Hi,
I keep get the error message that two black ink cartridges are installed, and my job won't print. There are supposed to be two black ink cartridges installed, right? BK 8 and PGBK 5
Jenny
-   ip 4200 kept saying it had 2 black cartridges installed...eventually I replaced one of the black cartridges and this solved the problem, but have just replaced magenta and it won't recognise it. I now have 3 cartridges sitting in the drawer, all brand new, all unusable.-   jacknscamp
Jan 23, 2009
-   I have just replaced the main black cartridge, (with a genuine canon cartridge, as per normal). The printer keeps flashing orange light 5 times. I understand this means it does not recognise the cartridge? But why not? and what can I do???? Thanks.
-   Almck5
Jan 03, 2009
-   I just used installed nonproprietary cartridges and probably screwed something up.-   Guest
Nov 11, 2008
-   Same problem here: ink tank not recognized, then when I pop it out and reinsert, two of the same ink tank installed. Many thanks to Canon for forcing us to use their proprietary (read: expensive) tanks by installing those chips onto them - I'm sure the chip is the problem here, and I'm betting that the only fix is simply to replace the tank.
-   I have the same problem with my ip4300 ...says I have 2 black inks, yes its supposed to.
Happend after I replaced the Magenta/yellow and black inks....yellow shows up as black...bought "chipped" ink but still the same-   Guest
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I've had three different ink tank errors. First, the printer did not recognize a new yellow cartridge. Second, the printer told me I had two yellow cartridges installed, and now, today, I got an error about my black cartridges. What's going on here?