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Epson V750 Pro focus

Epson V750 Pro focus

2014-02-07 by <lestihor@...>

When scanning black and white 35 mm film with my Epson V750 Pro I found the focus not as sharp as expected. I tried scanning as colour positive, then inverted in CS3. Then in Channel Mixer I applied in turn various coloured filters. I found that the blue or green filters produced very sharp results, while the yellow, orange and red filters produced progressively poorer focus. Does this mean that the scanner is focusing the red, blue and green scans in different planes? If so, is this a defect or is it normal?


Les

Re: [Digital BW] Epson V750 Pro focus

2014-02-07 by Ernst Dinkla

On 07-02-14 05:19, lestihor@... wrote:
> When scanning black and white 35 mm film with my Epson V750 Pro I
> found the focus not as sharp as expected. I tried scanning as colour
>  positive, then inverted in CS3. Then in Channel Mixer I applied in
> turn various coloured filters. I found that the blue or green filters
> produced very sharp results, while the yellow, orange and red filters
> produced progressively poorer focus. Does this mean that the scanner
> is focusing the red, blue and green scans in different planes? If so,
> is this a defect or is it normal?
>
>
> Les
>

Most of this you will know. First of all the V750 has no active
focusing. You have to find its sweet spot by adjusting the height of the
film carriers. It could be that for the V750's two lenses there is a
difference in height so carriers normally used for the 150mm wide scan
path get a different tweak compared to the wide carriers like the wet
mounting type. The 35mm carrier is just covered by the smaller field lens.
You might use only the two center strips and cover the outside strips
with black paper if there is some gain in that. Doug Fisher's Betterscan
(wet mounting) carriers are easier to adjust for focus. I wet mount
films on both the Nikon 8000 and the V700 that I have. Doug has a link
to something I wrote on wet mounting years ago.
Harder to do with 35mm frames. I think the V750 is not really up to the
task of scanning 35mm frames anyway, The 8000 here is used for 35mm
scans and normally dry but difficult takes get a wet mount treatment.

My theory is that flatbeds like the V750 use the lens with a very small
stop so near/in diffraction to cover the width of the scan path with equal
resolution. That and resolving "grain" or better to reduce "aliased grain"
goes along with using shorter wave light, Blue or Green. However Green
light lies in the middle of the spectrum the lens should cover so one
may expect better performance there, whether the focusing results in a
plane field is harder to conclude, though wet mounted larger frames scans
suggest it is quite plane. Deconvolution sharpening like one can find
in the smart "lens" sharpening in PS or ACR does a better job to
recreate the original information of the take than other sharpening
routines. It will reduce the flaws of both optical systems, of the
scanner and of the camera.

I use Vuescan with all my scanners. It's B&W scan setting favors the
Green channel. My method with the Nikon 8000 B&W scanning goes further
than that. The RGB LEDs can be controlled with Vuescan that only the
Green or Blue LEDs are used. Both gave better resolution than the full
RGB LED method. Right now I use the Green LEDs, wet mount, Vuescan DNG
RAW export but negative reversed to positive, PS ACR import and the
deconvolution (lens) sharpening used there. Grain reduced with Neat
Image in PS afterwards.

There are narrow band Green or Blue CCFLs that fall in the sweet spot of
sensor sensitivity for Blue and Green. If I can lay my hand on a cheap
secondhand V700 or V750 there would be a good chance I would replace the
white CCFL in the scanner's lid. A very nice dedicated B&W MF to 8x10
film scanner could be made that way.

So Yes, Blue or Green channels can make a difference.


-- 
Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
January 2014, 600+ inkjet media white spectral plots.

RE: Epson V750 Pro focus

2014-02-07 by <ro@...>

Thank-you for this post. We've just started to scan our A. Aubrey Bodine color transparencies and we are using a V750Pro.

I have taken a brain-dead approach to my scanners since 2000 (1640XL and 10000XL), I have never tried to characterize scanner performance, so this analysis really piqued my interest.

