Gebruiksaanwijzing /service van het product GC420t van de fabrikant Zebra
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User Guide Zebra ® GC420t™ Desktop Thermal Printer.
ii P1039498-001 GC420t™ User Guide 8/15/201 1.
iii 8/15/201 1 GC420t™ User Guide P1039498-001 ©201 1 ZIH Corp. GC4 20, GC420t, ZBI, ZBI 2.0, ZBI-Developer , Uni-Ribbon, ZebraDesigner , ZebraNet, EPL, EPL2, ZPL, ZPL II and all product names and .
iv P1039498-001 GC420t™ User Guide 8/15/201 1 FCC Compliance St atement This device compli es with Part 15 rules. Operati on is subject to the following t wo conditions: 1. This device may not cause harmful in terferen ce, and 2. This device must accept any interference recei ved, including interferenc e that may cause undesired operation.
8/15/201 1 GC420t™ User Guide P1039498-001 About This Document This section provides yo u with contact informatio n, document structure and organiz ation, and additional re ference docu ments. Content s Who Should Use This Document . . . . . . . . .
Who Shoul d Use This Docum ent vi P1039498-001 GC420t™ User Guide 8/15/201 1 Who Should Use This Document This User Guide is intended for use by any pe rson who needs to op erate or to troubl eshoot problems with the printer.
vii Contacts 8/15/201 1 GC420t™ User Guide P1039498-001 Cont act s T echnical Support vi a the Internet is availa ble 24 hour s per day , 365 days p er year . W eb Site: www .zebra.co m E-mail Back T e chnical L ibrary: E-mail address: emb@zebra.com Subject line: Ema illist Self Service Knowledge Base: www .
Document Conventions viii P1039498-001 GC420t™ User Guide 8/15/201 1 Document Conventions The following co nventions are used throughout this do cument to convey certain information. Alternate Color (online only) C ross-referenc es contain hot links to other sections in this guide.
8/15/201 1 GC420t™ User Guide P1039498-001 Contents • About This Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Who Should Use This Document . . . . . . . . . . . . . . . . . . . . . . . . . . .
x P1039498-001 GC420t™ User Guide 8/15/201 1 3 • Print Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Determining Printer Configuration. . . . . . . . . . . . . . . . . . . . . . . . . .
xi 8/15/201 1 GC420t™ User Guide P1039498-001 6 • T roubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 S tatus Light Descriptions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
xii P1039498-001 GC420t™ User Guide 8/15/201 1 Notes • ___________ _________ ___________ ____________ ___________ _____________ ___________ _________ ____________ ___________ ___________ _________.
8/15/201 1 GC420t™ User Guide P1039498-001 1 Introduction This section describes what you get in your sh ipping box and p rovides an overview of printer features. This includes procedur es that describe how to open and close the printer and report any problems.
Introduction GC420t™ Thermal Printe rs 2 P1039498-001 GC420t™ User Guide 8/15/201 1 GC420t™ Thermal Printers The Zebra ® GC420t™ model is the best value in a desk top thermal printer .
3 Introd uction What’s in the Box? 8/15/201 1 GC420t™ User Guide P1039498-001 What’ s in the Box? Save the carton and all packi ng materials in case you need to ship or store th e printer later .
Introduction What’s in the Box? 4 P1039498-001 GC420t™ User Guide 8/15/201 1 Y o ur Printer Opening the p rinter T o access the media comp artment, you must open the printer . Pull the release latches t owards you and lift the cover . Check the media compartme n t for loose or d amaged components.
5 Introd uction What’s in the Box? 8/15/201 1 GC420t™ User Guide P1039498-001 Printer Features Sensor Peel Bar Platen Roller Printhead BlackLine Sensor Ribbon Motion Sensor Media Guides Head-Up Se.
Introduction What’s in the Box? 6 P1039498-001 GC420t™ User Guide 8/15/201 1 Operator Controls Power Switch Press up to turn ON or down to turn OFF the printer . Caution • The printer power should b e turned off before connecting or disconnecting the communications and power cable s.
