Outputs From The Dc Controller Pcb - Canon NP6218 Service Manual

CHAPTER 2 BASIC OPERATION
F. Outputs from the DC Controller PCB

1. Outputs from the DC Controller PCB (1/3)

Door switch
Cassette heater (H4)
Cassette heater (H5)
Anti-condensation
switch (SW1)
Lens heater (R1)
Fuse (FU1)
Fixing heater
(H1)
Fixing
A
heater
driver
Fluorescent lamp heater
switch (SW2)
Fluorescent lamp heater
(H2)
Fluorescent lamp
(FL1)
Primary charging roller
Developing cylinder
Transfer roller
Static eliminator
Toner level
detection
sensor
2-8
BP102 BP103 BP101
Heater
B
ON
detection
PCB
Scanning
lamp control
circuit
High-voltage
+24V
Figure 2-108
COPYRIGHT © 1997 CANON INC.
A
Composite power
supply PCB
+5V
RL102
25V
RL101
Thermal
control
circuit
Q512
Micro-
circuit
processor
CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)
DC controller PCB
HTRD See p. 6-1.
When '0', RL102 turns on
EHTRL* When '0' RL102 turns on.
When L102 turns on,
SW1 turns on,
and heater (R1) turn on.
PWSW* When '0', RL101
turns on.
(on when power is turned on)
+5V
HTON* When heater is on, '0'.
B
Communication with composite
power supply PCB.
When '0',cartridge
TEP*
indicator turns on.