Don't forget eBay
My Samsung Laser Printer, which has only used two toner cartridges since I bought it eight years suddenly gave up the ghost when a cog, which turned out to be the only thing you can't replace, broke. I looked on eBay and got my best bargain yet: an A3 Hp laserjet for £125, and it works! The toner cartridge can be bought for as little as £70 and lasts 15,000 copies.
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