4.4 Connecting the Interface Cable................13 4.5 Connecting the Cash Drawer ................13 4.6 Paper roll installation..................14 4.6.1 Confirmation of printing paper ............. 14 4.6.2 VT300 installation/change Paper............15 4.7 Setting DIP switch.....................17 4.7.1 Serial Interface(RS-232C) ............... 17 4.7.2 Interfaces of USB and Ethernet.............17 4.7.3 Auto cutter enable/disable selection ...........
Page 3
VT300 User Manual 6.2 LED indicator on the control panel and beeper alarm ........22 6.3 Troubles occur during printing ................. 22 6.4 Problems emerge during the paper cutting processes........23 6.5 Removing Jammed Paper ................. 23...
VT300 User Manual Important Safety Instructions 1. Safety warning Warnings: The print head will become very hot during printing; avoid contact with the print head after printing has finished. Warnings: Do not touch the print head and connector in case static damages the print head.
1 Overview 1.1 Introductions VT300 is a thermal receipt printer with auto-cutter, featured by high printing quality, high printing speed, high stability, etc. It can be used in commercial POS system, food industry and applications which need real-time field print receipts.
VT300 User Manual 2 Specifications 2.1 Printer specification Table2-1 General Specification (1/2) Model VT300 Print method Direct thermal line printing Resolution 203dpi,8dots/mm Printing width 72mm/48mm Printing Parameter Print speed 200~250mm/s Interface Serial, Parallel, Ethernet, USB, Cash drawer(optional) Print density Adjustable from level 1 to level 4...
Page 8
VT300 User Manual Table2-1 General Specification (Continued) (2/2) Model VT300 Power LED Green LED Paper LED Red LED LED Indicator Error LED Red LED Charging External power adapter Power Supply Input AC100V-240V 50-60HZ 2.5A Output Paper type Specified Thermal Paper ...
VT300 User Manual 2.2 Printing media specification 2.2.1 Continuous thermal paper specification Paper type: specified thermal paper Paper width: Paper outer diameter: Max. 83 mm. Paper roll core: internal diameter: 12mm Outer diameter: 18mm.
VT300 User Manual 2.3 Printing and cutting position 2.3.1 Printing position mm Print Paper mm Print Paper 2.3.2 Cutting position Figure 2.3.2 Type Paper Cutting Position(L1) VT300 11.8mm...
VT300 User Manual 3 Printer Components 3.1 Appearance and component Note: The views above are for your reference. Ports may vary...
Page 12
Please turn off the power immediately. 6) Paper guide Paper guide can change the position to adapt to different paper width. VT300 storehouse has 4 paper guide slot. Paper guide slot 1/4 adapt to mm print paper respectively.
VT300 User Manual 3.2 Specification of Indicated light and beeper Function specification of Indicated light and beeper Name Status Specification POWER LED Bright The printer work well (Green) Extinguish The printer does not work ERROR LED Flashed The printer in an error state (Red)...
VT300 User Manual 4 Printer Packing 4.1 Open packing When opening the package, according to the packing list to check if items are missing or damaged, if so, please contact the dealer or manufacturer. 4.2 Choice installation site and direction of printer 1) The printer should install at a flat and steady place.
Page 15
VT300 User Manual The plug of AC adapter is designed in a switch type, when accessing AC adapter and uttered the voice "click", it means the connected socket switch is locked the adapter connect well, otherwise please connect again. When pulling out the adapter, please pinch the shell of AC adapter and pull the switch up, when the switch is fully opened then pull out the AC adapter.
VT300 User Manual 4.4 Connecting the Interface Cable 1) Make sure the printer's power switch is turned off 2) Put the interface cable into the matched interface and fixed with screws (or spring) on the plug 3) Connect the other end of the interface cable to the host 4.5 Connecting the Cash Drawer...
VT300 User Manual 4.6 Paper roll installation After connecting the AC adapter and interface cable, you can install media for printing. Confirm the type of paper used by the printer before printing. The default paper type is specified thermal paper.
4.6.2 VT300 installation/change Paper 1) Turn off printer power supply. 2) Pressing the open button, open the top cover of VT300(Like figure 4.6.1) Figure 4.6.1 3) Put the paper into printer. Pay attention to the direction of the paper.(Like figure 4.6.2)...
Page 19
VT300 User Manual 5) Tear the redundant paper.(Like figure 4.6.4) Figure 4.6.4 Notes: ► According to the paper size to adjust the paper guide; ► Make sure the paper inside is at tight status, or it will tissue paper or other...
VT300 User Manual 5 Interfaces Signal Printer VT300 supports cash drawer interface and many other various communicate interfaces, such as Serial interface, USB interface, and Ethernet interface. The printer has the communication board with the default USB interface and cash drawer interface, and the other communication boards with the Ethernet interface, and RS232 interface are optional.
VT300 User Manual 5.4 Serial interface and Ethernet interface Printer VT300 serial interface is compatible with RS-232 standard, with 9 pin (D hole type) socket. Serial interface definition Ethernet interface definition Signal definition PIN No. Signal definition PIN No. PIN 1...
VT300 User Manual 6 Troubleshooting Your printer is very reliable, but occasionally problems may occur. This chapter provides information on some common problems you may encounter and how to solve them. If you encounter problems that you cannot resolve, contact your dealer for assistance 6.1 Printer not working...
VT300 User Manual 6.4 Problems emerge during the paper cutting processes Problem description Probable reason Solution Cutter abrasion, Replace the cutter insufficient cutting Cutter jam, the Worm gear and worm Replace the worm gear and worm wheel movable cutter wheel abrasion...
Page 27
VT300 User Manual If the auto cutter jam occurs on printer VT300 and you cannot open the printer cover, open the cutter cover as shown on the left below. 1) Turn the printer off and open the front cover. 2) Turn the knob until cutter return to the normal position (tip tag).