Please follow the instruction to replace toner chip.

1. Prepare the used original toner cartridge and a small flat-head screwdriver.

2. Insert the screwdriver between the chip and the chip slot, and then gently pry out the chip from the original cartridge. 

3. Insert the chip into the chip holder as in picture 1 with reference to the direction of the arrow, and press the chip into the lock tab, when heard a "click" sound , the chip was install correctly. Picture 2 show the correct location of the chip. 

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