Sharp AM-900 Service Manual page 50

AM-900U
6. Switch/Sensor layout
No. PARTS NAME
1 Front sensor
2 ORG sensor
3 P-IN sensor
4 Bypass PE sensor
5 Inter lock switch
6 PO2 sensor
7 Roller switch
8 Toner sensor
9 Home position sensor
10 Tray cover sensor
11 PO1 sensor
12 Temperature fuse 216°C
13 Temperature fuse 152°C
14 Thermistor
2
1
9
6
TYPE
Microcircuit
Microcircuit
Microcircuit
Microcircuit
Microcircuit
Microcircuit
Microcircuit
Microcircuit
Microcircuit
Microcircuit
Photo transistor
Thermal fuse
Thermal fuse
Thermistor
10
8
13
3
4
5
Fig. 6
DESCRIPTION
When the document is set up in the hopper, the front sensor is on.
When the ORG sensor is on, the document is fed and scanning will be
started.
When this switch is turned on, paper transport.
When this switch is turned on, paper transport.
Detects the opening or closing of the Right Cover.
Detects when the paper is fed out.
Detects when the Pickup Roller is home position.
Detects when the Toner Cartridge is set.
Detects when CIS is ADF scanning position.
Detects when the Paper Tray is set up.
Detects when the paper is fed out.
When the heat roller temperature rises abnormally, this fuse cuts off the
power relay power line (+24 V line).
When the heat roller temperature rises abnormally, this fuse cuts off the
heater lamp power line.
Detects the temperature on the heat roller.
3 – 3
7
11
14
12