Yuav ua li cas xaiv lub tshuab luam ntawv uv nozzle qhov no yog qhov tseem ceeb tshaj plaws, yog tias lub nozzle raug xaiv tsis raug, lub teeb yog nkim nyiaj ntau, qhov hnyav yuav ua rau tsis ua raws li qhov xav tau ntawm ntau lawm.Tom qab ntawd yog tias koj xaiv txoj cai printhead, pib nrog plaub yam, ntsig txog, luam ntawv raug, luam ntawv ...
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