Bizhub 750:Please wait

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  • Copper
    • Jun 2025
    #1

    Bizhub 750:Please wait

    A new m/c +/- 13k copies,started with please wait warming up.Cleaned TDS sensors,no joy replaced TSD,drum,developer and dev tanks, nada. Have replaced system PCB & Optics PCB,still nothing.will check door switches in the am and power supplies.This one is gonna make me gaga,will really apreciate any suggestions!
    Tags: 750please, bizhub, bizhub 750, dirt, gamma, tds, wait, wait warming up
    • RockETop
      Curmudgeon at large

      100+ Posts
      • Apr 2007
      • 171
      #2
      Originally posted by Copper
      A new m/c +/- 13k copies,started with please wait warming up.Cleaned TDS sensors,no joy replaced TSD,drum,developer and dev tanks, nada. Have replaced system PCB & Optics PCB,still nothing.will check door switches in the am and power supplies.This one is gonna make me gaga,will really apreciate any suggestions!

      Try the LVPS. Can you get far enough to get any codes?

        Comment

        • Downunder
          Trusted Tech

          100+ Posts
          • Aug 2007
          • 174
          #3
          Could be the flash cards. Either try updating firmware through the back-door (turn copier off, turn back on while holding utility key down, press trouble reset, then go straight into tech mode.) Also can try leaving the copier off over night and let all the capacitors discharge and then try in the morning. Don't laugh - has worked on a few occasions.

            Comment

            • Lanimal
              #4
              Bizhub 750 Please Wait

              Look in the Errorcodelist, (Tech Rep Mode) There may be some dirt on the Gamma Sensor. Good Luck

                Comment

                • chand226
                  Technician
                  • May 2013
                  • 38
                  #5
                  Re: Bizhub 750:Please wait

                  Originally posted by Copper
                  A new m/c +/- 13k copies,started with please wait warming up.Cleaned TDS sensors,no joy replaced TSD,drum,developer and dev tanks, nada. Have replaced system PCB & Optics PCB,still nothing.will check door switches in the am and power supplies.This one is gonna make me gaga,will really apreciate any suggestions!

                  no need of to change any firmware and drum.

                  i have 200% correct formula for this copier (biz600/750/ di7210/7272). no toner on corona, no warming up, pleasewait.
                  contact me at chand226@gmail.com

                    Comment

                    • chand226
                      Technician
                      • May 2013
                      • 38
                      #6
                      Re: Bizhub 750:Please wait

                      Originally posted by Downunder
                      Could be the flash cards. Either try updating firmware through the back-door (turn copier off, turn back on while holding utility key down, press trouble reset, then go straight into tech mode.) Also can try leaving the copier off over night and let all the capacitors discharge and then try in the morning. Don't laugh - has worked on a few occasions.

                      no need of to change any firmware and drum.

                      i have 200% correct formula for this copier (biz600/750/ di7210/7272). no toner on corona, no warming up, pleasewait.
                      contact me at chand226@gmail.com

                        Comment

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