Adjustments, settings and alignments
Spectra series
32 Service
instructions
1108
5.4 Transfer ribbon feed path
Adjust the transfer ribbon feed path by changing the head contact
pressure. Increasing the head contact pressure with the screws (A)
shifts the ribbon feed path in the corresponding direction. Possibly
arising formation of wrinkles can be eliminated by bowing the
printhead.
CAUTION!
The printhead assembly can be damaged when bowing
the printhead.
Turning the adjustment screw (K) too hard can cause
damage to the printhead assembly.
⇒
As soon as a clear resistance is perceived when
turning the adjustment screw (K), only continue
turning the screw in very small increments, but no
more than one eighth of a turn.
⇒
Only turn the adjustment screw (K) as far as is
absolutely necessary.
Figure 16
1. Check the transfer ribbon feed path.
The wound up ribbon should be the
same distance from the disk of the
winder as the supply roller is from
the disk of the rewinder.
2. If the ribbon runs inward or outward,
turn the corresponding screw (J)
after loosing the screw (B) clockwise
in small increments.
3. Wait until the ribbon feed path has
stabilized after each step of the
adjustment.
4. Check the ribbon feed path for
wrinkles.
5. If the wrinkles cannot be remedied
(e.g. wrinkles in the centre), turn the
adjustment screw (K) clockwise with
extreme care (see warnings) using a
hexagonal wrench (2 mm) and
observe the ribbon feed path.
When the adjustment screw (K) is
tightened, the printhead is bent
downward slightly in the centre. It is
possible that a slight lightening at the
edge areas of the print image could
occur here.
Содержание Spectra series
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Страница 61: ...Spectra series Layout diagrams 1108 Service instructions 61 9 Layout diagrams 9 1 CPU Figure 36 ...
Страница 63: ...Spectra series Layout diagrams 1108 Service instructions 63 9 2 Power supply unit revision G Figure 37 ...
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