Question about Mitsubishi P-91W Printer

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I have a P91W printer as part of a BioRad GelDoc2000 imaging system. The image on the computer monitor looks sharp with good contrast, but the print made by the Mitsubishi P91W is all washed out with little contrast. Is there a problem with heating elements in the printer that abrogates the contrast quality? How to adjust?

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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MikeNJ1964
  • 398 Answers

SOURCE: Mitsubishi VS 4552A

One of your convergence IC's has either cracked loose or burned out. The IC will have to be resoldered or replaced and then the convergence circuits realigned. If you do not have experience in repairing convergence circuits then have a qualified tech handle it for you. This is by far the most common failure in the projection sets and a good tech can have it fixed in about an hour and a half. I charge $150 for that but shops in your area will vary, so call around.

Posted on Jul 31, 2007

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  • 1694 Answers

SOURCE: Green shadows surrounding bright whites

Last point first.....contrast max default is normal.....
Next, I would adjust green screen and green focus = see if they
are working normally,if not then G2 / Focus block may be bad...
after that, I would suspect green CRT.........................T.

Posted on Dec 10, 2007

Slinteriors
  • 8617 Answers

SOURCE: Mitsubishi 50 in tv model # VS-5061

First of all check the circuit boards to see if ant CRT coolant has bee leaking on them. A strong flashlight will work best to spot it. It will usually appear on the front half of the boards nearest to the screen,. Mitsubishi has had some issue with CRT leakage. Also check for solder cracks around the Convergence amp ICs. Let me know what you discover, or if you need anything more.

Posted on Jan 31, 2008

  • 927 Answers

SOURCE: vs 4561 weak picture

Good Day, Techwanab;

Look for this to be your problem: CHECK FOR OPEN L2C50 PART #325C146030 ON THE SIGNAL PCB, OR BAD CONNECTIONS AND LEAKY CAPS IN THAT AREA.

Hope this was helpful and not too late.

Good Luck, big IRISH.

Posted on Jul 31, 2008

  • 1 Answer

SOURCE: wd-62825 mitsubishi dlp tv

Had the same problem. Service replaced the lamp engine. It did help.

Posted on Jan 28, 2009

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on the printer property dialog select image color tab then advanced settings, for darker images increase sharpness and contrast and decrease gamma to you satisfaction

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HP c5280 only prints green photos. All other printing is fine. I have put in new hp ink and photo paper. I have tried printing both from computer and with computer unplugged. A print from a website on...


This Problem is based on the Color Management so , The Perfect Solution for this problem is open the Photo or image etc in Adobe PhotoShop then goto Enhance->Adjust Color->Remove Color Cast , after removing the color cast , create a new layer for adjusting brightness , contrast & etc , then finally goto Image Size and change the DPI from 72 to 300 then save the image as JPEG or PNG etc , after saving the image close the Photoshop and open the image using Windows Photo Viewer and take the printout which will come as it is in the System

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How do I get my hp f4280 to scan to my comp.


Hello Lulu !

To use the scan features, the HP All-in-One and computer must be connected and turned
on. The HP Photosmart Software must also be installed and running on your computer
prior to scanning. To verify that the HP Photosmart Software is running on a indowscan
computer, look for the HP Digital Imaging Monitor icon in the system tray at the lower
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To scan to a computer
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Load your original print side down on the right front corner of the glass.
2. Press Scan.
A preview image of the scan appears on your computer, where you can edit it. Any
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The HP Photosmart Software has many tools that you can use to edit your scanned
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I need 96 dpi but I don't know what resolution settings to use to get that


It sounds like you need 96 dpi for some sort of graphics application? This really has nothing to do with viewing on your monitor though. DPI has more to do with how the image, pixel per pixel, is spaced during printing.

For instance... if you have an image that is 960x960.. at 96dpi you could print a 10 inch square image (wouldn't look that great at 10 inches however).

However printers ALSO manipulate the dpi. So for large images, you might need to give the printer an image that has 196dpi.

In summary, it really depends on the application. Thermal printers normally prefer 300dpi, large format printers like 196dpi (or there abouts), and our normal home inkjet will accept any dpi but you will notice if you give it 196dpi, you will get a better image when printing larger images.

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Pictures appear to be darker than original in print outs.


You can make several adjustments to improve your images such as lightening dark areas, changing the exposure, sharpening blurred edges, and changing the brightness and contrast.
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  • Adaptive Lighting improves only the dark areas in an image without affecting the bright areas.
  • Brightness adjusts the amount of light in colors ranging from light to dark.
  • Contrast adjusts the difference in brightness between light and dark areas of an image.
  • Sharpness helps define edges and the smoothness of texture in an image. Use this tool to make a blurred image appear more focused.
Adjusting the image Follow the steps below to make adjustments:
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  2. Click the Edit tab and then click the Advanced tab.
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