How to set for 300 dpi

Canon PIXMA Manuals MG2900 series Resolution
Resolution The data in the image you have scanned is a collection of dots carrying information about brightness and color. The density of these dots is called "resolution", and resolution will determine the amount of detail your image contains. The unit of resolution is dots per inch (dpi). Dpi is the number of dots per inch (2.5 cm). The higher the resolution (value), the more detail in your image; the lower the resolution (value), the less detail.

How to Set the Resolution You can set the resolution in Resolution on the (Scanning from a Computer) tab of the Settings dialog.
Appropriate Resolution Settings Set the resolution according to the use of the scanned image.
Item Type Use Color Mode Appropriate Resolution Color photo Copying
(Printing) Color 300 dpi Creating a postcard Color 300 dpi Saving to a computer Color 300 dpi Using on a website or attaching to e-mail Color 150 dpi Black and white photo Saving to a computer Grayscale 300 dpi Using on a website or attaching to e-mail Grayscale 150 dpi Text document (document or magazine) Copying Color, Grayscale, or Black and White 300 dpi Attaching to e-mail Color, Grayscale, or Black and White 150 dpi Scanning text using OCR Color or Grayscale 300 dpi Important

• If you double the resolution, the data size of the scanned image quadruples. If the file is too large, the processing speed will slow down significantly, and you will experience inconvenience such as lack of memory. Set the minimum required resolution according to the use of the image.

Note

• When you will be printing the scanned image by enlarging it, scan by setting a higher resolution than the recommended one above.

Dots per inch (DPI) is an output specification and is completely irrelevant as far as the camera is concerned. It's determined when you print the picture, not when you take it.

As an example, let's say you took a picture that's 2000 by 3000 pixels (6 megapixels). If you make a 4x6 print of it, you're printing at 500 dpi. If you make a 8x12 print of it, you're printing at 250 dpi, but it's still exactly the same file from the camera.

The program you use to print your pictures will let you set the DPI. Your camera has to put some number in there, and so it probably uses 72.

go to the cannon website and check their support/downloads

It's not a camera setting.
DPI is "dots per inch". This only has meaning when the picture is output (usually printed, but also displayed on a screen). You can make two different-sized prints from the same photo file, and they will have different DPI settings even though they come from the same file.
A photo editing/printing program will let you control the DPI when you print a photo (and some will let you change the value when you save the file).

check if the setting FORMAT CONVERT is with some numbers, please change for NONE.
This seting change the resolution from Printhead 200dpi or 300dpi or 150 dpi or none, none mins, if you have 200dpi printhead, print 200dpi resolution(small fonts). if have 300 dpi, print with 300 dpi resolution, if have 300 dpi(very small fonts) printhead, can print 150dpi(big fonts) if change this setting.
if ok, check the driver or your software.

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.

Your camera cannont shoot at either 72 dpi or 300 dpi. It shoots at whatever resolution you have it set for. Dpi (dots per inch) is a print specification, denoting how large (or small) your pictures are printed.

The DSC-W100's highest resolution is 3264x2448. Printed at 72 dpi, it can generate a print bigger than 40x30 inches, albeit a bit grainy. Printed at 300 dpi, you can generate 10x8 inch prints.

Again, dpi is a measure of how you print pictures. It has no bearing on how you capture images with your camera.

Your printer doesn't have a 300 DPI setting, however, you can select "EconoMode" from the "Preferences" menu after you select "Print". Look for a tab that says "Quality". EconoMode will be lighter than normal 600 DPI printing, thereby saving toner.

You need to be able to change the DPI setting in the image file. This can be done in most complete photo editors, though they tend to name the procedure in different ways. In Corel Photo-Paint, you would look for "Resample Image". In the open source photo editor Gimp, look for "Scale" under "Image".

In all such procedures, what you want is to set both the vertical and horizontal DPI values to 300, apply them, then save the image. Please do save it to a different filename, since you lose some quality of JPEG images every time they are saved.

You can download manuals here.

As dpi is generally a printing specification, the size you set on your camera depends on what size prints you want to make. If you want to print 4" x 6" prints at 300 dpi, you can set the size to M2. If you want to print 5" x 7" prints at 300 dpi, set the size to M1. Anything larger, set the size to L. With L selected, an 8" x 10" will still be about 300 dpi, but any larger print will be at less than 300 dpi.