COMPONENT LAYOUT 14 June, 2002
Spec-10
Motors
No Name Description
3 Scanner Motor This stepper motor drives the scanner.
19 Cooling Fan Motor Cools the interior of the machine.
21 Lift Motor Lift the bottom plate of the paper tray.
24 Polygon Mirror Motor
This high-speed DC motor drives the hexagonal mirror in
the laser printer optics.
27 Main Motor
This stepper motor drives the AIO cartridge and the
fusing unit.
35 Paper Feed Motor
This stepper motor drives the registration roller and the
paper feed mechanisms in the main body and the
bypass tray.
Sensors
No Name Description
1 B4-width Sensor
This detects the presence of a B4-width (256 mm, 10.1")
document in the feeder.
2 ADF Upper Cover Switch
This detects whether the ADF upper cover is opened or
closed.
4
CIS (Contact Image
Sensor)
This sensor converts the light reflected from the
document into an analog video signal.
6 ADF Unit Switch This detects whether the ADF unit is opened or closed.
7 Paper Exit Sensor Detects when the paper feeds out of the printer.
9 A3-width Sensor
This detects the presence of an A3-width (297 mm,
11.7")document in the feeder.
10 MDF A3-width Sensor
This detects the presence of an A3-width (297 mm,
11.7")document in the MDF.
11 MDF B4-width Sensor
This detects the presence of a B4-width (256 mm,
10.1")document in the MDF.
12 Scan Line Sensor
This detects when a page is approaching the auto
shading position.
13 Document Sensor This detects the presence of a document in the feeder.
14 MDF Sensor This detects the presence of a document in the MDF.
15 Thermistor This monitors the temperature at the hot roller surface.
16 Thermofuse
This interrupts the AC power to the fusing lamp if the
temperature of the thermistor exceeds 470°C.
22 Paper End Sensor Detects when the paper in the tray has run out.
23 AIO Cartridge Sensor This detects whether the AIO cartridge is installed or not.
26
Laser Synchronization
Detector
Detects the laser beam at the start of the main scan.
29
Paper Tray Side Cover
Switch
Detects whether the paper tray side cover is opened or
closed.
30 Paper Size Detector
This detects the paper size installed in the tray. The user
must set the dial to the correct size.
32 Toner End Sensor Detects when the toner has run out.
34 Registration Sensor Detects when paper reaches the registration roller.
36 Paper Near End Sensor Detects when the paper has almost run out.
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