Service Support

Installation and Operation of RP820 80mm Thermal Receipt Printer

2026-01-13

RP820?80mm thermal receipt printerInstallation and operation

1. Printer unpacking

Inspect the parts:

Please check the included parts upon unpacking. If any are missing, please contact the supplier or manufacturer.

Rongda Technology 80mm Thermal Receipt Printer

2. Printer Connection Method

(1) Ensure that both the printer and the PC host are turned off, and plug the matching data communication cable into the printer.On the data connection port, another oneThe connector is plugged into the USB/Ethernet port of the PC host.

(2) If the cash drawer is equipped with an electrically openable cash drawer, plug the RJ-11 connector on the cash drawer into the cash drawer port of the printer (the cash drawer must be compatible with the printer’s cash drawer drive specifications).

(3) A dedicated power adapter for connecting the printer.

Please use the dedicated power adapter included with the package. The connection diagram is shown below:

Rongda Technology 80mm Thermal Receipt Printer

Notice

(1) First, plug in the printer's DC24V power cord, then connect it to the AC220V power supply, and then turn it on.Do not reverse the order of the power switches, otherwise the machine will be damaged.

(2) Using an inappropriate power adapter can degrade print quality or even damage the printer.

(3) Do not connect the telephone line to the cash drawer interface, otherwise the printer and telephone may be damaged.

(4) When plugging or unplugging the printer power cord, hold the printer power connector by the arrow (do not hold the printer power cord cord by the hand). Forcibly pull the printer power connector cord to unplug the printer.A faulty printer power cord may damage the printer or power adapter.

3. Paper roll installation

The 820 printer uses 80.0 mm thermal paper rolls and features an easy-load mechanism for convenient paper loading. The thermal paper loading method is as follows:

(1) Open the printer cover.

Rongda Technology 80mm Thermal Receipt Printer

(2) Place the thermal paper roll into the paper loading compartment as shown in the figure below.

Rongda Technology 80mm Thermal Receipt Printer

(3) Pull out the printing paperRemove a small section from the outside of the box and close the lid.

Rongda Technology 80mm Thermal Receipt Printer

(4) Use the machine's blades to tear off the excess paper rolls.