T
echnical
B
ulletin
PAGE: 2/4
Model:
Shepherd-P1
Date:
16-Nov-18
No.:
RJ093007
Reason:
If ink tube is not correct position, the air will be supplied instead of ink or ink is not
supplied correctly. The air will be supplied instead of ink when ink surface is below the
end of ink supplying tube. When air is in the ink supplying tube, the air may cause
nozzle clogged or flowing inks into the air tube by negative pressure broken. The
following cases are not good.
No good cases
Case 1
Case 2
Case 3
The length of tube is
too short. And it is
located upper position
than ink end detection.
The edge of the
tube faces upward.
Air
Air
