我不同意你的觀點.

I only use BW laser right now, but similar situation.

1 new machine about $70 ~ 100 for 500 pages toner
1 new toner (not replacment) $60 for 2,000 pages.

so overall toner is still cheaper than a series of machines.

So $60+x > x*4 --> x must be cheaper than 20.

所有跟帖： 

• agree. many laserjet come with half toner. -用戶名被占用了- ♂ (0 bytes) () 04/27/2013 postreply 09:33:19

• 黑白打印機和彩色打印機的toner價格是不同的 -ActRiot- ♂ (0 bytes) () 04/27/2013 postreply 18:42:47

• 這樣算： -π- ♂ (428 bytes) () 04/27/2013 postreply 19:21:41