How can I prevent Canon error B504 from happening in the future?

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Grade: Education Subject: Support

Asked by: USER1386

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USER3242

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(286)

Preventive measures include handling your camera and lenses with care, avoiding sudden impacts or drops, ensuring lenses are properly attached and detached, and keeping the camera and lens mounts clean. Regular firmware updates for your camera can also sometimes address minor glitches.

Answered on 29 Agustus 2025

33. Persilangan Drosophila tubuh sayap panjang(AABB) dengan individu yang memiliki warna tubuh abu-abu sayap pendek(aabb). Jika A dan B terpaut dan a dan b terpaut maka F1 didapatkan AaBb(tubuh hitam sayap panjang). Jumlah gamet F1 yang terbentuk adalah

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URGENT!!!

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How can I prevent Canon error B504 from happening in the future?

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Answer (64)

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