The performance of USB1.4e is same as USB1.4d , the interface is fully compatible,using the latest technology, effectively demoted the product cost.
All the head system which use USB1.4c/d before,only need to change the software fpga.dll document ,can continual use.
Before use of USB1.4c mother board, the ink supply 24V input and output need to be in turn,the details can be saw in the attachment.
Any question please contact our soft engineer , thanks .