2. Motors, solenoids, switches
Name
Circuit
diagram
code
Type
Function
1
Drive motor MM
DC motor
Drives all loads.
2
Toner
supply
solenoid
THS
Solenoid
Toner supply is
performed when the
solenoid is on.
3
PS
solenoid
RRS-A
RRS-B
Solenoid
When the solenoid is
on, the paper which is
resisted at the paper
gate (Resist roller) is
fed
4
Paper feed
solenoid
PFS
(Paper
Feed)
SOlenoid
Used only in the Z-26.
When the solenoid is
on, the paper takeup
roller is driven.
5
Interlock
switch
—
—
By opening the bottom
cover or remove the
TD cartridge, the
interlock switch
functions to stop the
power supply.
6
Power
switch
MSW
—
—
7
Power inlet
Inlet
—
AC cord connecting
terminal
3. Sensors, thermistor, thermostat
Name
Circuit
diagram
code
Type
Function
1
Paper feed
sensor
PID (Paper
in detector)
Photo sensor
Senses paper
entry.
2
Paper exit
sensor
POD
(Paper out
detector)
Photo sensor Senses paper exit.
3
Document
table
sensor
TPS
(Table
position
sensor)
Photo sensor
Senses the
document table
position.
4
AE sensor
AESP
(Auto
exposure
sensor)
Photo sensor
Reads the
document density.
5
Motor
encoder
sensor
MREP
(Motor
rotary
encoder
port)
Photo sensor
Reads the encoder
pulse.
6
Thermistor
HLTH
(Heat roller
thermistor)
Thermistor
Senses the fusing
temperature.
7
Thermostat
—
Thermostat
When the fusing
temperature rises
abnormally, the
thermostat opens
to stop power
supply to the
heater lamp.
(165°C type
employed.)
1
3
6
5
2
7
4
7
2
6
5
4
3
1
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