Can anybody tell me what are the different sizes of cartridges?
Are there any general rules about what brands take what sizes?
Do any brands have their own cartridge size (and can't accept generic carts)?

Thanks.

Jeen,

Almost a primer here thanks to Martin and TWD

http://www.thewritingdesk.co.uk/ink_cat/cart_compat.html

Jim

We have some info here.

HTH,

Martin

Oops, Jim beat me to it .

Martin

Great resource! Exactly what i was hoping to see.
Thanks.

There's also this: Pentrace Cartridge Compatibility Article

Bill