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  1. #51
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    Re: MP6500 / 6000 / 6001 etc Fuser codes

    Got some information today: There's a problem with the construction of the fuserlamps. The temp difference between rear and center gives SC542. Let's wait and see if Ricoh replaces the lamps or allows a greater tolerance between rear and center trough new firmware.


  2. #52
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    Re: MP6500 / 6000 / 6001 etc Fuser codes

    Had luck on a 7000 with shimming fuser connecter with one plastic e clip behind each screw. and changing sp3901 refer to a ricoh bulletin. first you must install the 0131 and 0132 thermisters


  3. #53
    Technician racer42's Avatar
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    Re: MP6500 / 6000 / 6001 etc Fuser codes

    Have a MP9001 with 650K on it. Started codes 545 first thing in the morning on Power up. Reset it and works fine the rest of the day. New t-misters,(center one is a non-contact) Heat roll, washers in the connector, new lamps. It's a 208-220V machine and the voltage at the wall is 202-203V. Firmware is updated. Put in a lot of the SPmode fixes in. Book says +-10% on the wall voltage. The math works. but the machine don't. Book sez 545 is:
    After hot roller reaches warmuptemperature, the fusing lampsremained on at full capacity for11 samplings (1.8 s. duration)while the hot roller was not
    rotating.

    Thermistor damaged, or out of
    position
    Fusing lamp disconnected


    Overtemp from a disconnected lamp?


    There I was, 20.000ft. surrounded by commies, no fuel, shot to hell, cockpit panel fire, in an inverted tailspin, and I had to pee...

  4. #54
    Field Supervisor 2,500+ Posts
    MP6500 / 6000 / 6001 etc Fuser codes

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    Re: MP6500 / 6000 / 6001 etc Fuser codes

    It can happen in cold rooms, takes too long to warm up. If nothing else, ask the operator to turn in on in the am, count to 5 and turn it off. Then turn it on again and the prewarm may take care of it. Not too sure of the time before the code kicks in. May also be a PSU but that is remote


    You never realize how cheap a professional is until after you let an amateur do it.
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  5. #55
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    Re: MP6500 / 6000 / 6001 etc Fuser codes

    In the past we had some trouble with the center thermistor. (martini c1)
    Damp or moist gave us some real shit, after repacing thermistor no more problems.


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