AR-M150/M155/M155X EXTERNAL VIEWS AND INTERNAL STRUCTURES 4 - 5
6. PWB unit
(With optional SPF/RSPF and FAX installed)
No.
Name
Function
1
Exposure lamp inverter PWB
Exposure lamp (CCFL) 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 (In the LSU)
7
TCS PWB
For toner sensor control
8
LSU PWB
For laser control (In the LSU)
9
FAX-operation PWB
FAX operation input (AR-FX9 option)
10
Modem PWB
FAX control (AR-FX9 option)
1
5
2
8
6
7
3
4
9
10