Canon MultiPASS MP390 Service Manual page 50

Contents
3.1 Attention to be Paid During Assembly/Disassembly..........................................................................................3-1
3.1.1 Safety Cautions ............................................................................................................................................3-1
3.1.2 General Cautions..........................................................................................................................................3-2
3.1.3 Product-inherent Cautions............................................................................................................................3-3
3.1.4 Caution when replacing the SPCNT board ..................................................................................................3-4
3.1.5 Shipping the Main Unit................................................................................................................................3-4
3.2 Assembly and Disassembly ................................................................................................................................3-6
3.2.1 Disassembly/Assembly ................................................................................................................................3-6
3.2.2 Basic Disassembly .......................................................................................................................................3-6
3.2.3 Operation Panel Unit..................................................................................................................................3-12
3.2.4 Scanner Unit...............................................................................................................................................3-13
3.2.5 NCU Board, Modular Board ......................................................................................................................3-14
3.2.6 SPCNT Board ............................................................................................................................................3-16
3.2.7 Modem Board ............................................................................................................................................3-17
3.2.8 Print & ASF Unit .......................................................................................................................................3-18
3.2.9 Power Supply Unit .....................................................................................................................................3-20
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Contents