Zebra A300 User's Guide download pdf (Page 21)

Turn the printer on by pressing the Power Switch on the rear of the printer.

The Power light will turn on. The printer performs a set of internal diagnos-

tics, and after the diagnostics have been completed (within 1 - 10 seconds)

the motor may start briefly.

If loading the printer with media for the first time or if you are changing the

type of media you’re using, perform a calibration. See “Calibration” on

page 18.

The thumbwheel on the side of the printhead allows the printhead pressure to

be adjusted for media narrower than the width of the printhead. To adjust,

rotate the thumbwheel to the left until the print quality along the edge starts

to lighten. Then rotate the thumbwheel to the right just enough to achieve

uniform print quality across the label. See Figure 4.

Refer to picture 10 on page 7. If you are using narrow media, hold the ribbon

spindle while turning the ribbon tension adjustment knob clockwise. For

full-width media, set the knob to the counter-clockwise direction. If your

media is somewhere inbetween, experiment until you get good results.

Table 3: Printer Indicator Light

Off Power is off or printer not receiving power

On Power is on

Flashes once

every 3 seconds

after power-up

Printer failed internal diagnostics. Call a

service technician.

Flashing

• Paper out or not sensed or

• Ribbon is out

• Needs calibration

• Printhead is over temperature

• Cutter error

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Zebra A300 User's Guide Page 21