4-23 
4.7 Circulation Unit Replacement Procedure 
 
1 Perform “Ink drainage” and then “Pressure relief”. 
 
2 Turn off the power supply. 
 
3 Perform “4.1.2 Access to the parts on the front side of the equipment” and draw out the 
  reservoir unit. 
 
4 Perform “4.1.3 Access to the parts on the rear side of the equipment” “(1) Access method 
from the front” and open the unit door. 
   [Caution] Be careful not to catch the tubes. 
 
5 Remove the tubes (15 positions*) that are connected to the circulation unit. 
    
  [Caution] Be careful about ink dripping. 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
6 Remove the wire harness from the clamps (6 positions).