Blue - image smears to right by 1 pixel

Green - sharpest

Orange - less sharp than G

Red - less sharp than O

Yellow - same as Orange

I guess it's time to read about calibration procedures.

Epson 4900 not printing VLM or LC

2014-02-07 by Arthur Fink Photo

I was away for a month, and my Epson 4900 sat idle.  I tried to print, but all I got were blank pages.  A nozzle check showed the same.  But one regular cleaning and one power cleaning cleared everything -- except VLM and LC.  I've run several power cleanings on just that pair, each a day apart, but still absolutely nothing.

Epson's response (by phone) is outrageous -- It needs a new print head and more . . . total cost about $2,000.  

But there must be a way to clear the head, the dampers, or whatever.

Not understanding the mechanism of this printer, I do think it interesting that two colors are blank, and that they are paired in the power cleaning process.

Any ideas about how to proceed -- short of giving in to Epson's crazy offer or buying a new printer?

The printer is, and has alway been, loaded only with Epson OEM inks.  I use QTR to print black and white on this printer, and Piezeography to print on smaller printers.

Thanks much,


Arthur


       Arthur Fink Photography  
   
   Pictures of dancers, weddings, births, fish, 
   and other subjects of interest and amusement
    
    Studio / Gallery in Portland, Maine, and also on Peaks Island          
    www.arthurfinkphoto.com af@... 207.615.5722

    Read, and comment on, my blog: www.InsightAndClarity.com

    Click on this link to join my e-mail list (via Constant Contact)
    for news about shows, art and spirit and creativity workshops,
    creativity coaching, wedding, birth, and event photography.

RE: [Digital BW] Epson 4900 not printing VLM or LC

2014-02-07 by Gary

Hello,

I have a similar problem. I have a two year old 4900 that I replaced the
head under warranty after 3 months due to clogging. Now the yellow nozzle
has not been working for the last two weeks and I am out of ideas on what to
do to fix it. There is lots of info on line concerning premature head
failure on the  Epson 900 series printers. Not sure what the solution is
other than disposing. Head replacement is not cost effective. The best
method I have found in the past for clearing nozzle clogs is soaking a paper
towel in Windex and placing it under the head for several hours or
overnight. This method has worked for me in the past for other clogs. If
others have ideas on how to fix my yellow please reply. 

Thanks,

Gary Wagner

www.garywagner.com
Show quoted textHide quoted text
From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Arthur
Fink Photo
Sent: Friday, February 07, 2014 7:19 AM
To: Digital B&W Print
Subject: [Digital BW] Epson 4900 not printing VLM or LC

 

  

I was away for a month, and my Epson 4900 sat idle.  I tried to print, but
all I got were blank pages.  A nozzle check showed the same.  But one
regular cleaning and one power cleaning cleared everything -- except VLM and
LC.  I've run several power cleanings on just that pair, each a day apart,
but still absolutely nothing.

 

Epson's response (by phone) is outrageous -- It needs a new print head and
more . . . total cost about $2,000.  

 

But there must be a way to clear the head, the dampers, or whatever.

 

Not understanding the mechanism of this printer, I do think it interesting
that two colors are blank, and that they are paired in the power cleaning
process.

 

Any ideas about how to proceed -- short of giving in to Epson's crazy offer
or buying a new printer?

 

The printer is, and has alway been, loaded only with Epson OEM inks.  I use
QTR to print black and white on this printer, and Piezeography to print on
smaller printers.

 

Thanks much,

 

 

Arthur

 

 

       Arthur Fink Photography  

   

   Pictures of dancers, weddings, births, fish, 

   and other subjects of interest and amusement

    

    Studio / Gallery in Portland, Maine, and also on Peaks Island          

    www.arthurfinkphoto.com <http://www.arthurfinkphoto.com/>
af@... 207.615.5722

 

    Read, and comment on, my blog:  <http://www.insightandclarity.com/>
www.InsightAndClarity.com

 

    Click on this link to
<http://visitor.constantcontact.com/manage/optin/ea?v=001RgvbKVLa7a7RR4E6BV8
sKw%3D%3D> join my e-mail list (via Constant Contact)

    for news about shows, art and spirit and creativity workshops,

    creativity coaching, wedding, birth, and event photography.

