03/10 Rev. 5.04-04 SERVICE MANUAL Service Mechanics
64-xx – 64-xx Dispenser
31
Ribbon transport roller
The ribbon transport unit and material
transport are usually coupled 1:1. The ribbon
is fed over the ribbon transport roller. The
ribbon take-up is effected by a slip clutch on
the take-up mandrel.
If the ribbon automatic economy function is
activated, the thermal bar is raised and the
ribbon motor is stopped.
Disassembling
1. Unscrew the 3 fastening nuts of the
ribbon motor.
2. Unscrew the damping element (1),
remove the contact spring (2).
3. Strip off the round belt (3) and pull off
the motor.
4. Detach the retaining ring (4).
5. Pull off the sprocket (5).
6. Pull out the ribbon transport roller (6) to
the front.
Assembly
1. Insert the ribbon transport roller from the
front.
2. Put on the sprocket and affix it using the
retaining ring.
3. Check that the ribbon transport roller
runs smoothly.
4. Connect the damping element to the
contact spring.
5. Reattach the motor using the three nuts.
The sprockets must grip exactly. Pay
attention to the required the back lash.
6. Attach the round belt.
Tool
– Socket wrench SW 7
6
7
8
8
5
4
3
1
2
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