Sharp AL-1020

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
(2)
(4)
(1)
(3)
(5)
(6)
(7)
(8)
(9)
AL-1250
3-5