7 Introd uction What’s in the Box? 8/15/201 1 GC420t™ User Guide P1039498-001 Feed Button • T ap the Feed button once to force the prin ter to feed one blan k label. • Press the Feed button to take th e printer out of a “pause” conditi on.
Introduction What’s in the Box? 8 P1039498-001 GC420t™ User Guide 8/15/201 1 Closing the printer 1. Hold the top cover and press t he “k ick-stand’ cov er lock to release. Lower the top cover . The ribbon carriage automatic ally folds up into place.
8/15/201 1 GC420t™ User Guide P1039498-001 2 Getting Started This section describ es how to set up your printer for the first time and use the most common operating procedu res for loading medi a. Content s Attaching Power . . . . . . . . . . . . . .
Attaching Power 10 P1039498-001 GC420t™ User Guide 8/15/201 1 Att aching Power 1. Make sure the p rinter ’ s power swi tch is in the o ff position (down ). 2. Insert the AC po wer cord into th e power supply . 3. Plug the other end of the cord into an appropriate AC electrical outlet.
11 Loading Roll Media 8/15/201 1 GC420t™ User Guide P1039498-001 Loading Roll Media When you load med ia, you must place the roll onto the media hangers. Y ou must use the correct media for the ty pe of printin g you require. Prep aring Media Whether your roll media is inside o r outside woun d, you load it i nto the printer the same way .
Loading Roll Medi a 12 P1039498-001 GC420t™ User Guide 8/15/201 1 Placing the Roll in the Media Comp artment 1. Open the printer . Remember that you ne ed to pull the relea se latch leve rs toward the front of the prin ter . 2. Open the media guides by turning the media gu ide adjustment knob towards the rear of the printer .
13 Loading Roll Media 8/15/201 1 GC420t™ User Guide P1039498-001 3. Open the media rol l holders. Pull the media guide s open with your free hand and pl ace the media roll on the roll hold ers and releas e the guides. Orien t the media ro ll so that its printing surface will face up as it passes over the platen (drive ) roller .
Loading Roll Medi a 14 P1039498-001 GC420t™ User Guide 8/15/201 1 4. Pull the media so th at it extends out o f the front of the p rinter . V erify the roll turns fre ely . The roll must not sit in the botto m of the media compartmen t. V erify that the media’ s printing surface is facing up.
15 Loading Transfer Ribbon 8/15/201 1 GC420t™ User Guide P1039498-001 Loading T ransfer Ribbon T ransfer ribbons come in severa l varieties and in so me cases colors to match your application needs. Genuine Zebra ® transfer ribbons are sp ecifically designe d for your printer and Zebra brand media.
Loading Transfer Ribbon 16 P1039498-001 GC420t™ User Guide 8/15/201 1 1. W ith the printer op en, thread the ri bbon thro ugh the ribbon carriage. Press the right side onto the spring lo aded supply hub. Alig n the left side of the ri bbon core notches to the lef t supply (spi ndle) hub spok es.
17 Loading Transfer Ribbon 8/15/201 1 GC420t™ User Guide P1039498-001 3. Attach the ribbon to the take up core. Use the adhesi ve strip on new rolls; otherwise, use tape. Y ou must align th e ribbon when you are attachi ng it to the core , so that it will be taken straig ht onto the c ore and align wit h the supply .
Loading Transfer Ribbon 18 P1039498-001 GC420t™ User Guide 8/15/201 1 6. If printer powe r is on, press the Feed button to have the printer feed a min imum of 10 cm (4 inches) of media to remove sl ack and ribb on wrinkle, and to align the ribbon on th e spindles.
19 Printing a T est (Printer Configurati on) Label 8/15/201 1 GC420t™ User Guide P1039498-001 Printing a T est (Printer Configuration) Label Before you connect the printer to your computer , make sure that the printer is in p roper working order . Y ou can do this by printi ng a configurat ion status lab el.
Pre-install Windows® Printer Drivers 20 P1039498-001 GC420t™ User Guide 8/15/201 1 Pre-inst all Windows® Printer Drivers Zebra is changin g the way you install and use your printer with your W indows based PC systems.
