Taw qhia ntawm Thermal Barcode tshuab luam ntawv taub hau

Lub taub hau thermal luam ntawv yog qhov tseeb tshaj plaws nrog cov qauv tsim. Nws ua lub luag haujlwm tseem ceeb hauv cov txheej txheem luam ntawv thiab yuav tsum tau ua kom huv thiab tu thaum siv.

Muaj ib kab ntawm cov cua kub cua sov rau ntawm lub taub hau luam.Los ntawm kev tswj cov cua sov uas tsim los ntawm txhua chav tsev, lub taub hau luam ntawv tuaj yeem luam tawm cov duab sib xws, ntawv nyeem lossis barcodes.

Lub taub hau luam ntawv feem ntau yog ntsia rau ntawm lub taub hau luam ntawv thiab txuas nrog lub motherboard, uas suav nrog cov kab hluav taws xob thiab cov ntaub ntawv cables.

Lub hwj chim cable thiab cov ntaub ntawv cable ntawm qee lub taub hau luam tau muab tso rau hauv ib qho thiab txuas nrog lub motherboard los ntawm tib txoj kev txuas cable.

Lub taub hau luam ntawv luam tawm cov ntawv thiab cov ntsiab lus ntawm daim ntawv lo los ntawm lub cev cov tshuaj tiv thaiv ntawm cov cua sov los tsim cov duab barcode uas pom tau.

Thaum lub sij hawm luam ntawv, qhov ntsuas kub ntawm chav tsev cua sov yog tswj kom ua tiav cov txiaj ntsig luam ntawv.

Smartbag Muab Thermal hloov lub taub hau ntawm txhua lub tshuab luam ntawv thermal hloov tshuab, lub taub hau luam ntawv yog cov khoom siv hluav taws xob zoo, uas muab lub luag haujlwm tseem ceeb rau daim ntawv lo, barcode thiab nraaj luam ntawv. Peb muab thawj thiab tshaj printhead, uas yog tsim thiab ntshuam los ntawm Teb Chaws Asmeskas los yog Nyiv, thiab tag nrho lav qhov zoo tib yam los yog tag nrho compatibility nrog thawj lub Hoobkas.

Qhia rau peb cov Thermal hloov pauv lub taub hau tus lej lossis lub tshuab luam ntawv, peb yuav muab cov lus teb ceev rau koj qhov kev nug.

Khoom Specification

Peb muab feem ntau ntawm printhead rau hauv qab no hom

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Qhov kev daws teeb meem ntawm Thermal Print Head yog dab tsi?

Qhov ceev ntawm cov cua sov dots ntawm TPH txiav txim siab txog kev luam ntawv. Nws ntsuas nyob rau hauv dots ib nti (DPI), thiab txiav txim siab lub sharpness thiab clarity ntawm luam barcodes thiab daim ntawv lo. DPI siab dua txhais kom meej meej thiab ntau dua luam ntawv.

Cov kev xaiv DPI feem ntau suav nrog:

203 DPI: Zoo tagnrho rau cov ntawv xa khoom xa tuaj, cov lej loj dua, thiab cov ntawv sau yooj yim.

300 DPI: Haum rau feem ntau daim ntawv lo, cov ntawv me me, cov kab ntawv sib txawv, thiab cov duab, xws li cov ntawv cim npe, cov ntawv cim npe, thiab cov khoom muaj nqis.

600 DPI: Qhov zoo tshaj plaws rau cov duab daws teeb meem, cov kab zoo, thiab cov kab me me, nyuaj, xws li PCB QR cov lej.

