NOTE: Performing a manual calibration disables the auto-calibration function. If you use varying label lengths, you can set the printer to measure the label length (using the Zebra driver or the ^Mf command) or return to auto- calibration by defaulting the printer. (To do this, hold the feed button until it flashes four times). TROUBLESHOOTING ... Zebra - GK420d Direct Thermal Desktop Printer for Labels, Receipts, Barcodes, Tags, and Wrist Bands - Print Width of 4 in - USB and Ethernet Port Connectivity - GK42-202210-000 4.2 out of 5 stars 37 $485.73 $ 485 . 73 Question about Zebra GK420 Thermal Printer. Label definition in printer driver may need adjustment. Try calibrating printer, printer on solid green light, hold down feed key & release after light blinks 4 times, (blinks once, twice, three times then 4 times) Download the Zebra setup utility and use...Zebra GK420D купить - самая выгодная цена на официальном сайте. Технические характеритики (ТТХ) Zebra GK420d. Manual Zebra GK420D (page 1 of 102) (English) Драйвера для ZDesigner GK420d, DriverPack Solution GK420d Desktop Printer Support & Downloads