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Thread: MP8001 SC551

  1. #1
    Field Supervisor 2,500+ Posts
    MP8001 SC551

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    MP8001 SC551

    Very intermittant but always the same code. Problem since install, now has about 50K on it now. Last time I was there I replaced both heat lamps, u-fuser roll and bushings, both thermistors (0131 and 0132) brackets, stats. Update the firmware to Eng P Sys D ADF H. Installed a line filer.
    Previously the BCU was replaced.
    I havent made any temp adjustment yet because it isnt overheating, in fact it seems just the opposite.
    This time it lasted 2 weeks.
    It is on a dedicated power line but of course, I dont know if there are any sags.
    Looks like they took the Phase/on-off adjustment off of this model (1104) or I would try that.
    Anything?


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  2. #2
    Service Manager 2,500+ Posts TonerMunkeh's Avatar
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    Apparently there are modified thermistor brackets, D062 4196 and 4197. Coupled with updated firmware to latest levels cures this so I've heard. Also try turning on fuser idling (SP1908), set SP1107-003/004 to 120 and set the energy saver timer to 240. Can't hurt to try!

    Computers are serious tools, Michael!

  3. #3
    Field Supervisor 2,500+ Posts
    MP8001 SC551

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    1103?


    You never realize how cheap a professional is until after you let an amateur do it.
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  4. #4
    Service Manager 2,500+ Posts TonerMunkeh's Avatar
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    Sorry, I was mid-edit

    Computers are serious tools, Michael!

  5. #5
    Field Supervisor 2,500+ Posts
    MP8001 SC551

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    Looks like 1908 is for the 90 only. It has the new brackets. Idling is worth the try.


    You never realize how cheap a professional is until after you let an amateur do it.
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  6. #6
    Technician withnail's Avatar
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    This should save you some work

    Brackets are a waste of time, this fault is probably due to a build up of toner getting under the rear thermistor.
    The thermistors on this range are a lot thinner and lighter than older models so suffer with this issue.

    If you fit the AF2045 type thermistor (AW100052) you'll reduce this problem as its heavier and wider.

    The centre thermistor has a 3 pin connector so you have to extract the pins and fit them into the existing connector, the rear one will fit ok.

    Clean the fuser strippers and thermistors on every visit, that should help.

    Shame you changed all those parts originally, there goes your bonus!


  7. #7
    Passing Duplication Xpert 1,000+ Posts cobiray's Avatar
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    There are updated thermistors and a firmware update as well. PM me your address and I'll send you the info I got from our rep.

    the savin2535 is displaying well bet the hiter lamp is not shining and the lamp had been tested o.k.please kindly help.
    Samir: No, not again. I... why does it say paper jam when there is no paper jam? I swear to God, one of these days, I just kick this piece of shit out the window.
    Michael Bolton: You and me both, man. That thing is lucky I'm not armed.

  8. #8
    Senior Tech 100+ Posts spaceman99's Avatar
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    you may wish to check thsi link on earlier this month, Sc551 555 541
    http://www.copytechnet.com/forums/ri...ser-codes.html

    good luck


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