75abd686_HP_8250_printer__Component
[Features] The vent chamber separates the ink from the air removed from the printhead during pumping. The ink is pumped back into the cartridge and the air is purged from the system . [Benefits] Air is eliminated from the system and ink is retained for printing. [Component] 
Vent chamber
I n k c a r t r i d g e s
P u m p
I n k s e n s o r
F a c t o r y i n s t a l l e d p r i n t h e a d
V e n t c h a m b e r
I n k s u p p l y s t a t i o n
HP 8250 printer
Component