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ERROR CODE AND TROUBLESHOOTING
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[CC71] Punch ROM checksum error
MJ-1101/1106 (When MJ-6103 is installed), MJ-1107/1108 (When MJ-6104 is installed)
MJ-1033
[CC72] Punch RAM read/write error
MJ-1101/1106 (When MJ-6103 is installed), MJ-1107/1108 (When MJ-6104 is installed)
Punch motor (M3) • 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).
Punch home position sensor (S4) • Sensor check
• Harness check
Replacement part Measure
Punch home position sensor (S4)
Punch motor (M3)
Hole punch control PC board (HP)
Classification Contents
Finisher related service call Punch ROM checksum error: Abnormality of checksum value
on Hole punch controller PC board is detected when the power
is turned on.
Check Item Measure
Hole punch control PC board (HP) Board check
Replacement part Measure
Hole punch control PC board (HP)
Error Timing of detection
Flash ROM A checksum error occurs on the flash ROM of the Hole Punch
Unit.
The main program of the Hole Punch Unit is damaged.
Classification Contents
Finisher related service call Punch RAM read/write error: Abnormality of checksum value on
Hole punch controller PC board is detected when the power is
turned on.
Check Item Measure
Hole punch control PC board (HP) Board check
Replacement part Measure
Hole punch control PC board (HP)
Check Item Measure
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