for Epson Stylus Pro 7450 7800 7880C 9450 9800 9880C Paper Margin Sensor printer parts
The printhead is required to be installed by professional persons.
1.Before installing print head,you must make printer power off.
when finish installing,you can pushing a car moving gently With handle to check the head install ok or not.
2.Don’t contact ink when you insert the head cable.
And make sure contact well with the socket.If not,that maybe make the head short circui.
3.check cartridge’s ink is full or not,if cartridge’s ink level is too low,it will damage the head.
4.check wiper and capping is dirty or not.If direty,you need to change them.
5.The head may have air inside the nozzle, so would not be normal print,
it can only be normal after the head of the air discharge completely out line.
The internal air needs to completely discharged before it can be used normally.
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