03/10 Rev. 5.04-04 SERVICE MANUAL Service Mechanics
64-xx – 64-xx Dispenser
50
Print head motor
The print head motor (1) lifts the print head by
turning the cam disk (2) which is mounted on
the motor axle. By doing so, the cam disk
presses the contact pressure lever (3).
Tools
Allen key 3 mm
Disassembling/assembly
1. Set the print head contact pressure to
the lowest level.
2. Disassemble the print head sensor.
How to? - read paragraph Print head
sensor on page 49.
3. Remove the mounting screws (4, four
pieces) of the print head motor.
4. Disconnect the connection cable and
remove the motor carefully.
5. The oscillator disk (5) can be removed
from the motor axle after loosening a set
screw.
After disassembly/exchange of the print
head motor, the print head aperture has
to be set!
How to? - read paragraph Adjusting the
head aperture on page 44.
Contact pressure lever
1. Dismount the print head motor.
For details see paragraph Print head
motor on page 50.
2. Hang out the contact spring.
3. Remove at first the allen screw (7), then
the contact pressure lever.
4. Loosen the set screw at the pressure
disk (8) and remove the disk.
4
1
4
8
7
6
5
4
4
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