Manuale d’uso / di manutenzione del prodotto GC420t del fabbricante Zebra Technologies
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User Guide Zebra ® GC420t™ Desktop Thermal Printer.
ii P1052686-001 GC420t™ User Guide 5/22/2012.
iii 5/22/2012 GC420t™ User Guide P1052686-001 ©2012 ZIH Corp. GC420, GC4 20t, ZBI, ZBI 2.0, ZBI-Develo per , Uni-Ribbon, ZebraDesigner , ZebraNet, EPL, EPL2, ZPL, ZPL II and all product names and n.
iv P1052686-001 GC420t™ User Guide 5/22/2012 FCC Compliance St atement This device compli es with Part 15 rules. Operati on is subject to the followin g two conditio ns: 1. This device may not cause harmful in terfer ence, and 2. This device must accept any interference recei ved, i ncluding interferenc e that may cause undesired operation.
5/22/2012 GC420t™ User Guide P1052686-001 About This Document This section provides yo u with contact informat ion, document structure and or ganization, an d additional re ference docu ments. Content s Who Should Use This Document . . . . . . . . .
Who Shoul d Use This Do cument vi P1052686-001 GC420t™ User Guide 5/22/2012 Who Should Use This Document This User Guide is intended for use by any pe rson who needs to op erate or to trou bleshoot problems with the printer.
vii Contacts 5/22/2012 GC420t™ User Guide P1052686-001 Cont act s T echnical Supp ort via the Internet is available 24 hours per day , 365 days per year . W eb Site: www .zebra.com E-mail Back T e chnical Library: E-mail address: emb@zebra.com Subject line: Ema illist Self Service Knowledge Base: www .
Document Conventions viii P1052686-001 GC420t™ User Guide 5/22/2012 Document Conventions The following co nventions are used throughout this do cument to convey certain information. Alternate Color (online only) C ross-references contain h o t links to ot her sections in this guide.
5/22/2012 GC420t™ User Guide P1052686-001 Contents About This Document . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . v Who Should Use This Document . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 P1052686-001 GC420t™ User Guide 5/22/2012 USB Interface Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23 Serial Communications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3 5/22/2012 GC420t™ User Guide P1052686-001 Sensor Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57 Platen Cleaning and Replacement . . . . . . . . . . . . . . . . . . . . . . . . . . .
4 P1052686-001 GC420t™ User Guide 5/22/2012 Notes • ___________ __________________ ____________________ __________________ ___________ __________________ _____________________ __________________ _.
5/22/2012 GC420t™ User Guide P1052686-001 1 Introduction This section describes what you get in your sh ipping box an d provides an overview of prin ter features. This includes procedur es that describe how to open and close the printer a n d report any problems.
GC420t™ Thermal Printe rs 2 P1052686-001 GC420t™ User Guide 5/22/2012 GC420t™ Thermal Printers The Zebra ® GC420t™ model is the best value in a desk top thermal printer . The GC420t™ printer pr ovides th ermal tran sfer and dir ect ther mal pri nting at speeds up to 4 ips (inches per second) at a 203 dpi (dots per in ch) print density .
3 What’s in the Box? 5/22/2012 GC420t™ User Guide P1052686-001 What’ s in the Box? Save the carton and all packing materials in case you need to ship or store the printer later .
What’s in the Box? 4 P1052686-001 GC420t™ User Guide 5/22/2012 Y o ur Printer Opening the p rinter T o access the media comp artment, you must open the p rinter . Pull the release la tches towards you and lift the cover . Check the media compartment for loose or damaged co mponents.
5 What’s in the Box? 5/22/2012 GC420t™ User Guide P1052686-001 Printer Features Sensor Peel Bar Platen Roller Printhead BlackLine Sensor Ribbon Motion Sensor Media Guides Head-Up Sensor (inside) P.
What’s in the Box? 6 P1052686-001 GC420t™ User Guide 5/22/2012 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 What’s in the Box? 5/22/2012 GC420t™ User Guide P1052686-001 Feed Button • T ap the Feed butt on once to force the printer to fee d one blank label. • Press the Feed button to take th e printer out of a “pause” condition. The printer is pu t into “pause” by either a pr ogramming command or an error condition.