Re: [Digital BW] Epson 4900 not printing VLM or LC

2014-02-07 by Arthur Fink Photo

Can somebody give me (or point me toward) detail instructions about how to place a power towel (soaked with whatever) under the print head on a 4900?


Arthur


On Feb 7, 2014, at 10:38 AM, Gary <gary@garywagner.com> wrote:


Hello,

I have a similar problem. I have a two year old 4900 that I replaced the head under warranty after 3 months due to clogging. Now the yellow nozzle has not been working for the last two weeks and I am out of ideas on what to do to fix it. There is lots of info on line concerning premature head failure on the Epson 900 series printers. Not sure what the solution is other than disposing. Head replacement is not cost effective. The best method I have found in the past for clearing nozzle clogs is soaking a paper towel in Windex and placing it under the head for several hours or overnight. This method has worked for me in the past for other clogs. If others have ideas on how to fix my yellow please reply.

Thanks,

Gary Wagner

www.garywagner.com

From: DigitalBlackandWhiteThePrint@yahoogroups.com [mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Arthur Fink Photo
Sent: Friday, February 07, 2014 7:19 AM
To: Digital B&W Print
Subject: [Digital BW] Epson 4900 not printing VLM or LC

I was away for a month, and my Epson 4900 sat idle. I tried to print, but all I got were blank pages. A nozzle check showed the same. But one regular cleaning and one power cleaning cleared everything -- except VLM and LC. I've run several power cleanings on just that pair, each a day apart, but still absolutely nothing.

Epson's response (by phone) is outrageous -- It needs a new print head and more . . . total cost about $2,000.

But there must be a way to clear the head, the dampers, or whatever.

Not understanding the mechanism of this printer, I do think it interesting that two colors are blank, and that they are paired in the power cleaning process.

Any ideas about how to proceed -- short of giving in to Epson's crazy offer or buying a new printer?

The printer is, and has alway been, loaded only with Epson OEM inks. I use QTR to print black and white on this printer, and Piezeography to print on smaller printers.

Thanks much,

Arthur

Arthur Fink Photography

Pictures of dancers, weddings, births, fish,

and other subjects of interest and amusement

Studio / Gallery in Portland, Maine, and also on Peaks Island

Read, and comment on, my blog: www.InsightAndClarity.com

Click on this link to join my e-mail list (via Constant Contact)

for news about shows, art and spirit and creativity workshops,

creativity coaching, wedding, birth, and event photography.



Arthur Fink Photography

Pictures of dancers, weddings, births, fish,
and other subjects of interest and amusement

Studio / Gallery in Portland, Maine, and also on Peaks Island

Read, and comment on, my blog: www.InsightAndClarity.com

; Click on this link to join my e-mail list (via Constant Contact)
for news about shows, art and spirit and creativity workshops,
creativity coaching, wedding, birth, and event photography.




RE: [Digital BW] Epson 4900 not printing VLM or LC

2014-02-07 by Gary

Google 4900 paper towel.

Lots of posts.

 

Try this one.

http://www.nwpphotoforum.com/ubbthreads/ubbthreads.php?ubb=showflat
<http://www.nwpphotoforum.com/ubbthreads/ubbthreads.php?ubb=showflat&Number=
40109> &Number=40109

 

Gary Wagner
Show quoted textHide quoted text
From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Arthur
Fink Photo
Sent: Friday, February 07, 2014 8:01 AM
To: Digital B&W Print
Subject: Re: [Digital BW] Epson 4900 not printing VLM or LC

 

  

Can somebody give me (or point me toward) detail instructions about how to
place a power towel (soaked with whatever) under the print head on a 4900?

