4-11
7 Remove the fixing screws (8 positions) at the upper and lower
connecting parts of the circulation unit. The pump unit can be removed.
"Caution 1": When removing the screws with a screwdriver, hold the
lower side of the unit door so that the unit door and hinge
may not be deformed.
"Caution 2": Put wiping paper under the pump unit to provide for an ink
drip.
8 Clean the portion stained with ink and make sure that the O-rings (4
positions) are securely mounted in the concave parts of the lower-side
circulation unit. Then, install a pump unit by reversing the above
procedure.
9 Perform “Ink refill” and adjust the pressure. Make sure that there is no
ink leak.
10 Reset the pump time to "0" on the “Parts usage time management”
screen.
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