FLORA LJ3208P - USB Board (116-0417-011)

Flora Digital Printing System
Model LJ320P
Copyright 2011@ Shenzhen Runtianzhi Image Technology Co.,Ltd. By Victor Xu
~21~
Note: D8~D15 are normal on, while D7 is off. Because the negative pressure tank is always
empty.
Power indicator:
All of these four LEDS will be normal on.
D3: 3.3V
D4: 5V
D5: 24V
D6: 24V
Status indicator:
D56: Fire indicator working normally: on
D57: Configuring indicator working normally: on
D58: TX indicator Transmitting data: on
D59: RX indicator Receiving data: on
Working indicator:
D16: Temperature indicator: heating, on; or it will be off.
D17: Working indicator: shine all the time
D18: Raster reader indicator: Carriage moving, on; carriage stopping, off
4.3.2 USB Board (116-0417-011)
The board is an interface between computer and printer, including functions as follow：
 Apply data of image from computer and save it into the buffer, waiting the data request
from the printing control board
 Conform the data and the order from computer, convert electric signal into light signal
and transmit it to the Printing control board; receive light signal form Printing control
board, convert them into electric signal and extract after separating them.
 Communicate with the other boards, servo driver and computer, to coordinate the
whole printer working.
 Take order form computer and control motion of the X axis and Y axis
D7 D8 D9 D10 D11 D12 D13 D14 D15
color NP Y M C K K C M Y
Fig.4.3.1-2 Indicators
Fig.4.3.2-1 USB Board
USB Indicator
Motion Indicator
PHB J1
PC
Communication
indicator
Linking
Indicator
PHB J11
SCB J7
Power
Indicator
5VDC
X-axis SD
Y-axis SD
SCB J5