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Thread: DPL users/owners of Howtek/Aztek scanners

  1. #21
    A.K.A Lucky Bloke ;-)
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    DPL users/owners of Howtek/Aztek scanners

    Sandy,
    Some people mentioned in posts that the D4000 did not require grease in the lead screw while the rest of the scanners do. I would lubricate the lead screw, not matter which model, with a plastic/rubber safe grease. Aztek sells their recommended grease in their online store. I use (not a recommendation) a grease called Extreme Fluoro for the lead screw and the tailstock bearing, available in some bikes stores and online.

    Look first under the cover because sometimes the old grease dries and form almost a chunk of "Cheddar" that needs to be removed.

    For the rails check the nearest Lowes or online for "teflon silicone lubricant". It is also safe on rubber. Another is pure fluoro oil, also from Finish Line. But the most important part is to do it several times, cleaning the dirt from the rails, applying the lubricant, move the carriage to the right (using Test menu), repeat the operation on the left side, 3 or 4 times.

    Believe or not many owners are not aware how important is to keep the scanner lead screw, rails and bearings clean an lubricated. It not only shorten the life of the mechanical components because of rapid wearing. It also put a lot of stress in the electronic circuits driving the parts.

  2. #22

    Join Date
    Mar 2013
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    30

    Re: DPL users/owners of Howtek/Aztek scanners

    This information is most useful. I have the 4500 Service manual which specifically mentions lubricating the lead screws. One question I have is when you mention use teflon silicon lubricant on the rails, which component you are talking about. I did not see that in the service manual. Please help me out.Since these scanners are old and the service is next to impossible, it behooves us to keep them in good shape. Thanks once again
    Roger

  3. #23
    A.K.A Lucky Bloke ;-)
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    Re: DPL users/owners of Howtek/Aztek scanners

    Click image for larger version. 

Name:	ImageUploadedByTapatalk1401317183.130485.jpg 
Views:	73 
Size:	39.3 KB 
ID:	116021

  4. #24
    A.K.A Lucky Bloke ;-)
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    Re: DPL users/owners of Howtek/Aztek scanners

    Some images of the lubricants:

    Click image for larger version. 

Name:	big_Extreme_Fluoro_X00200101.jpg 
Views:	35 
Size:	17.9 KB 
ID:	116025 Click image for larger version. 

Name:	teflon-silicon.jpg 
Views:	39 
Size:	33.7 KB 
ID:	116026 Click image for larger version. 

Name:	stanchion fluoro oil.jpg 
Views:	39 
Size:	49.8 KB 
ID:	116027

  5. #25

    Join Date
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    Re: DPL users/owners of Howtek/Aztek scanners

    Thanks. I ordered the items from Amazon.
    Appreciate your help.

  6. #26
    A.K.A Lucky Bloke ;-)
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    Re: DPL users/owners of Howtek/Aztek scanners

    The bottle of the teflon silicone lubricant is clear so you will notice the teflon accumulated the bottom. Shake it a little before applying. I use a piece of old flannel to clean the rails but any soft fabric should do the job.

  7. #27

    Join Date
    Mar 2013
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    Re: DPL users/owners of Howtek/Aztek scanners

    Thanks once again. This would be my project for the weekend.

  8. #28

    Join Date
    Mar 2013
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    Re: DPL users/owners of Howtek/Aztek scanners

    Unfortunately I am missing Section 7 of Howtek 4500 Service Manual. Can somebody upload it please!

  9. #29
    Still Developing
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    Jul 2007
    Location
    Leeds, UK
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    579

    Re: DPL users/owners of Howtek/Aztek scanners

    I've a 4500 and use DPL Pro and Silverfast. I've done a lot of testing and have seen no advantage of using the pro software. I only ever use Wide Gamut Negative and Generic Chrome.

    For transparencies though I prefer to use Silverfast. It has a very nice balance of shadows and highlights and seems to get better focus more often.

    However for negatives, DPL is the biz using the Wide Gamut Negative and then inverting by hand in photoshop.

    I also operate a Heidelberg Primescan, Screen Cezanne Elite Pro and two Fuji Lanovias
    Still Developing at http://www.timparkin.co.uk and scanning at http://cheapdrumscanning.com

  10. #30

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    Re: DPL users/owners of Howtek/Aztek scanners

    Quote Originally Posted by timparkin View Post
    I've a 4500 and use DPL Pro and Silverfast. I've done a lot of testing and have seen no advantage of using the pro software. I only ever use Wide Gamut Negative and Generic Chrome.

    For transparencies though I prefer to use Silverfast. It has a very nice balance of shadows and highlights and seems to get better focus more often.

    However for negatives, DPL is the biz using the Wide Gamut Negative and then inverting by hand in photoshop.

    I also operate a Heidelberg Primescan, Screen Cezanne Elite Pro and two Fuji Lanovias
    Tim,

    Thanks for your comments on DPL Pro versus Silverfast. I have a Howtek 7500 that is working well with a MAC running OS 10.4 and Silverfast 6.6 and have been wondering if there would be any significant advantage switching to PC and DPL Pro. I scan primarily negatives, color and B&W, and am curious as to the advantage you see in DPL over Silverfast for negatives with Wide Gamut Negative and then inverting in Photoshop?

    Sandy
    http://www.sandykingphotography.com/
    For discussion and information about carbon transfer please visit the carbon group at Yahoo.
    https://groups.yahoo.com/neo/groups/...nTransfer/info

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