The Zebra GK420t monochrome desktop direct thermal/thermal transfer label printer comes equipped with an Ethernet port, prints 5″ per second at 203 dpi in a single color, and can be used to print labels, tags, receipts, or other media up to 4.09″ wide. This middle level desktop printer can serve as a direct thermal printer, which heats thermal paper to produce the print, or as a thermal transfer printer, which heats a ribbon to produce the print on the paper. Direct thermal/thermal transfer printers use heat instead of ink and are typically smaller, quieter, faster, and more energy-efficient than dot-matrix printers. The GK420t has a maximum print speed of 5″ per second at 203 dpi (dots per inch) and prints labels up to 39″ long. The 32-bit processor combined with 8 MB of SDRAM memory and 4 MB of flash memory offers faster first label printing with extensive media graphics. The Ethernet port enables the printer to be connected to a wired computer network (Ethernet cord sold separately). A USB port and an included USB cable provide connectivity to a computer or another device. EPL and ZPL programming languages are standard.
The GK420t printer’s double-walled casing is made of ABS (acrylonitrile butadiene styrene), which helps resist impact. An open-access design facilitates media loading. The printer automatically detects installed media and calibrates to the media type and length for accurate printing. A reflective sensor allows the printer to identify the gaps, holes, notches, or black marks between labels to print the labels accurately. A transmissive sensor enables it to detect when a roll of media has run out. An odometer can be used to track the print length. The auto-detectable power adapter can accept AC power between 100 and 240 volts. This product is suitable for use with black bar, black mark, continuous, continuous receipt, die-cut, fanfold, gap, notched, perforated, receipt, roll-fed, tag, or tag stock media (all sold separately). The maximum outside diameter for rolls is 5″.
|Resolution||203 dpi (8 dots/mm)|
|Memory||8 MB SDRAM; 4 MB Flash|
|Print Width||4.09″ maximum|
|Media Sensors||Reflective, transmissive|
|Label and Liner Width Range||0.75″ to 4.25″|
|Label and Liner Length Range||0.38″ to 39″|
|Maximum Roll Diameter||5″|
|Core Diameter||0.5″, 1.0″, and 1.5″|
|Media Thickness Range||0.003″ to 0.0075″|
|Media Types||Black bar, black mark, continuous, continuous receipt, die-cut, fanfold, gap, notched, perforated, receipt, roll-fed, tag, tag stock|
|Operating Temperature||40 to 105 degrees F|
|Operating Humidity||10 to 90 percent non-condensing|
|Storage Temperatures||-40 to 140 degrees F|
|Storage Humidity||5 to 95 percent non-condensing|
|Voltage and Frequency||Auto-detecting 100-240 VAC, 50-60 Hz|
|Dimensions||7.5 x 7.6 x 10 inches (H x W x D)*|
* H is height, the vertical distance from the lowest to highest point; W is width, the horizontal distance from left to right; D is depth, the horizontal distance from front to back.
Zebra Technologies manufacturers barcode, receipt, kiosk, and radio-frequency identification (RFID) printers and accessories. The company, founded in 1969, is headquartered in Lincolnshire, IL.
What’s in the Box?
- Power supply
- Power cord
- USB cable
- Ribbon core
- Cleaning pen
- Software CD
- User manual
Desktop printer can be used to print labels, tags, receipts, or other media up to 4.09″ wide
Serves as either a direct thermal printer, which heats thermal paper to produce the print, or as a thermal transfer printer, which heats a ribbon to produce the print on the paper
32-bit processor printer has print speeds of up to 5″ per second; prints in a single color at 203 dpi
Ethernet port enables the printer to be connected to a wired computer network
Measures 7.5 x 7.6 x 10 inches (H x W x D); weighs 4.6 lb.