Kev tsim kho ntawm Thermal Printhead

Lub thermal printheads yog ib qho hluav taws xob. Ntawm ib kab muaj ntau cov dots (cov ntsiab lus cua sov) Qhov ntau dots ib hli, qhov zoo dua qhov printquality.
8dot / 200dpi txhais tau tias: lub taub hau luam ntawv muaj 8 dot ib hli. Lub printheadresolution yog sib npaug rau 200DPI (dots ib nti).
12dot / 300dpi txhais tau tias: lub taub hau luam ntawv muaj 12 dots ib hli. Lub printheadresolution yog sib npaug rau 300DPI (dots ib nti).
200 thiab 300DPI yog cov qauv kev daws teeb meem hauv kev lag luam thiab kev lag luam envorinment, tab sis tam sim no tseem muaj cov tshuab luam ntawv uas twb muaj lawm nrog 400 thiab 600dpi.
Lub thermal printhead yog qhov tseem ceeb tshaj plaws thiab qhov tsis zoo ntawm lub tshuab luam ntawv thermal, thiab feem ntau kuj yog qhov kim tshaj plaws ntawm lub tshuab luam ntawv. Tsis tas li ntawd, lub thermal printhead yog ib qho hnav, thiab nws txoj sia nyob ntawm lwm tus nyob ntawm nws txoj kev tu.
Nyob rau hauv kev xyaum muaj ib txwm excist pa phem nyob rau hauv lub printhead uas yog ib qho yooj yim thiab tsim nyog yuav tsum tau ntxuav.
Cov pa phem no yog cov seem ntawm daim ntawv, kua nplaum, thermal hloov ribbon tab sis kuj muaj lwm yam kev ua qias tuaj.
Cov pa phem ntawm lub taub hau luam tawm ua rau cov luam ntawv tsis zoo thiab qhov kub thiab txias sib txawv uas tuaj yeem ua rau cov luam ntawv puas.

Qhov zoo

1. Yooj yim rau installation

2.Smooth kev khiav hauj lwm nrog tsawg suab nrov

3.Strict zoo tswj system

4. Cov khoom siv zoo tshaj

5. Cov kev pabcuam tshaj lij

6.OEM / ODM kev pabcuam

7. Cov khoom lag luam zoo

1) Ntau hom kev xaiv

2) Tus nqi sib tw

3) Kev xa khoom sai

Daim ntawv thov

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Dab tsi yog cov cim qhia txog kev ua tsis tiav?

Feem ntau, koj yuav paub tias koj lub taub hau luam ntawv ua tsis tiav thaum koj pom cov tsos mob hauv qab no:

Cov duab luam tawm zoo li faded lossis sib dua

Streaks los yog bands tshwm nyob rau ntawm daim ntawv lo

Ib feem tsis luam tawm, tawm hauv qab dawb voids lossis cov ntawv ploj lawm

Yog tias koj twb tau ntsib cov teeb meem no, nws yog lub sijhawm rau lub tshuab luam ntawv tshiab. Lwm zaus, koj tuaj yeem tiv thaiv lub taub hau tsis ua haujlwm los ntawm kev nkag siab vim li cas nws tshwm sim thawj zaug.

Yuav Ua Li Cas Kom Koj Lub Tshuab Luam Ntawv Thermal Printhead Healthy?

Corrosion

Koj lub taub hau tiv thaiv txheej tuaj yeem ua puas yog tias cov tshuaj tiv thaiv nws yog lawv tus kheej corrosive. Txhawm rau tiv thaiv qhov no, tsis txhob kov lub taub hau ntawm lub taub hau nws tus kheej; luam ntawv ntawm substrates lossis media uas tsis pom zoo los ntawm lub tshuab luam ntawv lossis cov chaw tsim khoom; los yog siv cov tshuaj ntxuav uas tsis tau teev tseg los ntawm cov chaw tsim khoom lag luam.

Kev kis kab mob

Thaum cov ntawv thermal lossis lwm yam xov xwm tuaj yeem cuam tshuam nrog cov ntaub ntawv abrasive thiab dhau los ntawm lub taub hau luam ntawv, lawv tuaj yeem ua rau muaj kab mob. Yog li ntawd, qhov no tuaj yeem txhuam los yog txiav los ntawm lub taub hau lub taub hau tiv thaiv txheej thiab ua rau ua tsis tiav ntxov. Ntxiv dua thiab, nws yog qhov zoo los sab laj nrog lub taub hau luam ntawv thiab / lossis cov khoom siv thermal ua ntej los txiav txim siab cov ntaub ntawv tsim nyog siv nrog koj lub taub hau luam ntawv.

Kev puas tsuaj

Abrasion feem ntau tshwm sim los ntawm kev sib txhuam. Tshwj xeeb, daim ntawv plua plav tuaj yeem sau rau ntawm lub platen mus rau sab nrauv ntawm cov xov xwm lossis ribbon thiab, tig mus, abrade lub printhead glaze. Yuav kom txo qis nws, koj tuaj yeem niaj hnub ntxuav cov ntawv plua plav tawm ntawm lub taub hau luam ntawv raws li cov lus qhia ntawm cov chaw tsim khoom. Koj yuav tsum khaws cov khoom ntse (xws li, rab chais hniav, ntsia hlau, riam) kom deb ntawm lub taub hau kom tsis txhob khawb qhov muag.

