Ribbon Cassette Installation - C.ITOH 1550S EP User Manual

Dot matrix serial impact printer
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2.2
Ribbon Cassette Installation
To install the ribbon cassette onthe printer, proceed as follows:
(1) .
Open the carrier cover.
(2) Gently move the printer head carrier assembly to a position where no roller is fitted on the roller
shaft.
(3) To install the ribbon cassette, turn the Cassette Drive Knob in the direction of the arrow (clockwise)
to tension the ribbon. (See Fig. 4.) Holding the cassette, carefully insert the ribbon end between
the ribbon guide plate and ribbon guide, and push the
casset~e
down on the ribbon deck. At this
time, align the two guide projections at the cassette bottom with the cassette guide
~oles.
Make
sure that
th~
notches on both sides of the cassette are supported completely by the two cassette
supporters. If not supported by the cassette supporters (the cassette is raised), push down on the
cassette while turning the ribbon drive gear clockwise. (See Fig. 5.)
After the Ribbon Cassette is firmly
in
place, turn the Cassette Drive Knob in a clockwise direction
to make sure the Cassette Drive Gear and the Unit Ribbon Drive Gear are locked together properly.
Note: To ease the ribbon cassette installation, set the Gap Adjusting Lever to the Gap 4 position.
(Refer to section 2.6)
Notch
Print Head
Cassette Supporter
Cassette Guide Holes
Cassette Drive Knob
Fig.4 Ribbon Cassette
Ribbon Drive Gear
Ribbon Deck
Fig. 5 Ribbon Deck without Ribbon Cassette
-6-

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