e-STUDIO203S/203SD EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 5
6. PWB unit
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
FAX-operation PWB
FAX operation input (GD-1300 option)
10
Power PWB
AC power input, DC voltage control
11
Modem PWB
FAX control (GD-1300 option)
1
5
2
11
8
6
3
7
4
10
9
