一、針式打印機打印原理是什么
針(zhen)(zhen)式(shi)打(da)印(yin)(yin)機主要用(yong)于完成(cheng)各項單據(ju)的(de)復(fu)寫,為用(yong)戶(hu)提(ti)供高效的(de)服務,它的(de)作(zuo)用(yong)是(shi)噴墨打(da)印(yin)(yin)技術和激光打(da)印(yin)(yin)技術無(wu)法實現(xian)的(de),那么針(zhen)(zhen)式(shi)打(da)印(yin)(yin)機的(de)原理是(shi)什(shen)么呢?
針(zhen)式打(da)(da)印(yin)(yin)(yin)(yin)機是壓(ya)感式打(da)(da)針(zhen),通過打(da)(da)印(yin)(yin)(yin)(yin)頭中的針(zhen)擊(ji)打(da)(da)復寫(xie)紙(zhi),打(da)(da)印(yin)(yin)(yin)(yin)時打(da)(da)印(yin)(yin)(yin)(yin)針(zhen)頭彈(dan)出(chu),將(jiang)色帶(dai)顏(yan)色打(da)(da)印(yin)(yin)(yin)(yin)到紙(zhi)張(zhang)(zhang)上(shang),打(da)(da)印(yin)(yin)(yin)(yin)過程中針(zhen)頭會(hui)(hui)一(yi)直對紙(zhi)張(zhang)(zhang)施(shi)加壓(ya)力,可(ke)以(yi)使多層的復寫(xie)紙(zhi)打(da)(da)印(yin)(yin)(yin)(yin)出(chu)同(tong)樣的效(xiao)果,所以(yi)除(chu)了第(di)一(yi)張(zhang)(zhang)紙(zhi)上(shang)的字跡來自于色帶(dai)的油墨外(wai),下層紙(zhi)張(zhang)(zhang)也會(hui)(hui)同(tong)時顯(xian)示出(chu)字跡,從而實現了多聯打(da)(da)印(yin)(yin)(yin)(yin)。
二、針式打印機無法打印如何解決
針式(shi)打(da)印機用(yong)來打(da)印各(ge)種票據(ju)、多份聯打(da)是很方便(bian)的,在使用(yong)針式(shi)打(da)印機的時候,有(you)(you)時會遇到無法打(da)印的問題(ti),可能的故障(zhang)原因有(you)(you)很多,一(yi)般是電(dian)路問題(ti),可以(yi)采(cai)取(qu)以(yi)下方法排(pai)查故障(zhang)并解決:
1、首先檢查電(dian)源電(dian)路(lu)板(ban)與(yu)主板(ban)連(lian)線(xian)是否(fou)正(zheng)確連(lian)接(jie)(jie)(連(lian)線(xian)是否(fou)插反或(huo)斜接(jie)(jie)或(huo)虛(xu)接(jie)(jie)),如果電(dian)源電(dian)路(lu)板(ban)與(yu)主板(ban)連(lian)線(xian)接(jie)(jie)觸不良(liang),重新插好連(lian)線(xian)。
2、如(ru)果電源電路板(ban)(ban)與主(zhu)板(ban)(ban)連(lian)(lian)線正常,接(jie)著檢查主(zhu)板(ban)(ban)與控(kong)制面板(ban)(ban)的連(lian)(lian)線是否正常,如(ru)果不正常,將連(lian)(lian)線重新(xin)連(lian)(lian)接(jie)好(hao)。
3、如果主(zhu)板(ban)與控制面板(ban)的連線正(zheng)常,接(jie)著檢查電(dian)源(yuan)開(kai)關(guan)是(shi)否正(zheng)常,發現電(dian)源(yuan)開(kai)關(guan)損壞,則更換(huan)電(dian)源(yuan)開(kai)關(guan)。
4、如果(guo)電(dian)源(yuan)開(kai)關正(zheng)常,接著斷開(kai)電(dian)源(yuan)電(dian)路(lu)板與主板的連接,然后接入220V,用萬用表檢測電(dian)源(yuan)電(dian)路(lu)板的直流輸出電(dian)壓是否正(zheng)常;如果(guo)電(dian)源(yuan)電(dian)路(lu)板輸出電(dian)壓不(bu)正(zheng)常,則(ze)電(dian)源(yuan)電(dian)路(lu)板損(sun)壞,檢查電(dian)源(yuan)電(dian)路(lu)板開(kai)關是否損(sun)壞,如果(guo)損(sun)壞,更換電(dian)源(yuan)電(dian)路(lu)板開(kai)關。
