Ricoh FAX2900L Service Manual page 18

21 May, 1999
4. Interlock Switches
No Name
12 Interlock Switches
13
5. Others
No Name
10 Paper Feed Clutch
14 Monitor Speaker
17 Fusing Lamp
18 Thermistor
20 Thermostat
22 Stamp Solenoid
If the fusing unit cover and/or top cover are open,
these switches interrupt the +5VLD power supply for
the laser diode and the +24VD power supply for the
power pack, motors, and other components.
Transfers drive from the paper feed motor to the paper
feed roller.
Allows the user to hear the telephone line condition.
The heat from this lamp fuses the toner to the paper.
Monitors the temperature on the hot roller surface.
Interrupts the ac power supply for the fusing lamp if
the thermostat temperature exceeds 400°C.
This turns on to stamp the document.
1-11
COMPONENT LAYOUT
Description
Description