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@KingBoko wrote:

Using my Dimension 4600 and wanting to print, the HP deskjet 400 each time returns to the status "change cartridge". I always use refilled cartridges. But if i connect the printer to my Inspiron 2600 it prints as usual??

What do i have to do with the dimension 4600??

Sounds like you have some HP software on the 4600 that's receiving a signal that you aren't using their cartridges.