Question about Epson Stylus CX4700 All-In-One InkJet Printer

# Images scan set at 300 dpi, end up 72 dpi

Have a friend with one of these scanners on the other side of the country. He says that he is scanning images at 300 dpi, but when he sends them to me, they are 72 dpi. Any idea why this could be happening?

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• kellerwerks Nov 14, 2009

Thanks. According to the recipe given above - I have one image with a pixel width of 549, and a physical width of 7.625. Divide 549 by 7.625 and you get 72. So it looks like the image was indeed scanned at 72 dpi, and we can't seem to figure out why. Back at square one. :/

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• Master

It depends on the physical size of the images. Size and resolution are related to each other. Let me explain:
You have an original, say, 2 inches by 2 inches.
You scan it with resolution of 300dpi (dots per inch).
You will get a file that's 600 by 600 pixels, right?
Then you look at it on screen, which has a resolution of 72dpi - if it's displayed without magnification, what size the picture will be? 600 divided by 72 = 8 and 1/3 of an inch, so on screen it will be 8 1/3 by 8 1/3 inches.

So, there's no such thing as a picture file's "real" resolution - we can talk about a resolution at a given size, because it's the horizontal and vertical size in pixels what's "real".

Therefore you have to ask what size the scanned picture is, and then look at the file you receive; in it's properties you will find it's number of pixels horizontally and vertically, and from that you can easily calculate (dividing the height in pixels by the height in inches) the actual resolution the file has been scanned at.
Then you'll know for sure if need to complain to the friend ot not :)

Posted on Nov 14, 2009

• Stan Nov 14, 2009

I would suggest checking the following:
1) If your friend is using a scan to e-mail function, it may override the default resolution and always scan with the screen resolution. Le the friend try scanning to file and checking the file locally on his computer to make sure, that it's really 300dpi (in the example you gave it would mean a width of ~2285 pixels). If it's OK then send it as an attachment.
2) If the picture is indeed 300dpi (checked as above), but still arrives as 72dpi, then your email client/interface is to blame; it must scale down the picture automatically (for example Outlook likes to do that; it usually asks how to scale it, but it's possible to make a choice a default and forget about it).
To avoid that I would suggest ZIPping the file [for example via rightclick - Send To - Compressed folder (zip)] and sending the zip file as an attachment.
Good luck :)

• Stan Nov 14, 2009

I would suggest checking the following:

1) If your friend is using a scan to e-mail function, it may override
the default resolution and always scan with the screen resolution. Le
the friend try scanning to file and checking the file locally on his
computer to make sure, that it's really 300dpi (in the example you gave
it would mean a width of ~2285 pixels). If it's OK then send it as an
attachment.

2) If the picture is indeed 300dpi (checked as above), but still
arrives as 72dpi, then your email client/interface is to blame; it must
scale down the picture automatically (for example Outlook likes to do
that; it usually asks how to scale it, but it's possible to make a
choice a default and forget about it).

To avoid that I would suggest ZIPping the file [for example via
rightclick - Send To - Compressed folder (zip)] and sending the zip
file as an attachment.

Good luck :)

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Posted on Jan 02, 2017

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## Related Questions:

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Welcome to Fixya!

Adjust the Scan setting to the defalult/appropriate resolution. See guidelines below.

Documents:

300 dpi black-and-white or 200 dpi grayscale or color

Documents of poor quality or that contain small text:

400 dpi black-and-white or 300 dpi grayscale

Photographs and pictures:

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Thank you for using Fixya. Have a great day.

Jas247

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### How can I scan a photograph, save it and then send a copy by e-mail

First do you have a scanner? if not take a digital photo with Macro settings and flash off.
If you do have scanner and figure out how to scan, scan it as a JPG or if for archival TFF. A Jpg will show and transfer better by email for the masses. after you scan it in say windows, you can save it on say your desktop and then right click it and say send to Mail recipient. If it is a big photo and you want to reprint it make sure the scan is at least 300 DPI if your scanner will go high enough scan it at the highest optical resolution that your printer has, again this is if you are planning on printing it on the other side. If you are not printing it scan anything above say 72 DPI.

