Re: Printer resolution (limits), "native resolution", quality enhancement settings
Robert Krawitz <[email protected]>
| Newsgroups | gmane.linux.printing.gimp-print.devel |
|---|---|
| Message-ID | <[email protected]> |
On 6/13/21 4:56 PM, Marius Steffen wrote: > Hi, > > I’m trying to wrap my head around all the stuff concerning resolution of my Epson P800, or printers > in general, hopefully being able to provide some corrections for my printer, as it’s still > „EXPERIMENTAL“. > > For now, I’m trying to understand: > 1) How are the different printing resolutions chosen? Why is there no „5760x5760“ setting, or even > higher? Based on what the printer can do. No Epson printer that I know of can actually print 5760 dpi in the vertical direction. > 2) What’s the limit for printer resolution given, a specific printer? My P800 is listed with a > maximum resolution of 2880x1440, how does Gutenprint achieve a higher resolution than this? We've determined that some printers can achieve higher resolution that what's specified. Some printers do work perfectly well at such high resolutions; some are iffy. > 3) I’ve read some stuff about „native printer resolution“ - as I understand it, that’s the > resolution the driver down-/upsamples every raster graphic send to it. How is this chosen for a > specific printer in Gutenprint, and why? Do the choice of printing resolution does have any impact > on this? "Native printer resolution" means whatever resolution the printer is actually set to. So if you specify 5760x1440 dpi, that's the "native printer resolution" for that job. > 4) What does the „Quality Enhancement“ setting do, and how is it concerned by printer resolution? It breaks up each line of dots into more sub-lines, resulting in longer printing time but possibly better quality. It's most likely to help if you have a bad nozzle or two Some printers can't handle this, especially at already high resolutions. Each step of quality enhancement doubles printing time. You'll have to experiment to see if it helps; usually it doesn't. > Thank you so much in advance for you explanations! :D _______________________________________________ Gimp-print-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gimp-print-devel