Toshiba MR-3018, Service Manual

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MR-3018/3020/3021/3022 © 2005 - 2011 TOSHIBA TEC CORPORATION All rights reserved
TROUBLESHOOTING
6 - 4
Stop jam at the original registration sensor
1) Clean the registration roller if it is stained.
2) Are the original registration sensor, original width detection sensor-1, original width detection
sensor-2, original length detection sensor working? (Perform the input check)
* If it is working properly, proceed to 9. If not, check 3 to 8 below.
3) Check if the connector CN74 on the RADF board is disconnected from the original registration
sensor or the harnesses are open circuited. Correct if any.
4) Check if the connector CN74 on the RADF board is disconnected from the original width detec-
tion sensor-1 or the harnesses are open circuited. Correct if any.
5) Check if the connector CN74 on the RADF board is disconnected from the original width detec-
tion sensor-2 or the harnesses are open circuited. Correct if any.
6) Check if the connector CN74 on the RADF board is disconnected from the original length detec-
tion sensor or the harnesses are open circuited. Correct if any.
7) Replace the original registration sensor.
8) Replace the original width detection sensor-1.
9) Replace the original width detection sensor-2.
10)Replace the original length detection sensor.
11)Replace the RADF board.
12)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) Are the read sensor and original intermediate transport 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) Check if the connector CN75 on the RADF board is disconnected from the Original intermediate
transport sensor or the harnesses are open circuited. Correct if any.
5) Replace the read sensor.
6) Replace the original intermediate transport sensor.
7) Replace the RADF board.
8) Replace the read roller if it is worn out.
Stop jam at the original exit/reverse 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 jam
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 opening/closing 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
cover opening/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.
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