Canon Selphy CP720 Circuit Boards Replacement

はじめに

This guide demonstrates how to remove the circuit boards from the Canon Selphy CP720. This may need to be done to replace faulty boards that are causing the device to not function despite all other parts working. This is a last resort replacement and should only be done if all other efforts have failed to get the device working.

必要な工具と部品

手順1 Screen

Canon Selphy CP720 Circuit Boards Replacement, Screen: 手順 1、 1の画像 1

Remove the three 6mm Phillips #1 screws.

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手順2

Remove the four 8mm Phillips #1 screws, located in each corner of the device.

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手順3

Grasp one half of the device's shell in each hand, and pull them apart. They are connected, so don't separate them completely.

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手順4

Lift the side panel off to expose the inside of the printer.

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手順5

Remove the four 8mm Phillips #00 screws that hold the upper circuit board to the shell.

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手順6

Remove two 8mm Phillips #00 screws from the yellow board.

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手順7

Remove the two 8mm Phillips #00 screws from the screen.
Lift off the circuit board, yellow board, and screen.

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手順8

Canon Selphy CP720 Circuit Boards Replacement: 手順 8、 3の画像 3

To separate the screen from the circuit board, grasp the data ribbon cable near the base of the black connector on the circuit board and pull parallel to the surface of the board, toward the screen.

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手順9 Circuit Boards

Canon Selphy CP720 Circuit Boards Replacement, Circuit Boards: 手順 9、 1の画像 1

Turning to the lower half of the printer, remove the two 6mm Philips screws, and the 8mm Philips screw in the hole in the metal plate. Remove the metal plate.

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手順10

Remove the flanged Philips screw from the circuit board, located just under the large data ribbon connecting both boards.

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手順11

Locate the connector on the edge of the board near the first two screws that you removed.
To unplug the connector from its socket, grasp it by the white plastic connection, and pull out from the circuit board, away from the center.

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手順12

Locate a second connector further down the same edge of the board .
Grasp the white plastic connector by the sides and pull it out, smoothly and firmly.

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