MAINTENANCE
Dancer Arm Adjustment
CAUTION: DISCONNECT AIR AND POWER TO THE APPLICATOR
BEFORE PERFORMING THE FOLLOWING PROCEDURES.
INJURY FROM MOVING PARTS AND/OR ELECTRICAL SHOCK
MAY OCCUR.
The figure below shows the layout of the unwind brake band. It’s important that the brake stops
the unwind from turning but if it’s too tight the printer will have a hard time pulling the web off
when the label roll nears the end.
Note:
Even if the unwind brake is adjusted properly, it will be of little value if the core of the
label roll slips on the unwind hubs. Making sure the unwind disks are tight against the
roll of labels will help.
1- Hold the dancer arm in the position it should be when the brake is on. Loosen the collar that
the brake band is anchored to, rotate it so the band is tight and tighten back down. Make sure
the brake band is wound in the right direction.
2- Loosen the collar with the spring anchor and tighten so the dancer arm is held up with enough
tension to stop the unwind from turning. It should not be so tight as to create too much pull
off force when the printer is running. This may cause the printer motor to stall or cause print
registration problems.
3- Check the performance of the unwind with a full roll of labels and a small diameter roll.
Make adjustments as necessary.
Figure 17 (adjusting brake band)
10-2
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