一、針式打印機打印原理是什么
針式(shi)打印(yin)機(ji)主要用(yong)于完成各項單據的復寫,為(wei)用(yong)戶提供高效(xiao)的服務,它的作用(yong)是(shi)噴墨打印(yin)技術和激(ji)光(guang)打印(yin)技術無法實(shi)現(xian)的,那么(me)針式(shi)打印(yin)機(ji)的原理是(shi)什(shen)么(me)呢(ni)?
針式打(da)(da)印(yin)機是壓感式打(da)(da)針,通過打(da)(da)印(yin)頭(tou)中的(de)針擊打(da)(da)復(fu)(fu)寫(xie)紙,打(da)(da)印(yin)時打(da)(da)印(yin)針頭(tou)彈出,將色帶顏色打(da)(da)印(yin)到紙張上,打(da)(da)印(yin)過程中針頭(tou)會一直(zhi)對(dui)紙張施加(jia)壓力,可以使(shi)多(duo)層的(de)復(fu)(fu)寫(xie)紙打(da)(da)印(yin)出同樣的(de)效果,所以除了(le)(le)第一張紙上的(de)字跡(ji)(ji)來自(zi)于色帶的(de)油墨外,下層紙張也會同時顯示出字跡(ji)(ji),從(cong)而實現了(le)(le)多(duo)聯打(da)(da)印(yin)。
二、針式打印機無法打印如何解決
針(zhen)式打(da)(da)印機用來打(da)(da)印各(ge)種票據、多份聯打(da)(da)是(shi)很方便的(de),在使(shi)用針(zhen)式打(da)(da)印機的(de)時(shi)候,有時(shi)會遇到無(wu)法打(da)(da)印的(de)問題,可(ke)能的(de)故障原因有很多,一般是(shi)電路問題,可(ke)以采(cai)取以下方法排查故障并解決:
1、首(shou)先檢查(cha)電(dian)源(yuan)電(dian)路(lu)板(ban)(ban)與主板(ban)(ban)連(lian)線(xian)(xian)是否正確連(lian)接(jie)(jie)(連(lian)線(xian)(xian)是否插反或斜接(jie)(jie)或虛接(jie)(jie)),如果(guo)電(dian)源(yuan)電(dian)路(lu)板(ban)(ban)與主板(ban)(ban)連(lian)線(xian)(xian)接(jie)(jie)觸不良,重新插好連(lian)線(xian)(xian)。
2、如果電(dian)源(yuan)電(dian)路板與(yu)主(zhu)板連線正(zheng)常,接著(zhu)檢(jian)查主(zhu)板與(yu)控(kong)制面板的連線是(shi)否正(zheng)常,如果不正(zheng)常,將連線重新連接好。
3、如果主板與控制(zhi)面板的連線正(zheng)常(chang),接著檢查電源開(kai)關是否正(zheng)常(chang),發現電源開(kai)關損壞,則更換(huan)電源開(kai)關。
4、如果(guo)電(dian)(dian)源(yuan)開關正(zheng)常(chang),接著(zhu)斷(duan)開電(dian)(dian)源(yuan)電(dian)(dian)路板(ban)(ban)(ban)(ban)與主板(ban)(ban)(ban)(ban)的連接,然(ran)后接入220V,用萬用表檢(jian)測電(dian)(dian)源(yuan)電(dian)(dian)路板(ban)(ban)(ban)(ban)的直流輸出電(dian)(dian)壓(ya)是否(fou)正(zheng)常(chang);如果(guo)電(dian)(dian)源(yuan)電(dian)(dian)路板(ban)(ban)(ban)(ban)輸出電(dian)(dian)壓(ya)不(bu)正(zheng)常(chang),則電(dian)(dian)源(yuan)電(dian)(dian)路板(ban)(ban)(ban)(ban)損壞,檢(jian)查電(dian)(dian)源(yuan)電(dian)(dian)路板(ban)(ban)(ban)(ban)開關是否(fou)損壞,如果(guo)損壞,更換(huan)電(dian)(dian)源(yuan)電(dian)(dian)路板(ban)(ban)(ban)(ban)開關。
