Avery Dennison Monarch 9855 Operator's Handbook, Maintenance, Service & Parts Manual page 113

611 Font, bar code, or density in the batch does not fit the format.
612 The data in this line of the batch is either missing or does not
match the format.
613 Reference point off supply.
614 Portion of field off supply or there may be an invalid character in
the packet.
703 The printer sensed a calibration of different-sized black marks.
Make sure the correct supply type is loaded.
704 Printer has not sensed a supply mark within the specified
number of inches or is out of supplies. Check the supply
tracking, supply marks, black mark sensor position, and supply
roll for binding. Press Escape/Clear and try to continue
printing. Change supply.
750 Printhead is overheated. Turn off the printer.
751 Printer did not sense a black mark when expected. For errors
751-753, check the supply tracking, supply marks, black mark
sensor position, and supply roll for binding. Press
Escape/Clear and try to continue printing. Change supply.
752 Printer sensed a mark in the wrong place.
753 Printer sensed a mark that is too long.
754 Check for a ribbon jam or remove any slack in the ribbon by
turning the take-up reel clockwise. Load a new ribbon.
755 Printhead is open. Close the printhead.
756 Load supplies.
Diagnostics & Troubleshooting 10-9