Residue buildup

Buildup ntawm thermal ribbon los yog xov xwm txheej ntawm lub printhead yuav ua rau overheating thiab nws thiaj li tsis ua hauj lwm. Txawm hais tias qhov ntim ntawm qhov seem tuaj yeem sib txawv raws li cov ntawv xov xwm, ribbons thiab lwm yam kev mob, nws yog ib qho tseem ceeb kom paub tseeb tias koj lub koom haum tu thiab tu thiab tu kom zoo.

Printhead siab

Muaj feem xyuam rau kev puas tsuaj, ntau lub siab ua rau muaj kev sib txhuam ntawm lub taub hau luam ntawv. Qhov no, nyob rau hauv lem, tuaj yeem ua rau hnav thiab tsim kua muag thiab thaum kawg, ua tsis tiav ntxov ntxov. Txhawm rau zam qhov no, siv qhov sib npaug ntawm qhov tsaus ntuj thiab lub siab.

Electrostatic tso tawm

Tus cwj pwm los ntawm qhov tam sim ntawd, tsis xav txog hluav taws xob khiav ntawm ob yam khoom siv hluav taws xob, hluav taws xob hluav taws xob tuaj yeem ua rau muaj kev puas tsuaj loj rau lub taub hau lub taub hau sab hauv. Tej yam uas feem ntau ua rau electrostatic paug xws li static buildup thiab tsis qhia tshwj xeeb los yog tsis tsim nyog tu. Txhawm rau txo qhov no, ua haujlwm kom ntseeg tau tias cov txhuam hniav zoo li qub thiab / lossis cov tshuab luam ntawv xov hlau muaj kev ruaj ntseg zoo.

Environmental yam

Ib puag ncig uas koj lub tshuab luam ntawv (thiab los ntawm kev txuas ntxiv, koj lub taub hau luam ntawv) ua haujlwm ua lub luag haujlwm ntev npaum li cas lub taub hau luam ntawv tuaj yeem kav ntev. Tsis tas li ntawd, thaj chaw uas cov ntawv xov xwm thiab ribbons khaws cia tuaj yeem ua rau lub taub hau puas. Nyob rau hauv ob qho tib si, nws yog ib qho tsim nyog kom txo tau cov thermal label printers thiab printheads rau cov dej, kub ntau heev thiab lwm yam kab mob. Ib qho kev tsim thiab ua cov ntawv hloov pauv tuaj yeem sab laj nrog koj txog kev ua haujlwm ntxiv thiab cov tswv yim cia rau koj qhov chaw.

Qhov zoo

1. Kev tshawb fawb tsis tu ncua thiab kev tsim cov khoom tshiab:Rau txoj kev loj hlob ntawm thoob ntiaj teb kev ua lag luam, peb lub tuam txhab yog ua kom ob tug breakthroughs, namely Medical pob, thiab Tsheb spare qhov chaw pob, Lub Autobag pob tshuab thiab labeling, printing tov uas tau ntse nkag mus rau kev kho mob thiab tsheb lag luam. thiab txhim kho kev tsim khoom kom tau raws li qhov xav tau ntau dua ntawm cov neeg siv khoom.

2. Kev tswj hwm kev ncaj ncees:Peb lub tuam txhab tau tsim kom muaj kev sib raug zoo nrog kev sib raug zoo nrog ntau tus neeg tsim khoom. Peb lub tshuab lub ntsiab tseem ceeb yog siv thoob ntiaj teb hom, siv Kev tswj hwm kev ncaj ncees tau yeej qhov kev nyiam ntawm feem coob ntawm cov neeg siv khoom. Peb cov neeg muas zaub yog thoob plaws hauv tsev thiab txawv teb chaws.

Yuav Ua Li Cas Peb Ua Peb Cov Thermal Printheads Muaj Kev Ntseeg Siab?

Zog tsis kam

Lub zog tsis kam yog hais txog kev ua haujlwm ntev ntawm lub tshuab cua sov hauv qab lub zog uas tsav lub thermal printheads. Kyocera muaj cov qauv thiab txheej txheem los txhim kho lub zog ua haujlwm.

