UX-4000MU
FO-2950MU/C
2) Printing control (PCU)
The CPU and ASIC control printing.
1. Blockdaiaglam
Main motor
Heater lamp
control circuit
High
voltage
generating
circuit
Solenoid
PUS
Motor
driver
Driver
Driver
Driver
Driver
Laser scanning unit
Laser start
position
sensor
Laser diode
Scanning motor
IEEE1284
I/F Connector
Reset circuit
PIN sensor
POUT sensor
PE sensor
Door switch
CPU
(SH7041)
and
ASIC
(LR38784)
Host
computer
Thermistor
The PCU controls the following functions and items:
1
Rotation of the main motor (pulse motor)
2
High voltage output
3
Fusing temperature
4
Optical system (polygon motor/ laser APC circuit start)
5
400/600DPI resolution automatic selection
6
Temperature correction of fusing temperature and high voltage
output
Fig. 4
5 – 9
Summary of Contents for FO-2950M - B/W Laser - All-in-One
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Page 107: ...UX 4000MU FO 2950MU C Control PWB parts layout Bottom side 6 11 ...
Page 109: ...UX 4000MU FO 2950MU C 6 13 TEL LIU and Hook SW PWB parts layout ...
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