Canon PRO-1 Wastes Ink

Gutarm

Print Lurker
Joined
May 13, 2026
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Printer Model
Canon pro-1
Hello, I bought a used Pro-1 and bought all new ink cartridges. After installing them, the printer has gone through two whole cartridges of CO and a whole cartridge of dark grey before I even had the chance to test print anything. Is that something I should expect or is there some problem with it? After installing the cartridges I can hear the ink pumping for what seems to be a very long time. Any help diagnosing the issue would be greatly appreciated.
 
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