 

 

Arthur

 

 

On Feb 7, 2014, at 10:38 AM, Gary <gary@...> wrote:





  

 

Hello,

I have a similar problem. I have a two year old 4900 that I replaced the
head under warranty after 3 months due to clogging. Now the yellow nozzle
has not been working for the last two weeks and I am out of ideas on what to
do to fix it. There is lots of info on line concerning premature head
failure on the  Epson 900 series printers. Not sure what the solution is
other than disposing. Head replacement is not cost effective. The best
method I have found in the past for clearing nozzle clogs is soaking a paper
towel in Windex and placing it under the head for several hours or
overnight. This method has worked for me in the past for other clogs. If
others have ideas on how to fix my yellow please reply. 

Thanks,

Gary Wagner

www.garywagner.com

 

From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Arthur
Fink Photo
Sent: Friday, February 07, 2014 7:19 AM
To: Digital B&W Print
Subject: [Digital BW] Epson 4900 not printing VLM or LC

 

  

I was away for a month, and my Epson 4900 sat idle.  I tried to print, but
all I got were blank pages.  A nozzle check showed the same.  But one
regular cleaning and one power cleaning cleared everything -- except VLM and
LC.  I've run several power cleanings on just that pair, each a day apart,
but still absolutely nothing.

 

Epson's response (by phone) is outrageous -- It needs a new print head and
more . . . total cost about $2,000.  

 

But there must be a way to clear the head, the dampers, or whatever.

 

Not understanding the mechanism of this printer, I do think it interesting
that two colors are blank, and that they are paired in the power cleaning
process.

 

Any ideas about how to proceed -- short of giving in to Epson's crazy offer
or buying a new printer?

 

The printer is, and has alway been, loaded only with Epson OEM inks.  I use
QTR to print black and white on this printer, and Piezeography to print on
smaller printers.

 

Thanks much,

 

 

Arthur

 

 

       Arthur Fink Photography  

   

   Pictures of dancers, weddings, births, fish, 

   and other subjects of interest and amusement

    

    Studio / Gallery in Portland, Maine, and also on Peaks Island          

    www.arthurfinkphoto.com <http://www.arthurfinkphoto.com/>
af@... 207.615.5722

 

    Read, and comment on, my blog:  <http://www.insightandclarity.com/>
www.InsightAndClarity.com

 

    Click on this link to
<http://visitor.constantcontact.com/manage/optin/ea?v=001RgvbKVLa7a7RR4E6BV8
sKw%3D%3D> join my e-mail list (via Constant Contact)

    for news about shows, art and spirit and creativity workshops,

    creativity coaching, wedding, birth, and event photography.  

 

 

 

 

 

       Arthur Fink Photography  

   

   Pictures of dancers, weddings, births, fish, 

   and other subjects of interest and amusement

    

    Studio / Gallery in Portland, Maine, and also on Peaks Island          

    www.arthurfinkphoto.com <http://www.arthurfinkphoto.com/>
af@... 207.615.5722

 

    Read, and comment on, my blog:  <http://www.insightandclarity.com/>
www.InsightAndClarity.com

 

    Click on this link to
<http://visitor.constantcontact.com/manage/optin/ea?v=001RgvbKVLa7a7RR4E6BV8
sKw%3D%3D> join my e-mail list (via Constant Contact)

    for news about shows, art and spirit and creativity workshops,

    creativity coaching, wedding, birth, and event photography.

Re: [Digital BW] Epson 4900 not printing VLM or LC

2014-02-07 by Jere DeWaters

Check out Jon Cone's Inkjet Mall for various cleaning and maintenance for Epson printers.

