Specifications

25
POWER SUPPLY
The copier power is supplied as follows when the power cord is plugged in
or Power Switch S1 is turned ON.
1. When Power Cord is Plugged in.
Power Cord: Plugged
DC Power Supply 1 PU2: ON
DC24V: Output
Main Relay RY1: OFF
RY2C: OFF RY1C: OFF
RY3C: OFF
RY4C: OFF
RY5C: OFF
RY6C: OFF
RY7C: OFF
Drum Dry Heater H4: ON
Lower Paper Dehumidifying
Heater H5: ON
Developing Unit Dehumidifying
Heater H6: ON
Upper Paper Dehumidifying
Heater H7: ON
DC24V is not
supplied
(including
options).
RY5C: OFF
RY8C: OFF
DC36V is not
supplied.
DC36V: Output
DC Power Supply 2 PU3: ON
DC5V REM:
L
(S1C: A)
DC5V is not supplied
∗
1
∗
2
∗
1: DC24V is not supplied to H4, H5, and H7 if Drum Dehumidifying Switch
S9 and Paper Dehumidifying Switch S10 are OFF.
∗
2: When S1 on PWB-C is placed in the "A" position, the DC5V REM signal
which is input to PU2 goes LOW and, as a result, DC5V is not supplied.
PJ2-1,3
DC Power Supply Board PWB-C
PJ1C-3,4
PJ9-2,3
PJ3-1,3
PJIC-6
PJ8-3
∗
1
∗
1
AC power is not supplied.
PJ4C-6
PJIC-5
RY1C: Normally-open RY5C: Normally-open
RY2C: Normally-closed RY6C: Normally-open
RY3C: Normally-open RY7C: Normally-open
RY4C: Normally-open RY8C: Normally-open
M-201