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Instructions upload hints
#1 Always scan instructions in hi resolution - 300 dpi

#2 Resize all scans to resolutions between 2500-1900px in height

#3 If pages are in grayscale, convert them in some graphics program from RGB to grayscale mode

#4 Use levels option to create more contrast images to increase readability

#5 Use crop tool to remove all unwanted elements

#6 Create pdf file with all pages keeping numeric order

#7 Try to save files few times using normal mode, reduced size or optimization mode. Check which file has best balance between file size, quality, readability.

#8 If it's possible include box cover

#9 Upload them on server adding all necessary informations.

Thank you for your help.