5-2
Code
J70
J71
Check
1. Original feed roller is worn or dirty.
2. Foreign material is inside original feed section.
3. Drive mechanism of original feed
section is defective.
4. Original feed motor is defective.
5. Connector of ADF driver P.C.B is
shorted or broken.
6. Original feed solenoid is defective.
7. Original detecting sensor is defective.
8. Registration roller sensor is defective.
9. ADF driver P.C.B.is defective.
1. Transfer belt is worn or dirty.
2. Each roller is worn or dirty.
3. Foreign material is inside original
transport / exit section.
4. Drive mechanism of original exit
section is defective.
5. Transport motor is defective.
6. Connector of ADF driver P.C.B is
shorted or broken.
7. Original exit solenoid is defective.
8. Original exit sensor is defective.
9. ADF driver P.C.B.is defective.
Cause
Original feed section
a. When the registration
roller sensor does not
detect an original within
a predetermined time
after the original feed
motor has started in
forward rotation.
b. The ADF entry paper
pass sensor is detecting
paper before using ADF.
Original transport/exit section.
a. When the original exit
sensor does not detect an
o r i g i n a l w i t h i n a
predetermind time after
t r a n s p o r t m o t o r h a s
started in forward rotation.
b. When the trail edge of the
original is not detected
within a predetermined time
after the original exit sensor
detects the lead edge of the
original.
(exit operation)
(
2) Paper Jam
