五洲牌DNZC-1型电脑全自动彩色放大机,有放大和扩印彩色照片的双重功能,其扩印部分原来是在自动曝光后用脚踏开关起动走纸电机,原操作程序是:放好底片对好光后,按自动曝光按钮,曝光灯亮,扩印机暗箱快门电机同时得电打开快门,相纸感光,曝光灯自动熄灭后,快门电机也同时停电关闭快门,这时踩脚踏开关略停一下放开,走纸电机得电走纸,走完一张相纸后,暗箱内部行程开关到位,电机 Wuzhou brand DNZC-1 computer automatic color amplifier, enlargement and enlargement of the double-color photos of the print function, the printing part of the original auto-exposure with a foot switch to start the paper motor, the original operating procedures are: put negatives Good light, press the auto exposure button, the exposure light, the printer black box shutter motor at the same time have electricity to open the shutter, photographic light exposure, the exposure lamp automatically extinguished, the shutter motor also blackout shut the shutter, then step on the foot switch to stop for a moment Let go, take the paper motor take the paper, walk through a photo paper, the black box travel switch in place, the motor