Toshiba e-STUDIO281c Service Handbook page 491

[CF10]
<Undefined error code processing>
MJ-1022/1023/1024
1) Is the error recovered when the power of the equipment is turned OFF and then back ON?
2) If not as in step 1, check if the LGC board and IPC board are connected correctly.
3) If the error has still not been recovered in step 2, check if there is any defect in the LGC
board, IPC board or finisher control board. If not, replace the LGC board, IPC board or fin-
isher control board.
<Communication module SRAM writing failure>
MJ-1101
1) Is the error recovered when the power of the equipment is turned OFF and then back ON?
2) Check if the MJ-1101 (08-1912) is set as the specified finisher on the equipment.
3) Check if the harness connecting the converter PC board and the finisher controller PC
board is disconnected or open circuited.
4) Check if the conductor pattern on the converter PC board is open circuited or short cir-
cuited.
5) Check if the conductor pattern on the finisher controller PC board is open circuited or short
circuited.
6) Try to update the finisher firmware again.
7) Replace the converter PC board.
8) Replace the finisher control PC board.
MJ-1101 (when MJ-6101 is connected)
1) Is the error recovered when the power of the equipment is turned OFF and then back ON?
2) Check if the MJ-1101 (08-1912) is set as the specified finisher on the equipment.
3) Check if the harness connecting the converter PC board and the finisher controller PC
board is disconnected or open circuited.
4) Check if the harness connecting the hole punch control PC board and the finisher control
PC board is disconnected or open circuited.
5) Check if the conductor pattern on the converter PC board is open circuited or short cir-
cuited.
6) Check if the conductor pattern on the finisher controller PC board is open circuited or short
circuited.
7) Check if the conductor pattern on the hole punch control PC board is open circuited or
short circuited.
8) Try to update the finisher firmware again.
9) Replace the converter PC board.
10)Replace the finisher control PC board.
11)Replace the hole punch control PC board.
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