Canon imageRUNNER ADVANCE 4551i Service Manual page 254

2. Remove the harness of the HDD Unit [1].
• 2 Connectors [2]
• 1 Wire Saddle [3]
• 1 Harness Guide [4]
NOTE:
3. Turn over the Main Controller PCB [1], and remove the HDD Unit [2].
• 4 Screws [3]
NOTE:
After replacement of the Main Controller PCB, there is no need to set/register the data again.
2x
[1]
2x
[3]
[2]
[2]
4x
[1]
241
4. Disassembly/Assembly
[1]