31 March, 1999
ELECTRICAL COMPONENT LIST
1-21
Overall
Information
1.6 ELECTRICAL COMPONENT LIST
1.6.1 SENSORS
Symbol
Name
Function
Index No.
S19
Exit sensor
Detects exiting paper.
1
S17
Oil end sensor
Detects oil in the oil pan.
2
S14
Transfer belt H.P.
sensor
Detects the marks on the transfer belt.
3
S11
Transfer roller
position sensor
Detects when the transfer roller
contacts the transfer belt.
4
S2
Used toner sensor
Detects when the used toner tank is full.
5
S4
PCU reset sensor
Detects when a new PCU has just been
installed.
6
S5
Paper end sensor
Detects when paper in the first tray has
run out.
7
S8
ID sensor
Detects the toner pattern density on the
transfer belt.
8
S6
Pull-out sensor
Detects paper fed from the paper tray.
9
S10
By-pass paper end
sensor
Detects paper in the by-pass tray.
10
S15
Registration sensor
Detects paper at the registration roller.
11
S12
Toner end sensor
Detects whether there is toner in the
DTM.
12
S13
Revolver H.P.
sensor
Detects when the revolver is at home
position.
13
S16
DTM set sensor
Detects whether a DTM has been
installed.
14
1.6.2 SWITCHES
Symbol
Name
Function
Index No.
SW1
Main switch
Makes and breaks the 120/230 VAC
input power.
1
SW2
Exit cover switch
Detects when the exit cover is
opened/closed.
2
SW3
Door safety
switches
Makes and breaks 24 VDC and LD5V.
3
S7
Paper size switch
Detects the paper size in the standard
tray set on the dial by the user.
4
S1
PCU set switch
Detects whether the PCU and used
toner tank are installed.
5
S3
Charge corona unit
set switch
Detects whether the charge corona unit
is installed.
6
SW4
DTM cover switch
Detects when the DTM cover is
opened/closed.
7
