aqprox! appPOS80AMUSE, Руководство пользователя, Страница: 22 / 48

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Sensor Maintenance
When the printer has following circumstance, the user should clean the pa-
perless sensor:
- During the printing, the printer occasionally stops print and the paper-
less alarm is beeping.
- No paperless alarm.
Procedure of maintaining the sensor is listed below:
1. Turn off the power supply and open the top cover. Remove the paper
if necessary.
2. Use the cotton cloth and dip it in the absolute ethyl alcohol to clean
the surface of sensor.
3. When the absolute ethyl alcohol is completely volatilized, please clo-
se the top cover and restart the printer.
Print Roll Maintenance
When the printer has following circumstance, the user should clean
the print roll:
- Printing is not clear;
- Some longitudinal columns on the printing page is vague;
- Loud noise when feeding.
Procedure of maintaining the print roll is listed below:
1. Turn off the power supply and open the top cover.
2. Use the cotton cloth and dip it in the absolute ethyl alcohol to clean
the surface of print roll.
3. When the absolute ethyl alcohol is completely volatilized, please close
the top cover.
Notice:
- The power supply of printer should be turned off when the routine
maintenance.
- Do not use hand or metal to touch the surface of print head and not
use tweezers to scratch the superficies of print head, print roll or sensor.
- Do not use oil or acetone to do the maintenance.
- When the absolute ethyl alcohol is completed volatilized, then turn on
the power to print.
8. FIX THE PAPER JAM
When paper jam happens, turn off the power supply and open the top