From my iPed
Show quoted textHide quoted text
> On Feb 7, 2014, at 11:01 AM, Arthur Fink Photo <af@...> wrote:
> 
> Can somebody give me (or point me toward) detail instructions about how to place a power towel (soaked with whatever) under the print head on a 4900?
> 
> 
> 
> Arthur
> 
> 
>> On Feb 7, 2014, at 10:38 AM, Gary <gary@...> wrote:
>> 
>>  
>> 
>> Hello,
>> 
>> I have a similar problem. I have a two year old 4900 that I replaced the head under warranty after 3 months due to clogging. Now the yellow nozzle has not been working for the last two weeks and I am out of ideas on what to do to fix it. There is lots of info on line concerning premature head failure on the  Epson 900 series printers. Not sure what the solution is other than disposing. Head replacement is not cost effective. The best method I have found in the past for clearing nozzle clogs is soaking a paper towel in Windex and placing it under the head for several hours or overnight. This method has worked for me in the past for other clogs. If others have ideas on how to fix my yellow please reply.
>> 
>> Thanks,
>> 
>> Gary Wagner
>> 
>> www.garywagner.com
>> 
>>  
>> 
>> From: DigitalBlackandWhiteThePrint@yahoogroups.com [mailto:DigitalBlackandWhiteThePrint@...m] On Behalf Of Arthur Fink Photo
>> Sent: Friday, February 07, 2014 7:19 AM
>> To: Digital B&W Print
>> Subject: [Digital BW] Epson 4900 not printing VLM or LC
>> 
>>  
>> 
>>  
>> 
>> I was away for a month, and my Epson 4900 sat idle.  I tried to print, but all I got were blank pages.  A nozzle check showed the same.  But one regular cleaning and one power cleaning cleared everything -- except VLM and LC.  I've run several power cleanings on just that pair, each a day apart, but still absolutely nothing.
>> 
>>  
>> 
>> Epson's response (by phone) is outrageous -- It needs a new print head and more . . . total cost about $2,000.  
>> 
>>  
>> 
>> But there must be a way to clear the head, the dampers, or whatever.
>> 
>>  
>> 
>> Not understanding the mechanism of this printer, I do think it interesting that two colors are blank, and that they are paired in the power cleaning process.
>> 
>>  
>> 
>> Any ideas about how to proceed -- short of giving in to Epson's crazy offer or buying a new printer?
>> 
>>  
>> 
>> The printer is, and has alway been, loaded only with Epson OEM inks.  I use QTR to print black and white on this printer, and Piezeography to print on smaller printers.
>> 
>>  
>> 
>> Thanks much,
>> 
>>  
>> 
>>  
>> 
>> Arthur
>> 
>>  
>> 
>>  
>> 
>>        Arthur Fink Photography  
>> 
>>    
>> 
>>    Pictures of dancers, weddings, births, fish, 
>> 
>>    and other subjects of interest and amusement
>> 
>>     
>> 
>>     Studio / Gallery in Portland, Maine, and also on Peaks Island          
>> 
>>     www.arthurfinkphoto.com af@... 207.615.5722
>> 
>>  
>> 
>>     Read, and comment on, my blog: www.InsightAndClarity.com
>> 
>>  
>> 
>>     Click on this link to join my e-mail list (via Constant Contact)
>> 
>>     for news about shows, art and spirit and creativity workshops,
>> 
>>     creativity coaching, wedding, birth, and event photography.  
>> 
> 
>        Arthur Fink Photography  
>    
> 
>    Pictures of dancers, weddings, births, fish, 
>    and other subjects of interest and amusement
>     
> 
>     Studio / Gallery in Portland, Maine, and also on Peaks Island          
>     www.arthurfinkphoto.com af@... 207.615.5722
> 
>     Read, and comment on, my blog: www.InsightAndClarity.com
> 
>     Click on this link to join my e-mail list (via Constant Contact)
>     for news about shows, art and spirit and creativity workshops,
>     creativity coaching, wedding, birth, and event photography.  
> 
> 
> 
> 
>

RE: [Digital BW] Epson 4900 not printing VLM or LC

2014-02-07 by Elliot Puritz

There are wonderful videos which provide the details of cleaning the various
Epson printer models on YouTube.

 

Elliot
Show quoted textHide quoted text
From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Arthur
Fink Photo
Sent: Friday, February 07, 2014 11:01 AM
To: Digital B&W Print
Subject: Re: [Digital BW] Epson 4900 not printing VLM or LC

 

  

Can somebody give me (or point me toward) detail instructions about how to
place a power towel (soaked with whatever) under the print head on a 4900?

