Canon imageRUNNER 330 Service Manual page 302

CHAPTER 10 EXTERNALS/AUXILIARY MECHANISMS
n Reading by he Scanner (tdransmission)
Main power
switch ON
Feeding fan(FM1)
Laser scanner motor cooling
fan(FM5)*
Reversing guide cooling fan(FM9)
Fixing assembly heat discharge
fan(FM2/3)
Laser driver cooling fan(FM4)*
Laser scanner motor cooling
fan(FM6)*
Cleaner heat discharge fan(FM7)*
Drum cartridge cooling fan
(FM14/15/16)
System cooling fan(FM8)
DC controller cooling fan(FM17)
Low-voltage power supply
cooling fan(FM10/11)
Reader cooling fan(FM12/13)
Scanner motor cooling fan(FM18)
* FM4, FM5, FM6, and FM7 start to rotate at full speed in response to
the following; however, they will maintain the condition shown in
the chart even during SCAN depending on the setting under
"time for shift to noise reduction mode":
• A key is pressed.
• An original is placed in the feeder.
• The copyboard cover or the feeder is opened. if '1' through '9',
10-8
COPYRIGHT © 1999 CANON INC. CANON imageRUNNER 400/330 REV.0 JAN. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON)
Copy Start
key ON
SCAN
STBY
Figure 10-205-1
STBY
: Full-speed rotation.
: Half-speed rotation.