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This Epson C9344 Maintenance Box Chip Resetter is developed for resetting IC chip stored on C9344 Maintenance Box. When Waste Ink Counter that is stored in IC chip is overflow - printer stops and require replacing Maintenance Box. But it can be easily reset by C9344 Chip Resetter.

Supported printer models:

• WorkForce WF-2810DWF, WF-2820DWF, WF-2830DWF, WF-2835DWF
• WorkForce WF-2840DWF, WF-2845DWF
• WorkForce WF-2850DWF
• WorkForce WF-2870DWF
• Expression Home XP-3100, XP-3105, XP-3150, XP-3155
• Expression Home XP-4100, XP-4105, XP-4150, XP-4155
• and other printer models that use C12C934461 Maintenance Box

Chip Resetter has a light indication of the status.

Instructions for resetting Waste Ink Counters IC chips:
Perform a reset before the ink level drops to 15%;
Firmly connect the diaper cartridge chip to the Chip Resetter - the indicator will light up in red - this means there is contact between the chip and the Chip Resetter;
Hold the chip and Resetter in this state for 5-6 seconds;
After 4-5 seconds, the indicator will change its color to green - this means that the chip has been reset successfully;
If the indicator does not flash in green, it is possible that the contact is bad or the power supply elements of the resetter are faulty. In this case, unscrew the 2 screws on the back cover of the resetter, take out the 3 pill batteries and replace them with new ones.

Here is the link You have to use to buy this Chip Resetter from international Aliexpress Store - BUY THIS CHIP RESETTER