Now we need to install the ink core. Before we assembled the ink core, we need to install the pipe. See if the washers fall

This is the recovery pump:

Let’s install the PBA board first, before installation, the interface between the front and back should be arranged:

Then we install the PC board and the display, which are connected together:

When the machine is initially used, the ink core must be empty. Match the ink and solvent to their respective positions, and then insert them.