. ▁ ▁even ▁in exp ensive ▁all - in - one ▁devices ▁support ▁eth ern et ▁and / or ▁Wi - Fi ▁connections . ▁In ▁some ▁cases ▁the ▁wireless ▁devices ▁require ▁connection ▁to ▁a ▁host ▁computer ▁by ▁wire ▁( us ually ▁USB ) ▁to ▁initialize ▁the ▁device , ▁and ▁once ▁initial ▁setup ▁is ▁done , ▁support ▁wireless ▁operations ▁for ▁all ▁the ▁work ▁performed ▁there after . ▁ ▁All - in - one ▁devices ▁may ▁have ▁features ▁orient ed ▁to ▁home ▁and ▁personal ▁use ▁that ▁are ▁not ▁found ▁in ▁larger ▁devices . ▁These ▁functions ▁include ▁smart ▁card ▁readers , ▁direct ▁connection ▁to ▁digital ▁cam eras ▁( e . g . ▁P ict B ridge ▁technology ) ▁and ▁other ▁similar ▁uses . ▁ ▁The ▁print ▁engine ▁of ▁most ▁All - in - one ▁devices ▁is ▁based ▁either ▁on ▁a ▁home ▁desktop ▁in k jet ▁printer , ▁or ▁on ▁a ▁home ▁desktop ▁las er ▁printer . ▁ ▁They ▁may ▁be ▁black - and - white ▁or ▁colour ▁capable . ▁Las er ▁models ▁provide ▁a ▁better ▁result ▁for ▁text ▁while ▁in k jet ▁gives ▁a ▁more ▁convin cing ▁result ▁for ▁images ▁and ▁they ▁are ▁a ▁che aper ▁mult if unction al . ▁ ▁Some ▁of ▁these ▁devices , ▁like ▁the ▁H ew lett - Pack ard ▁Ph otos mart ▁C 8 1 8 0 ▁printer , ▁have ▁a ▁DVD ▁burn er ▁and ▁Light S cribe ▁functionality ▁where ▁the ▁user ▁could ▁burn ▁DVD s ▁and ▁create ▁an ▁image ▁on ▁a ▁special ▁L ights cribe ▁DVD ▁or ▁CD ▁using