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I
SECTION VI.
TYPE 122 PRINTER
RIBBON NORM/CHGE
(cont)
This interlock condition must be cleared by pressing the
ST AR T switch.
The ribbon mayor may not be changed
before this interlock is cleared.
If the switch is moved
to the CHGE position and then returned to the NORM
position before the end of ribbon is reached, the printer
will continue to function as though the switch had not been
moved initially.
This switch may be changed during
printing without causing any malfunction or error condi-
tion to occur.
OPERATING PROCEDURES
The following operating procedures apply to the Type 122 Printer.
Applying and Removing Power to the Printer
1.
To perform a standard power-up procedure when the printer is completely shut
down, e. g., at the beginning of the day:
a.
Close the printer main a-c circuit breaker on the customer a-c power
panel if it has been opened.
b.
Press the POWER ON button on the main control panel of the printer.
The
POWER ON indicator should illuminate, signalling that all a-c power has
been applied to the printer.
However, if any a-c interlock condition is
violated (i. e., a power-supply failure, an open d-c supply circuit breaker,
or a fan failure) the printer will not maintain a-c power for more than ten
seconds, after which the POWER ON indicator will be extinguished.
If the
POWER ON indicator remains illuminated after ten seconds has elapsed,
the operator may then perform a normal start procedure.
2.
To perform a standard power-down procedure when the printer is in a ready condition
to receive a print instruction:
a.
Press the TYPE ROLL OFF button on the main control panel of the printer.
This action prepares the printer for the removal of a-c power.
CAUTION: The TYPE ROLL OFF button must be pressed prior to pressing
the POWER OFF button.
If it is not, the paper-feed engine may
move backwards, thus destroying the vertical format control tape.
b.
Press the POWER OFF button on the main control panel of the printer.
c.
Open the printer main circuit breaker in the customer a-c power panel, if de-
sired.
This action leaves the printer in a completely shutdown condition.
3.
To perform an emergency shutdown procedure when an immediate removal of power
from the printer is required, either of the two following methods may be used, which-
ever is most convenient:
a.
Press the POWER OFF button on the main control panel of the printer; or
b.
Open the printer main a-c circuit breaker on the customer a-c power panel.
Preparing the Printer for Operation
1.
To prepare a vertical format control tape:
6.-10
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