Refilling Lexmark Laser Print Cartridges?

[phiscock-g851W1bGYuGnS0EtXVNi6w at public.gmane.org]

Has anyone had any experience refilling the laser printer cartridges for a
Lexmark C530 printer? The cartridges are about $120 new, the printer takes
four of them and it's starting to add up...

Any advice or name of reputable supplier would be appreciated -

-- 
Peter Hiscocks
Syscomp Electronic Design Limited, Toronto
http://www.syscompdesign.com
USB Oscilloscope and Waveform Generator
647-839-0325

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