Nws yog qhov zoo dua los siv ntau hom ntawv chaw ua haujlwm, xaiv qhov tsim nyog tshaj plaws rau txhua chav lossis txhua pawg ntawm cov khoom siv hauv chaw ua haujlwm koom nrog qhov haujlwm. Koj tuaj yeem xaiv raws chav kawm raug muab rau daim ntawv lossis los ntawm kev saib xyuas cov ncauj lus kom ntxaws ntawm cov txwv uas piav qhia txog cov yam ntxwv ntawm daim ntawv hauv cov lej.
Cov Lus Qhia
Kauj ruam 1
Yog tias koj tsis muaj kiag sijhawm los cuam tshuam rau kev tsom xam ntawm cov khoom ntiag tug ntawm cov ntaub ntawv hauv chaw haujlwm ntau, tau ua los ntawm cov chav kawm zoo uas raug rau nws. Muaj plaub ntawm lawv - peb tus tau tsim los ntawm Latin cov tsiaj ntawv A, B, C, thiab ib qho ntxiv muaj lub npe "chav kawm ua lag luam". Cov kev txwv ntau tshaj yog ua raws li chav kawm A, thiab qhov pheej yig tshaj yuav kev lag luam. Ib lossis ntau daim pluses tuaj yeem raug ntxiv rau tsab ntawv - qhov no txhais tau tias qee qhov kev txwv cov ntawv sau dhau ntawm qhov yuav tsum ua rau chav kawm no. Piv txwv li, rau cov duab luam ntawv yooj yim tshaj plaws, kev lag luam qib ntawv yuav txaus. Rau lub tshuab luam ntawv nrog qhov nruab nrab ntawm kev tsim khoom (txog 35 daim ntawv luam ib feeb), koj yuav tsum yuav cov chav kawm ntawv C, yog tias cov ntawv luam tsis ntau tshaj 180 ib feeb, daim ntawv nrog B cim yog qhov tsim nyog, thiab cov khoom lag luam zoo dua yuav tsum siv ntawm chav kawm A.
Kauj ruam 2
Koj tuaj yeem xaiv daim ntawv thiab ntau dua kom zoo, them nyiaj rau cov kev ntsuas uas qhia ntawm pob. Ib qho ntawm qhov tseem ceeb - ntom ntom - yuav tsum nyob hauv thaj tsam li 80 txog 95 g / m². Daim ntawv ua tau zoo dua muaj qhov ntsuas ntau dua - rau ntawv tshaj xov xwm no yog 50 g / m², rau cov ntawv sau - 65 g / m², thiab tus nqi ntau tshaj yog 200 g / m².
Kauj ruam 3
Lwm qhov taw qhia yog qhov degree ntawm whiteness. Raws li cov txheej txheem ISO txheem, nws tuaj yeem hais tawm raws feem pua. Xaiv cov ntawv uas muaj qhov tsawg kawg 90%, thiab yuav tsum siab dua rau cov ntaub ntawv nthuav tawm zoo.
Kauj ruam 4
Lwm qhov ntsuas kuj tseem ntsuas hauv feem pua - av noo. Nws txiav txim siab seb qhov muaj tseeb npaum li cas ntawm cov ntawv jams rau hauv chaw ua haujlwm tshuab luam ntawv thiab tshuab luam ntawv. Xaiv daim ntawv nrog qhov qis tshaj tus nqi - qhov muaj nqis tsis ntau tshaj 5.3% yuav ua tau.
Kauj ruam 5
Rau cov ntawv luam ob sab, qib ntawm pob tshab ntawm cov ntawv tseem ceeb - qhov ntsuas no yuav tau txiav txim siab los ntawm qhov muag. Thiab los tsim cov ntaub ntawv nrog cov duab xim siv inkjet Diam duab luam ntawv, nws yog qhov zoo dua los siv cov ntawv tshwj xeeb - nws tso cai rau koj kom tau txais cov khoom zoo thiab ntev lub neej ntawm cov cuab yeej.