What’s in the Box? 8 P1052686-001 GC420t™ User Guide 5/22/2012 Closing the printer 1. Hold the top cover and press t he “k ick-stand’ c over lock to release. Lower the top cover . The ribbon carriage automatically folds up into place. 2. Press down until the cover sn aps closed.
5/22/2012 GC420t™ User Guide P1052686-001 2 Getting Started This section describ es how to set up your printer for th e first time and use the most common operating procedu res for loading media. Contents Attaching Power . . . . . . . . . . . . . . .
Attaching Power 10 P1052686-001 GC420t™ User Guide 5/22/2012 Att aching Power 1. Make sure the p rinter ’ s power switch is in the off positi on (down). 2. Insert the AC po wer cord into the power supply . 3. Plug the other end of the cord into an appropriate AC electrical out let.
11 Loading Roll Media 5/22/2012 GC420t™ User Guide P1052686-001 Loading Roll Media When you load med ia, you must place the roll on to the media hangers. Y ou must use the correct media for the type of print ing you require. Prep aring Media Whether your roll media is inside or outside wo und, you load it into the prin ter the same way .
Loading Roll Medi a 12 P1052686-001 GC420t™ User Guide 5/22/2012 Placing the Roll in the Media Comp artment 1. Open the printer . Remember that you need to pull the release latch levers towa rd the front of the prin ter . 2. Open the media guides by turning the medi a gu ide adjustment knob towards the rear of the printer .
13 Loading Roll Media 5/22/2012 GC420t™ User Guide P1052686-001 3. Open the media rol l holders. Pull the media gui d es open with your fre e hand and place the media roll on the roll holders and relea se the guides. Orient the med ia roll so that its printing surface will face up as it passes over the platen (drive) roller .
Loading Roll Medi a 14 P1052686-001 GC420t™ User Guide 5/22/2012 4. Pull the media so th at it extends out of the front of th e printer . V erify the roll turns freely . The roll must not sit in the bottom of the media comp artment. V erify that the media’ s printing surface is facing up.
15 Loading Transfer Ribbon 5/22/2012 GC420t™ User Guide P1052686-001 Loading T ransfer Ribbon T ransfer ribbons come in severa l varieties and in some cases colors to match your applic ation needs. Genuine Zebra ® transfer ribbons are sp ecifically designed for your printer and Zebra brand media.
Loading Transfer Ribbon 16 P1052686-001 GC420t™ User Guide 5/22/2012 1. W ith the printer open, thread the ribbon thro ugh the ribbon carriage. P ress the righ t side onto the spring lo aded supply hub. Al ign the left side of th e ribbon core notches to the l eft supply (spi ndle) hub spok es.
17 Loading Transfer Ribbon 5/22/2012 GC420t™ User Guide P1052686-001 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 atta ching it to the core, so that it will be taken straig ht onto the core and alig n with the supply .
Loading Transfer Ribbon 18 P1052686-001 GC420t™ User Guide 5/22/2012 6. If printer powe r is on, press the Feed button to h ave the printer feed a minimum of 10 c m (4 inches) of media to remove sl ack and ribb on wrink le, and to ali gn the ribbon on the spindles.
19 Printing a T est (Printer Configuration) Label 5/22/2012 GC420t™ User Guide P1052686-001 Printing a T est (Printer Configuration) Label Before you connect the printer to your computer , make sure th at the printer is in proper working order . Y ou can do this by printi ng a configuration status label.
Pre-install Windows® Printer Drivers 20 P1052686-001 GC420t™ User Guide 5/22/2012 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 5/22/2012 GC420t™ User Guide P1052686-001 Universal Serial Bus (USB ) Device Communications The printer is a terminal device (not a host or hub) when using a USB interface. Y ou can refer to the USB Spec ification for d etails regard ing this in terface.
Connecting your Printer to a Computer 22 P1052686-001 GC420t™ User Guide 5/22/2012 Connecting your Printer to a Computer The Zebra ® GC420 printers suppor t a variety of interf ace options and config urations. Th ese include: Universal Serial Bus (USB) interface, RS232 Serial, and Parallel (IEEE 1284.