 

 

Arthur

 

 

On Feb 7, 2014, at 10:38 AM, Gary <gary@...> wrote:





  

 

Hello,

I have a similar problem. I have a two year old 4900 that I replaced the
head under warranty after 3 months due to clogging. Now the yellow nozzle
has not been working for the last two weeks and I am out of ideas on what to
do to fix it. There is lots of info on line concerning premature head
failure on the  Epson 900 series printers. Not sure what the solution is
other than disposing. Head replacement is not cost effective. The best
method I have found in the past for clearing nozzle clogs is soaking a paper
towel in Windex and placing it under the head for several hours or
overnight. This method has worked for me in the past for other clogs. If
others have ideas on how to fix my yellow please reply. 

Thanks,

Gary Wagner

www.garywagner.com

 

From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of Arthur
Fink Photo
Sent: Friday, February 07, 2014 7:19 AM
To: Digital B&W Print
Subject: [Digital BW] Epson 4900 not printing VLM or LC

 

  

I was away for a month, and my Epson 4900 sat idle.  I tried to print, but
all I got were blank pages.  A nozzle check showed the same.  But one
regular cleaning and one power cleaning cleared everything -- except VLM and
LC.  I've run several power cleanings on just that pair, each a day apart,
but still absolutely nothing.

 

Epson's response (by phone) is outrageous -- It needs a new print head and
more . . . total cost about $2,000.  

 

But there must be a way to clear the head, the dampers, or whatever.

 

Not understanding the mechanism of this printer, I do think it interesting
that two colors are blank, and that they are paired in the power cleaning
process.

 

Any ideas about how to proceed -- short of giving in to Epson's crazy offer
or buying a new printer?

 

The printer is, and has alway been, loaded only with Epson OEM inks.  I use
QTR to print black and white on this printer, and Piezeography to print on
smaller printers.

 

Thanks much,

 

 

Arthur

 

 

       Arthur Fink Photography  

   

   Pictures of dancers, weddings, births, fish, 

   and other subjects of interest and amusement

    

    Studio / Gallery in Portland, Maine, and also on Peaks Island          

    www.arthurfinkphoto.com <http://www.arthurfinkphoto.com/>
af@... 207.615.5722

 

    Read, and comment on, my blog:  <http://www.insightandclarity.com/>
www.InsightAndClarity.com

 

    Click on this link to
<http://visitor.constantcontact.com/manage/optin/ea?v=001RgvbKVLa7a7RR4E6BV8
sKw%3D%3D> join my e-mail list (via Constant Contact)

    for news about shows, art and spirit and creativity workshops,

    creativity coaching, wedding, birth, and event photography.  

 

 

 

 

 

       Arthur Fink Photography  

   

   Pictures of dancers, weddings, births, fish, 

   and other subjects of interest and amusement

    

    Studio / Gallery in Portland, Maine, and also on Peaks Island          

    www.arthurfinkphoto.com <http://www.arthurfinkphoto.com/>
af@... 207.615.5722

 

    Read, and comment on, my blog:  <http://www.insightandclarity.com/>
www.InsightAndClarity.com

 

    Click on this link to
<http://visitor.constantcontact.com/manage/optin/ea?v=001RgvbKVLa7a7RR4E6BV8
sKw%3D%3D> join my e-mail list (via Constant Contact)

    for news about shows, art and spirit and creativity workshops,

    creativity coaching, wedding, birth, and event photography.  

