COBISS System Management Zebra GK420t User Guide V1.
© IZUM, 2013 COBISS, COMARC, COBIB, COLIB, IZUM are registered trademarks owned by IZUM.
CONTENTS 1 Introduction ......................................................................................................... 1 2 Using the GK420t printer .................................................................................... 1 2.1 2.2 2.3 2.4 2.5 2.6 Description of the printer ................................................................................................. 1 Connecting to power supply and installing printer ..........................................................
Zebra GK420t User Guide COBISS System Management FIGURES Figure 1: Back side of the printer.................................................................................................... 1 Figure 2: Front side of the printer ................................................................................................... 1 Figure 3: Opening the printer .......................................................................................................... 2 Figure 4: Closing the printer .........
COBISS System Management 1 Zebra GK420t User Guide Introduction This document presents how the GK420t printer is used in the COBISS system (connecting to power supply, changing paper, etc.). 2 Using the GK420t printer 2.
Zebra GK420t User Guide COBISS System Management Opening and closing the printer Figure 3: Opening the printer Figure 4: Closing the printer Printhead position Figure 5: Printhead 2/18 © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
COBISS System Management 2.2 Zebra GK420t User Guide Connecting to power supply and installing printer To connect your printer to a computer use the serial cable or the USB cable supplied with the printer. Connecting to power supply Figure 6: Connecting to power supply USB connection USB cable Figure 7: USB connection © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
Zebra GK420t User Guide COBISS System Management Serial connection Figure 8: Serial connection The printer comes with a serial and a USB interface. To connect the printer use the appropriate cable. During installation you can use the drivers available:  on CD supplied with your printer,  via http://www.zebra.com/id/zebra/na/en/index/products/printers/desktop/gk420t.4.tabs.html,  via http://www.seagullscientific.com/downloads/drivers/archive/7.2/7.2/Zebra_7.2.
COBISS System Management Zebra GK420t User Guide Figure 9: Cleaning the printhead 2.4 Placing the media roll and loading black ribbon cartridge Go through the following steps of the procedure: 1. Open the printer lid. Place the media roll on the green roll holder. Figure 10 : Opening the printer and placing the media roll © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
Zebra GK420t User Guide COBISS System Management 2. The media roll must go under both media guides. Under media guides Figure 11 : Pushing the media under the media guides 3. Place a new ribbon roll on the inner holder. Then, place an empty ribbon core, remained from the ribbon, on the front holder. Pay attention to lock the notches of the ribbon core properly. Attach the adhesive strip of the black ribbon cartridge to the empty ribbon core.
COBISS System Management Zebra GK420t User Guide Figure 13 : Final loading of the black ribbon cartridge 2.5 Resetting printer Once the media roll is placed and the black ribbon cartridge loaded, go through the following steps (make sure that the printer’s cover is closed and the status light is green): 1. Turn off the printer. 2. Press and hold the FEED button. 3. Turn on the printer. 4. The green status light flashes in sequences: once, then in the two-flash-, three-flash- and four-flash sequence. 5.
Zebra GK420t User Guide COBISS System Management Colour Status Green Flashing Normal functioning Red Flashing Labels or ribbon cartridge ran out. Green Double flashing The printer is idle. Orange Double flashing The printerhead is overheated. Green and red Alternately flashing Red and green Explanation and solution Flashing twice red and then once green Flash memory is not programmed, the printer requires service. The printhead or motor has a failure, the printer requires service.
COBISS System Management Zebra GK420t User Guide Figure 14 : Selecting the right model (GK420t) Then, select the Drivers tab and click Download under "Zebra Setup Utilities" to download the drivers to your computer (see Figure 15). © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
Zebra GK420t User Guide COBISS System Management Figure 15 : Selecting the right software package with drivers for GK420t Before downloading the driver package, the confirmation window will open and ask if you agree to the specified terms.
COBISS System Management Zebra GK420t User Guide displayed. Select ZDesigner GK420t and right-click the icon. Select Printing Preferences from the option list (see Figure 16). Figure 16 : Control Panel with Devices and Printers When you click Printing Preferences, a new window will appear in which you can set up parameters as illustrated in Figure 17. In the Options tab, pay particular attention to fields in the red boxes. Figure 17 : Printing settings © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
Zebra GK420t User Guide COBISS System Management Once you set up parameters under the Options tab, click the Advanced Settings tab and make sure that Thermal Transfer is selected under "Media Type" (see Figure 18). Figure 18 : Advance printing settings At the end, check if None is selected under the Colour dithering tab (see Figure 19). Figure 19 : Colour dithering 12/18 © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
COBISS System Management 5 Zebra GK420t User Guide Setting logical destinations in COBISS3 In COBISS3, select a printer for printing labels for the material in logical destinations. Select System/Settings/Logical destinations (see Figure 20). Figure 20 : COBISS3 user interface A new Local destinations editor window will open in which you will select Label – material: [default local printer] and click Edit (see Figure 21). Figure 21 : Local destinations editor © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
Zebra GK420t User Guide COBISS System Management The User destinations window will open in which you will click Add printer. In the new window select ZDesigner GK420t from the drop down list which you intend to use to print labels for the material (see Figure 22).
COBISS System Management Zebra GK420t User Guide Figure 24 : Refreshing settings in the COBISS3 user interface Now, you can start printing labels for the material. 6 Potential printing problems 6.1 Printing an extra blank label If labels cannot be printed properly after installing the drivers and setting the logical destinations (e.g. printing an extra blank label), the factory settings should be sent to the printer via original drivers.
Zebra GK420t User Guide COBISS System Management Figure 25 : Setting the printer By clicking the Preferences… button a new window with additional settings should pop up again, then select the Tools tab (see Figure 26). Figure 26 : Sending factory settings 16/18 © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.
COBISS System Management Zebra GK420t User Guide Select Action under Command type and Load factory defaults under Command Name, then click the Send button. This command sends the default factory settings to the printer. After that retry printing a label. 6.2 Printing an extra blank label If the settings do not resolve problems with an extra blank label, you can try with label calibration. You can use this method even if the printer prints one extra blank label besides the label for the material.
Zebra GK420t User Guide COBISS System Management Figure 28 : Media calibration Select Action under Command type and Calibrate media under Command name as shown in Figure 28. By clicking the Send button new re-calibration parameters are sent to the printer. After that retry printing a label. 18/18 © IZUM, 18. 3. 2013, VIF-NA-20-EN, V1.