field Supervisor

                                          10,000+ Posts
                                          • Jul 2016
                                          • 22808
                                          #11
                                          Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                                          far too many times we hear:

                                          I am a tech and have the service manual...

                                          and more times than NOT we see they DIDN'T follow set procedures in the manual

                                          +1 to BC

                                            Comment

                                            • blackcat4866
                                              Master Of The Obvious

                                              Site Contributor
                                              10,000+ Posts
                                              • Jul 2007
                                              • 22698
                                              #12
                                              Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                                              Originally posted by Justin_sane
                                              I didn't replace both boards at the same time, and swapped the chip to the new control board as per Konica instruction and per the service manual...
                                              If I were to make a guess, I'd say this is exactly what you did: You swapped the chip, installed the board then scratched your head when it didn't boot up. Then you opened the manual and didn't much understand any of it. Then you assumed that the board was bad so you ordered another.

                                              You said nothing about backups or firmware, so I'm going to assume that you don't have firmware or don't know how to do it. If you had done firmware you would have said that it loaded properly and known what level of firmware you used.

                                              We will not hold it against you if you don't know how to do something, but obfuscating and hiding your ignorance only delays getting to the solution.

                                              I like your username "Justin_sane" =^..^=
                                              If you'd like a serious answer to your request:
                                              1) demonstrate that you've read the manual
                                              2) demonstrate that you made some attempt to fix it.
                                              3) if you're going to ask about jams include the jam code.
                                              4) if you're going to ask about an error code include the error code.
                                              5) You are the person onsite. Only you can make observations.

                                              blackcat: Master Of The Obvious =^..^=

                                                Comment

                                                • Justin_sane
                                                  Junior Member
                                                  • Jul 2019
                                                  • 6
                                                  #13
                                                  Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                                                  There is no obfucation. The chip as far as I know, has been backed up. I followed the procedure used in the enhanced securities pub. As for firmware, it is up to date, release 7. As I said, I took on this machine from another tech, I am in training, and was told to just swap out the board. However, I have gone in and followed backup procedures, and double checked everything is as it should be, and still nothing but the column screen. I have no problems admitting when I don't know something, as in regards to this it's pretty much everything. However, what I don't appreciate is coming on a forum and immediately being called a liar when I am trying to answer everything as best as I can with my 28 literal days on the job.

                                                  Sent from my SM-N910V using Tapatalk

                                                    Comment

                                                    • copyrooks
                                                      Trusted Tech

                                                      Site Contributor
                                                      100+ Posts
                                                      • Oct 2013
                                                      • 205
                                                      #14
                                                      Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                                                      Try Taking out the HDD and see if it boots and gives you a HDD error code. If it does i'd say either replace HDD or if not able see if you can format and see if it will boot up again. Not the exact same copier but with BH 4050s i've had issues where Konica says to replace MFP when stuck on pillars, when the issues turned out to be the HDD. The software seems to work very similar to the c3850 so i'd give that a try. Also Keep at it and keep trying i've been the the same boat where I would rely on answers from this forum for help as my boss would say the usual check your manual and call Konica. Good luck

                                                        Comment

                                                        • emujo2
                                                          Service Manager

                                                          1,000+ Posts
                                                          • Mar 2017
                                                          • 1580
                                                          #15
                                                          Re: Bizhub c3850 print control board replaced, will not boot past column screen. Need

                                                          I would only add that moving forward, anytime you replace a board, start by loading/reloading f/w at 1st power up..KM likes to have 1 board for an entire family and the f/w makes the difference..You may want to start from the f/w selection screen to be sure you are installing the correct version. E

                                                            Comment

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