e-STUDIO202S EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 6
6. PWB unit
2
5
8
1
4
3
7
9
6
No. Name Function
1 Exposure lamp invertor PWB Exposure lamp (CCFL) control
2 Main PWB (MCU) Copier control
3 Operation PWB Operation input/display
4 High voltage PWB High voltage control
5 CCD sensor PWB For image scanning
6 LSU motor PWB For polygon motor drive
7 TCS PWB For toner sensor control
8 LSU PWB For laser control
9 Power PWB AC power input, DC voltage control
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