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3.6.2 Restrictions
To avoid damaging the printer, do not:
• Feed lines continuously more than 3 minutes.
• Continue character spacing without printing more than 5 minutes.
• Continuously print lines of 5 characters or less (at 10 cpi) more than 5 minutes.
• Continuously print at 50% duty more than 1 minute.
Note:
If the above limits are exceeded, the printer’s service life may be greatly shortened.