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Type: Posts; User: DaveMcKay

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  1. Replies
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    2,979

    It's not the mylar seals that is the problem, ...

    It's not the mylar seals that is the problem, it's the developer unit/ drum spacer on the rear shaft of the mag. roller. The rear spacer only gets wallowed out (inside diameter) from dev. mix...
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    1,214

    That manual is really inadequate. I'd get a...

    That manual is really inadequate. I'd get a Konica 7075 manual which specifically implies a problem with the top feeder's reversal sensor, PS309 as the possible source of the code. Check the...
  3. Thread: Bizhub 423

    by DaveMcKay
    Replies
    2
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    992

    Why? What's the count on the PC module and the...

    Why? What's the count on the PC module and the condition of the transfer roller. Why not just raise the exposure in the management adjustments, if you're trying to obtain denser fills?

    energy...
  4. Thread: 7155

    by DaveMcKay
    Replies
    2
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    1,025

    Remove the brown plastic drum carriage cover...

    Remove the brown plastic drum carriage cover (three mount screws that stay with the cover). Remove the drum coupling screw (long, with washer). Remove the two mount screws at the top of the drum...
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    1,133

    Try FKM Toshiba, Irvine CA, (800)888-2968, ask...

    Try FKM Toshiba, Irvine CA, (800)888-2968, ask for Gayle Prevost. Get the two one-way gears in the reversing section too.

    energy independence
  6. Replies
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    1,235

    Or, reset the PC life count and run the F8...

    Or, reset the PC life count and run the F8 routine, without installing anything, if the PC unit has less than 130K on it. If you don't run F8 immediately upon zeroing the drum count, you always...
  7. Replies
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    1,263

    These codes are indicative that your develper mix...

    These codes are indicative that your develper mix does not have the proper ratio of toner to substrate. When changing developer, you must perform the "L-Detect" auto adjustment before making any...
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    1,007

    Loosen the set screw on the back little "tooth",...

    Loosen the set screw on the back little "tooth", on that guide shaft you refered to, push the tooth down on the shaft, and while holding it as close to the shaft as possible, retighten the mount. ...
  9. Replies
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    1,255

    This code indicates your toner supply motor is...

    This code indicates your toner supply motor is having difficulty, or the toner supply homing sensor is dirty or faulty, or your printer control board has a failing component.

    energy...
  10. Replies
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    2,816

    This is a code for the top center thermistor of...

    This is a code for the top center thermistor of the fuser unit. That should be a thermistor that doesn't rest in contact with the drum so it's unlikely that it needs just cleaning. Possibly, just...
  11. Replies
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    1,107

    This is a pure Konica design. To access the PM...

    This is a pure Konica design. To access the PM reset, enter the "25" (holding 2 and 5 on the keyboard while powering up), select PM counter, or something like that, do reset or cycle set.
    ...
  12. Replies
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    1,788

    One more thng, I think helped, I put something...

    One more thng, I think helped, I put something in the filter sock, behind the dev. unit, to keep it open. They tend to collapse and you find that only the front inch of the sock is catching toner....
  13. Replies
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    1,788

    Also, the HV2 unit is vulnerable. You can test...

    Also, the HV2 unit is vulnerable. You can test the output of the HV feed at the AD driver board (40V. or something, with lower than 10% variance) under job load. If that current's steady, the HV...
  14. Replies
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    1,788

    Good info. Didn't know you could disable auto...

    Good info. Didn't know you could disable auto currents. Reflash? I always keep the "toner density of developer" (23-2,3) on minimum, "toner concentration threshhold (5-0,1) down" ("25" mode softw),...
  15. Replies
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    1,179

    Write unit is specific to the 7165 (no 7255's, no...

    Write unit is specific to the 7165 (no 7255's, no 7155's)

    energy independence
  16. Replies
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    1,179

    how bout the TCSB (DMax) board? energy...

    how bout the TCSB (DMax) board?

    energy independence
  17. Replies
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    1,899

    Replace the write unit. Some folks fool around...

    Replace the write unit. Some folks fool around with cleaning and "lubing the poly mirror. I wouldn't. The p.n. for this laser unit complete is 40LA-6500 and suggested lists for $548.74. With...
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    Go to machine "inputs" in your adjustment...

    Go to machine "inputs" in your adjustment programs ("47" mode), enter 60 as your check address, enter 9 as the input item (this is to check MS301, your ADF cover interlock sensor), there should...
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    2,813

    I wouldn't ever add toner to the mix. It's too...

    I wouldn't ever add toner to the mix. It's too specific a recipe to get right just by sight. Don't know if the ADTC is part of the PC unit on this model, but I'd pull the toner hopper to see if...
  20. Replies
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    1,158

    Might have a fatigued document feeder/ main CB...

    Might have a fatigued document feeder/ main CB cable, or a loose connection on the RADF control board, or need to upgrade the machine's firmware.

    energy independence
  21. Thread: Konica 2223

    by DaveMcKay
    Replies
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    1,318

    Yeah, right, on this one, if you're changing...

    Yeah, right, on this one, if you're changing developer, you do have to do the "L-detect", mix ratio, auto routine.

    energy independence
  22. Replies
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    1,059

    Try scouring your separation (and transfer)...

    Try scouring your separation (and transfer) corona wires with a little chunk of 3M green scouring pad, lubricated with a drop of isopropyl. I've had this problem on one of my units in a humidity...
  23. Thread: Konica 2223

    by DaveMcKay
    Replies
    3
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    1,318

    In the "47" mode, enter 9 and 1 then activate...

    In the "47" mode, enter 9 and 1 then activate the "print" key, then reset to operational mode. This resets the drum counter and the drum current values.

    energy independence
  24. Replies
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    Might try replacing the IU also, reset its'...

    Might try replacing the IU also, reset its' count. Can be trouble when you don't replace drum and developer together. Clean all fixed drum unit contacts, redo F8.

    energy independence
  25. Replies
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    Thought I'd replied to this post, but I guess I...

    Thought I'd replied to this post, but I guess I replied to a P.M. Since this forum doesn't verify whether a P.M. has been sent, and I haven't gotten any other feedback, I'll tell you everything...
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