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58/76/80mm Receipt Printer
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Print Roll Maintenance of Bluetooth Android Thermal Printer RP820

Print Roll Maintenance of Bluetooth Android Thermal Printer RP820

  • 2019/12/15
Print Roll Maintenance of Bluetooth Android Thermal Printer RP820
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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