User Guide Zebra GX420t / GX430t
Contents
1. Zebra GX420t GX430t Desktop Thermal Printer User Guide W Troubleshooting 93 Manual Calibration Manual Calibration Manual calibration is recommended whenever you are using pre printed media or if the printer will not correctly auto calibrate 1 Make sure media is loaded 2 Turn on the printer power 3 Press and hold the Feed button until the green status light flashes once then twice and then continuing until the flash groups reach the group of seven flashes Release the Feed button 4 The printer will set the media sensor for the label backing being used After it is done making this adjustment the roll will automatically feed until a label is positioned at the printhead A profile of the media sensor settings similar to the example below will print Upon completion the printer will save the new settings in memory and the printer is ready for normal operation 5 Press the Feed button One entire blank label will feed If this does not happen try defaulting refer to the four flash sequence in Feed Button Modes later in this chapter and recalibrating the printer Note Performing a manual calibration disables the auto calibration function To return to auto calibration default the printer refer to the four flash sequence in Feed Button Modes on page 97 in this section MEDIA WEB DIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDIA MEDI 5 8 082. GxX420t GX430t User Guide 980612 001 Rev B 94 Troubleshooting Troubleshooting Tests Troubleshooting Tests Printing a Configuration Label To print out a listing of the printer s current configuration refer to the one flash sequence in Feed Button Modes on page 97 in this section Recalibration PRINTER CONFIGURATION Zebra Technologies ZTC GX420t Ss Oise dda TET DARKNESS PRINT SPEED TEAR_OFF PRINT MODE MEDIA TYPE SENSOR TYPE SENSOR SELECT PRINT METHOD PRINT WIDTH LABEL LENGTH MAXIMUM LENGTH USB COMM PARALLEL COMM BAUD DATA BITS PARITY HOST HANDSHAKE PROTOCOL CONTROL CHAR COMMAND CHAR DELIM CHAR 2PL II ZPL MODE CALIBRATION MEDIA POWER UP CALIBRATION D CLOSE MARK S E TET MARK GAIN O95 s ssirrescsssoes MARK MED S OlSirrriesesrsseaas MARK MEDIA GAIN OSS ceccsasc are asees CONT MEDIA S OOZ vic ccacacleceaanee CONT MEDIA GAIN O75 ac naicacinnpsedoe RIBBON OUT O40 ais saaana RIBBON GAIN DOO R TAKE LABEL CAF acc ec cals sie cusinne MODES ENABLED seca necsesanspesece MODES DISABLED 832 87MM FULL RESOLUTION VS6 15 12P32 lt FIRMWARE VO6 00 0207 HARDWARE ID CUSTOMIZED CONFIGURATION 2944k ween eneee R RAM ISSGK wewsccvees E ONBOARD FLASH NONE onimi asec ernie FORMAT CONVERT 272291 IN cc ccenne LAST CLEANED 772291 IN eee HEAD USAGE C2929 Nose ace wee s TOTAL USAGE nes RESET CNTR1 me RESET
3. CNTR2 31A07330008 SERIAL NUMBER 2007 08 20 22 48 18 TIME STAMP FIRMWARE IN THIS PRINTER IS COPYRIGHTED Recalibrate the printer if it starts to display unusual symptoms such as skipping labels Refer to the two flash sequence in Feed Button Modes on page 97 in this section 980612 001 Rev B GX420t GX430t User Guide 5 8 08 Troubleshooting 95 Resetting the Factory Default Values Resetting the Factory Default Values Sometimes resetting the printer to the factory defaults may solve some problems Refer to the four flash sequence in Feed Button Modes on page 97 in this section Communications Diagnostics If there is a problem transferring data between the computer and printer try putting the printer in the communications diagnostics mode The printer will print the ASCII characters and their respective hexadecimal values a sample is shown below for any data received from the host computer To find out how There are multiple ways to enter hex data dump mode e The JD ZPL command e The dump EPL command e On power up with the Feed button pressed Refer to the power off mode procedure in Feed Button Modes on page 97 in this section The printer will print Now in DUMP see below and advance to the top of the next label Now in DUMP Press Feed to exit or send JE Net a AE TT RE O a TT 5 8 08 GxX420t GX430t User Guide 980612 001 Rev B 96 Troubleshooting Communications Diagnostics
4. The following example of a communications DUMP mode printed out The printout displays hexadecimal data 0Oh FFh 0 255 decimal with a unique character for each hexadecimal value displayed above the hexadecimal data weOveee Bold graeratuatsai 00 01 02 03 04 05 06 07 06 OS OA OB 10 11 12 13 14 15 16 17 amp 20 21 22 23 24 25 26 27 26 29 2A 2B 2C 2D 2E 2F 4 t gt Ra z H 30 31 32 33 34 35 36 37 36 39 3A 3B 3C 30 3E 3F 40 41 42 43 44 45 46 47 x lt w N y 0 a aad 2 gt Q oO Cc a w x ow w 3 w 3 0 o w v M 2 20 Pie m 0 m agi JE D lt D m amp 20 o o c lt c a ag a x n w pO c 3 z tw 10 A3 A4 AS AB AT AAcH Wars 4 B6 B7 B6 BS BA BB BC BD BE BF blr aA bee FeGuooDeGer tt cO C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CF DO D1 D2 D3 D4 DS D6 D7 ild ra tT eORPGOOSGOWppPDUUUYyY D amp DS DA DB DC DD DE OF EO E1 E2 E3 E4 ES E6 E7 E8 ES ER EB EC ED EE EF FO Fl F2 F3 F4 F5 F6 F F8 F9 FA FB FC FD FE FF The blank lines between the lines of data are where serial port and Bluetooth data handling errors get logged The errors are e F Frame Error e P Parity Error e N Noise Error O Data Overrun Error To exit the diagnostic mode and resume printing turn off and then turn on the printer An alternate method for exiting the diagnostic mode is to press the Feed button as many times as it takes to clear
