Sharp DM-1505 - B/W Laser Printer Service Manual page 22

DM-1505
6. PWB unit
No.
1 Exposure lamp invertor PWB
2 Main PWB (MCU)
3 Operation PWB
4 Power PWB
5 CCD sensor PWB
6 LSU motor PWB
7 TCS PWB
8 LSU PWB
9 Memory PWB 6MB
10 I/F PWB
11 PCL control PWB
1
4
3
7
Name
10
11
2
9
Exposure lamp (Xenon lamp) control
Copier control
Operation input/display
AC power input, DC voltage control, High voltage control
For image scanning
For polygon motor drive
For toner sensor control
For laser control
For memorying data
I/F PWB between PCL and PC
PCL printer control
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5
8
6
Function