Read Sharp MX-6240N / MX-7040N (serv.man23) Service Manual online
MX-7040N EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 22
15
AC power PWB
Controls the primary side power.
16
Paper size detection PWB (Paper feed tray 3)
Detects the paper size.
17
Paper size detection PWB (Paper feed tray 4)
Detects the paper size.
18
DC power PWB
AC cord 1 power monitor signal (FW signal output)
19
PCU PWB
Controls the engine section.
20
Driver PWB
Drives the motors.
21
TC2 PWB (High voltage TC2 PWB)
Generates the secondary transfer voltage.
22
Paper feed tray detection PWB (Paper feed tray 2)
Opens/closes the paper feed tray and detects paper.
23
MFP control PWB
Controls image data (compression, decompression, and filing), and controls the whole machine.
24
BD PWB
Detects laser and outputs the synchronous signal.
25
Right door interface PWB
Interfaces the signals of the sensors in the paper transport section.
26
LD PWB
Drives the laser diode and controls the power.
27
LSU PWB
Controls the LSU.
28
KEY PWB
Outputs the key operation signal.
29
Power lamp PWB
Power display lamp
30
USB I/F PWB
USB interface
31
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 area.
data, and the authentication data. Also used as a work area.
32
SD card memory
Stores the Main Reus program data.
33
DIMM 1
Main Reus memory (1GB)
34
DIMM 3
Sub Reus memory (1GB)
35
Sub Reus Flash memory
Stores the Sub Reus program data.
36
CF card memory
Stores the SOC program data.
37
SOCKET 1
SOC memory (2GB)
38
SOCKET 2
SOC memory (1GB)
No.
Name
Function/Operation
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