Acer FotoPrisa 300P - Manual (Page 47)

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FotoPrisa
Secondly, maximize your browser window and you can
approximately judge if the image size is suitable for FotoPrisa
Printer full-size printing by comparing with the size of window
visible area.
For example, if your display resolution is 800 x 600 pixels:
4.6 Make your own ID photos
Based on the maximum print area of FotoPrisa Printer, one
photo paper can exactly adopt six 2”x1.5” ID photos.
From the above illustration, it’s easy to do a calculation about
how large the image size is needed under the condition: print
area 101.5mm x 125mm; resolution at 300dpi (dot per inch) –
Image size for a 1.5” x 2” ID photo = 450 pixels x 600 pixels
Now there are two important steps to follow:
The image width is about 1/4, and length is
about 1/3 of the screen visible area width and
length, therefore, the image size is about 200 x
200 pixels, the image printout dimension is
about 0.67”x 0.67” at 300dpi.
The image width is about 1/2, and length is
about 1/4 of the screen visible area width and
length, therefore, the image size is about 400 x
150 pixels, the image printout dimension is
about 1.3”x 0.5” at 300dpi.