21 Pre-install Windows® Printer Drivers 8/15/201 1 GC420t™ User Guide P1039498-001 Universal Serial Bus (USB ) Device Communications The printer is a terminal device (not a host or hu b) when using a USB interface. Y ou can refer to the USB Spec ification for d etails regard ing this inte rface.
Connecting your Printer to a Computer 22 P1039498-001 GC420t™ User Guide 8/15/201 1 Connecting your Printer to a Computer The Zebra ® GC420 printers supp ort a variety of interf ace options and config urations. These include: Universal Se rial Bus (USB) interface, RS232 Serial, Parallel (IEEE 1284.
23 Connecting your Printer to a Computer 8/15/201 1 GC420t™ User Guide P1039498-001 USB Interface Requirement s Universal Serial Bus (ve rsion 2.0 complia nt) provid es a fast interface that i s compatible with your existing PC hardware. USB’ s “plug and play” design ma kes installation e asy .
Connecting your Printer to a Computer 24 P1039498-001 GC420t™ User Guide 8/15/201 1 Serial Communications The GK888 has a DCE serial communi cation port for hardware compatibil ity with legacy 888 printers.
25 Connecting your Printer to a Computer 8/15/201 1 GC420t™ User Guide P1039498-001 EPL Y Command Use the serial port setup ( Y ) co mmand to change th e communications set tings on the pri nter .
Connecting your Printer to a Computer 26 P1039498-001 GC420t™ User Guide 8/15/201 1 Parallel Port The required cable must have a 25 pin “D” type (DB-25P) male connector (h ost) on one end and a Centronics (print er) on the other end (I EEE 1284 A-B parallel inte rface specification).
27 Connecting your Printer to a Computer 8/15/201 1 GC420t™ User Guide P1039498-001 Ethernet The printer requires UTP RJ4 5 Ethernet cable rated CA T -5 or better . For more informatio n on configurin g your printer to run on a compatible Ethe rnet based network, see the ZebraNet® 10/100 Intern al Print Server manual.
After Y our Printer is Connected 28 P1039498-001 GC420t™ User Guide 8/15/201 1 Af ter Y our Printer is Connected Now that you have basic commu nication to you r printer , you may want to test printer communications and then install other printer related applications, d rivers or utiliti es.
29 After Y our Printer is Connected 8/15/201 1 GC420t™ User Guide P1039498-001 T est Print with a Copied ZPL Command File for Non-W indows Operating Systems: 1. Create a text fil e with the following ASCII th ree characters: ~WC 2. Save the file as: TEST .
After Y our Printer is Connected 30 P1039498-001 GC420t™ User Guide 8/15/201 1 Notes • ___________ _________ ___________ ____________ ___________ _____________ ___________ _________ ____________ _.
8/15/201 1 GC420t™ User Guide P1039498-001 3 Print Operations This section pro vides media and print handling, font and lan guage support, an d the setup of less common printer configurations. Content s Determining Printer Configuration . . . . . . .
Determining Printer Configuration 32 P1039498-001 GC420t™ User Guide 8/15/201 1 Determining Printer Configuration The printer uses a ZPL printer config uration status label to report the printer ’ s config uration status for both EPL and ZPL op erations.
33 Modes of Printing 8/15/201 1 GC420t™ User Guide P1039498-001 Modes of Printing Y ou can operate this printer in many di fferent modes and media configurations: • Direct thermal prin ting (which us es heat sensitive media to print). • Thermal transfer printing (whi c h uses ribbon to heat transfer pr int to the med ia).
Print Media T ypes 34 P1039498-001 GC420t™ User Guide 8/15/201 1 T able 1 • T ypes of Media Roll and Fanfold Media Media T ype How It Looks Description Non-Continuous Roll Media Roll media is wound on a core that can be 0.5 to 1.5 in. (12.7 to 38.
35 Replacing Supplies 8/15/201 1 GC420t™ User Guide P1039498-001 Determining Thermal Media T y pes Thermal transfer media requires ribbon for prin ting while direct thermal me dia does not. T o deter mine if ribbon must be used wit h a particular media, perform a media scr atch test.
