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Memory card err20 The printer has halted because you attempted to insert/
remove a memory card into/from the printer slot while the
printer power is on.
Turn the power switch off and then on to restart the printer.
Make sure to turn the printer power off before inserting/
removing a memory card.
(No indication
patterns available)
Format error
Memory card
This message appears when the printer is in the ready
state and the memory card is not formatted, and therefore
cannot be read or written.
Format the memory card.
Indicator KM-NET for
Clients display
Corrective Action