Citizen Systems iDP3420 User Manual download pdf (Page 42)

iDP3420/3421/3423 User’s Manual

26 CITIZEN

8. INPUT BUFFER BACKUP FUNCTION

8.1 Buffer Size

With the DIP switch, you can set either 6 K bytes or 256 bytes.

DIP switch segment 1-8 ON → 6K bytes

OFF → 256 bytes

8.2 Input Buffer Backup

Even if the power is turned off or fails during the printing process, the data in the input buffer will be saved.

If the power is turned on again, the printer will print a power failure mark, "==POWER DOWN==," in red

and reprints the data from the beginning of the line where it left off.

8.3 Clearing the Input Buffer

When you want to clear the data in the input buffer, turn on the power, holding down the LF switch. A

buzzer will sound to inform you that the input buffer has been cleared. Hold down the LF switch until the

buzzer sounds.

If the printer prints the data erroneously at power-on, clear the input buffer as described above, and

then, re-input the data.

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Citizen Systems iDP3420 User Manual Page 42