printer......

九百? 碳粉都買不了，墨水機選擇較多。

color laser printer price start with around $1500 for single print; while $2500 for multi-functional.

if you can printer very often, you can consider for inkjet printer.
brother / epson inkjet printer can use with cheap replacement cartridge.
e.g. 1) brother dcp J140w
http://www.toner999.com/hk/printer_view.asp?id=1549&pcategoryID=40&ptype=6&pname=Brother%20Brother%20%20DCP%20J140W&pmName=
2) hp 3520eAIO
http://www.toner999.com/hk/printer_view.asp?id=1510&pcategoryID=39&ptype=6&pname=HP%20HP%20Deskjet%203520%20eAIO&pmName=

but you'd action fast to buy, if you choose dcp j140w. as it'll fade out very very soon.

http://item.taobao.com/item.htm?spm=a2106.m872.1000384.9.OqrF3J&id=15656127656&_u=ln0vpi3a0f2&scm=1029.newlist-0.webpstd.110514&ppath=&sku=&ug=

彩色激光依部港紙$1152

ink is not expensive(muti-funtional) it just need $299,if you always print something, ink is better then laser.The reason is that ink will dry up so fast.
Ink have many kinds of "replace ink"(https://www.1312vip.com/printer/hp/ink.aspx),so it will not expensive.