Datamax M-Class Operator's Manual page 102

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Printer Fault Messages (continued)
Description
The ribbon sensor values
have changed, or the printer
detects no or only sporadic
ribbon supply hub
movement.
The printer has shutdown to
allow the printhead
temperature to cool.
The printer could not find the
TOF mark within the
maximum label length setting
or it found a TOF in an
unexpected place.
Note: When the printer is
set for reflective media, this
fault is given for an out of stock
condition.
Possible Solution(s)
Try the following:
1) Ensure that ribbon is correctly loaded and that the
printhead assembly is latched.
2) Check the ribbon supply and ribbon take up hubs for
obstructions that may be stopping movement.
3) Ensure that the ribbon core fits snugly on the ribbon
supply hub.
4) Ensure that the media and paper combination is not
slipping (usually caused by an incorrect match).
Turn 'Off' the printer until cool to prevent permanent
damage due to an excessive printhead temperature.
If media is moving:
1) Press the FEED Key. It may be necessary to re-calibrate
the printer; see Section 5.4.
2) The Media Sensor may be out of position. Readjust it; see
Section 3.3.
3) The media may not be properly loaded. Reload media,
also ensure that the Media Guide is positioned properly;
see Section 3.2.
4) The Leveling Cam may be improperly adjusted; see
Section 6.2.
5) The label may be longer than the default value for
maximum length. Check the Media Settings / Maximum
Label Length; see Section 5.1.2.
6) The Media Sensor may be obstructed. Check and
carefully remove any obstruction (labels, paper dust,
adhesive, etc).
If media is not moving:
The printhead assembly may not be latched; close it.
M-Class