MX-3114N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 22
No. Name Function/Operation
1 MFP control PWB Controls image data (compression, decompression, and filing), and controls the whole machine.
Converts print data (PCL/PS) into image data.
2
PCU PWB Controls the engine section.
3
SCU PWB Controls the scanner and the operation section.
4 Scanner lamp drive PWB Drives the scanner lamp
5 CCD PWB Scans document images and performs A/D conversion of the scanning signal.
6 USB I/F PWB USB I/F
7 KEY PWB Outputs the key operation signal.
8 LVDS PWB Converts the display data signal to the LCD display signal. Controls the touch panel.
9 LD PWB Drives the laser diode and controls the power.
10 LSU mother PWB Controls the LSU. Generates the video data. Interfaces the MFP PWB, the scanner control PWB, the
operation PWB, the PCU PWB, and the FAX unit.
11 Driver PWB Drives the motor.
12
HL control PWB Drives the heater lamp.
13
DC POWER PWB Generates the DC voltage.
14 High voltage PWB (MC/DV PWB) Generates the main charger voltage and the DV bias voltage.
15
High voltage PWB (TC PWB) Generates the transfer voltage.
16 AC POWER PWB Controls the power of the heater lamp drive circuit..
17 Document size detection PWB (Light emitting) Drives the LED for the document size detection.
18
Document size detection PWB (Light receiving) Outputs the document size detection signal.
19 RSPF driver PWB Drives the motor, the solenoid, and the clutch in the RSPF section.
20 Right door PWB (26cpm/31cpm) Interfaces the right door unit signal.
21
SD card memory Stores the MFP PWB program data, the FAX image data, and the font data.
22
DIMM memory Memory for the printer
23
Printer Flash memory Stores the printer program data.
24
DSK Flash memory Stores the DSK program data.
25
HDD Stores the MFP PWB program data, the filing data, the e-manual data, the watermark data, the log data,
and the authentication data. Also used as a work memory.
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