A.300DPI B.600DPI C.1200DPI D.1440DPI
A.A4 B.A3 C.B5 D.B0+
A.網(wǎng)卡已經(jīng)被禁用 B.沒有安裝網(wǎng)卡 C.系統(tǒng)故障 D.網(wǎng)卡正常