1. Print Head Maintenance
When the printer has following circumstances, the user should clean the print head:
(1) Printing is not clear;
(2) Some longitudinal columns on the printing page is vague;
(3) Loud noise when feeding.
Procedure of maintaining the print head is listed below:
(1) Turn off the power supply and open the top cover. Remove the paper if necessary.
(2) Please wait for the cooling of print head if it just finishes printing.
(3) Use the cotton cloth and dip it in the absolute ethyl alcohol to clean the surface of print head.
(4) When the absolute ethyl alcohol is completely volatilized, please close the top cover and restart the printer.
2. Sensor Maintenance
When the printer has following circumstance, the user should clean the paperless sensor:
(1) During the printing, the printer occasionally stop print and the paperless alarm is beeping.
(2) 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 close the top cover and restart the printer.
3. Print Roll Maintenance
When the printer has following circumstance, the user should clean the print roll:
(1) Printing is not clear;
(2) Some longitudinal columns on the printing page is vague;
(3) 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:
(1) The power supply of printer should be turned off when the routine maintenance.
(2) 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.
(3) Do not use oil or acetone to do the maintenance.
(4) When the absolute ethyl alcohol is completed volatilized, then turn on the power to print.
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