Adjusting the Print Width 36 P1039498-001 GC420t™ User Guide 8/15/201 1 Replacing a Partially Used T ransfer Ribbon T o remove used transfer ribbon, perform the fol lowing steps. 1. Cut the ribbon from the take-up roll. 2. Remove the take-up roll an d discard used ribbon.
37 Media Sensing 8/15/201 1 GC420t™ User Guide P1039498-001 Media Sensing The printer has au tomatic media sensing capability . The printer is desi gned to continu ously check and adju st media length sensi ng for minor variations.
Ribbon Overview 38 P1039498-001 GC420t™ User Guide 8/15/201 1 Ribbon Overview Ribbon is a t hin film that is coat ed on one side with wax, resin, or wax resin, which is transferred to the media duri ng the therm al transfer pr ocess. The medi a determines whether you need to use ribbon and how wide the ribbon must be.
39 Ribbon Overview 8/15/201 1 GC420t™ User Guide P1039498-001 Ribbon T est with Adhesive If you have lab els available, perform th e adhesive test to determine which sid e of a ribbon is coated. This method works well for ribbon that is already install ed.
Printing on Fa n-Fold Medi a 40 P1039498-001 GC420t™ User Guide 8/15/201 1 Printing on Fan-Fold Media Printing on fan-fol d media requires you t o adjust the media guide’ s stop p osition. 1. Open the t op cover . 2. W ith a sample of your media, adjust the medi a roll holders to the width of the media.
41 Printing on Fan-F old Media 8/15/201 1 GC420t™ User Guide P1039498-001 3. W ith a sampl e of your media, adjust the gu ides to the width of the media.The guides should just t ouch, but not restri ct, the edges of the media. 4. Run the media between the me dia guide and roll ho lders.
Printing with Externally Mo unted Roll Media 42 P1039498-001 GC420t™ User Guide 8/15/201 1 Printing with Externally Mounted Roll Media The GC420 printer acc ommodates external ly mounted roll media similar to the printer’ s support of fan-fold media.
43 Fonts and Y our Printer 8/15/201 1 GC420t™ User Guide P1039498-001 Font s and Y our Printer The GC420 printer supp orts your language an d fo nt requiremen ts with a variety of internal fonts, on-board font scaling, in ternational font sets and character code page support, Unicode support, and font downlo ad.
Fonts and Y our Printer 44 P1039498-001 GC420t™ User Guide 8/15/201 1 Identifying Font s in Y our Printer Fonts and memory are shared by the programming lang uages in the printer . Fonts can be loaded in many memory areas in the GC420 printer . ZPL programming can recognize EPL and ZPL fonts.
45 S tand Alone Printing 8/15/201 1 GC420t™ User Guide P1039498-001 S t and Alone Printing Y our printer can be config ured to work withou t being attached to a computer .
Sending Files to the Printer 46 P1039498-001 GC420t™ User Guide 8/15/201 1 Sending Files to the Printer Graphics, font s and programming files can be sent to the printer from the M icrosoft W indows.
8/15/201 1 GC420t™ User Guide P1039498-001 4 Printer Options This section covers th e common printer opti ons and accessories with brie f descriptions and how to get yo u started using or configuring your p rinter option or a ccessory . Content s Label Dispenser Option .
Label Dispenser Option 48 P1039498-001 GC420t™ User Guide 8/15/201 1 Label Dispenser Option The factory insta lled label dispenser op tion allows you to print a label with backing (liner/web) being re moved from the la bel as it prints, ready for applicati on.
49 Label Dispenser Option 8/15/201 1 GC420t™ User Guide P1039498-001 2. Lift the liner over the top of the printer and open the dispenser door . 3. Insert the lab el liner between the di spenser door and the printer body .
Label Dispenser Option 50 P1039498-001 GC420t™ User Guide 8/15/201 1 4. Close the disp enser door . 5. Press the Feed button to advance the media. 6. During the print job, the printer will peel of f the backing and present a single label. T ake the label fro m the printer to al low the print er to print the next label.
