Zebra® GK888d™ is the best value model of desktop label printers. The GK888d™ printer can provide a thermal printing speed of up to 4ips (inches per second) at a printing density of 203 dpi (dots per inch). GK888d™ supports ZPL™ and EPL™ Zebra printer programming languages and various interfaces and functional options.
Zebra® GK888t™ is the best value model of desktop thermal printers. The GK888t™ printer can provide thermal transfer and thermal printing speeds of up to 4 ips (inches per second) at a printing density of 203 dpi (dots per inch).
GK888t™ supports ZPL™ and EPL™ Zebra printer programming languages and various interfaces and functional options.
The functions of GK888 printer are as follows:
This user guide provides all the information needed to perform the daily operation of the printer. To create a label format, please refer to the Programming Guide or a label design application such as E-Label™.
When connected to the host computer, this printer can be used as a fully functional label printing system.
Note: Many printer settings can also be controlled by printer drivers or label design software. For details, see the driver or software documentation.
This chapter explains how to set up the printer for the first time and how to perform the most commonly used media loading steps.
Regardless of whether the media is wound inside or outside, it can be loaded into the printer in the same way. Remove the outer circle of the medium. Rolled media may be contaminated with dust or dirt during transportation, handling, or storage. Remove the outermost circle of media to prevent sticky or dirty media from being caught between the print head and the print roller.
Before connecting the printer to the computer, make sure that the printer is in normal working condition. You can print a configuration status label to confirm.
When using the USB interface, the printer is a terminal device (not a host or hub). For more information about this interface
, please refer to “USB Specification”.
Note • Scanners, weighing equipment, or other data input (terminal) devices must use the serial port (not the
USB port) to send data to the printer.
Except for the data flow control settings, the Windows operating system default settings used for serial port communication match the printer’s default settings. The default data flow control setting for Windows is NONE. The printer needs to set the data flow control to Hardware.
Note • The printer does not currently support Plug and Play (PnP) device detection for Windows ® serial ports.
The options of this printer have various methods and tools to help Zebra network printers connect and configure on LAN (Local Area Network) or WAN (Wide Area Network). The Zebra Setup Utility configuration wizard supports the use of the printer’s IP address to create a printer connection in a shared network with a Windows-based system. The printer has an internal web page, which can easily complete the configuration of the printer and the network. Use a web browser to access these web pages through the printer’s IP address. The free version of ZebraNet™ Bridge software enables users to centrally deploy, manage and monitor Zebra® printers through Zebra® printers, and discover up to 3 printers from a single PC screen anywhere on the global network. ZebraNet™ Bridge Enterprise can be purchased to manage a large number of Zebra® printers.
The printer supports a variety of different interface options and configurations. These include: Universal Serial Bus (USB) interface, RS232 serial interface, parallel interface (IEEE 1284.4) and 10/100 Ethernet.
Zebra Setup Utility is dedicated to assist users in installing these interfaces. The following pages will discuss the cables and special parameters of each physical communication interface of the printer to assist users in completing configuration settings before and after connecting to the power supply. The Zebra Setup Utilities configuration wizard will prompt the user to turn on the printer at an appropriate time to complete the printer installation.
Caution • When connecting the interface cable, set the power switch to the OFF position. Before connecting or disconnecting the communication cable, the power cord must be plugged into the power supply unit and the power outlet on the back of the printer.
Data cables must be fully shielded and equipped with metal or metalized connector housings. To prevent radiation and receiving electrical noise, shielded cables and connectors must be used.
To minimize the level of electrical noise pickup in the cable, you should do the following:
Important Reminders • This printer uses a fully shielded data cable, which complies with the FCC “Regulations and Rules” Chapter 15 for Class B equipment. If unshielded cables are used, it may cause radiation emission levels to exceed the limits for Class B equipment.
Universal Serial Bus (2.0 compatible) provides a high-speed interface compatible with existing PC hardware. The USB uses a “plug and play” design for easy installation. Multiple printers can share a USB interface/hub.
If you want to use a USB cable (not provided with this printer), you should check the cable and the cable package for the Certified USB™ mark (as shown in the figure below) to ensure compliance with USB 2.0 specifications.
GK888 is equipped with a DCE serial communication port for hardware compatibility with older 888 printers. The required cable must have a nine-pin D-type (DB-9P) plug on one end that can be plugged into the mating (DB-9S) serial port on the back of the printer. The other end of the signal interface cable should be connected to the serial port of the host computer. This cable is a null modem (cross-signal connection) cable. Refer to “Appendix A” for pin information.
The serial port communication settings between the printer and the host (usually a PC) must match to ensure reliable communication. The most common settings that are changed most often are bits per second (or baud rate) and flow control. The host (usually a Windows PC) needs to change the data flow control to match the printer’s default communication method: the hardware is marked by the “Host
Handshake” setting DTR/Xon/Xoff. Depending on the non-Zebra application software or serial cable type in use, the hardware (DTR) and software (Xon/Xoff) mode combination may need to be changed.
The serial communication between the printer and the host computer can be set up in the following ways:
The baud rate synchronization process enables the printer to automatically match the communication parameters of the host computer. To set the baud rate automatically:
You can use the “Set Communication” (^SC) command to change the printer’s communication settings.
1. If the communication settings of the host computer are the same as the printer, you can send the ^SC command to change the printer to the required settings.
2. Change the settings of the host computer to match the new printer settings.
For more information about this command, please refer to “ZPL Programming Guide“.
Use the serial port setting (Y) command to change the communication settings of the printer.
Perform the following steps to reset the printer’s communication parameters to factory defaults (serial communication settings are: 9600 baud, 8-bit word length, no parity, 1 stop bit, and DTR/XON/XOFF data Flow control).
Note• The default serial port settings for earlier models of Zebra® printers running the EPL programming language are as follows:
9600 baud, no parity, 8 data bits, 1 stop bit, “hardware” and software ( Consolidation) Data control (actually DTR/Xon/Xoff). Windows operating system flow control settings are Hardware for most applications.
One end of the required cable must be a 25-pin D-type (DB-25P) plug (host), and the other end (printer) must be a “Centronics” interface (IEEE 1284 A-B parallel interface specification).
The printer requires a CAT-5 or higher UTP RJ45 Ethernet cable.
For more information on configuring the printer to operate on a compatible Ethernet network, please refer to the ZebraNet® 10/100 Internal Print Server Manual. The printer must be configured to work in a LAN (local area network) or WAN (wide area network). Access the printer’s onboard print server through the printer’s web page.
Now you can achieve basic communication with the printer, and test the printer communication, and then install other printer-related applications, drivers or utilities.
Checking the operation of the printing system is a relatively simple task. For Windows operating systems, the Zebra Setup Utility or the Windows “Printers and Faxes” control panel can access and print test labels. For non-Windows operating systems, you can use a (~WC) command to copy the basic ASCII text file to the printer and print the configuration status label.
Test printing using Zebra Setup Utility:
Use the Windows “Printers and Faxes” menu to test the printing situation:
Use the MS-DOS command prompt or from the Windows XP “Start” menu to perform a test print on an Ethernet printer connected to the network (LAN or WAN):
For non-Windows operating systems, use the copy ZPL command file to perform test printing:
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