Paxar 9402 Reference Manual page 187

Press ENTER or ESCAPE/CLEAR, depending on your
printer and try to continue printing. If the error
continues to appear, change the supply.
752 Printer sensed a mark in the wrong place.
753 Printer sensed a mark that is too long.
754 Printer has a ribbon problem. Check the ribbon for a
jam or remove any slack by turning the take-up reel
clockwise. Load a new ribbon.
755 Printhead is open. Close the printhead before
continuing. If the error persists, call Technical Support.
756 The printer is out of supplies. Load supplies.
757 Load supplies. The calibrated supply length differs by
plus or minus .25 inches from the format. Press
ESCAPE, FEED/CUT, or the up arrow (9403) to print
on the current supply or load new supply and press
ENTER/PAUSE.
758 Check supply. Either the supply is not seen or the
on-demand sensor is broken. Check for a label jam.
Clear the supply path or reload supplies. This error
may occur if you remove a label too quickly in
on-demand mode. The printer does not recalibrate
after this error.
759 Knife is not moving. Call Technical Support.
760 Knife jam. Call Technical Support.
761 The stacker is full or jammed. Empty the stacker or
clear the jam before continuing. The printer does not
recalibrate after this error.
762 Low battery. Recharge the battery.
763 Waiting to dispense label. Press ENTER or FEED/CUT,
depending on your printer.
Diagnostics and Errors 8-21