Main Ink Tank Replacement Procedure - Hitachi IJ RX2 Service Manual

4.2 Main Ink Tank Replacement Procedure

4.2.1 Periodical Check Items on Service Maintenance
There is a case that the main ink tank would deteriorate earlier than usual depending on the
condition of customer use. Please check the main ink tank at the time of periodical service
maintenance.
- Is there tiny web of cracking?
- Is there any acetic smell?
- Is there any change of property on the plastic surface?
If there is any sign of above, change the main ink tank.
4.2.2 Replacement Procedure
1 Drain the ink in the main ink tank.
(Execute "Ink Drainage" or drain ink from the drain tube.)
2 Turn off the power supply.
3 Perform "4.1.3 Approach to the parts on the rear side of the equipment".
4 Remove the wire connecting part screws (3 positions) of the liquid level sensor in the
main ink tank, the recovery tube and the exhaust tube.
Blue
Black
Fixing screw
White
Exhaust tube
Recovery tube
4-5