51 Cutter Option 8/15/201 1 GC420t™ User Guide P1039498-001 Cutter Option The printer supports a factory installed medi a cutter option for full width cutting of lab el liner , tag or receipt media. These cutter option s are all supported in a single cutter housing design .
Cutter Option 52 P1039498-001 GC420t™ User Guide 8/15/201 1 Loading Media with the Cutter Option 1. Open the printer . Remember that you ne ed to pull the relea se latch leve rs toward the front of the prin ter . 2. Open the media guides by turning the me dia guide ad justment knob t oward the rear o f the printer .
53 Cutter Option 8/15/201 1 GC420t™ User Guide P1039498-001 3. Open the media rol l holders. Pull the media guide s open with your free hand and pl ace the media roll on the roll hold ers and releas e the guides. Orien t the media ro ll so that its printing surface wi ll be up as it passes over the platen (drive) ro ller .
Cutter Option 54 P1039498-001 GC420t™ User Guide 8/15/201 1 5. Close the media guides by turnin g the guide adju ster knob to the fron t. They should ju st touch, but not restrict. the edges of the media.. 6. Close the prin ter . Press down until the cover snaps closed.
55 ZebraNet® 10/100 In ternal (Wired) Print Server Op tion 8/15/201 1 GC420t™ User Guide P1039498-001 ZebraNet ® 10/100 Internal (Wired) Print Server Option The ZebraNet ® 10/100 Intern al Print Serv er (PS) is an opti onal factory insta lled device that connects the network and your ZebraLink TM -enabled printer .
ZebraNet® 10/100 Internal (Wi red) Print Server Option 56 P1039498-001 GC420t™ User Guide 8/15/201 1 Printer Network Configuration S t atus Label GC420 printers wi th the ZebraNet ® 10/100 Interna.
57 Zebra® KDU — Printer Accessory 8/15/201 1 GC420t™ User Guide P1039498-001 Zebra ® KDU — Printer Accessory The Zebra ® KDU (keyboard display u nit) is a small terminal u nit that interfaces with the printer for accessing EPL la bel forms stored in the pr inter .
KDU Plus™ — Printer Accessory 58 P1039498-001 GC420t™ User Guide 8/15/201 1 KDU Plus™ — Printer Accessory The KDU Plus™ is a te rminal device wi th memory for storing files a nd maintaining one or more remote print ers. The KDU Plus h as a larg er laptop style keyboard than the Zebra’ s original KDU desi gn.
59 ZBI 2.0™ — Zebra Basic Interpreter 8/15/201 1 GC420t™ User Guide P1039498-001 ZBI 2.0™ — Zebra Basic Interpreter Customize and enhance your printer with ZBI 2.
ZBI 2.0™ — Zebra Basic Interpreter 60 P1039498-001 GC420t™ User Guide 8/15/201 1 Notes • ___________ _________ ___________ ____________ ___________ _____________ ___________ _________ ________.
8/15/201 1 GC420t™ User Guide P1039498-001 5 Maintenance This section provid es routine cl eaning and mai ntenance proced ures. Content s Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Cleaning 62 P1039498-001 GC420t™ User Guide 8/15/201 1 Cleaning When you clea n the printer , use one o f the following su pplies that be st suits your ne eds: Y ou can obtain cleaning su pplies at www .zipzebra.com . The cleaning pro cess takes just a coup le of minutes usin g the steps outlined below .
63 Maintenance Cleaning 8/15/201 1 GC420t™ User Guide P1039498-001 Cleaning the Printh ead Always use a new cleaning pen on the printhead (an ol d pen carries contaminant s from its previous u ses that m ay damage the pr inthead). When you loa d new media, yo u can also clea n the printh ead.
Maintenance Cleaning 64 P1039498-001 GC420t™ User Guide 8/15/201 1 Media Path Considerations Use a cleaning swab to remove debris, d ust or crust that has built -up on the holders, gui des and media path surfaces. 1. Use the alcohol in the clea ning swab to so ak t he debris to break up the adhesive.
