7. PWB unit
No. Name Function
1 Exposure lamp invertor PWB Exposure lamp (Xenon lamp) control
2 GDI/USB PWB For GDI/USB interface
3 Main PWB (MCU) Copier control
4 FAX control PWB For FAX control
5 Memory PWB 6MB For memorizing data
6 FAX operation PWB Operation input/LCD display
7 LSU PWB For laser control
8 LSU motor PWB For polygon motor drive
9 TCS PWB For toner sensor control
10 Operation PWB Operation input/display
11 CCD sensor PWB For image scanning
12 Power PWB AC power input, DC voltage control, High voltage control
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AR-F152
4 – 6
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