Canon PIXMA MP620 Series Getting Started page 6

Open the Paper Output Tray (A), then lift the
Scanning Unit (Cover) (B) until it locks into place.
A
Raise the Print Head Lock Lever (E).
(8)
(A)
The Scanning Unit (Cover) (8) is fixed automatically.
The Print Head Holder (C) comes out. (This is where
you install the Print Head.)
o
A
A
• Close the Document Cover (D) and lift it with the
Scanning Unit (Cover).
• Firmly raise the Print Head Lock Lever until it stops. (The
Print Head Lock Lever may feel heavy.)
• Do not handle the Print Head
roughly such as applying them
excessive pressure or dropping
them.
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• The Print Head Holder makes a noise as it moves.
This is normal operation.
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If the Print Head Holder does not move, make sure that the
machine is turned on.