 

 

 





[Non-text portions of this message have been removed]

Re: [Digital BW] Epson 4900 not printing VLM or LC

2014-02-07 by mrjimbo2

Arthur,
It winter , really low humidity and it sat for a while.. So a couple of things you can do / try.. First make sure the two colors that won't show don't have air in the lines..
Next wet the park pad with water.. really wet it .. ( I use an eye dropper for this) Put the head over it for an hour or so.. Then try a nozzle test to see if your getting anything if you start seeing a few lines go ahead and do a regular cleaning cycle.
If that doesn't work , This one you'll want to keep an eye on so you don't start wicking ink out thru the head.. wet a paper towel with a mix of water and simple green... fold it in half to double its thickness... get that in the rollers manually...make sure it's good and wet even if you have to add more with an eye dropper.... then pull the head off park and let it set on it for several hours.. (no windex or similar as that dries it out).
As far as Epson saying you need a new print head.. well too soon to say that I think..... you might have a damper issue or simply struggling with air in the line...
jimbo
Show quoted textHide quoted text
----- Original Message -----
Sent: Friday, February 07, 2014 8:19 AM
Subject: [Digital BW] Epson 4900 not printing VLM or LC

I was away for a month, and my Epson 4900 sat idle. I tried to print, but all I got were blank pages. A nozzle check showed the same. But one regular cleaning and one power cleaning cleared everything -- except VLM and LC. I've run several power cleanings on just that pair, each a day apart, but still absolutely nothing.

Epson's response (by phone) is outrageous -- It needs a new print head and more . . . total cost about $2,000.

But there must be a way to clear the head, the dampers, or whatever.

Not understanding the mechanism of this printer, I do think it interesting that two colors are blank, and that they are paired in the power cleaning process.

Any ideas about how to proceed -- short of giving in to Epson's crazy offer or buying a new printer?

The printer is, and has alway been, loaded only with Epson OEM inks. I use QTR to print black and white on this printer, and Piezeography to print on smaller printers.

Thanks much,


Arthur


; Arthur Fink Photography

Pictures of dancers, weddings, births, fish,
and other subjects of interest and amusement

Studio / Gallery in Portland, Maine, and also on Peaks Island

Read, and comment on, my blog: www.InsightAndClarity.com

Click on this link to join my e-mail list (via Constant Contact)
for news about shows, art and spirit and creativity workshops,
; creativity coaching, wedding, birth, and event photography.




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Checked by AVG - www.avg.com
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RE: [Digital BW] Epson 4900 not printing VLM or LC

2014-02-07 by Gary

Jimbo,

How can you tell if you have air in the line?

Thanks,

Gary Wagner
Show quoted textHide quoted text
From: DigitalBlackandWhiteThePrint@yahoogroups.com
[mailto:DigitalBlackandWhiteThePrint@yahoogroups.com] On Behalf Of mrjimbo2
Sent: Friday, February 07, 2014 8:37 AM
To: DigitalBlackandWhiteThePrint@yahoogroups.com
Subject: Re: [Digital BW] Epson 4900 not printing VLM or LC

 

  

Arthur,

It winter , really low humidity and it sat for a while.. So a couple of
things you can do / try.. First make sure the two colors that won't show
don't have air in the lines.. 

 

Next wet the park pad with water.. really wet it .. ( I use an eye dropper
for this) Put the head over it for an hour or so.. Then try a nozzle test to
see if your getting anything if you start seeing a few lines go ahead and do
a regular cleaning cycle.

 

If that doesn't work , This one you'll want to keep an eye on so you don't
start wicking ink out thru the head.. wet a paper towel with a mix of water
and simple green... fold it in half to double its thickness... get that  in
the rollers manually...make sure it's good and wet even if you have to add
more with an eye dropper.... then  pull the head off park and let it set on
it for several hours.. (no windex or similar as that dries it out).

 

As far as Epson saying you need a new print head.. well too soon to say that
I think..... you might have a damper issue or simply struggling with air in
the line...

 

jimbo

RE: Epson V750 Pro focus

2014-02-07 by <homershannon@...>

Jon Cone (inkjetmall.com) has a number of products for cleaning printers. Check out his video for the 4900 on YouTube at http://www.moneychimp.com/features/market_cagr.htm.


I can't personally speak as to how good these products are, but I'm willing to believe that they are much better than the generic Windex and ammonia solutions offered from less reputable suppliers.


Homer Shannon

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