MX-C250 EXTERNAL VIEW AND INTERNAL STRUCTURE 4 – 15
N.PWB
No.
Name
Function/Operation
1
HV PWB
Generates the high voltages for the following components: main charger units, primary transfer unit and DV Units.
2
MFPC PWB
Controls image data and machine functionality.
3
FAX PWB
Controls fax communication.
4
RINGER PWB
Generates the signal for calling the external telephone. (Japan only)
5
FAN I/F PWB
Controls the two-speed PSFM(Power cooling fan motor).
6
FAN I/F PWB
Controls the two-speed FUFM(Fusing cooling fan).
7
AFE PWB
Controls the CIS unit and receives the scanning image.
8
KEY-LED PWB
The LED for the machine condition, the Key for the input and the buzzer are equipped.
9
LCD PWB
Controls the LCD, the Key detection, the LED lighting and the buzzer drive.
10
AC/DC PWB
Supplies DC and AC Voltage to the machine.
11
CIS UN
Reads the original image.
12
BD PWB(KC)
Detects laser and outputs the synchronous signal. (KC)
13
BD PWB(MY)
Detects laser and outputs the synchronous signal. (MY)
14
LD PWB
Drives the laser diodes and controls the power.
15
LSUcnt PWB
Controls the LSU.
16
Wireless LAN PWB
Connects the network with the wireless connection. (Only wireless LAN model)
17
USB CN PWB
Connects Wireless LAN PWB. (Only wireless LAN model)
18
USB I/F PWB
Connects with the USB port on the front of the machine.
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