03/10 Rev. 5.04-04 SERVICE MANUAL Service Mechanics
64-xx – 64-xx Dispenser
32
Ribbon end sensor
The ribbon end sensor monitors the
movement of an oscillator disc and therefore
the presence and movement of the ribbon. A
printing process does not take place if ribbon
has not been inserted, if the ribbon is torn or if
there is no more ribbon available.
The ribbon monitoring function is naturally
only effective if the ribbon is to be moved. For
instance, the ribbon is not moved in print-free
zones if the ribbon automatic economy
function has been activated.
The ribbon end sensor sits in the print module
at the oscillator disc of the unwinding mandrel.
Disassembling/assembly
1. Disconnect the photoelectric switch from
the cable tree (1) (marked "F" on the
sleeve).
1. Unscrew the Allan key screw (2) on the
anchoring mandrel.
2. If necessary replace the ribbon end
sensor.
Tool
– Allan key size 2.5
1
2
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