Epson SQ-1170 Service Manual page 64

a) Initial charge operation-1
This operation is performed when the printhead is not capped at the time the user operates the initial
charge operation. It consists of the cleaner blade operation-1, ink charge operation for 60 seconds,
negative pressure release operation, rubbing operation for 5 times, ink charge operation for 5
seconds, and negative pressure release operation. Then a series of rubbing operation (5 times), ink
charge operation (5 seconds), and negative pressure release operation will be repeated 3 times,
followed by the ink charge operation for 5 seconds, negative pressure release operation, and cleaner
blade operation-2.
b) Initial charge operation-2
This operation is performed when the printhead is capped at the time the user operates the initial
charge operation.
It consists of the ink charge operation for 60 seconds, negative pressure release operation, rubbing
operation for 5 times, ink charge operation for 5 seconds, and negative pressure release operation.
Then a series of rubbing operation (5 times), ink charge operation (5 seconds), and negative pressure
release operation will be repeated 3 times, followed by the ink charge operation for 5 seconds,
negative pressure release operation, and cleaner blade operation-2.
c) False initial charge operation
This operation is performed if one of the following conditions occurs when the user operates the
initial charge operation.
The initial charge operation has been performed 6 times or more.
The initial charge operation has been performed immediately after the previous one.
The initial charge operation has been performed 4 times or more in one day.
This operation prevents the user from consuming an excessive amount of ink in performing the initial
charge operation for too many times.
This operation consists of the ink charge operation for 60 seconds with the slider valve released, pause
for 10 seconds, ink charge operation for 5 seconds with the slider valve released, and the negative
pressure release operation. A series of the above operations are repeated 3 times, followed by the ink
charge operation for 5 seconds with the slider valve released, negative pressure release operation, and
cleaner blade operation-2.
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