Read Sharp AL-1252 (serv.man2) Service Manual online
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
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