23 Connecting your Printer to a Computer 5/22/2012 GC420t™ User Guide P1052686-001 USB Interface Requirement s Universal Serial Bus (ve rsion 2.0 compliant) provid es a fast interface that is compatible wi th your existing PC hardware. USB’ s “plug and play” d esign makes installation easy .
Connecting your Printer to a Computer 24 P1052686-001 GC420t™ User Guide 5/22/2012 Serial Communications The printer has a DCE serial communication port for hardware co mpatibility with legacy 8 88 printers.
25 Connecting your Printer to a Computer 5/22/2012 GC420t™ User Guide P1052686-001 EPL Y Command Use the serial port setup ( Y ) co mmand to change the communication s settings on the printer . 1. W ith the host computer set at the same co mmunications settings as the printer , send the Y command to chan ge the prin ter to the desi red settings.
Connecting your Printer to a Computer 26 P1052686-001 GC420t™ User Guide 5/22/2012 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 After Y our Printer is Connected 5/22/2012 GC420t™ User Guide P1052686-001 Af ter Y our Printer is Connected Now that you have basic communication to y our printer , you may want to test printer communications and then install other printer rela ted applications, drivers or ut ilities.
After Y our Printer is Connected 28 P1052686-001 GC420t™ User Guide 5/22/2012 Notes • ___________ __________________ ____________________ __________________ ___________ __________________ ________.
5/22/2012 GC420t™ User Guide P1052686-001 3 Print Operations This section pro vides media an d print handling, font and language support, and the setu p of less common printer configurations. Content s Determining Printer Configuration . . . . . . .
Determining Printer Configuration 30 P1052686-001 GC420t™ User Guide 5/22/2012 Determining Printer Configuration The printer uses a ZPL printer config uration status label to report the pri nter ’ s config uration status for both EPL and ZPL op erations.
31 Modes of Printing 5/22/2012 GC420t™ User Guide P1052686-001 Modes of Printing Y ou can operate this printer in many di fferent modes and media configurations: • Direct thermal prin ting (which uses heat sensitive media to print). • Thermal transfer printing (whi ch u ses ribbon to he at transfer pr int to the med ia).
Print Media T ypes 32 P1052686-001 GC420t™ User Guide 5/22/2012 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 38.1 mm) in diameter .
33 Replacing Supplies 5/22/2012 GC420t™ User Guide P1052686-001 Determining Thermal Media T y pes Thermal transfer media requires ribbon for printing while direct thermal media does no t. T o determine if ri bbon must be used with a partic ular media, perform a media scratch test.
Adjusting the Print Width 34 P1052686-001 GC420t™ User Guide 5/22/2012 Replacing a Partially Used T ransfer Ribbon T o remove used transfer ribbon, pe rform the following steps. 1. Cut the ribbon from the take-up roll. 2. Remove the take-up roll an d discard used ribbon.
35 Media Sensing 5/22/2012 GC420t™ User Guide P1052686-001 Media Sensing The printer has au tomatic media sensing capabilit y . The printer is design ed to continuously check and adju st media length sensing for minor variations.
Ribbon Overview 36 P1052686-001 GC420t™ User Guide 5/22/2012 Ribbon Overview Ribbon is a t h in film that is co ated on one side with wax, resin, o r wax resin, which is transferred to the media d uring the therm al transfe r process. The media determi nes whether you need to use ribbon and how wide the ribb on must be.
37 Ribbon Overview 5/22/2012 GC420t™ User Guide P1052686-001 Ribbon T est with Adhesive If you have lab els available, p erform the adhesive test to determine wh ich side of a ribbon is coated. This method works well for ribbon that is already insta l led.
Printing on Fa n-Fold Media 38 P1052686-001 GC420t™ User Guide 5/22/2012 Printing on Fan-Fold Media Printing on fan-fol d media requires yo u to adjust the media guide’ s stop position. 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.
39 Printing on Fan-F old Media 5/22/2012 GC420t™ User Guide P1052686-001 3. W ith a sample 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 d ia guide and roll ho lders.
Printing with Externally Mo unted Roll Media 40 P1052686-001 GC420t™ User Guide 5/22/2012 Printing with Externally Mounted Roll Media The GC420 printer acc ommodates externally mounted roll media similar to the printer ’ s support of fan-fold media.
