458e Konica

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  • hemai2005
    Professional Print
    100+ Posts
    • Jan 2010
    • 108

    [Error Code] 458e Konica

    Hi guys, dose anyone solve this error before in Konica minolta 458e (C-40A1), its related to (Mechanical controller sub-CPU communication error)
    action taken according to SM (2) Procedures:-1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord,
    and turn ON the main power switch.
    2. Rewrite the firmware.
    3. machine accepted FW but stopped at 10% at printer/scanner section (NG)
    4. I replaced MFPB but the same issue in the same stage.
    does anyone have idea about that please.
    Thanks.
    sigpic
    Learned a lot will become an expert
  • Albonline
    Service Manager
    1,000+ Posts
    • Sep 2008
    • 1056

    #2
    Re: 458e Konica

    Originally posted by hemai2005
    Hi guys, dose anyone solve this error before in Konica minolta 458e (C-40A1), its related to (Mechanical controller sub-CPU communication error)
    action taken according to SM (2) Procedures:-1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord,
    and turn ON the main power switch.
    2. Rewrite the firmware.
    3. machine accepted FW but stopped at 10% at printer/scanner section (NG)
    4. I replaced MFPB but the same issue in the same stage.
    does anyone have idea about that please.
    Thanks.
    try the expansion control board pwb-ex

    Comment

    • hemai2005
      Professional Print
      100+ Posts
      • Jan 2010
      • 108

      #3
      Re: 458e Konica

      what do you mean please ? eMMc ?
      sigpic
      Learned a lot will become an expert

      Comment

      • Albonline
        Service Manager
        1,000+ Posts
        • Sep 2008
        • 1056

        #4
        Re: 458e Konica

        Originally posted by hemai2005
        what do you mean please ? eMMc ?
        look at wiring diagram its called pwbex , like a printer driver board. loads that the smaller 8 series unit dont have, are fed by it.

        Comment

        • Guy Milner
          Technician
          50+ Posts
          • Nov 2013
          • 61

          #5
          Re: 458e Konica

          Have exactly the same on a C368. Replaced MFP PWB - same error. Original MFP PWB put back on with a new emmc PWB - same error? No answers, as yet?

          Comment

          • tsbservice
            Field tech
            Site Contributor
            5,000+ Posts
            • May 2007
            • 7387

            #6
            Re: 458e Konica

            Originally posted by Albonline
            try the expansion control board pwb-ex
            I think you meant EXCB.
            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

            • Lone2099

              #7
              Re: 458e Konica

              Originally posted by tsbservice
              I think you meant EXCB.

              Does anyone know if after the EXCB was changed, the problem was corrected?

              Comment

              • hemai2005
                Professional Print
                100+ Posts
                • Jan 2010
                • 108

                #8
                Re: 458e Konica

                Originally posted by Lone2099
                Does anyone know if after the EXCB was changed, the problem was corrected?
                Sorry, I forget to submit the solution which wasn't related to any boards, we replaced MFPB, we tried and tried and we found in the end something crazy 😄 Just remove the tray 1,2 you'll find the holder with the sensor behind the tray out of the position or broken , corrected by replace it if broken or disconnect it until you replace it.. Thanks.
                sigpic
                Learned a lot will become an expert

                Comment

                • Zoran
                  Technician
                  • May 2013
                  • 44

                  #9
                  Re: 458e Konica

                  О n the same series of machine c308 I had an error on MFPB, ICP8E was interrupted.
                  viber_image_2023-06-27_00-08-14-377.jpgviber_image_2023-06-27_00-08-14-656.jpgviber_image_2023-06-27_00-09-54-573.jpg

                  Comment

                  • Markks
                    Trusted Tech
                    Site Contributor
                    250+ Posts
                    • Feb 2018
                    • 412

                    #10
                    Re: 458e Konica

                    Originally posted by hemai2005
                    Hi guys, dose anyone solve this error before in Konica minolta 458e (C-40A1), its related to (Mechanical controller sub-CPU communication error)
                    action taken according to SM (2) Procedures:-1. Turn OFF the main power switch, disconnect and then connect the power cord. Wait for 10 sec. or more after connect the power cord,
                    and turn ON the main power switch.
                    2. Rewrite the firmware.
                    3. machine accepted FW but stopped at 10% at printer/scanner section (NG)
                    4. I replaced MFPB but the same issue in the same stage.
                    does anyone have idea about that please.
                    Thanks.

                    C40A1
                    Known Error
                    ID: KBA00057157
                    Related Products:bizhub C458,bizhub 308e,bizhub 368e,bizhub 458e,bizhub 558e,bizhub 658e,bizhub C258,bizhub C308,bizhub C368,bizhub C558,bizhub C658,MFX-C2590,MFX-C3090,MFX-C3690,MFX-C4590,MFX-C5590
                    Related Options:


                    Error
                    C40A1 at power up Service manual describes it as a Communication Error in the CPU

                    Root Cause
                    Workaround/Fix
                    Check condition and installation of both FDPSB 1 and 2 photointerrupters, holders, and connectors.

                    Replace components as necessary:
                    1. FDPSB/1 or FDPSB/2, p/n A161M50600
                    2. Holder for FDPSB/1 or FDPSB/2, p/n A5C16728000


                    Comment

                    • Catalin
                      Junior Member
                      • Jun 2018
                      • 1

                      #11
                      Re: 458e Konica

                      Konica Minolta C258 error C-40A.
                      Hello, I found in tray 2, the sensor was short-circuited, which led to the interruption of the ICP8E resistor. After eliminating the short circuit, I made a bridge in place of the interrupted resistance ICP8E, the result is that now the copier works perfectly. I hope it helps.








                      Comment

                      • tsbservice
                        Field tech
                        Site Contributor
                        5,000+ Posts
                        • May 2007
                        • 7387

                        #12
                        Re: 458e Konica

                        Originally posted by Catalin
                        Konica Minolta C258 error C-40A.
                        Hello, I found in tray 2, the sensor was short-circuited, which led to the interruption of the ICP8E resistor. After eliminating the short circuit, I made a bridge in place of the interrupted resistance ICP8E, the result is that now the copier works perfectly. I hope it helps.








                        Good job and thank you for sharing
                        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

                        • Zesti
                          Trusted Tech
                          250+ Posts
                          • Jun 2009
                          • 300

                          #13
                          Re: 458e Konica

                          Originally posted by hemai2005
                          Sorry, I forget to submit the solution which wasn't related to any boards, we replaced MFPB, we tried and tried and we found in the end something crazy 😄 Just remove the tray 1,2 you'll find the holder with the sensor behind the tray out of the position or broken , corrected by replace it if broken or disconnect it until you replace it.. Thanks.
                          This 458e returned to customer after routine customer, at remote location. 40A1 kicked in. checked this thread, asked customer to pull oout both trays, Tray 2 was culprit... Thanks otherwise it was ahell of job as customer site is too far away.

                          Comment

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