剛剛看了一下它的help

' Store ' and ' Restore back ' can be described as ' ink freezer ', because they don't reset anything, but allow You to maintain almost constant ink level.

原來 ink freezer 就是Store 和 Restore back .

然後它的網頁又寫
** - NOTE! It is impossible to reset ink counters in chips (CSIC) by software methods on this printers.
Use "ink freezer" function to maintain current ink level and "hot swap" to use refilled old cartridges.

有兩顆星的印表機要用ink freezer,然後再用hot swap
是不是要我們自己去買墨水填充,填完後軟體就能鎖定墨水位置