41 Fonts and Y our Printer 5/22/2012 GC420t™ User Guide P1052686-001 Font s and Y our Printer The GC420 printer supp orts your language an d fo nt requiremen ts with a variety of intern al 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 42 P1052686-001 GC420t™ User Guide 5/22/2012 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 recogn ize EPL and ZPL fonts.
43 S tand Alone Printing 5/22/2012 GC420t™ User Guide P1052686-001 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 44 P1052686-001 GC420t™ User Guide 5/22/2012 Sending Files to the Printer Graphics, font s and programming files can be sent to the printer from th e Microsoft Windows o.
5/22/2012 GC420t™ User Guide P1052686-001 4 Printer Options This section covers th e common printer opti ons and accessories with bri ef descriptions and how to get yo u started using or configuring yo ur printer option or accessory . Content s Label Dispenser Option .
Label Dispenser Option 46 P1052686-001 GC420t™ User Guide 5/22/2012 Label Dispenser Option The factory insta lled label dispen ser option allows yo u to print a la bel with bac king (liner/web) being re moved from the label as it prints, ready for application.
47 Label Dispenser Option 5/22/2012 GC420t™ User Guide P1052686-001 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 48 P1052686-001 GC420t™ User Guide 5/22/2012 4. Close the disp enser door . 5. Press the Feed button to advance the media. 6. During the print job, the print er will peel off the bac king and present a single labe l. T ake the label fro m the printer to allow the p r inter to print th e next label.
49 Zebra® KDU — Printer Accessory 5/22/2012 GC420t™ User Guide P1052686-001 Zebra ® KDU — Printer Accessory The Zebra ® KDU (keyboard display unit) is a small terminal unit that interfaces with the printer for accessing EPL la bel forms stored in the printer .
KDU Plus™ — Printer Accessory 50 P1052686-001 GC420t™ User Guide 5/22/2012 KDU Plus™ — Printer Accessory The KDU Plus™ is a te rminal device with memory for storing fil es and maintaining one or more remote print ers. The KDU Plus has a lar ger laptop style keyboard than the Zebra’ s original KDU desi gn.
51 ZBI 2.0™ — Zebra Basic Interpreter 5/22/2012 GC420t™ User Guide P1052686-001 ZBI 2.0™ — Zebra Basic Interpreter Customize and enhance your printer with ZBI 2.
ZBI 2.0™ — Zebra Basic Interpreter 52 P1052686-001 GC420t™ User Guide 5/22/2012 Notes • ___________ __________________ ____________________ __________________ ___________ __________________ __.
5/22/2012 GC420t™ User Guide P1052686-001 5 Maintenance This section provid es routine cl eaning and maintenance procedures. Content s Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Maintenance Cleaning 54 P1052686-001 GC420t™ User Guide 5/22/2012 Cleaning When you clea n the printer , use one of the follow ing supplies that best su its your needs: Y ou can obtain cleaning su pplies at www .zipzebra.com . The cleaning pro cess takes just a couple of minutes us ing the steps outlined below .
55 Maintenance Cleaning 5/22/2012 GC420t™ User Guide P1052686-001 Cleaning the Printh ead Always use a new cleaning pen on the printhead (an ol d pen carries contamin ants from its previous u ses that m ay damage the printhead). When you loa d new media, you can also c lean the printhead.
Maintenance Cleaning 56 P1052686-001 GC420t™ User Guide 5/22/2012 Media Path Considerations Use a cleaning swab to remove debris, d ust or crust that has built -up on the holders, gu ides and media path surfaces. 1. Use the alcohol in the clea ning swab to so ak t he debris to break up the adhesive.
57 Maintenance Cleaning 5/22/2012 GC420t™ User Guide P1052686-001 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 58 P1052686-001 GC420t™ User Guide 5/22/2012 Platen Cleaning and Replacement The standard platen (drive roll er) normally does not require cleaning.
59 Maintenance Cleaning 5/22/2012 GC420t™ User Guide P1052686-001 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. C lean from the center out. Rep eat this process until th e all of the roller surface has been cl eaned.
