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Status Lamps
The status lamps at the top of the control panel provide a quick visual indication of
printer status. The lamps are lit continuously when the printer is on line to the host and
are off when the printer is off line. The lamps flash alternately if a fault condition exists in
the printer.
Alphanumeric Message Display
The Message Display shows printer status and fault condition messages. The display has
two rows with sixteen characters per row. During normal operation, the display indicates
the on line status and the currnt print mode (and pitch) selection.
ON LINE Switch
Press this switch to place the printer alternately on line or off line. When the printer is on
line, the ON LINE light-emitting diode (LED) next to the switch will be illuminated.
The printer must be on line to receive data from the host computer. When the printer is
on line, the display will indicate the current print mode and none of the other control
panel switches will function. When the printer is off line, the display will indicate off line,
all switches are active (except the ENTER switch unless it has been unlocked), and the
printer cannot communicate with the host computer. The printer must be off line to
change printing format or configuration and will go off line automatically if a fault
occurs.
CLEAR Switch and CHECK Indicator
If a fault condition occurs, a fault message appears on the Message Display, the CHECK
indicator LED illuminates, and the status lamps flash alternately. Press the CLEAR
switch to indicate to the printer that a fault condition has been corrected. After press
CLEAR, the fault status will be validated and the display updated. If all faults were
corrected, the display will indicate the printer is off line.
In addition, the CLEAR switch has three special functions noted below. Except when
used to reset the printer (#1 below), the CLEAR switch operates only when the printer is
off line.
1.
Press CLEAR and RUN/STOP simultaneously to reset the printer. The printer may
be reset at any time, on line, off line, or while printing. However, it is recommended
that the printer be reset only when off line or loss of data may result.
2.
CLEAR is used with the PAPER ADV switch to set top-of-form (refer to Setting
the Top-of-Form section of this chapter).
3.
Pressing CLEAR when one of the configuration parameter values is displayed
places the printer back to off line status. Refer to the Control Panel Configuration
Diagram in the Configurtion chapter.
6/8 LPI Switch
Press this switch to display the current line spacing in lines per inch (lpi). Subsequently
pressing this switch steps the selection through 6, 8, a 10.3 (7/72") lpi. Use of the ENTER
P9012 Overview
2-3
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