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Operation 3–3
Power On–Off
The power On–Off switch is located at the rear of the printer and is marked
“O” for power off, and “I” for power on. When you press the power switch
to “I”, all function indicators light for approximately two seconds, and the
RDY indicator remains lit to show the printer is on–line.
Operator Panel Switches and Indicators
The operator panel has five switches with indicators, and a three–digit
numerical display (Figure 3–2). The switches, labeled RDY, CHK, 8LPI and
TOF, each have a small Light Emitting Diode (LED) indicator.
RDY
MODE
F/L
CHK
ADDR
8LPI
DATA
TOF
2nd
FUNC
SwitchIndicator
Digital
Panel
Figure 3–2. Operator Panel
NOTE: Printer will not operate if the CHK indicator is flashing.
When you turn the printer on, all four indicators light for approximately two
seconds. However, the RDY indicator remains lit to show the printer is
controlled by the host computer, on–line and ready to print.
You can only use the CHK, 8LPI and TOF switches when the printer is
off–line. To take the printer off–line, press the RDY switch until the indicator
flashes. The flashing indicator shows the printer is not controlled by the host
computer, and is off–line. The following descriptions outline the switches in
more detail.