5. r printing the first label the printer will automatically enter into diagnostic mode in which the printer prints out a literal representation of all data subsequently received To exit the diagnostic mode and resume printing turn off and then turn on the printer An alternate method for exiting the diagnostic mode is to press the Feed button as many times as it takes to clear the printer s command buffer and print Out of DUMP on the label GxX420t GX430t User Guide 980612 001 Rev B 98 Troubleshooting Feed Button Modes Power On Modes With the printer power on and top cover closed press and hold the Feed button for several seconds The green status LED will flash a number of times in sequence The explanation at the right Action shows what happens when you release the key after the start specific number of flashes and before the next flash sequence starts Flash Sequence Action Configuration Status Prints a detailed printer configuration status label The label can be used to verify printing assist printer to computer communication configuration maintenance troubleshooting and help us with customer care communications Standard Media Calibration The printer detects and sets media type and media length and it adjusts the media sensors for optimal performance with the installed media The printer will feed one to four labels Note Users familiar with the Zebra EPL desktop printer use this Feed mode to
6. replace power up AutoSensing calibration Serial Port Configuration Applies only to printers with serial interface ports To reset the communication parameters Press and release the Feed button while the LED rapidly flashes amber and green For autobaud synchronization Send the XA XZ command sequence to the printer while the LED rapidly flashes amber and green When the printer and host are synchronized the LED changes to solid green NOTE No labels will print during autobaud synchronization Factory Defaults Resets the printer to the default factory settings and modes See the configuration label for a list of the primary settings affected by this Feed Mode option Other settings are exclusively set viewed and controlled by programming are also reset The printer then performs a standard media calibration Print Width Adjustment Prints a succession boxes starting at the minimum print width and ending in the printer s maximum print width in 4mm increments Press the Feed button once when the printer has reached the desired maximum print width Note that the printer driver and applications can override this setting kkk KKK kkkkk kkkkkk Print Darkness Density Adjustment Prints a succession of bar code simulation patterns starting at the minimum darkness print density heat and ending in the printer s maximum darkness in increments of four 4 using the ZPL darkness setting range values Press the Feed bu
7. the printer s command buffer and print Out of DUMP on the label Out of DUMP 980612 001 Rev B GX420t GX430t User Guide 5 8 08 Feed Button Modes 5 8 08 Troubleshooting 97 Feed Button Modes Power Off Mode Communications Diagnostics Mode With the printer power off press and hold the Feed button while you turn on the power Flash Sequence Action Rapid Red Flashing Firmware Download Mode The printer starts rapidly flashing red to denote entry into the Firmware Download mode Releasing the Feed button here will start initializing the printer for download The printer is ready to start downloading firmware when the status light begins to slowly flash between red and green See Sending Files to the Printer on page 44 for more information on using the Firmware and File Download utility available for use with this printer Firmware updates for your printer if available are posted on the Zebra on our web site at www zebra com Amber Green Normal Operations Mode The printer continues into a normal printer initialization Releasing the Feed button here will allow the printer to start normally without firmware download or operating in communications diagnostics mode Communications Diagnostic Dump Mode Release the Feed button immediately after the printer status light turns green The printer will print Now in DUMP at the top of the label and then advance to the next label Afte
8. tton once the pattern is clear and legible Do not continue to increase the darkness setting Bar code line widths may become distorted reducing readability Note that the printer driver and applications can override this setting kkk kkkk kkkkk kkkkkk kkkkkkk Manual Media Calibration The printer runs extensive tests to detect and set media type and media length and then it adjusts the media sensors for optimal performance with the installed media Manual calibration is recommended whenever you are using pre printed media print on the liner or if the printer will not correctly auto calibrate A graphical profile of the media sensing will print See Manual Calibration on page 93 for more details and considerations If the Feed button remains pressed after a 8 flash sequence the printer exits the configuration mode when the Feed button is released 980612 001 Rev B GX420t GX430t User Guide 5 8 08
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