We put all the wires aside and plug the motherboard in directly:





If you take apart the high-pressure package, just remove the two screws on the back:

If we remove the pipe, we only need to remove the following four screws:

And then there’s the line:


Let’s take it off:

Then we’ll take the ink core up:







First power on, then let’s run it directly to see if we can skip 5 steps and see how the motor is installed:

