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Hi. How long can HP Smart tank printer series 670/720/750/790 be left unused 

usually inkjet printer if left off for more than 1 month or so tends to get the cartridge dry. Please can some one explain that in new hp smart tank series how long can we keep the printer off  before the heads choke. 

2 REPLIES 2
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It depends on the environment, ink dries within 10 days if the printer is not being used.




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You are right. I am in Pakistan here we have been using HP 530, 515, 516 printers they tend to work even if left unused for a month.  my reason for asking for these models are because they are new and better was hoping they could even sustain more. 

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