Remove the screw:
We put all the wires aside and plug the motherboard in directly：
Drain the ink first. Run the ink pump, then unplug the ink supply tube and insert it into the waste bottle to drain the original
The most common is nozzle blockage, which can be divided into two cases. One is completely blocked, that is, when the machine starts up normally,
Then we look at the charging fault, we first need to look at the parameters, that is, whether the viscosity is right, whether OK is
The poor printing effect is that we print a line of words, only half printed out, or two lines of words, only printed out a
Remove the screw with a cross screwdriver：
The wrench is 2.5， Remove the four screws：
Let’s take the top two screws off and then take the board off:
This is the ink cartridge slot, we will install the ink tube here, put it tightly:
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