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TROUBLESHOOTING
6 - 4
Stop jam at the registration sensor
1) Clean the registration roller if it is stained.
2) Is the registration sensor working? (Perform the input check)
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3) Check if the connector CN74 on the RADF board is disconnected from the registration sensor or
the harnesses are open circuited. Correct if any.
4) Replace the registration sensor.
5) Replace the RADF board.
6) Replace the registration roller if it is worn out.
Stop jam at the read sensor
1) Clean the read roller if it is stained.
2) Is the read sensor working? (Perform the input check)
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3) Check if the connector CN75 on the RADF board is disconnected from the read sensor or the
harnesses are open circuited. Correct if any.
4) Replace the read sensor.
5) Replace the RADF board.
6) Replace the read roller if it is worn out.
Stop jam at the exit sensor
1) Clean the exit roller if it is stained.
2) Is the original exit/reverse sensor working? (Perform the input check)
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3) Check if the connector CN4 on the RADF board is disconnected from the original exit/reverse
sensor or the harnesses are open circuited. Correct if any.
4) Replace the original exit/reverse sensor.
5) Replace the RADF board.
6) Replace the exit roller if it is worn out.
RADF jam access cover open
1) Close the RADF jam access cover if it is opened. Remove if there is any original before closing it.
2) Is the RADF jam access cover switch working? (Perform the input check)
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3) Check if the connector CN72 on the RADF board is disconnected from the RADF jam access
cove ropening/closing switch or the harnesses are open circuited. Correct if any.
4) Replace the RADF jam access cover opening/closing switch.
5) Replace the RADF board.
RADF open jam
1) Close the RADF if it is opened. Remove if there is any original before closing it.
2) Is the RADF opening/closing sensor working? (Perform the input check)
* If it is working properly, proceed to 6. If not, check 3 to 5 below.
3) Check if the connector CN75 on the RADF board is disconnected from the RADF opening/clos-
ing sensor or the harnesses are open circuited. Correct if any.
4) Replace the RADF opening/closing sensor.
5) Replace the RADF board.
6) Is the RADF opening/closing sensor adjusted within the specified range?
09/12