Canon i550, Service Manual

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1. New Technologies
ASF features
- Retard separation method
- Stacking limit: 150 sheets (SK paper)
- Stacking height: 13mm
- Paper feed roller diameter:
φ
20 round roller
(through axis type)
- Separation roller diameter:
φ
14
- Separation roller retracts after paper feed
- Return claw structure
- Reduced noise
- Reduced paper curl
- Reduced double feed
- May skew easily, as the pickup roller is only on one side.
- The sheet feeder unit pressure plate is easily deformed during storage because the pressure plate spring is
only on one side.
- Separation roller rubber wears easily.
Torque limiter retard roller method
[Separate]
[Single feed]
Torque limiter retard roller
Separator roller rubber
Feed roller