Canon imagePROGRAF PRO-300 13" Photographic Inkjet Printer - Manual (Page 111)

Inside View
A: Print Head Lock Lever
Locks the print head into place.
B: Print Head Holder
Install the print head here.
Important
• Do not raise the print head lock lever after installing the print head.
Note
• For details on replacing an ink tank, see Replacing Ink Tanks .
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