MX-M264U EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 11
13.PWB 14.Roller
No. Name Function and operation
1 Document size
detection PWB
(Light emitting)
Drives the LED for the document size
detection.
2 Document size
detection PWB
(Light receiving)
Outputs the document size detection signal.
3 Scanner lamp drive
PWB
Drives the scanner lamp
4 CCD PWB Scans document images and performs A/D
conversion of the scanning signal.
5 USB I/F PWB USB I/F
6 KEY PWB Outputs the key operation signal.
7 LVDS PWB Converts the display data signal to the LCD
display signal. Controls the touch panel.
8 PCU PWB Controls the engine section.
9 SCU PWB Controls the scanner and the operation
section.
10 Tray interface PWB 2nd tray control
11 DC power supply
PWB
DC voltage control
12 High voltage PWB High voltage control
13 MFP control PWB Controls image data (compression,
decompression, and filing), and controls the
whole machine.
9
1
8
4
5
12
11
6
2
3
13
7
10
No. Name Function and operation
1 Paper exit roller Paper exit roller
2 Transport roller Paper transport roller
3 Upper heat roller Fuses toner on paper. (with the Teflon
roller)
4 Lower heat roller Fuses toner on paper. (with the silicone
rubber roller)
5 DUP transport
follower roller
Duplex paper transport
6 DUP transport roller Duplex paper transport
7 Transport roller Transfer images on the drum onto paper.
8 Resist roller Synchronize the paper lead edge with the
image lead edge.
9 Manual paper feed
roller
Picks up papers in manual paper feed port.
10 Manual feed
transport roller
Transports paper from the manual paper
feed port.
11 1st tray paper feed
roller
Transports the picked up paper to RESIST
section.
12 1st tray pick-up roller Picks up paper from the tray.
13 2nd tray paper feed
roller
Transports the picked up paper to RESIST
section.
14 2nd tray pick-up
roller
Picks up paper from the tray.
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