http://www.proprint.co.uk/dell_inkjet_refills.htm
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http://www.kingkahler.com/T0529instructions.html
http://www.kingkahler.com/T0530instructions.html
think these links show equivilents
Personally I would sell it on and buy either an epson or canon these do not have print heads fitted to the res so they can be modified enough by compatable compaines asto not infringe patent,so there a lot cheaper to buy compatables