5、如果電源電路(lu)板開關正常(chang),接著檢測電源電路(lu)板中(zhong)的初(chu)級電路(lu)的保險管F1是(shi)否(fou)熔斷。如果保險管F1熔斷,檢查電源電路(lu)板其(qi)余電路(lu)是(shi)否(fou)存在短路(lu)問題,如果沒有可以更換F1。
6、如(ru)果保險管正常,接著檢(jian)查電(dian)源電(dian)路板(ban)中的開關(guan)管、二極管、整流橋電(dian)路等是否正常,如(ru)果不(bu)正常,更換(huan)損(sun)壞的元器件或電(dian)源電(dian)路板(ban)。
7、如果第4步中測量的電(dian)源(yuan)輸(shu)出(chu)電(dian)壓(ya)正常,接(jie)著將電(dian)機連(lian)線、頭纜線、傳感器(qi)線從主板(ban)上撥下,只連(lian)電(dian)源(yuan)電(dian)路板(ban)線及控制(zhi)面(mian)板(ban)電(dian)纜線,然后(hou)接(jie)通電(dian)源(yuan),看(kan)控制(zhi)面(mian)板(ban)的電(dian)源(yuan)指示燈是否(fou)亮,如果控制(zhi)面(mian)板(ban)電(dian)源(yuan)指示燈顯示有電(dian),說明主板(ban)正常,問題(ti)出(chu)在外圍電(dian)氣部(bu)件。
8、外圍電氣部件的檢查首先檢測字車電機和走紙電機是否燒毀,如果燒毀,更換損壞的電機;如果字車電機和走紙電機正常,接著檢查打印頭纜線是否正常(有無磨損、斷線等造成短路),如果不正常,更換打印頭線纜;如果打印頭線纜正常,接著將打印頭取下,然后加電,看打印機是否有顯示。如果針式打印機有(you)(you)電,說明打(da)印頭(tou)(tou)(tou)內部(bu)有(you)(you)短(duan)路(打(da)印頭(tou)(tou)(tou)線(xian)圈、針驅動管或(huo)(huo)芯片2B短(duan)路),更換短(duan)路的(de)部(bu)件或(huo)(huo)更換打(da)印頭(tou)(tou)(tou);如(ru)果取下打(da)印頭(tou)(tou)(tou)后,故障(zhang)依舊,接著檢查傳感器,并更換短(duan)路的(de)傳感器。
9、如(ru)(ru)(ru)果(guo)(guo)控制面(mian)板(ban)(ban)電(dian)源(yuan)指示(shi)燈無顯(xian)示(shi),則檢查主(zhu)(zhu)板(ban)(ban)中的(de)芯(xin)片(pian)是否有被燒壞(huai)的(de)痕跡(如(ru)(ru)(ru)開裂、發燙等),如(ru)(ru)(ru)果(guo)(guo)有,檢查異常的(de)芯(xin)片(pian),如(ru)(ru)(ru)果(guo)(guo)芯(xin)片(pian)損(sun)壞(huai),更(geng)換(huan)芯(xin)片(pian);如(ru)(ru)(ru)果(guo)(guo)沒(mei)有被燒壞(huai)的(de)芯(xin)片(pian),接著測(ce)量主(zhu)(zhu)板(ban)(ban)上5V電(dian)源(yuan)對地阻值,判斷(duan)主(zhu)(zhu)板(ban)(ban)是否短(duan)路(lu),如(ru)(ru)(ru)果(guo)(guo)主(zhu)(zhu)板(ban)(ban)短(duan)路(lu),維修或更(geng)換(huan)主(zhu)(zhu)板(ban)(ban);如(ru)(ru)(ru)果(guo)(guo)主(zhu)(zhu)板(ban)(ban)沒(mei)有短(duan)路(lu),接著檢查主(zhu)(zhu)板(ban)(ban)中的(de)門陣列電(dian)路(lu)、CPU等其他元(yuan)器件是否損(sun)壞(huai),如(ru)(ru)(ru)果(guo)(guo)損(sun)壞(huai),更(geng)換(huan)損(sun)壞(huai)的(de)元(yuan)器件;如(ru)(ru)(ru)果(guo)(guo)主(zhu)(zhu)板(ban)(ban)中沒(mei)有損(sun)壞(huai)的(de)元(yuan)器件,最后(hou)更(geng)換(huan)主(zhu)(zhu)板(ban)(ban)。