Reader Heater; Led Lamp Unit; Reading Sensor - Canon imageRUNNER ADVANCE C3325 Series Service Manual

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Technical Explanation > Document Exposure > Overview > Reader Heater

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.
2 Technical Explanation > Document Exposure > Overview > Reader Heater
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