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Related error code
E280- 000x: Scanner Unit communication error
• E280- 0001: Scanner Unit communication error
• E280- 0002: Scanner Unit communication error
E280- 010x: Scanner Unit communication error
• E280- 0101: Scanner Unit communication error
• E280- 0102: Scanner Unit communication error
E302- 000x: Error in paper front shading
• E302 - 0001: Error in paper front white shading
• E302 - 0002: Error in paper front black shading
• E302 - 0003: Error in paper front shading
E302 - 010x: Error in paper back shading
• E302 - 0101: Error in paper back white shading
• E302 - 0102: Error in paper back black shading
• E302 - 0103: Error in paper back shading
■ Duplex Reading Control
2-sided originals are read using simultaneous duplex reading.
With one feed, the Scanner Unit of the Reader Unit reads the front side and the Scanner Unit of the ADF reads the back side so
that both sides can be read without reversing the paper.
Scanner Unit
(ADF)
Scanner Unit
(Reader)
Pickup Feed System
■ Original size detection
This equipment calculates the original size in the feed direction using detection signals of the Document End Sensor (SR4206)
and the Registration Sensor.
Document End Sensor
Scanning position
for the rear side
Scanning position
for the front side
Controller PCB
Registration Sensor
(SR4206)
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2. Technology
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Troubleshooting
