90% people still not know how to have self test page on thermal printer H58:
press feed button and power, keep press feed button untill you see the erro light on, release your hand. You will see self test page have come out. In self test page, you can know printer version, printer interface: USB or usb+bluetooth, density, printer language code page. etc.  

H58 Data details:

 58MM Economical Thermal Receipt Printer

●Large motor, gear movement

●90 mm / s ultra high print speed

●Built in adaptor very convienct to use

●Support 1D  bar code printing

●Large paper warehouse design, the perfect support 60MM large diameter rolls

●support GB18030 big font

●support multi language print

●support small font print

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