Please clear the paper tray and retry the scan.

请检查扫描仪,重新扫描.

This paper tray status at home and abroad injection and trends reviewed.

对国内外喷射塔板的现状和发展趋势进行了综述。

Another connection can be done so the heaters in the paper tray unit will switch on and off while the copier is operating.

另一个方面可以做的加热器在纸盒单位将开关，而复印机操作。