Section 6: Troubleshooting
M84Pro Service Manual PN: 9001111A Page 6-9
RIBBON SENSOR OPERATION VERIFICATION
Verification that the ribbon sensor is operational may be achieved using the Operator Panel
located on the front housing cover.
1 Access the dip switches located on the Operator Panel.
2 Record all dip switch positions.
3 Place DSW2-1 dip switch in the off position, then switch off the printer.
4 Remove ribbon from the printer as applicable and latch down print head.
5 Switch on the printer.
6 Press the LINE key to place the printer off-line.
7 Press the FEED key and wait for the printer to beep.
8 Switch off the printer, install ribbon, and switch the printer on again.
9 Press the LINE key to place the printer off-line.
10 Press the FEED key to generate a blank label and confirm that the ribbon has been properly
installed.
LCD DISPLAY: INITIALIZING
ROM V00.00.00.00
LCD DISPLAY: ONLINE
QTY:000000
LCD DISPLAY: RIBBON END
NOTE: The ribbon end display is confirmation that the sensor is functioning.
LCD DISPLAY: INITIALIZING
ROM V00.00.00.00
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