MAINTENANCE, SERVICE AND FAULT FINDING
4-26 25364 Issue 8 March 2018
(13) Adjust the ribbon tension. Ribbon tension is controlled by springs
fitted to each of the two dancing arms. Dancing arm springs can be
fitted in a number of defined positions, allowing the spring force and
ribbon tension to be varied if required - see the next photograph. The
default / factory fitted dancing arm spring positions are as follows: (a)
unwind dancing arm spring position: 2 (b) rewind dancing arm spring
position: 4.
Position 1
Position 5
Dancing Arm Spring Positions
Note: In most circumstances, the default dancing arm spring positions
should be used. To change from the default dancing arm spring
positions, see “Changing from Default Dancing Arm Spring
Positions” below
.
(14) Note the present position of the dancing arm spring anchors. When
r
efitting for the opposite hand, ensure that the position of the anchors
mirrors the original position of the anchors.
(15) Swap the motors over, reconnect them and re-tension the belt.
Note: Ensure that ALL cables from the stepper motors are fitted back
int
o the cable-retaining slot before fitting the back cover.
(16) Replace the covers and test.