Maintenance Cleaning 60 P1052686-001 GC420t™ User Guide 5/22/2012 7. Align the plat en with the gea r to the left an d lower it into the p r inter ’ s bottom fra me. 8. Rotate the pl aten bearing latch release tab s down on the right and left side s towards the rear of the printer a nd snap them into place.
61 Maintenance Replacing the Printhead 5/22/2012 GC420t™ User Guide P1052686-001 Replacing the Printhead If you need to replace the printhead, read the procedure and re view the removal and installation steps before actually replaci ng the printhead.
Maintenance Replacing the Printh ead 62 P1052686-001 GC420t™ User Guide 5/22/2012 3. Use the spring to pry the printhead clip of f the right si de 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.
63 Maintenance Replacing the Printhead 5/22/2012 GC420t™ User Guide P1052686-001 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 64 P1052686-001 GC420t™ User Guide 5/22/2012 2. Attach the ground wire and secure it with the screw . Use a #2 Phil lips driver to tighten it. 3. Slip the left end o f the printhead spring into the left side of the ribbon carriag e; then slide the right e nd into the other side.
5/22/2012 GC420t™ User Guide P1052686-001 6 Troubleshooting This section provides info rmation about printer error reporting that you might need for printer troubleshootin g. Assorted diagno stic tests are included. Content s S tatus Light Descriptions .
S tatus Light Descriptions 66 P1052686-001 GC420t™ User Guide 5/22/2012 S tatus Light Descriptions What the St atus Light is T elling Y ou LED St atus and Color Printer St atu s For a Resolution, Re.
67 S tatus Light Error Resolutions 5/22/2012 GC420t™ User Guide P1052686-001 S tatus Light Error Resolutions The following Status Error Light Resoluti on numbers correspond to the Status Light Description tab le on the previous page. Each error number ma y have one or more reso lution to correct that erro r listed.
S tatus Light Error Resolutions 68 P1052686-001 GC420t™ User Guide 5/22/2012 5. The media is out. • Follow the instructions for Loading Rol l Media on page 1 1 in the Getting S tarted section, and then press t he Feed button to resume printi ng. The ribbon is out.
69 Print Quality Problems 5/22/2012 GC420t™ User Guide P1052686-001 Print Quality Problems No print on the label. • The media may not be direct thermal media wh ich is required when printing without ribbon (i.e. thermal t ransfer). See the test procedure Determining Ther mal Media T ypes on page 33 .
Print Quality Problems 70 P1052686-001 GC420t™ User Guide 5/22/2012 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.
71 Print Quality Problems 5/22/2012 GC420t™ User Guide P1052686-001 A EPL label format was sent to, bu t not recognized by , the printer . • Is the printer i n pause mode? If so, pre s s the Feed button. • If the printer has la bel dispensing enabled, the prin ter may be waiting for the label to be removed.
Manual Calibration 72 P1052686-001 GC420t™ User Guide 5/22/2012 Manual Calibration Manual calibrat ion is recommende d whenever you are using pre-pr i nted media or if the printer will not correctly auto calibrate. 1. Make sure media i s loaded. 2. T urn on the pr inter power .
73 T ro ubleshooting T ests 5/22/2012 GC420t™ User Guide P1052686-001 T roubleshooting T est s Printing a Configuration Label T o print out a listi ng of the printer ’ s current configuration, refer to the one-flash sequence in Feed Button Modes on page 76 in this section.
Resetting the Factory Default V alues 74 P1052686-001 GC420t™ User Guide 5/22/2012 Resetting the Factory Default V alues Sometimes, resetting the printer to the factor y defaults may so lve some problems. Refer to t he four-flash sequence in Feed Button Modes on page 76 in this section.
75 Communications Diagnostics 5/22/2012 GC420t™ User Guide P1052686-001 The following example of a commun ications DUMP mode printed o ut. The printout displays hexadecimal d ata 00h-FFh (0-255 decimal) with a unique character for each hexa decimal value displayed above the h exadecimal data.
Feed Button Modes 76 P1052686-001 GC420t™ User Guide 5/22/2012 Feed Button Modes Power Off Modes W ith the printer power off, pr ess an d hold the Fee d button wh ile you turn on the power .
