Customer has replaced print head, all toners, maintenance kit. Not sure what the next step will be. We service Canon copiers, customer has this wide format and we are working on it by default. Has given us error code ec07-4060, ec21-2f61, and ec23-2f18. Entered service mode to reset by power and touching screen in 3 different places, but its not what i'm used to on the copiers, doesn't seem to be the tech service mode. I would like to try and purge the ink tubes, but I don't want to buy a service manual for a machine I may never work on again. Any help is apprerciated
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EC07-4060 is Carriage EEPROM error - Replace Carriage Unit / Main PCB Unit
EC21-2F61 is Print Head Voltage Error (Reboot Request) - Reboot Printer
EC23-2F18 is Carriage PCB Communication Error - Replace Main PCB Unit
You either have an issue with the Main PCB or the connections with the carriage Unit need to checked
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