Noritsu Cleaning cartridge H080643-00 for Dry printer

[davidlam]

Dear Sirs, 
Besides C, M, Y & K Ink cartridges. . Noritsu supplies also H080643-00 Cleaning cartridge too.
Any gentleman / expert knows . . 
# what is Noritsu Cleaning cartridge part no. H080643-00 DOING on Noritsu dry printers ? HOW TO USE ?  From wordings of course I know it is for "cleaning" but I would like to know more in details.

# what features or advantages we can have by using it ?
# Any "official goods description" document from Noritsu Japan about it ? thank you All for reading !

[davidlam]

Dear Sirs, sharing with you what I learnt today from Noritsu guy . . . that
On the new machine, you will see cleaner inside the machine before performing initial filling. After the machine is installed, cleaning cartridge will be seldom used actually.