When you refill an IBM 39V1637, 39V1638, 39V1639, 39V1640, 39V1641, 39V1642, 39V1643 or 39V1644 cartridge, you must replace the chip. This chip is already included with our refill kits.
When you refill an IBM 39V1637, 39V1638, 39V1639, 39V1640, 39V1641, 39V1642, 39V1643 or 39V1644 cartridge, you must replace the chip. This chip is already included with our refill kits.