96  M-Class 
 
 
Printer Fault Messages (continued) 
 
Displayed Message  Description  Possible Solution(s) 
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UPQ!PG!GPSN!GBVMU!
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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.  
 
 
 
 
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.