MINOLTA-QMS PagePro 4100 Series Service Manual page 31

Symbol Name
PWB-D Laser Diode Drive
Board (inside of the
Print Head Unit)
PWB-G Toner Empty Sensor
PWB-O Control Panel Board
(for 4100W, 4110W)
PWB-OP Control Panel Board
(for 4100E, 4100GN)
PWB-P Controller Board
(for 4100W, 4110W)
PWB-RS PS_ROM Board
(option for 4100E,
4100GN)
S1 Power Switch
S2 Interlock switch
SL1 Paper Take-up
Solenoid
TH1 Thermistor
TS1 Thermostat
Function
Detects the starting point of printing via the laser
diode and SOS sensor, and exposes the PC Drum
with the laser beam according to the image
signals.
Detects when the toner is empty.
The signal is "low" when empty is detected.
Contains with the display and key to enable the
operation of the machine.
Contains with the display and key to enable the
operation of the machine.
Communicates with the Personal Computer and
the Mechanical Control Board, and controls all
printer operation.
PS Font ROM Board of Adobe PostScript3
correspondence.
Turns ON or OFF the printer.
Detects the opening or closing of the top cover.
Cuts output voltage (except 5 VDC) when the Top
Cover is open.
Transmits the drive of the Main Motor to the
Paper Take-Up Roller.
Detects the temperature of the Heat Roller,
measures the temperature on the surface of the
Heat Roller, and sends the data to the main control
board.
Cuts power to the Heater Lamp (H1) when
overheating (205°C or 401°F) is detected at the
Fusing Section.
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