Abrasion Resistance

Thermal printheads tuaj yeem siv ua ke nrog cov ntawv luam tawm xws li thermal ntawv lossis number case ribbon. Txij li thaum luam ntawv yog ua tiav los ntawm kev sib chwv cov ntawv thermal lossis number case ribbon, qhov saum npoo yuav raug hnav thaum lub sijhawm luam ntawv, tshwj xeeb tshaj yog rau cov tshuab luam ntawv barcode ntawm kev kub ceev. Abrasion kuj yog ib qho tseem ceeb uas yuav tsum tau muaj kev cuam tshuam rau lub neej ntawm cov tshuab luam ntawv vim tias kev txhim kho roj kuj thiab khawb kev ua haujlwm rau kev tshaj tawm kuj xav tau. Kyocera muaj ib tug lineup ntawm overcoats uas ua tau raws li ntau yam kev ua yeeb yam.

Environmental Resistance

Nyob rau hauv xyoo tas los no, thermal printheads tau paub ntau dua thiab nyob ze rau peb lub neej niaj hnub. Piv txwv li, daim pib tshuab ntawm chaw nres tsheb. Cov tshuab luam ntawv thermal yog siv rau hauv qhov chaw raug cua, nag, thiab lwm yam hnyav rau cov tshuab luam ntawv. Yog li ntawd, kev tiv thaiv ib puag ncig siab yuav tsum yog qhov tseem ceeb.

QA & QC

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FAQ

Q: 1.Lub tshuab luam ntawv Thermal yog dab tsi?

A: Lub tshuab luam ntawv thermal yog ib hom tshuab luam ntawv uas siv lub tshuab luam ntawv thermal uas siv lub taub hau kub kub los tiv thaiv qhov nruab nrab los tsim cov ntawv dub lossis cov duab. Lub tshuab luam ntawv rhuab yog ua kom cov ntawv tshwj xeeb uas tau kho (hu ua cov ntawv thermal) los yog hloov cov ntaub ntawv los ntawm ib lub ribbon thiab khi rau nruab nrab, nyob ntawm seb hom tshuab luam ntawv thermal. Lawv feem ntau siv los ua cov ntawv sau, daim ntawv txais nyiaj, barcodes, daim npav ID thiab ntau daim ntawv thov thoob plaws ntau qhov kev lag luam.

Q: 2.Lub tshuab luam ntawv thermal ua haujlwm li cas?

A: Tsis yog luam ntawv ncaj qha mus rau saum npoo ntawm cov khoom siv luam ntawv xws li thermal luam ntawv ncaj qha, lub taub hau ntawm thermal hloov tshuab luam ntawv nias lub wax-coated number case ribbon (los yog ribbons) rau saum npoo ntawm cov khoom luam ntawv. Cov ciab yog melted, nthuav tawm tus number case, uas yog pauv mus rau cov khoom luam ntawv thiab dries muaj.
Qhov txiaj ntsig tseem ceeb ntawm hom tshuab luam ntawv thermal no piv rau lub tshuab luam ntawv thermal ncaj qha yog tias cov ntawv luam tawm tsawg dua yuav ploj zuj zus mus, thiab koj tuaj yeem luam tawm ntau xim ib zaug (xws li koj lub tshuab luam ntawv muaj ntau cov ribbons). Uas tau hais tias, nrog rau kev qhia txog cov ribbon, uas yuav tsum tau hloov, cov nqi tu mus sij hawm ntev tuaj yeem ntau dua. Thiab nrog ntau qhov txav mus los, cov tshuab luam ntawv no yuav ua rau me ntsis ua rau muaj teeb meem kev ua haujlwm-txawm tias lawv tseem ntseeg tau thiab ruaj khov.

Q: 3.Dab tsi yog thermal printheads?

A: Lub thermal printhead yog qhov tseem ceeb tshaj plaws rau kev hloov pauv thermal lossis lub tshuab luam ntawv ncaj qha thermal. Nws muaj cov khoom cua sov, uas ib zaug rhuab, hloov tus number case los ntawm thermal hloov ribbon mus rau lub substrate (thermal hloov) los yog ua rau lub tshav kub-rhiab thermal ntawv tig dub (direct thermal).
Lawv feem ntau yog tsim los kom haum rau ib leeg, lossis xaiv ob peb lub tshuab luam ntawv qauv. Lawv tuaj yeem muaj ntau yam kev luam tawm tab sis feem ntau yog 203 lossis 300 dpi thiab ib txwm siv lub taub hau lossis ze-ntug luam thev naus laus zis.

