Star Micronics SP500 Series, Technical Manual

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2. Adjustment of the Dot Aligment
1. Set the roll paper.
2. Press the FEED switch on the printer's control panel while turning the power switch ON.
3. Enter the Adjusting the dot alignment mode by releasing the FEED switch after the buzzer sounds twice.
4. After entering the adjusting the dot alignment mode, a printout of the adjustment patterns similar to the printout
below will be printed. The asterisk indicates the current adjustment pattern.
5. To adjust, use the FEED switch to select the adjustment pattern from the printout with the smallest gap between
the first printing pass and the return printing pass. Press the FEED switch once to specify the first adjustment pattern,
twice to specify the second adjustment pattern, and so on up to seven times to specify the seventh adjustment pattern.
Press and hold the FEED switch the last time you press the switch.
(For example, if you want to select the fourth adjustment pattern, press the FEED switch three times.
Then, press and hold the FEED switch until the long buzzer sounds.)
There are only seven adjustment patterns. The buzzer will sound each time the FEED switch is pressed.
However, if you press the FEED switch more than seven times, a warning alert will sound.
After setting the adjustment pattern, a printout with the selected adjustment pattern highlighted and the
message “Adjust Completed!” will be printed.
Fig. 1-5 Dot Alignment Adjustment Sample 1