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