65 Maintenance Cleaning 8/15/201 1 GC420t™ User Guide P1039498-001 Sensor Cleaning Dust can accumula te on the media sensors. 1. Gently brush or blow dust away wit h a can of compressed ai r . Do not use an air compressor - oil (from the pump) and dirty water will contaminate the printer and printhead.
Maintenance Cleaning 66 P1039498-001 GC420t™ User Guide 8/15/201 1 Platen Cleaning and Replacement The standard platen (drive roll er) normally does not require cleaning.
67 Maintenance Cleaning 8/15/201 1 GC420t™ User Guide P1039498-001 3. Lift the pla ten out of the prin ter ’ s bottom frame. 4. Clean the pl aten with the a lcohol moist ened swab. Cl ean from the cent er out. Repeat this process until th e all of the ro ller surface has been cleaned.
Maintenance Cleaning 68 P1039498-001 GC420t™ User Guide 8/15/201 1 7. Align the plat en with the gear to the left and lower it int o the printer’ s bottom frame. 8. Rotate the pl aten bearing la tch release tabs d own on the right and left sides towa rds the rear of the printer a nd snap them int o place.
69 Maintenance Replacing the Printhead 8/15/201 1 GC420t™ User Guide P1039498-001 Replacing the Printhead If you need to replace the p rinthead, read the procedure and re view the removal and installation steps before actuall y replacing the printhead.
Maintenance Replacing the Printh ead 70 P1039498-001 GC420t™ User Guide 8/15/201 1 3. Use the spring to pry the printhead clip of f the right side of the carriage. . 4. Pull the printhead and bracket forward. . 5. Use a #2 Phillips driver to remove the screw t hat holds the ground wire.
71 Maintenance Replacing the Printhead 8/15/201 1 GC420t™ User Guide P1039498-001 6. Unplug both bun dles of printhead wires from their connect ors. Replacing the Print head The new print head comes with the clip and ground screw attached.
Maintenance Replacing the Printh ead 72 P1039498-001 GC420t™ User Guide 8/15/201 1 2. Attach the ground wire and secure it with the screw . Use a #2 Phillips driver to tighten it. 3. Slip the left end o f the printhe ad spring into the left side of th e ribbon carriage; th en slide the right e nd into the oth er side.
8/15/201 1 GC420t™ User Guide P1039498-001 6 Troubleshooting This section provides info rmation about printer error report ing that you might need for printe r troubleshootin g. Assorted diagno stic tests are included. Content s S tatus Light Descriptions .
S tatus Light Descriptions 74 P1039498-001 GC420t™ User Guide 8/15/201 1 S t atus Light Descriptions What the St atus Light is T elling Y ou LED St atus and Color Printer St atus For a Resolution, R.
75 S tatus Light Error Resolutions 8/15/201 1 GC420t™ User Guide P1039498-001 S t atus Light Error Resolutions The following Status Error Light Resoluti on numbers correspond to the Status Light Description tab le on the previous page. E ach error number may ha ve one or mo re resolution to correct that erro r listed.
S tatus Light Error Resolutions 76 P1039498-001 GC420t™ User Guide 8/15/201 1 5. The media is out. • Follow the instructions for Loading Rol l Media on page 1 1 in the Gettin g St arted section, and then press t he Feed button to resume printing .
77 Print Quality Problems 8/15/201 1 GC420t™ User Guide P1039498-001 Print Quality Problems No print on the label. • The media may not be direct t hermal media whic h is required when p rinting witho ut ribbon (i.e. thermal t ransfer). See the test procedure Dete rmining Th ermal Med ia T ype s on page 35 .
Print Quality Problems 78 P1039498-001 GC420t™ User Guide 8/15/201 1 There are long tracks of missing print (blank vertical lines) on several labels. • The printhead is dirty . Clean the printhead. • The printhead elem ents are damaged. The printing does not st art at the to p of the label or misprinting of one to three labels.
