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ERROR CODE and TROUBLESHOOTING
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[E721] Jam not reaching the original reading start sensor
[E725] Stop jam at the reading start sensor
[E774] Reading start sensor paper remaining jam
[E722] Jam not reaching the original exit sensor
Replace parts Remarks
Original empty sensor
RADF board Perform the 05-3210
Roller Pickup roller, feed roller, separation roller
Classification Error item
RADF jam The original does not reach the reading start sensor after it
has passed the registration sensor (when scanning obverse
side) or the reverse sensor (when scanning reverse side).
Check item Measures
Registration roller
Read roller
• Cleaning
Original reading start sensor • Automatic adjustment
(Perform the 05-3210)
• Connector check
• Harness check
RADF board • Connector check (CN75)
• Board check
Drive unit, Rollers • Gear check
• Roller check
Replace parts Remarks
Original reading start sensor
RADF board Perform the 05-3210
Roller Registration roller, Read roller
Classification Error item
RADF jam The original which passed the read sensor does not reach the
original exit/reverse sensor when it is transported from the
scanning section to exit section.
Check item Measures
Read roller • Cleaning
Original exit sensor • Sensor check
(Perform the input check: 03-[FAX]ON/[7]/[E])
• Connector check
• Harness check
RADF board • Connector check (CN75)
• Board check
Drive unit, Rollers • Gear check
• Roller check
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