Toshiba e-STUDIO 2555C Service Manual page 734

Check Item
Transport path
Punch motor (M3)
Punch home position sensor (S4)
Replacement part
Punch home position sensor (S4)
Punch motor (M3)
Hole punch control PC board (HP)
[CC71] Punch ROM checksum error
MJ-1107/1108 (When MJ-6104 is installed)
Classification
Finisher related service call
Check Item
Hole punch control PC board (HP)
Replacement part
Hole punch control PC board (HP)
[CC72] Punch RAM read/write error
MJ-1107/1108 (When MJ-6104 is installed)
Classification
Finisher related service call
Check Item
Hole punch control PC board (HP)
Replacement part
Hole punch control PC board (HP)
e-STUDIO2555C/3055C/3555C/4555C/5055C
ERROR CODE AND TROUBLESHOOTING
If there is any paper remaining on the transport path, remove
the paper.
• If there is mechanical problem when the punch motor (M3) is
rotated, fix the mechanism.
• Check the connectors and harnesses between the hole
punch control PC board (HP) and punch motor (M3).
• Sensor check
• Harness check
Punch ROM checksum error: Abnormality of checksum value
on Hole punch controller PC board is detected when the power
is turned on.
Board check
Punch RAM read/write error: Abnormality of checksum value on
Hole punch controller PC board is detected when the power is
turned on.
Board check
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