Even when I only want to print in black, the printer will not work due to one or more of the color cartridges being empty. This is a pretty shallow tactic by HP to insure their cartridges are purchased even if they will not be used. The cartridges this printer takes are of the type ?HP 0XL?. On each cartridge there is a chip called a ?Smart Tek Chip?. This chip most likely senses the presence of ink and relays it to the machine. There are four contacts on each chip, I believe if two of the contacts are jumpered, the printer will think there is ink in each cartridge and allow the user to print in black. The thing is, I don?t want to perform any trial and error to find out which contact to jumper for fear of damaging the printer.
I was wondering if someone out there can confirm or reject my theory of jumping the contacts on the chip? Has anyone ran into this problem and successfully spoofed a (HP) printer to detect ink in a cartridge? Any other ideas on what I can do to avoid buying color ink since I don?t need it?
I have not tried jumpering them, but I can tell you this:
It does not detect ink in the cartridge; my office HP has run out of ink and still reported 14% ink on magenta. Because of this, it will no longer print B&W faxes! I'd like to know about jumpering the carts as well.
OK, so what your saying is that HP resets the chips when they get carts back or always install new ones so they read full when someone first installs cart. Then as the cart is used, the chip acts as basically a timer that sends a signal to the printer, the ink is out when the timer reads "0".
Where can I get the resettable chips and the resetter? Where can I find replacement ink compatible with the printer? About how much does this hardware cost?
