Oce Arizona 250 GT, User Manual

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Roll Media Option Hardware
media drive. This system accurately advances the roll of media during printing. The
roll media is positioned accurately with a high resolution media encoder as it moves
past the carriage printheads. This ensures accurate and high quality prints on various
core media.
[32]
[32] Roll Media Hardware (1 – 3)
Component Function
1) Dual Foot Pedal
Switch The dual foot pedal switch is tethered to the printer by
a cable and located on the floor under the RMO unit. It
is used to control media feed in both forward and
reverse directions. Function varies depending on
whether media is loaded or unloaded.
2) Media Drive Couplers The couplers keep the media shafts in place and
engaged to the drive motor. In the open (horizontal)
position they allow the media shafts to be removed.
3) Supply Shaft Motor Drives the supply media shaft.
4) Take-up Shaft Motor Drives the take-up media shaft.
5) Media Shafts The shafts hold the roll media core in place. This can be
an empty core or a core with a roll of media, depending
on whether the shaft is used for take-up or supply. The
media shaft consists of a ribbed aluminum extrusion
with a spring-loaded spike assembly inside it. There is
a large track roller at each end, and a drive motor at one
end. The media shaft is designed to slide inside a roll of
media with a 3" cardboard core. It uses spring-loaded
core locks to lock the roll of media to the media shaft.
The locks can be engaged or released using a hex key.
The media shaft supports the media roll, provides
aligned positioning of the media roll in the printer, and
transfers driving torque to the media roll.
6) Media Access Door Opens to provide access to the roll of media to allow
media loading. Also eliminates a possible shear hazard
to the operator between the carriage and the roll unit
endplates. The door has a safety interlock switch. If the
door is open no carriage or gantry motion can be
initiated at the printer.
7) Cutting Guide A gutter between two pieces of sheet metal that guides
a blade to cut the media.
8) Media Core Locks Hold the media core in place on the media shafts. Use
the supplied hex key to lock and unlock the media core
at the right end of the media shaft.