Canon BJC6500 Service Manual - Page 76
ASF Sensor, Error
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Part 4: TROUBLESHOOTING BJC-6500 10. ASF Sensor Error Visually check Pick-up roller doesn't turn. LF roller drive switching isn't conducted. ASF drive gear unit, control board faulty ASF gear position adjustment, pick-up roller • Is the pick-up roller's sensor flag broken or missing? OK? Yes Adjust the ASF gear position No • Was the ASF gear position adjustment Replace pick-up roller correctly performed? • Reinstall the ASF, and reconduct the adjustment Part 2: 2.4.5 How to adjust the ASF gear position (See page 2-14) Reoccurrence of error? No Yes END 1.Replace the ASF drive gear unit 2.Replace the Control board 4-12
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<Cause>
Pick-up roller doesn't turn.
LF roller drive switching isn't conducted.
<Suspected parts>
ASF drive gear unit, control board
faulty ASF gear position adjustment,
pick-up roller
<Measure>
Part 4: TROUBLESHOOTING
BJC-6500
4-12
10. ASF Sensor
Error
Part 2: 2.4.5 How to adjust the ASF gear position
Visually check
• Is the pick-up roller's sensor flag broken or missing?
OK?
Replace pick-up roller
• Was the ASF gear position adjustment
correctly performed?
• Reinstall the ASF, and reconduct the
adjustment
(See page 2-14)
Adjust the ASF
gear position
Reoccurrence
of error?
END
1.Replace the ASF
drive gear unit
2.Replace the Control
board
Yes
No
Yes
No