I have a Canon TR4551 that has stopped printing in colour (regardless of settings). I have undertaken a factory reset and de-installed and re-installed drivers.
There are no apparent error messages and the ink tank shows as over half full.
I would appreciate any ideas as to what I can attempt next.
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Have you performed maintenance?
Nozzle check pattern
Cleaning or deep cleaning cycle.
This is usually the best place to start.
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