CAB EOS2 Manuel d'entretien - Page 16

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Replacing Assembly Units

2.11

Checking the Braking Force at the Ribbon Supply Hub

During printing operation the spring on the transfer ribbon supply hub functions as a brake. The braking force on the

supply hub influences the transport of the transfer ribbon.

The braking force on the transfer ribbon supply hub is measured with a test collar.

The set values for the braking force at the test collar are:

Spring on

Transfer Ribbon Supply Hub any direction

Fig. 12

Measure braking force on supply hub -

for ink side-out transfer ribbon

1. Remove transfer ribbon from the printer.

2. Put test collar (2) on the supply hub (3).

3. Wind the cord around the test collar several times.

4. Secure spring scale (1) at the end of the cord.

5. Pull at the spring scale until the supply hub begins turning.

6. Allow the cord to unwind from the test collar at least one full turn and read the pulling force on the spring scale at

the same time.

7. Compare the braking force with the set values.

Direction of rotation

Fig. 13

Braking Force

1,6 - 2,0 N

Measure braking force on supply hub -

for ink side-in transfer ribbon