My Canon PRO-1 has started using absolutely VAST quantities of ink! I replaced a Matte Black cartridge yesterday, printed about 10 pictures at 6x4 and it needed replacing again! Printed 6 A4 pictures and once again it is empty. Other cartridges seem to exhibit similar behaviour, although not quite as extreme. Looking inside, there is no visible sign of ink leaking.
Any ideas?
Any ideas?
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