Step-by-Step instruction on how to reveal hidden markings on your color laser printout.
Step 1	Print a page on your Color-Laser-Printer. Content of the printed page shoul be mainly white. You can use the following jpg-File.
Step 2	Scan the printed sheet. Scan settings must be at least 600 dpi and colored scan with photo quality (24bit color depth).
Step 3	Save the image of the sheet as PNG or JPG picture. Mind the compression rate. Use a high quality setting to avoid loss of pixel information but mind the file size. The image file should be smaller than 700 KB. If the file size is too large you can also cut the picture.
	Upload the image. If you have problems with the image size, do not decrease the image quality or resize the image. The better way to reduce the size is to cut the image.
Step 4
Step 5	Start DotSpotter and check if you can find the hidden Dots on the created image.
	If you have comments or suggestions please contact me at dotspotter@ultrasec.de
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