Page 78 of 88 FirstFirst ... 28687677787980 ... LastLast
Results 771 to 780 of 876

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

  1. #771

    Join Date
    Sep 2007
    Location
    Milan, Italy
    Posts
    448

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

    thank you Drew

  2. #772

    Join Date
    Jan 2013
    Location
    Madisonville, LA
    Posts
    2,412

    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
    Join Date
    Feb 2007
    Posts
    6,737

    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
    Join Date
    Feb 2007
    Posts
    6,737

    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.

  7. #777

    Join Date
    Dec 2020
    Location
    Cape Town, South Africa
    Posts
    3

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

    Dust L1840 Focus Unit

    I recently bought a Durst L1840 with a Durst CLS300 Head, it has a motorised baseboard and a motor for the head. There is also a motorised focus unit on the side of the head with a remote switch on a cable.
    Inside this focus unit there is a missing main gear.
    Does anyone have info or pictures of what it should look like?
    Regards

    ANTON ROBERT
    +27 83 457 1979
    mail@antonrobert.com

  8. #778
    ic-racer's Avatar
    Join Date
    Feb 2007
    Posts
    6,737

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

    Quote Originally Posted by Anton Robert View Post
    Dust L1840 Focus Unit

    I recently bought a Durst L1840 with a Durst CLS300 Head, it has a motorised baseboard and a motor for the head. There is also a motorised focus unit on the side of the head with a remote switch on a cable.
    Inside this focus unit there is a missing main gear.
    Does anyone have info or pictures of what it should look like?
    Your question reads like you have a L184. Do you have a Lamot 110 as in the picture?
    Click image for larger version. 

Name:	big_4.jpg 
Views:	22 
Size:	61.3 KB 
ID:	232545

  9. #779

    Join Date
    Dec 2020
    Location
    Cape Town, South Africa
    Posts
    3

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

    There is no Lamot 11O, or hand crank. The motors are at the back of the enlarger, one for the head and one for the baseboard that has a vacuum board.
    The lens focus motor is on the side of the unit, there is a gear missing that links the motor to the lens board.

    Click image for larger version. 

Name:	IMG_5783.jpg 
Views:	22 
Size:	56.2 KB 
ID:	232556
    Click image for larger version. 

Name:	IMG_5784 copy.jpg 
Views:	27 
Size:	65.7 KB 
ID:	232555
    Click image for larger version. 

Name:	IMG_5833.jpg 
Views:	24 
Size:	45.9 KB 
ID:	232557
    Click image for larger version. 

Name:	IMG_5785.jpg 
Views:	20 
Size:	53.7 KB 
ID:	232560
    Click image for larger version. 

Name:	IMG_5816.jpg 
Views:	19 
Size:	47.8 KB 
ID:	232561
    Click image for larger version. 

Name:	IMG_5835.jpg 
Views:	18 
Size:	58.4 KB 
ID:	232558
    Click image for larger version. 

Name:	IMG_5776.jpg 
Views:	15 
Size:	66.3 KB 
ID:	232559
    Regards

    ANTON ROBERT
    +27 83 457 1979
    mail@antonrobert.com

  10. #780
    ic-racer's Avatar
    Join Date
    Feb 2007
    Posts
    6,737

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

    Ok thank you for the picture. Looks like a Durst L1800. Having one of the gears will allow you to figure the pitch and physical width. Knowing the shaft centers will give the diameter of the new gear. You should be able to have one CNC or 3d printed.

Similar Threads

  1. 8X10 ENLARGER
    By ric YAMA in forum Resources
    Replies: 7
    Last Post: 28-Mar-2011, 12:26
  2. 8x10 Enlarger...HELP please talk me out of it!!
    By ic-racer in forum Darkroom: Equipment
    Replies: 92
    Last Post: 18-Feb-2008, 07:09
  3. cold light head for durst 8x10
    By Herb Cunningham in forum Darkroom: Equipment
    Replies: 5
    Last Post: 12-Sep-2007, 10:05
  4. Durst 184 8x10 enlarger
    By David Michael Bigeleisen in forum Darkroom: Equipment
    Replies: 4
    Last Post: 27-Jul-2007, 06:29
  5. Fotar 8x10 Enlarger used horizontally?
    By Eric_6227 in forum Darkroom: Equipment
    Replies: 6
    Last Post: 22-Apr-2006, 13:02

Bookmarks

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •