Opening And Closing Ink Supply Valves - Canon iPF8400S Service Manual

Chapter 4

4.3.15 Opening and closing ink supply valves

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a) Opening and closing ink supply valves
1) Remove the ink tank cover unit.
2) Press valve lever [1] with a finger to open the ink supply valve.
[1]
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- If the printhead fixer lever is released with the ink supply valve to an ink tube open while the tube is filled with an ink, the ink in the tube could flow backward to
the ink tank unit, leaking through the hollow needle in the ink tank.
- If an ink supply valve remains open, as on occurrence of an ink supply valve open/close error, remove the valve motor unit and (see Disassembly/Reassembly >
Points to Note on Disassembly/Reassembly > Ink Tank Units) and close the ink supply valve.
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