Canon imageRUNNER ADVANCE 4551i Service Manual page 278

4. Remove the Terminal Cover [1].
• 1 Claw [2]
5. Remove the screw [2] securing the terminal [1].
• 1 Screw [2]
1x
[1]
1x
[1]
[2]
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4. Disassembly/Assembly
[2]