IBM 1627 Manual page 10

3. Rotate the right rear paper spool by hand
until the drive key points upward.
4. Hold the new roll of chart paper so that the
key slot in the core points upward. Place
the roll against the spring loaded left rear
idler spool and force the spool to the left.
5. Lower the paper roll into the paper well and
slide the right end on to the drive spool.
Make certain the drive key engages the key
slot in the core.
6. Install a paper roll core on the two front
spools below the drum, in the same manner
as the paper roll.
7. Pull a short length of paper off the roll, slide
the end under the carriage rods, tear bar,
paper roll core, and fasten to the front side
of the core with two or three short pieces of
tape. Wind one or two turns of paper onto
the core. Make certain the drum sprockets
Carriage
Adjusting Knob
....,;;;;+.;~ ••••
Power On
Indicator
Figure 1-5. IBM 1627 Plotter, Model 2
are properly meshed with sprocket holes on
both sides of the paper (Figure 1-5).
Removal of Chart Paper
The roll of chart paper or single sheet of graph
paper is removed in the reverse sequence to the
installation procedure previously described. If a
single sheet of graph paper is used, any remaining
tape adhesive should be cleaned from the drum sur-
face with cleaning solvent.
Installation of Single Sheet Graph Paper
Single sheets of graph paper, 8-1/2" x 11" or 11" x
17" may be used for plotting in place of the chart
paper roll. To install a single sheet of graph paper,
proceed as follows:
1. Set power and chart drive switches to OFF.
Drum
Single Step
Drum
Fast Run
Pen
Up
I
Down
Chart Drive
ani
Off
1.5