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I have many years reparing Canon scanners maybe I can help you.

My first question is why are you scanning at 600dpi? 200 to 300 dpi will work just fine for you. When you scan at that high of the dpi the scanner slows down it will operate much faster at a lower dpi. Try scanning at a lower dpi and see if that corrects your problem. Also when you scan at that high your computer has to work harder to convert the image And the image will turn into a megabyte image instead of a kilobyte image and you will be able to store more images at the lower dpi on your hard drive. I hope this helps you out and if it does leave me some feed back.

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2) Replace USB cable.

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### I am trying to scan a document and it is not working, I have a hp photosmart c4280 printer. How do I install a usb cord

hi
Place the document or image into the scanner for scanning. A scanner with a paper feeder will only receive flat papers and photographs, but a flatbed scanner opens to accommodate books, fabrics and leaves along with flat papers. There is even a attachment for feeding photo slides into flatbed scanners.
• Step 2 Start the scanning software. If the scanner does not engage the software automatically, press the "start" or "scan" button, or click the scanner icon on the computer screen to initialize the software.
• Step 3 Activate the scan. Click the "file" menu and select "acquire," "import," or another practical choice that applies.
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• Step 5 Set the resolution for images by number of dots per inch (dpi). For computer screen viewing, 100 dpi should suffice. Use 200 to 300 dpi for items to be printed.
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### How to adjust the resolution to 300 DPI on an

If you are scanning, you should be able to set the resolution (DPI x DPI) in the scanner configuration. If it is blurry, it could be that the default scan resolution is lower (10 dpi or even 75 dpi).
Settings location will depend on the scanner and software used.

Best scan at an equal (300 dpi) or even higher resolution, so you can scale the image afterwards without quality loss.

Apr 23, 2010 | Microsoft Windows XP Home Edition

### They keep telling me that my picture is too big . It is a 4X6 picture on my computer.

More information on exactly what you are trying to do would be helpful... But it sounds like it's a resolution problem. Computer monitors usually display 72 or 96 dpi (Dots Per Inch) Printers usually print out images at 300 or 600 dpi Some newspapers are printed at only 50 dpi Scanners can scan a photo in thousands of dpi...
If your photo is a 4x6 at 300dpi, then when they try to display it in 72dpi, it will display as just a bit larger than a 16x20" image
When you are scanning a photo to email, then make sure that you set your resolution to 72 dpi to display on the screen - or vice versa, if you are going to print something, make sure you scan it at 300dpi
If you have any graphic programs, (Microsoft offers "PowerToys" for Windows XP) you can open the file in that, and usually find a setting for the Image Size that will let you set a new DPI. It's usually ok to lower an image's dpi - but there is a loss of quality anytime you try to add dpi, since you are forcing the computer to "guess" what all those hundreds of dots should look like, and they aren't good at that.

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### Xerox Documate 152 - Scan quality is now V.BAD!

I would go to Xerox.com and look up their knowledge base. Here is a copy of data from their site related to this problem:

Symptom: Scanned images have poor image quality, are fuzzy, unclear, or hard to read.
Cause: There are several things that can lead to poor image quality including the scan settings, dirt on the scanner, and driver problems. Solution: Note: If you scan as a PDF file and your scans look fuzzy when viewed in PaperPort, try right clicking on the file and selecting "Open" to open them in Adobe Reader. If they display fine in Adobe Reader then there is nothing wrong with the scans, it is simply that they are not being displayed well in PaperPort.

The following solutions can help resolve poor scan quality.

Solution 1 - Adjust the scan settings

Try increasing the resolution of your scan. 300 dpi to 400 dpi should be clear for most images
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• You can also try adjusting the brightness and contrast
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Solution 2 - Clean and Calibrate the scanner

Note: Calibration only applies to sheetfed scanners.

Use the link below for instructions on cleaning and calibrating (if applicable) your scanner:
Solution 3 - Reinstall the scanner driver Select a link below for instructions on reinstalling your scanner driver:

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