Toshiba e-STUDIO2820C Service Handbook page 311

[EA40] Door open jam / joint open jam
MJ-1030
1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it
if there is.
2. Close the upper or front cover of the finisher if any of them is opened.
3. Check if the connectors J707 and J708 on the finisher controller PC board are disconnected from
the upper cover opening sensor (P131) and the front cover opening sensor (P132) , or the har-
nesses are open circuited. Correct if any.
4. Replace the upper/front cover opening sensor.
5. Check if the connector J719 on the finisher controller PC board is disconnected from the front
cover switch (MS31) or the harnesses are open circuited. Correct if any.
6. Replace the front cover switch (MS31).
7. Is the connector J5 on the punch controller PC board disconnected?
8. Is the harness connecting the punch controller PC board and upper door switch (MSW61) open
circuited?
9. Is the harness connecting the punch controller PC board and front door switch (MSW62) open
circuited?
10.Are the upper and front door switches working properly?
11. Reconnect or replace the connector of the upper cover switch or the front cover switch.
12.Replace the finisher controller PC board.
MJ-1031
1. Check if there is any paper in the finisher or on the transport path of the equipment and remove it
if there is.
2. Check if the connector J110 on the finisher controller PC board is disconnected from the Çäoint
switch (SW1) or the harnesses are open circuited. Correct if any.
3. Replace the Joint switch.
4. Replace the finisher controller PC board.
MJ-1101
1. Close the front cover or the stationary tray cover if they are opened.
2. Replace the handle cover installed inside of the front cover if it is broken.
3. Reinstall the stationary tray opening/closing switch if it is incorrectly installed.
4. Check if the connector CN16 on the finisher controller PC board is disconnected from the front
cover switch (SW1) and the stationary tray opening/closing switch (SW2) or the harnesses are
open circuited. Correct if any.
5. Replace the sensors.
6. Replace the finisher controller PC board.
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