RP421 Mini Thermal Printer Instructions

Thank you for purchasing our Mini label printer!  We will show you how to install and set up the the label printer below, Please take some time to read patiently before operating. 

connect printer and install label

Install printer driver


Please download our latest Windows driver HERE. And then follow the video below to install the driver


Please download Mac driver HERE. And follow the video below to install. ( Right click your mouse to open the .pkg file with installer

Print Waybill label (Windows& Mac)

Please choose paper size of 4×6” (Windows) or 100x150mm (Mac) when print waybills

Download the sample air waybill to test print if you don’t have any airwaybill . 

Special Note for Mac:  Recently Chrome has some issue to recognise the paper size name. You can download the pdf and open with Preview to print as well. 

Printing Settings for Shopee
Printing Settings for Lazada
Printing Settings for Qoo10
Printing Settings for Easy Parcel
Printing Settings for Ninja Van dashboard

Ninjia van dashboard air waybill is not optimized for label printer and need to modify before print. Solution: 

Download your airway bill pdf file in 1 bills per page format from Ninjia van dashboard and then Go to this link.  Upload you waybill and split one page to 2 pages. Download the new pdf file and print first page.