Operation; Controlling The Speed; Sequence Of Operations - Canon iR5000 Service Manual

CHAPTER 7 EXTERNALS AND CONTROLS

2.2 Operation

2.2.1 Controlling the Speed

Some of the fans used in the machine are controlled to two different speeds (F07-202-01),
switched over by changing the voltage by the work of the voltage switching circuit of each
fan.
DC controller PCB

2.2.2 Sequence of Operations

Printer unit
yyy
Feed fan
yyy
(FM1)
yyy
Primary charging
yyy
cooling fan (FM2)
Heat discharge fan
yyy
yyy
(FM3)
Controller cooling fan
yyy
(FM4)
yyy
De-curling fan (FM5)
yyy
DC power supply
yyy
(FM6)
yyy
Hard disk fan (FM7)
yyy
Duplexing feeding fan
(FM8)
7-4 P
Full speed
signal
Half speed
CPU
signal
Main
power switch ON
Control panel switch ON
Initial
Warm-up multiple Standby Printing
rotation
yyyyy
15 min
yyyyy
15 min
yyyyy
15 min
yyyyy
yyyyyy yyyyy
15 min
yyyyyy yyyyy
15 min
yyyyyy yyyyy
15 min
yyyyyy yyyyy
COPYRIGHT © 2000 CANON INC.
24V 12V
Voltage switching
circuit
F07-202-01
After
printing
yyy yyyyy
15 min
yyy yyyyy
yyyyy
15 min
yyyyy
yyy yyyyy
15 min
yyy yyyyy
yyy yyyyy
15 min
yyy yyyyy
yyy yyyyy
15 min
yyy yyyyy
F07-202-02
2000 2000 2000 2000
24V or 12V
Clock signal
Low
power
Jam Door open
mode
yyyyyy
yyyyyy
yyyyyy
yyyyyy
yyyyyy
yyyyyy
yyyyyy
yyyyyy
: full speed.
CANON iR5000/iR6000 REV.0 JULY 2000
Fan
Control panel
switch OFF
yyy
15 min
yyy
yyy
15 min
yyy
yyy
15 min
yyy
yyy
15 min
yyy
yyy
15 min
yyy
yyy
yyy
: half speed.