5、如(ru)(ru)果(guo)電(dian)(dian)源電(dian)(dian)路(lu)板(ban)開(kai)關正常,接著檢測電(dian)(dian)源電(dian)(dian)路(lu)板(ban)中的初級電(dian)(dian)路(lu)的保(bao)(bao)險管(guan)F1是否(fou)熔(rong)斷。如(ru)(ru)果(guo)保(bao)(bao)險管(guan)F1熔(rong)斷,檢查(cha)電(dian)(dian)源電(dian)(dian)路(lu)板(ban)其(qi)余電(dian)(dian)路(lu)是否(fou)存在(zai)短路(lu)問(wen)題,如(ru)(ru)果(guo)沒有可以(yi)更換F1。
6、如果保險管(guan)正(zheng)常(chang)(chang),接(jie)著(zhu)檢查電(dian)源(yuan)電(dian)路(lu)板(ban)中的開關(guan)管(guan)、二(er)極管(guan)、整流橋電(dian)路(lu)等是否正(zheng)常(chang)(chang),如果不(bu)正(zheng)常(chang)(chang),更換(huan)損壞的元器件或電(dian)源(yuan)電(dian)路(lu)板(ban)。
7、如果第4步中測量的電(dian)(dian)源輸出(chu)電(dian)(dian)壓正常(chang),接著將電(dian)(dian)機連線(xian)(xian)、頭(tou)纜線(xian)(xian)、傳(chuan)感器線(xian)(xian)從主(zhu)板(ban)(ban)上撥下,只(zhi)連電(dian)(dian)源電(dian)(dian)路板(ban)(ban)線(xian)(xian)及(ji)控制面板(ban)(ban)電(dian)(dian)纜線(xian)(xian),然(ran)后(hou)接通電(dian)(dian)源,看控制面板(ban)(ban)的電(dian)(dian)源指示(shi)燈是否亮(liang),如果控制面板(ban)(ban)電(dian)(dian)源指示(shi)燈顯示(shi)有電(dian)(dian),說(shuo)明(ming)主(zhu)板(ban)(ban)正常(chang),問題出(chu)在外圍電(dian)(dian)氣部件。
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。如果針式打印機有電,說(shuo)明打(da)印頭(tou)內部(bu)有短(duan)路(lu)(打(da)印頭(tou)線圈、針(zhen)驅動(dong)管或芯片2B短(duan)路(lu)),更換(huan)短(duan)路(lu)的部(bu)件(jian)或更換(huan)打(da)印頭(tou);如果取下打(da)印頭(tou)后,故障依舊(jiu),接(jie)著檢查傳(chuan)感器,并更換(huan)短(duan)路(lu)的傳(chuan)感器。
9、如(ru)(ru)(ru)果(guo)(guo)控制面板(ban)(ban)電(dian)(dian)源指(zhi)示(shi)燈無顯示(shi),則檢查主(zhu)(zhu)板(ban)(ban)中(zhong)(zhong)的(de)芯(xin)片是(shi)否有(you)被燒壞(huai)的(de)痕跡(如(ru)(ru)(ru)開裂、發(fa)燙(tang)等(deng)),如(ru)(ru)(ru)果(guo)(guo)有(you),檢查異常的(de)芯(xin)片,如(ru)(ru)(ru)果(guo)(guo)芯(xin)片損(sun)(sun)壞(huai),更(geng)換芯(xin)片;如(ru)(ru)(ru)果(guo)(guo)沒(mei)有(you)被燒壞(huai)的(de)芯(xin)片,接(jie)著(zhu)測量主(zhu)(zhu)板(ban)(ban)上5V電(dian)(dian)源對(dui)地阻值,判(pan)斷(duan)主(zhu)(zhu)板(ban)(ban)是(shi)否短路(lu),如(ru)(ru)(ru)果(guo)(guo)主(zhu)(zhu)板(ban)(ban)短路(lu),維修或更(geng)換主(zhu)(zhu)板(ban)(ban);如(ru)(ru)(ru)果(guo)(guo)主(zhu)(zhu)板(ban)(ban)沒(mei)有(you)短路(lu),接(jie)著(zhu)檢查主(zhu)(zhu)板(ban)(ban)中(zhong)(zhong)的(de)門(men)陣列電(dian)(dian)路(lu)、CPU等(deng)其他元(yuan)器(qi)(qi)件是(shi)否損(sun)(sun)壞(huai),如(ru)(ru)(ru)果(guo)(guo)損(sun)(sun)壞(huai),更(geng)換損(sun)(sun)壞(huai)的(de)元(yuan)器(qi)(qi)件;如(ru)(ru)(ru)果(guo)(guo)主(zhu)(zhu)板(ban)(ban)中(zhong)(zhong)沒(mei)有(you)損(sun)(sun)壞(huai)的(de)元(yuan)器(qi)(qi)件,最后更(geng)換主(zhu)(zhu)板(ban)(ban)。