79 Print Quality Problems 8/15/201 1 GC420t™ User Guide P1039498-001 A EPL label format was sent to, bu t not recognized by , the printer . • Is the printer i n pause mode? If so, press the Feed button. • If the printer has la bel dispensing en abled, the printer ma y be waiting for the lab el to be removed.
Manual Calibration 80 P1039498-001 GC420t™ User Guide 8/15/201 1 Manual Calibration Manual calibrat ion is recommend e d whenever you are using pre-pr inte d media or if the printer will not correctly auto calibrate . 1. Make sure media i s loaded. 2.
81 T ro ubleshooting T ests 8/15/201 1 GC420t™ User Guide P1039498-001 T roubleshooting T est s Printing a Configuration Label T o print out a listing of the printer ’ s current configuratio n, refer to the on e-flash sequence in Feed Button Modes on page 84 in this section.
Resetting the Factory Default V alues 82 P1039498-001 GC420t™ User Guide 8/15/201 1 Resetting the Factory Default V alues Sometimes, resetting the printer to th e factory defaults may solve so me problems. Refe r to the four-flash sequence in Feed Button Modes on page 84 in this section.
83 Communications Diagnostics 8/15/201 1 GC420t™ User Guide P1039498-001 The following example of a communications DUMP mode prin ted out. The printout displays hexadecimal d ata 00h-FFh (0-255 d ecimal) with a unique character for ea ch hexadecimal value displayed above the h exadecimal data.
Feed Button Modes 84 P1039498-001 GC420t™ User Guide 8/15/201 1 Feed Button Modes Power Off Modes W ith the printer power off, pr ess and hold the Fee d button wh ile you turn on the power .
85 Feed Button Modes 8/15/201 1 GC420t™ User Guide P1039498-001 Power On Modes W ith the printer power on and top cove r closed, pres s and hold the Feed button for several seconds.
Feed Button Modes 86 P1039498-001 GC420t™ User Guide 8/15/201 1 Notes • ___________ _________ ___________ ____________ ___________ _____________ ___________ _________ ____________ ___________ ____.
8/15/201 1 GC420t™ User Guide P1039498-001 A Appendix: Interface Wiring This section provides printer interface con nection information. Content s Universal Serial Bus (USB) Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Universal Serial Bus (USB) Interface 88 P1039498-001 GC420t™ User Guide 8/15/201 1 Universal Serial Bus (USB) Interface The figure below displays the cable wirin g re quired to use the printer’ s USB interface. The printer requires cable or cable pac kagin g that bears the “ Certified USB™” mark to guarantee USB 2.
89 Parallel Interface 8/15/201 1 GC420t™ User Guide P1039498-001 Parallel Interface The printer ’ s parallel interface uses the IEEE 1284-A to 1284-B parallel interface cables. the host connector h as a DB-25 pin male connector . The printer conne ctor is a Centroni cs style connector .
Ethernet Interface 90 P1039498-001 GC420t™ User Guide 8/15/201 1 Ethernet Interface This interface requires a UTP RJ 45 Ethernet cable rated CA T -5 or better .
91 Serial Port Interface 8/15/201 1 GC420t™ User Guide P1039498-001 Serial Port Interface The maximum current avai lable through the serial and/or parallel port is not to exceed a total of 0.75 Amps. When XON/XOFF handshak ing is selected, da ta flow is contro lled by the ASCII control codes DC1 (XON) and DC3 (X OFF) .
Serial Port In terface 92 P1039498-001 GC420t™ User Guide 8/15/201 1 Notes • ___________ _________ ___________ ____________ ___________ _____________ ___________ _________ ____________ ___________.
8/15/201 1 GC420t™ User Guide P1039498-001 B Appendix: Dimensions This section p rovides exte rnal printe r dimensions. Content s External GC420t™ Printer Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 94 Optional: Label Dispenser .
External GC420t™ Printer Dimensio ns 94 P1039498-001 GC420t™ User Guide 8/15/201 1 External GC420t™ Printer Dimensions All dimensions are in inches.
95 External GC420t™ Printer Dimensions 8/15/201 1 GC420t™ User Guide P1039498-001 Optional: Label Dispenser Optional: Cutter.
