Canon iPF815 User Manual page 784

Maintenance > Printheads
9.
If the ventilation duct (a) is dirty, use a damp cloth that you have wrung out completely to wipe it clean. Move
the Carriage out of the way manually if the Carriage is concealing the ventilation duct, and then clean the duct.
11
10.
Pull the Printhead Fixer Lever forward all the way to open it completely.
768
Replacing the Printhead
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Important
• Do not touch the Linear Scale (a), Carriage Shaft (b), or Ink Tube Stabilizer (c). Touching these
parts may damage them.
• Never touch the metal contacts of the Carriage. This may damage the printer.
iPF815