Panasonic LUMIX DC-G9P Service Manual page 9

3.3.3. Lens Unit (Interchangeable Lens: H-ES12060)
3.3.3.1. About Lens Main Unit (Ref. 320)
1. Lens Main Unit (Ref. 320) is not supplied due to difficulty of the transportation issue (Fragile, Dust-free packing), and requires
critical lens adjustments.
Therefore, if there are any needs of the "Lens Main Unit" (Ref. 320), carefully confirm its performance in advance.
2. Once "Lens Main Unit" (Ref. 320) is confirmed as defective, place order "Lens Unit" (Ref. 300) and replace Shading Frame
(Ref. 310), to maintain Serial number of owner's original lens.
3.3.4. About Flexible Cable and Connector
Do not touch carelessly so that the foreign body should not adhere to the terminal part of flexible cable and connector.
Wipe off with a clean cloth and the cotton bud, etc. when the terminal part is dirty.
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