External GC420t™ Printer Dimensio ns 96 P1039498-001 GC420t™ User Guide 8/15/201 1 Notes • ___________ _________ ___________ ____________ ___________ _____________ ___________ _________ ________.
8/15/201 1 GC420t™ User Guide P1039498-001 C Appendix: ZPL Configuration This section provides a basic overview of mana ging printer config uration, the Configuring Status Printout, and Pr inter Memory Printouts. Content s Managing the ZPL Printer Configuration .
Managing the ZPL Prin ter Configuration 98 P1039498-001 GC420t™ User Guide 8/15/201 1 Managing the ZPL Printer Configuration The ZPL printer is designed to allo w you to cha nge printer settings dynamically fo r fast first label out printing . Printer parameters that are p e rsistent, will be reta in ed for following formats to use.
99 ZPL Configuration St atus to Command C ross-reference 8/15/201 1 GC420t™ User Guide P1039498-001 ZPL Configuration S t atus to Command Cross-reference The Printer Configur ation Label, shown below , provides a listing of a majority of the configurations settings that ca n be set by ZPL comma nd.
ZPL Configuration S tatus to Comma nd Cross-reference 100 P1039498-001 GC420t™ User Guide 8/15/201 1 T able 2 • ZPL Commands a nd Configuration Receipt Callout Cross-Reference From this point in the Configurat ion Receipt l isting, the print out has sensor settin gs and values are displayed t o troublesho ot sensor and medi a operations.
101 ZPL Configuration St atus to Command C ross-reference 8/15/201 1 GC420t™ User Guide P1039498-001 The configuration set tings listed here resume after th e T AKE LABEL sensor value. These listings contai n printer features seldom chang ed from default or provid e status informati on (e.
Printer Memory Management and Related S tatus Reports 102 P1039498-001 GC420t™ User Guide 8/15/201 1 Printer Memory Management and Related S t atus Report s T o help yo u manage printer resources, t.
103 Printer Memory Management and Related S tatus Reports 8/15/201 1 GC420t™ User Guide P1039498-001 T able 4 • Object Management and St atus Report Commands Command Name Description ^WD Print Dir.
Printer Memory Management and Related S tatus Reports 104 P1039498-001 GC420t™ User Guide 8/15/201 1 Notes • ___________ _________ ___________ ____________ ___________ _____________ ___________ __.
Een belangrijk punt na aankoop van elk apparaat Zebra GC420t (of zelfs voordat je het koopt) is om de handleiding te lezen. Dit moeten wij doen vanwege een paar simpele redenen:
Als u nog geen Zebra GC420t heb gekocht dan nu is een goed moment om kennis te maken met de basisgegevens van het product. Eerst kijk dan naar de eerste pagina\'s van de handleiding, die je hierboven vindt. Je moet daar de belangrijkste technische gegevens Zebra GC420t vinden. Op dit manier kan je controleren of het apparaat aan jouw behoeften voldoet. Op de volgende pagina's van de handleiding Zebra GC420t leer je over alle kenmerken van het product en krijg je informatie over de werking. De informatie die je over Zebra GC420t krijgt, zal je zeker helpen om een besluit over de aankoop te nemen.
In een situatie waarin je al een beziter van Zebra GC420t bent, maar toch heb je de instructies niet gelezen, moet je het doen voor de hierboven beschreven redenen. Je zult dan weten of je goed de alle beschikbare functies heb gebruikt, en of je fouten heb gemaakt die het leven van de Zebra GC420t kunnen verkorten.
Maar de belangrijkste taak van de handleiding is om de gebruiker bij het oplossen van problemen te helpen met Zebra GC420t . Bijna altijd, zal je daar het vinden Troubleshooting met de meest voorkomende storingen en defecten #MANUAl# samen met de instructies over hun opplosinge. Zelfs als je zelf niet kan om het probleem op te lossen, zal de instructie je de weg wijzen naar verdere andere procedure, bijv. door contact met de klantenservice of het dichtstbijzijnde servicecentrum.
