Service Manual
Y101700-5
1-12
1.11 PWB unit
No.
Name
Function
1
Exposure lamp invertor PWB
Exposure lamp (Xenon lamp) control
2
GDI PWB
For GDI interface
3
Main PWB (MCU)
Copier control
4
Memory PWB 4MB
For memorizing data
5
LSU PWB
For laser control
6
LSU motor PWB
For polygon motor drive
7
TCS PWB
For toner sensor control
8
Operation PWB
Operation input/display
9
CCD sensor PWB
For image scanning
10
Power PWB
AC power input, DC voltage control, High voltage control