Sharp AR-BC260 Service Manual page 36

H. PWB 1
13
12
11
No.
Name
1 CL inverter PWB
2 MFP PWB
3 Flash PWB (OP)
4 Flash PWB (SCN)
5 Document detection LED PWB
6 CCD PWB
7 Lift-up unit PWB tray
8 Manual feed VR PWB
9 Process control PWB (for black)
10 Process control PB (for color)
11 Document detection light receiving PWB
12 Operation PWB
13 INV/LVDS PWB
14 Network PWB
15 PRT controller PWB
16 Flash PWB (FONT)
17 Flash PWB (PCL)
18 Flash PWB (BOOT)
19 Flash PWB (ICU)
20 ICU PWB
21 Interface PWB
1
10
9
Drives the xenon lamp.
Corrects images from the CCD and controls the operation panel.
Includes the program to drive the OP PWB.
Includes the program to drive the SCN PWB.
Emits light for document size detection.
Converts document images into electric signals.
Detects the cassette size and interfaces the cassette lift-up motor signals.
Outputs manual feed width signals.
Outputs the black toner density on the transfer belt.
Outputs the color toner density on the transfer belt.
Outputs the document size detection signal.
Outputs the key operation signal.
Interfaces LCD from the MFPPWB and the touch panel signal, and drives the LCD
backlight.
Network connection PWB
Printer control PWB (HDD, NIC standard)
PWB which has font data
PWB which has the printer controller control program
PWB which has the program to boot the printer controller
Includes the program to drive the ICU PWB.
Performs image process and controls LED.
Signal interface
AR-BC260 EXTERNAL VIEW AND INTERNAL STRUCTURE 6 - 10
2
21
3
4
Front / right side / top view
Parts
Function
5
6
14
15
16
17
18
20
19
7
8