Specifications

AL-1551 EXTERNAL VIEWS AND INTERNAL STRUCTURES 4-5
6. PWB unit
No. Name Function
1 Exposure lamp invertor PWB Exposure lamp (Xenon lamp) control
2 Main PWB (MCU) Copier control
3 Operation PWB Operation input/display
4 Power PWB AC power input, DC voltage control, 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 Memory PWB 6MB For memorying data
10 GDI Printer PWB GDI Printer control
2
4
1
3
5
6
7
8
9
10