77 Feed Button Modes 5/22/2012 GC420t™ User Guide P1052686-001 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 78 P1052686-001 GC420t™ User Guide 5/22/2012 Notes • ___________ __________________ ____________________ __________________ ___________ __________________ _____________________ _.
5/22/2012 GC420t™ User Guide P1052686-001 A Appendix: Interface Wiring This section provides printer interface connection informati on. Content s Universal Serial Bus (USB) Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Universal Serial Bus (USB) Interface 80 P1052686-001 GC420t™ User Guide 5/22/2012 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 k agin g that bears the “ Certified USB™” mark to guarantee USB 2.
81 Parallel Interface 5/22/2012 GC420t™ User Guide P1052686-001 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 conne ctor . The printer connecto r is a Centronics sty le connector .
Serial Port In terface 82 P1052686-001 GC420t™ User Guide 5/22/2012 Serial Port Interface The maximum current avai lable through the serial and/o r parallel port is not to exceed a total of 0.75 Amps. When XON/XOFF handshak ing is selected, data flow is controlled by th e ASCII control codes DC1 (XON) and DC3 (X OFF) .
5/22/2012 GC420t™ User Guide P1052686-001 B Appendix: Dimensions This section p rovides exte rnal printe r dimensio ns. Content s External GC420t™ Printer Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 84 Optional: Label Dispenser .
External GC420t™ Printer Dimensio ns 84 P1052686-001 GC420t™ User Guide 5/22/2012 External GC420t™ Printer Dimensions All dimensions are in inches.
85 External GC420t™ Printer Dimensions 5/22/2012 GC420t™ User Guide P1052686-001 Optional: Label Dispenser.
External GC420t™ Printer Dimensio ns 86 P1052686-001 GC420t™ User Guide 5/22/2012 Notes • ___________ __________________ ____________________ __________________ ___________ __________________ __.
5/22/2012 GC420t™ User Guide P1052686-001 C Appendix: ZPL Configuration This section provides a basic overview of mana ging printer conf iguration, the Configuring Status Printout, and Pr inter Memory Printouts. Content s Managing the ZPL Printer Configuration .
Managing the ZPL Prin ter Configuration 88 P1052686-001 GC420t™ User Guide 5/22/2012 Managing the ZPL Printer Configuration The ZPL printer is designed to allo w you to change printer set tings dynamically for fast first label out printing . Printer parameters that are pe rsistent, will be retai n ed for following formats to use.
89 ZPL Configuration St atus to Command Cros s-reference 5/22/2012 GC420t™ User Guide P1052686-001 ZPL Configuration S tatus to Command Cross-reference The Printer Configur ation Label, shown below , provides a listing of a maj ority of the configurations settings that can be set by ZPL command.
ZPL Configuration S tatus to Command Cross-reference 90 P1052686-001 GC420t™ User Guide 5/22/2012 T able 2 • ZPL Commands a nd Configuration Receipt Callout Cross-Reference From this point in the Configurat ion Receipt listing, the p r intout has senso r settings and values are displayed t o troubleshoot sensor and media operations.
91 ZPL Configuration St atus to Command Cros s-reference 5/22/2012 GC420t™ User Guide P1052686-001 The configuration set tings listed here resume afte r the T AKE LABEL sensor value. These listings contai n printer features seldom chang ed from default or prov ide status infor mation (e.
Printer Memory Management and Related S tatus Reports 92 P1052686-001 GC420t™ User Guide 5/22/2012 Printer Memory Management and Related S tatus Report s T o help you manage printer reso urces, the .
93 Printer Memory Management and Related S tatus Reports 5/22/2012 GC420t™ User Guide P1052686-001 T able 4 • Object Management and S tatus Report Commands Command Name Description ^WD Print Direc.
Printer Memory Management and Related S tatus Reports 94 P1052686-001 GC420t™ User Guide 5/22/2012 Notes • ___________ __________________ ____________________ __________________ ___________ ______.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il Zebra Technologies GC420t è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del Zebra Technologies GC420t - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso Zebra Technologies GC420t imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul Zebra Technologies GC420t ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il Zebra Technologies GC420t, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del Zebra Technologies GC420t.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il Zebra Technologies GC420t. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo Zebra Technologies GC420t insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
