Cov tshuab luam ntawv tsis siv cov hom ntawv luam thiab cov qauv, tsis yog cov ntawv ua haujlwm dhau los thiab cov khoom siv tes ua luam, nws txuas nrog cov txheej txheem siab tshaj ntawm lub computer, nrog rau kev siv tshuab kev siv cuab yeej, luam tawm ntawm qhov chaw yog qhov xav tau kom luam tawm, kom tsis txhob muaj qhov teeb meem uas qhov chaw yog qhov offset los ntawm phau ntawv luam tawm. Vim tias nws yog ib zaug multi-colour printing, thiaj li tsis muaj teeb meem ntawm cov xim txuam. Cov kev zoo no tseem tuaj yeem ua ke nrog cov kos duab, kos duab thiab lwm yam dab tsi, ntawm thaj chaw carved sau duab zoo nkauj, los yog ua kom tiav qhov teeb meem tom qab luam ntawv.
Cov tshuab luam ntawv tsis tuaj yeem sau cov ntaub ntawv ntawm tawv siv tawv tawv, pob zeb, hlau, iav thiab lwm yam ntaub ntawv, tab sis kuj tuaj yeem sau rau ntawm cov tawv mos mos, ntaub ntaub, paj rwb thiab lwm yam khoom; nws muaj peev xwm sau tsis tsuas yog nyob rau hauv inorganic, tab sis kuj nyob rau complex, protean organic cov ntaub ntawv. Nws muaj ntau dua kev sib tw, kev siv lub tshuab hlwb hlau tsis xaiv cov ntaub ntawv ntawm kev luam ntawv, dej hloov luam ntawv, tab sis tseem yuav tsum tsis txhob muaj kev hloov ntawm thermal hloov mus rau tawv, ntaub, paj rwb thiab lwm cov khoom organic. Nws caters rau ntau cov kev xav tau ntawm kev lag luam, yog li ntawd uas yuav muab cov neeg siv nrog ntau cov kev pab cuam ntau lawm.
