Canon NP6218, FY8-13EX-000 service manual Outputs from the DC Controller PCB 1/3

CHAPTER 2 BASIC OPERATION

F. Outputs from the DC Controller PCB

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

Door switch

A

Cassette heater (H4)

Cassette heater (H5)

				Composite power
			BP102 BP103 BP101 supply PCB
				+5V
Anti-condensation				RL102
switch (SW1)
Lens heater (R1)
				25V
Fuse (FU1)				RL101
Fixing heater
(H1)		Heater
			B
		ON		B
	Fixing
A		detection
	heater	PCB
	driver
Fluorescent lamp heater			Thermal
switch (SW2)			control
			circuit
Fluorescent lamp heater
(H2)				Q512
Fluorescent lamp			Scanning
(FL1)			lamp control
			circuit
Primary charging roller
Developing cylinder			High-voltage	Micro-
Transfer roller			circuit	processor
Static eliminator
	Toner level		+24V
	detection
	sensor
			Figure 2-108

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.

+5V (on when power is turned on)

HTON* When heater is on, '0'.

Communication with composite power supply PCB.

TEP*	When '0',cartridge
	indicator turns on.

2-8 COPYRIGHT © 1997 CANON INC. CANON NP6218 REV. 0 MAY 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)