打印机
aas(automatic area seagment?)
dpi(dot per inch，每英寸的打印像素)
ecp(extended capabilities port，延长能力端口)
epp(enhanced parallel port，增强形平行接口)
ipp(internet printing protocol，因特网打印协议)
ppm(paper per minute，页/分)
spp(standard parallel port，标准并行口)
tet(text enhanced technology，文本增强技术)
usbdcdpd(universal serial bus device class definition for printing devices，打印设备的通用串行总线级标准)
vd(variable dot，变点式列印)
扫描仪
twain(toolkit without an interesting name)协议
aas(automatic area seagment?)
dpi(dot per inch，每英寸的打印像素)
ecp(extended capabilities port，延长能力端口)
epp(enhanced parallel port，增强形平行接口)
ipp(internet printing protocol，因特网打印协议)
ppm(paper per minute，页/分)
spp(standard parallel port，标准并行口)
tet(text enhanced technology，文本增强技术)
usbdcdpd(universal serial bus device class definition for printing devices，打印设备的通用串行总线级标准)
vd(variable dot，变点式列印)
扫描仪
twain(toolkit without an interesting name)协议