Q: 4.Yuav ua li cas tu koj lub thermal barcode tshuab luam ntawv taub hau?

A: Khiav koj lub tshuab luam ntawv ntawm qhov ntsuas kub qis tshaj plaws lossis qhov chaw tsaus ntuj.
Ntxuav koj lub taub hau txhua zaus koj hloov ribbon (los yog cov ntawv thermal, yob cov ntawv). Kuv paub tias suab tsis txaus, tab sis nrog kev ntxuav dej cawv, nws tsuas siv ob peb feeb xwb. Tiv tauj peb thiab peb yuav xa koj cov ntaub ntawv luam tawm dawb.
Txo lub taub hau siab. Nrog cov tshuab luam ntawv me me, koj tsis muaj qhov kev xaiv ntawd, tab sis nrog cov tshuab luam ntawv loj dua, muaj cov ntiv tes xoo uas tso cai rau koj kom txo tau lub taub hau luam ntawv.
Yog tias koj siv thermal ribbons, xyuas kom lawv dav txaus los npog tag nrho qhov dav ntawm cov ntawv koj luam tawm.
Ua kom koj cov ntawv luam tawm qeeb. Qhov qeeb qeeb qhov zoo.
Ntsuam xyuas txawv thermal tshuab luam ntawv ribbons. Cov qauv sib txawv ntawm ribbons tuaj yeem muab cov txiaj ntsig zoo tshaj plaws ntawm qhov kub thiab txias - ua rau lub neej ntev dua thermal printhead. Tiv tauj peb thiab nug qee cov qauv ribbon rau koj los kuaj.
Tsis txhob nqa riam los yog ntsia hlau rau koj lub tshuab luam ntawv. Yog tias daim ntawv lo tau daig, siv isopropanol cawv los ntxuav daim ntawv lo. Cov khoom ntse ua rau cov tshuab luam ntawv puas tsuaj - thiab yuav ua rau koj them nyiaj.

Q: 5.Lub thermal printheads ntev npaum li cas?

A: Tsis muaj ib lo lus teb rau lo lus nug no. Nws nyob ntawm qhov kev siv ntawm kev siv, koj cov kev cai luam ntawv zoo, thiab cov kev hloov pauv xws li lub tshuab luam ntawv teeb tsa thiab kev siv tus cwj mem ribbons. Raws li cov chaw tsim khoom tshwj xeeb, lub taub hau tuaj yeem luam tawm txog 10 lab daim ntawv lo.

Q: 6.Lub hom phiaj ntawm lub tshuab luam ntawv thermal yog dab tsi?

A: Tsis zoo li cov tshuab luam ntawv inkjet lossis dot matrix, cov tshuab luam ntawv thermal siv lub taub hau kub los tsim cov duab. Cov txheej txheem no tsim cov duab nrog cov ntawv luam tawm zoo uas tuaj yeem tiv taus kev tsim txom ntau dua.

Q: 7.Dab tsi yog qhov teeb meem ntawm lub tshuab luam ntawv thermal lub taub hau?

A: Yog tias koj lub tshuab luam ntawv thermal teeb tsa siab dhau lawm, qhov ntawd yuav ua rau cov duab smudge thiab ua rau cov ntawv luam tawm tsis pom tseeb. Thiab yog tias qhov chaw kub kub tsawg dhau, koj cov duab luam tawm tuaj yeem tshwm sim tsis muaj zog lossis ploj mus.

Q: 8.Dab tsi yog qhov ua haujlwm ntawm thermal luam lub taub hau?

A: Thermal printheads yog cov cuab yeej siv los luam tawm siv cov ntaub ntawv thermally (xws li cov ntawv thermal, thermal hloov ribbon) los ntawm kev siv zog ntawm cov resistors mounted ntawm lub substrate los tsim joule tshav kub.

Q: 9.Dab tsi yog lub peev xwm ntawm lub tshuab luam ntawv thermal?

