pos iotbox receipt printing sometime printing error
i setup iotbox because i want customer display and pos printer print receipt
i use odoo v13 ce vps hosting
my iotbox is raspberry pi4 1g ver iotboxv20_02
my pos system raspberry pi4 2g raspberry lastest os
my pos printer is xprinter xp-n160II support esc/pos (usb)
and i also use usb barcode scanner
everything is good just my problem is sometime pos printer randomly printing error 2-3 times each day
see attach picture
https://www.dropbox.com/s/ighchd0wx8jazor/WhatsApp Image 2020-06-16 at 11.18.15 AM.jpeg?dl=0
anyone can help me solve this problem?