NA - ENG
April 2017
3M-Matic
™
 Accuglide 3 - 2 Inch Taping Head
Page 18
Problem
Tape is tabbing on the trailing
leg on the back of the box
The tape end does not stay in 
application position in front of 
the applying roller
Tape not centered on 
box seam
Cause
There is excess tension on the 
tape drum assembly and/or the 
one-way tension roller assembly
Rollers in the tape path do not 
rotate freely
The blade is not cutting tape 
properly
The tape is threaded incorrectly
Applying mechanism spring has 
too little tension
The tape is incorrectly threaded
Flanged knurled roller overruns 
on return of applying mechanism 
to its rest position
Applying roller overruns on return 
of applying mechanism to its rest 
position
The one-way tension roller is not 
correctly positioned
The one-way tension roller is 
defective
Tape drum not centered
Centering guides not centered
Box  aps not of equal length
Correction
Adjust the one-way tension roller 
and/or the tape drum assembly
Clean adhesive deposits from 
the surface, ends, and shafts of 
the rollers.  Then lubricate roller 
shafts.  Remove all lubricant from 
roller surfaces.
Refer to tape cutting problems
Re-thread the tape
Move spring hook to next tighter 
hole
Re-thread the tape
Adjust tension roller position in 
mounting slot to lengthen tape leg
There should be a slight drag 
when rotating the applying roller.  
If not, check friction springs and/
or friction pins and replace if 
necessary
Position roller in it mounting slot 
so that tape end extends beyond 
centerline of applying roller
Replace the one-way tension 
roller
Reposition tape drum
Adjust centering guides
Check box speci cations
Troubleshooting Guide
Toubleshooting  (continued)