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Thread: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

  1. #771

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    Sep 2007
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    thank you Drew

  2. #772

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    Jan 2013
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    Madisonville, LA
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Quote Originally Posted by Andrea Gazzoni View Post
    Not sure what's the best way to mount shorter focal lenses such as 105mm or 80mm. It looks like for 50-80mm you use the Laratub recessed lensboard, while for 100-105mm you can mount the lens on the right Lapla which can go into a Unipla or a Tripla. How easy is to focus a 100mm lens without a recessed lensboards? I can't try it now on my enlarger which is in deep storage, but can imagine some bellows compression. Not planning to use the L184 for anything smaller than 6x7 though. Any experience? thanks
    Or you could use a Laratub N which is what I use on the 138 head, or use a longer lens.
    Last edited by Luis-F-S; 18-Feb-2022 at 10:23.

  3. #773

    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Hello,

    I have a problem with my Durst 1840 : When I press the controls to raise or lower the enlarger head, I hear a very slight noise at the control panel but the head does not move... (the control of the lens plate works perfectly).

    Is the problem mechanical or electronic?

    If the problem is electronic: will it be solved by changing the height adjustment card?

    If the problem is mechanical: is it possible to modify the enlarger so that the head movement is manual (like on a durst 184)?

    (message translated by deepl, sorry for the imperfections)

    Thanks in advance

    François Besson

  4. #774
    ic-racer's Avatar
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    Feb 2007
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    The motor is under the top cap. You can check for voltage up there, realizing the motor is on all the time, but locked not moving if the buttons are not pressed.

  5. #775

    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Thank you for your answer.

    I will do what you suggest in July when I am back in my lab.

    The absence of voltage at the motor level would mean the failure of the electronic board. Is it possible to replace it ? or to modify the enlarger so that the movement of the head is manual (like on a durst 184) ?

    François

  6. #776
    ic-racer's Avatar
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    Re: Durst L1840 Enlarger 8x10 10x10--Everything you wanted to know...

    Quote Originally Posted by François Besson View Post
    Thank you for your answer.

    I will do what you suggest in July when I am back in my lab.

    The absence of voltage at the motor level would mean the failure of the electronic board. Is it possible to replace it ? or to modify the enlarger so that the movement of the head is manual (like on a durst 184) ?

    François
    Finding a new electronic board might be difficult and might only come in a replacement entire power supply. Repairing the existing board will require a lot of skill and experience with electrical circuits. The schematic and repair manual are available.

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