This morning when I was printing all of a sudden the printers low ink indicator light turns on (toner exhausted) even though there is a lot of ink left in it. When I press and hold the printer button it printed a message saying toner exhausted, service printer. The printer has printed 2100 sheets and it needs a servicing.
The printer is more than a year old so it has no warranty. This is a way to discourage refilling of cartridges. The sad part is that even if you change the cartridge it will not reset on its own. It needs to be serviced by a technician.
Anyways I read a few articles on the net and found an interesting hack. Here is what I did…
First of all open the back panel of the printer…
Now locate the IC 93C66. This is an EEPROM that the printer uses to store the number of sheets printed.
Now short the pin number 1 and 4. These pins are the Chip Select pin and the Data pin. So when the main micro controller tries to read the number of sheets printed it will not be able to do so.
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