
4. Interlock Switches
No.
Name
Description
30
Interlock Switches
If the fusing unit cover and/or top cover are open, these
interlock switches interrupt the +5VLD power supply for
the laser diode and the +24VD power supply for the
power pack, motors, and other components.
5. Others
No.
Name
Description
16
Stamper Ass’y
This stamps a red circle on each page that is
successfully fed through the scanner.
20
Quenching Lamp
This removes excess charge from the drum at the end
of the print cycle. This is a part of CTM.
21
Charge Corona Unit
This applies a charge to the drum at the start of the
print cycle. This is a part of CTM.
23
Thermostat
This interrupts the ac power supply to the fusing lamp if
the temperature of the thermostat surface exceeds
400°C.
24
Thermistor
This monitors the temperature at the hot roller surface.
22
Fusing Lamp
The heat from this lamp fuses the toner to the paper.
18
Monitor Speaker
This allows the user to listen to the condition of the
telephone line.
33
Zener Diode
This ensures that the charge given to the drum by the
charge corona wire does not exceed -750 volts.
19
Ozone Filter
This removes ozone-laden air from the vicinity of the
drum.
August 2nd, 1995
OVERALL MACHINE INFORMATION
COMPONENT LAYOUT
1-13