HP Designjet 9000s Printer series - Manual (Page 143)

HP 790 Ink System Cleaning Kit
The HP Ink System Cleaning Kit is used to try to recover the printheads and clean the ink tubes when
the printer has been switched off for less than two weeks. The HP Ink System Cleaning Kit contains six
Cleaning Liquid cartridges and six Ink System Purging Cartridges.
ENWW HP 790 Ink System Cleaning Kit 133
Tell me about
the ink
system