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I am generating PDF files from Latex and embed graphics with includegraphics command: these can be bitmap images (PNG, JPEG) or vector graphics (PDF generated from e.g. inkscape or mathematical plotting software as gnuplot). I have an issue with some pages in the same document having a lesser print quality than others: the text is pixellated. This happens on pages where vector graphics are included, but not on pages where bitmap images are included.

What is the reason for this? Is there a workaround (other than convert my vector graphics to bitmap before embedding it in PDF!)

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Is this an issue only when printing or is it also visible in a viewer like Adobe Reader? – Martin Schröder Oct 3 '13 at 23:48
Only when printing. – Joce Oct 4 '13 at 8:04
Then tell us more about your OS, your printer, your printer driver... - this is not specific to LaTeX. – Martin Schröder Oct 4 '13 at 10:45
While I'm not the OP, I experience this same issue. I have this issue on two different Ubuntu machines. One prints to a commercial-grade laser color printer. The other prints to a home laser black and white printer. I haven't tried printing on other OS's to see whether it makes a difference. I'd be interested to know whether printers have any intrinsic memory limitations that might cause this or whether it's more likely a driver and/or OS problem. – Bryce Thomas Feb 10 '14 at 3:34
OS: Linux debian ; printers range from Konica-Minolta Bizhub series of printer-copiers down to small HP, Samsung and Konica-Minolta laser printers. Proprietary linux drivers and generic postscript do the same. – Joce Feb 11 '14 at 12:40

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