4-19 
 
6 Remove the fastener fastening the pressure sensor to the joint and remove 
  the pressure sensor by pulling. 
[Caution] Put wiping paper under the Pressure sensor for ink dripping. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
7 After cleaning the portion stained with ink, wet the new O-ring with makeup and mount 
on the joint. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
8 Insert the pressure sensor to the joint and fix it with the fastener that was removed 
  in step 6. 
[Caution] Use a new O-ring. 
Mount carefully so that the O-ring does not fall out or is not pinched. 
 
9 Return the unit to its original state by performing the procedures in reverse order. 
 
10 Eject ink and make sure the ink pressure is normal.