Control Data Corporation CYBER 170 Series Operator's Manual page 289

i
./
)
)
)
./
I
12. In back of printer, press PLATFORM DOWN
-switch to lower forms platform.
13. Press PAGE EJECT to observe that forms fold as
originally folded, that multipart forms do not
separate, and that the forms are properly aligned
to the forms scales.
RIBBON CHANGE
1.
Press the POWER HOOD switch on left side of
cabinet to raise hood.
2. Press POWER OFF switch.
3. Unlatch print gate and swing away from the print
head.
4. Unlatch ribbon cover and swing away from the
print gate.
5. Unlatch line finder and swing away from the print
gate.
6. Grasp the ribbon rolls with the left hand on the
upper roll and the right hand on the lower roll.
7. Push the rolls toward the hinged end of the print
gate; lift the upper roll up and off the spool and
the lower roll down and off the spool.
8. Pass the left hand over, behind, and then under
the print gate and remove the ribbon.
9. After the new ribbon is unwrapped, grasp one roll
in the left hand and the other roll in the right
hand.
10. Approaching print gate from the latch end, hold
right hand in front of lower ribbon spools. Pass
ribbon roll in left hand under, behind, and over the
print gate bringing it to the upper ribbon spools.
11. Press ribbon roll in left hand against the upper
ribbon spool on the hinged end of the print gate
and press the roll in right hand against lower
ribbon spool.
12. Ease the ribbon rolls into place against the ribbon
spools on the latch end of the print gate ensuring
that the drive keys on the ribbon spools fit into
the slots in the ribbon rolls.
13. Rotate upper ribbon roll to take up slack.
14. Latch linefinder and ribbon cover to print gate
and close print gate.
15. Press POWER ON switch.
580 LINE PRINTER PROGRAMMABLE FORMAT
CONTROL INITIALIZATION
1. Press POWER ON switch.
2. Press PAGE EJECT switch. The printer controller
advances to the next 6/8 lines per inch (LPI)
coincident point. The tractors physically advance
accordingly.
60435600 J
3. Press POWER HOOD switch on left side of
cabinet to raise hood.
4. Open front printer gate.
5. Open pressure plate on upper and lower left and
right tractors.
6. Raise paper vertically from supply box and place
into upper and lower paper tractors. Close
all
four pressure plates.
7. Close front panel securely.
8. Align paper to top of form by pressing the PAGE
EJECT switch, causing the paper to advance to
subsequent 6/8. LPI coincidence points as
required. Paper thus posi tioned will be at top of
form when the system loads a PFC array before a
job is printed.
9. Close the forms alignment scale against the
paper. The scale indicates print column location
and the top of the ribbon shield indicates the
bottom of the next line of print.
10. Adjust the horizontal posi tion control to align the
forms with the proper print columns.
11. Place the forms lock control in the manual
position and adjust the manual forms advance
control to align forms vertically to the top of
forms position.
12. Place the forms lock control in the auto position,
relatch the forms 8lignment scale to the print
gate, and the print gate to the print head.
13.- Press START switch.
I
NOTE
I
This initialization procedure assumes that
the first code loaded into the PFC buffer
will be top of forms (format level 1).
BATCHIO loads the PFC buffers at the start of each print
file. Prior to loading a PFC array, pressing the PAGE
EJECT switch advances the paper to the next 6/8 LPI
coincident point. After a PFC array has been loaded into
the printer, pressing PAGE EJECT causes an entire form to
be ejected.
MAGNETIC TAPE UNITS
NOS supports unit models 667 and 677 for I/2-inch, 7-track
magnetic tape and models 669 and 679 for 1/2-inch, 9-track
tape.
All models show a unit number at the top of the cabinet
(right side of the controls on a 667 or 669 unit, left side of
the controls on a 677 or 679 unit) which ranges from 0 to 17
and is used to identify the unit. The unit number of a 667
or 669 tape unit is set using the select switch labeled UNIT
NO/HOLD REL located beside the unit number display.
Each unit that is on should have a unique number but once
0-5