On Thu, 2006-11-16 at 09:13 -0500, Mark Richards wrote: > Hi, > I have an Epson Perfection Photo 4990 (GT-X800) scanner connected by > USB to my PC (Athlon 64 3200 1GB ram 5GB swap, FC5). > > scanimage --version : scanimage (sane-backends) 1.0.18 ; backend > version 1.0.18 > > Scanimage -L : device `epson:libusb:002:009' is a Epson GT-X800 > flatbed scanner > > I can scan fine at 1200dpi (16-bit colour) or 2400 (8-bit colour) but > when I try to scan at anything higher I get an Out of Memory error. > It is my understanding that scanning at 4800dpi should be possible > with this scanner. Any suggestions? > > Thanks, > > Mark > With export SANE_DEBUG_EPSON=255 and then start scanimage, check the logs for some info,
For a A4 300dpi (24 bits, 8 bits per color) scan you get about 25Mbyte of data, for 600dpi about 100Mbyte, for 1200dpi about 400 Mbyte, for 2400dpi about 1600Mbyte. -- -------- m.vr.gr. Gerard Klaver
