Controls - Canon imageRUNNER ADVANCE C3330 Series Service Manual

LED lamp unit
On LED lamp unit, the light is generated from the 1 LED lamp PCBs (LED chip: 40 pieces per PCB).
Generated light is exposed to the original through the reflection plate.
Reading sensor
The Reading Sensor scans the image per 1 image line.
The Reading Sensor has 4 lines (R, G, B, B/W), but only uses 3 lines (R, G, B) when scanning images.
Related Error Codes
• E302-0001 : White Shading error
• E302-0002 : Black Shading error
Related Alarm Codes
• 02-0025 : Insufficient Scanner Unit LED light intensity alarm
■ Reader Heater
See "External Auxiliary > Heater Control" in Chapter 2.

Controls

■ Reading Speed
There are two patterns when the Reading Sensor performs reading depending on the combination of Copyboard/DF and 300
dpi/600 dpi.
Lens
LED (light source)
Mirror
No.4
Mirror
No.2
Mirror
No.5
Lens
Reflection Mirror
Line Sensor
[Red (R) line]
[Greeen (G) line]
[Blue (B) line]
[Black & white (B/W) line]
32
2. Technology
Mirror
No.3
Mirror
No.1