what is the resolution of output file?
300 dpi (dots per inch) is the resolution of the output pdf file. 
as an example; if the print size is a4, then final artwork (f/a) must have the same size (a4 canvas size), with a resolution of 300 dpi
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digital print on demand a3+ adalah salah satu moda print yang dapat menghasilkan berbagai jenis produk akhir, seperti general commercial print (brosur, leaflet, flyer, kartu nama), poster, hard cover, soft cover, booklet, sticker, wobler, dll
print on demand juga memungkinkan pengerjaan specialty print product seperti variabel data print, mosaic print, collage print, penggunaan tinta khusus (lebih dari 12 warna tambahan), dll