2-2 ●Main body internal parts arrangement
  (2) External views (rear side)
2.2 Main body internal parts arrangement
Air-purge 
connection port
Makeup 
reservoir
Ink reservoir
Maintenance 
cover
Recovery filter 
Pressure-reducing 
valve
Ink filter
Main ink tank
Exhaust duct 
connection port
Attention to the instruction of IJ printer
Stainless steel of the main body has the character it not to be easy rust, but it is
a possibility that rust is generated when leaving it for a long time.  To prevent rust
being generated, we will recommend that the surface of the main body be kept
clean as much as possible.