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SECTION VI.
TYPE 122 PRINTER
RIBBON
FAN
BRK/DC
Auxiliary Control Panel Switches
The RIBBON indicator is illuminated when the ribbon
has been completely wound on the top mandrel aiter the
RIBBON switch on the auxiliary control panel has been
moved to the change (CHGE) position.
When the temperature control system in the printer is
not functioning properly, the FAN indicator is illuminated.
This indicator is illuminated when a fuse has blown or
when a circuit breaker has opened in the power system.
The layout of the auxiliary control panel is shown below.
A description of these controls
on this panel follows.
PRINT DENSITY
SINGLE ORDER
This six-position rotary switch is marked in the LOW,
MEDIUM, and HIGH positions.
To alter the setting of
this switch, it is necessary to raise the top cover of
the printer.
In the HIGH position, printing up to seven-
ply forms is possible.
In
the LOW position, the impact
of the printing slugs is reduced to avoid punching
through lesser-ply forms.
To obtain the best print
quality the setting of the PRINT DENSITY switch should
be chosen in accordance with the quality and the ply of
the paper being used.
.
NOTE: Readjusting the character /index control may
be necessary when the setting of the PRINT
DENSITY switch is changed (see page 6-17).
To activate this spring-loaded toggle switch, it is
necessary to open the top cover of the printer.
Before
the switch is operative, the following conditions must
be met:
1.
The central proce s sor RUN switch must have
been pressed;
2.
The type roll must be rotating;
6-8
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