A: Cov tshuab luam ntawv no tuaj yeem tsim cov ntawv luam tawm tau zoo sai, ua rau lawv zoo tagnrho rau cov ntawv thov xws li cov ntawv txais nyiaj muag khoom, cov ntawv xa khoom, thiab cov dab teg. Cov tswv lag luam uas xav tau cov kev daws teeb meem zoo tshaj plaws thiab cov nqi luam ntawv tuaj yeem xaiv cov tshuab luam ntawv uas tsis tshua muaj nqi, tsis tshua muaj nqi.

Q: 10.Dab tsi yog qhov txawv ntawm thermal tshuab luam ntawv thiab barcode tshuab luam ntawv?

A: Cov tshuab luam ntawv barcode kuj yog cov tshuab luam ntawv thermal tab sis feem ntau siv cov tshuab luam ntawv thermal ncaj qha. Cov tshuab luam ntawv barcode uas siv thermal hloov luam ntawv muaj, txawm tias lawv kim dua.

Q: 11.Dab tsi yog qhov teeb meem ntawm lub tshuab luam ntawv thermal lub taub hau?

Q: 12.Yuav ua li cas hloov thermal tshuab luam ntawv taub hau?

A: Thawb lub tshuab luam ntawv tso tawm latch deb ntawm lub taub hau luam ntawv. Sab xis ntawm printhead tso tawm. Khawb qhov xoob, sab xis ntawm lub taub hau tawm ntawm lub tshuab luam ntawv. Rub nws tawm thiab mus rau sab xis me ntsis kom tau txais sab laug ntawm lub taub hau kom meej.

Q: 13.Lub taub hau thermal luam ntawv ua haujlwm li cas?

A: Lub taub hau thermal printhead muaj cov dots (cov cua sov me me). Cov dots no yog tus kheej tswj hluav taws xob. Thaum tshav kub kub los ntawm cov dots yog ces pauv mus rau lub direct thermal ntawv (media) los yog thermal hloov ribbon. Lub tshav kub los ntawm tus qauv dot ua rau cov ntawv nyeem, barcode lossis duab ntawm cov ntawv.

Q: 14.Dab tsi yog qhov ua haujlwm ntawm lub taub hau thermal?

A: Thermal taub hau: Ua kom sov los tsim cov duab ntawm daim ntawv. Platen: Cov menyuam roj hmab uas txav daim ntawv. Caij nplooj ntoos hlav: Siv lub zog los tuav daim ntawv thiab lub taub hau luam ntawv ua ke.

Q: 15.Kuv puas tuaj yeem siv isopropyl cawv los ntxuav lub tshuab luam ntawv taub hau?

A: Yog, koj yog txoj cai ntxuav koj lub taub hau nrog cawv yog ib txoj hauv kev zoo. Nws yuav pab tau koj kom tshem tau cov clogged nozzles, qhuav number case, thiab lwm yam khib nyiab uas tuaj yeem khaws tau dhau sijhawm.

Q: 16.Koj puas yog cov chaw tsim khoom, tuam txhab lag luam lossis ib tus neeg thib peb?

A: Peb yog cov chaw tsim khoom, peb muaj peb lub Hoobkas

Q: 17.Koj lub Hoobkas nyob qhov twg?

A: Peb lub Hoobkas chaw nyob yog: Lub Tsev 11, No.15 Xinzhou Road Wuxi nroog Jiangsu. Suav teb 214028

Q: 18.Kuv tuaj yeem tau txais koj lub Hoobkas li cas?

A: Peb lub Hoobkas nyob ze ntawm tshav dav hlau shanghai,

Q: 19.Yog tias kuv yuav tsum tau nyob hauv koj qhov chaw ob peb hnub, puas tuaj yeem sau lub tsev so rau kuv?

A: Nws yog ib txwm kuv txaus siab, cov kev pabcuam hauv tsev so muaj.

Q: 20.Dab tsi yog kev kho vaj tsev rau kev tu lub tshuab luam ntawv taub hau?

A: Feem ntau, siv isopropyl cawv thiab ib daim ntaub dawb lint lossis swab -- cawv evaporates sai sai yam tsis muaj cov seem seem. Yog tias cov ntawv luam tawm nozzles tau txhaws, koj yuav muaj kev cuam tshuam ntau dua ua ntej koj.

Cim npe nrov: Tuam Tshoj Thermal Barcode tshuab luam ntawv taub hau lwm tus neeg, Hoobkas