Bizhub C452.. No network

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  • Zesti
    Trusted Tech

    250+ Posts
    • Jun 2009
    • 308
    #1

    Bizhub C452.. No network

    I know many of you would have think WTF.... Got this C452 with a bad MFP board.... Had a complete set of boards from a dumped C452 and tried to salvage it for a pay per click job..... Made some mistake in putting boards but succeeded in make in working condition. Later noticed that the network is not functioning...no network port LEDs blinking... tried to flash NVRAM and it was not showing network reset option.. flashed with firmware C452_C552_C652_A0P00Y0-F000-GC6-C5 and the network was working fine...actually did some scanning... few hours later turned machine on to finalize and the network is not working again.... no LED's connection.... Any advice pl????
    The network menu in Admin mode is showing and taking all settings...no ping from and to PC...
    Tags: c452, leds, network, showing, working
    • srvctec
      Former KM Senior Tech

      500+ Posts
      • Oct 2009
      • 827
      #2
      Re: Bizhub C452.. No network

      Do a clear all data in service mode. I've seen that fix this very problem on 4/4e machines but haven't tried it on older ones yet. Got that idea hear on CTN a couple years ago.
      Started in the copier service business in the fall of 1988 and worked at the same company for 33.5 years, becoming the senior tech in 2004 but left to pursue another career on 4/29/22.

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        • emujo2
          Service Manager

          1,000+ Posts
          • Mar 2017
          • 1580
          #3
          Re: Bizhub C452.. No network

          NICs are usually good or bad..not intermittent. I can offer a couple of sugessitons..1. if there is a battery backup on the MFP board replace it..2. In admin/network TCP, turn TCP off, cycle power, the TCP back on, cycle power. This will do a NIC reset (at some level). 3. take the NIC off auto negotiate and set it to 100M full duplex. 4 ensure you are using a cat 6 or 6a cable, CAT 7 or 8 might not work on such an old card.

          Also, is there any sign of connectivity on the other end of the cable? (laptop, desktop, tester ect..) E

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            • Zesti
              Trusted Tech

              250+ Posts
              • Jun 2009
              • 308
              #4
              Re: Bizhub C452.. No network

              Couldn't figure out what happened, working fine now.....may be port was stuck or what, the network cable in use is permanently used to connect test copiers and still working with other copiers....But it did started working after reflashing FW....

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