Back cover open ciose the Back coverclose

Back cover open ciose the Back coverclose 出现back cover open close the back cover. 复印机故障显示 back cover open close the back cover 出现back cover open close the back cover.联想7020出现back cover open close the back cover. 请问colse the back cover open 打印机上的 back cover open close the back cover 是什么意思呀卡纸了怎么办呀 兄弟7010开机滴滴的响、出现Back cover open close the Back cover是怎么回事? 兄弟7010打印机滴滴响.back cover open the back cover怎么办 我的联想3220一体机提示Back cover open close the back cover.如题 英文OPEN BACK COVER THEN REMOVE PAPER 谁说下 back cover 联想打印机,M3120 ,出现close the back cover,back cover open!在那位大师可以,帮个忙啊,小弟, 传真机出现 cover open 我在使用打印机时,出现提示Close the Back Cover,我在使用打印机时,出现提示Back Cover open Close the Back Cover,我该怎么办?才能正常使用? 打印机型号：兄弟FAX-2820.不能打印 显示close the back cover open ,可是后盖是关好的 怎么办? open front cover replace toner 兄弟出现back cover open close the back cover.本来是卡了一张纸才出现这个问题的,但是我把卡了的纸拿出来了,还是出现这个英文,是怎么一回事? the back cover 什么意思