Fans - Canon ImageRunner iR8500 Series Service Manual

11.3.3 Fans

Figure shows the arrangement of the machine's fans and the directions of current. Table shows the names and the functions of the fans:
Ref.
[1]
[2]
[3]
[4]
[5]
[6]
[7]
[8]
[9]
[10]
[11]
[12]
[13]
[14]
[15]
[9]
[5]
[2]
[16]
[11]
[17]
[12]
Notati Name
on
FM1 Primary charging
assembly fan
FM2 Fixing heat discharge fan To discharge heat from around
FM3 Scanner cooling fan
FM4 Stream reading fan
FM5 Laser driver cooling fan
FM6 De-curling fan
FM7 Feeding fan
FM8 Drum fan
FM9 Inverter cooling fan
FM10 Pre-transfer charging fan To discharge ozone from around the
FM11 Power supply cooling fan
1
FM12 Power supply cooling fan
2
FM13 Separation fan
FM14 Laser scanner cooling fan To cool the laser scanner motor, to
FM15 Developing fan
[18]
[8]
[13]
[1]
[7]
[14]
[3]
[6]
F-11-4
T-11-14
Description
Prevents soiling of the wire in the
primary charging assembly
To cool the laser scanner unit
To cool the copyboard glass in stream
reading mode
To cool the laser driver PCB
To cool paper
To draw paper to the feed belt
To draw and cool ozone and stray
toner from around the drum
To cool the control panel inverter
pre-transfer charging assembly
To cool the DC power supply PCB
To cool the DC power supply PCB
To facilitate separation of paper from
the drum
insulate from the fixing assembly
To cool the developing assembly
[4]
[10]
[15]
E code Alarm code
E824
E805 -
E121-0001 -
- 330010
E121-0002 -
- 330001
- 330002
E820 -
E251 -
E823 -
E804 -
E804 -
E830 -
E111 -
- 330006
Chapter 11
0008-8982
11-9