Intermec EasyCoder 7421 Accessories
Contents
1. IE 9 Center the labels in the printer path and adjust the label guides so that they just touch the edges of the label liner 7421U 014 V V 7421U 015 1 12 10 Pull the labels through the printer until at least two full labels 11 approximately 6 inches or 15 cm are sticking out the front of the printer Peel the first two labels from the label liner Insert the label liner between the front of the printer and the peel off bar until the liner appears out the bottom slot Peel off bar 7421U 016 1 13 12 Pull the label liner out of the bottom slot until the liner is tight across the peel off bar 7421U 017 1 14 13 Lower the printhead assembly and lock it into the operating position by pressing down firmly on both sides of the printhead Lower the printer cover 7421U 010 14 Activate the label taken sensor by pressing in on the top of the sensor The printer is now ready for printing Label taken sensor 7421U 018 1 15 Loading Fanfold Media In fanfold printing you place a stack of fanfold media at the rear of the printer and feed it into the printer through a slot in the rear cover To load media for fanfold printing 1 Open the top cover and remove the spindle from the printer Save the spindle for use with roll medi2. 90 9 92 93 94 95 F6 97 8 99 9A 9B 9C 9D 9E F ali Ni ajo ui IKI A0 Al A2 A3 A4 A5 A6 A7 8 A9 AA AB AC AD AE AF LILA J O aliala Y la BO B1 B2 B3 B4 B5 B6 B7 B8 B9 BA BB BC BD BE BF L T k er st se ar Co C1 C2 C3 C4 C5 C6 C7 C8 C9 CA CB CC CD CE CF TR u D EEE L I d r E m DO D1 D2 D3 D4 D5 D6 D7 D8 D9 DA DB DC DD DE DF OBO0 6 Ou b p UU U y Y E0 E1 E2 E3 E4 E5 E6 7 E8 E9 EA EB C ED EE EF l 4 17 8 fe ole 113 2 Wm Fo Fi F2 F3 F4 F5 F6 F7 F8 F9 FA FB FC FD FE FF 7421U 042 Extended Character Sets Each internal font in the 7421 has a different character set associated with it as shown in the following tables The hex codes accompany each character Characters in Fonts co 7x 9 Standard cl 7x 11 0CR c2 10 x 14 Standard c7 5x7 Standard n T a NN Fr In l 2 85 gt Er 8 B A B on a i Fs Fr o tn a 19 11 12 13 76 8 2 ER 1B 1C 1D 1E BH PEET EELEE 20 25 B 4 5 30 1 5 B ns AAA AE Suti 49 41 42 43 44 45 46 47 48 49 4A 4B 4C 4D 4E 4F 51 52 53 55 57 5D ARIE ARARE HONA 64 67 6D 6E me La lek Ie EMO 73 7421U 044 C 7 Characters in Fonts c20 8 point c21 12 point c22 20 point c25 c26 c28 outline fonts c30 c41 monospace fonts PARANA SANAK 19 14 Jas 16 17 18 19 AUR lee Oe cee 25 29
3. Use Data Line Print mode to troubleshoot communications between the printer and the host and to test the operation of the printer When the printer is in Data Line Print mode it prints out all downloaded data with the hexadecimal equivalent directly underneath it To enter Data Line Print mode 1 Turn the On Off switch to the off position 2 Press down and hold the Feed Pause button while turning on the printer The hardware configuration test label prints out and the firmware program and version number are sent to the host You are now in Data Line Print mode 3 Send a few characters down from the host The printer prints out your data with the hexadecimal equivalent directly underneath it 4 Hold the Feed Pause button down to momentarily suspend the test The printer prints a software configuration test label 5 If you press the Feed Pause button again the pitch label prints To exit Data Line Print mode 1 Turn the printer power off 2 Turn the printer power back on Preventing Data Loss Several problems can cause data loss or communications problems on the printer Data loss can result in printing errors or missing field data Hardware handshaking involves the use of a hardware wire Software handshaking involves a two way datalink between the devices The two devices communicate with each other without losing data through the use of handshaking The printer sends both forms of handshaking simultaneousl
4. EasyCoder 7421 Printer Intermec Intermec Technologies Corporation 6001 36th Avenue West P O Box 4280 Everett WA 98203 9280 U S technical and service support 1 800 755 5505 U S media supplies ordering information 1 800 227 9947 Canadian technical and service support 1 800 687 7043 Canadian media supplies ordering information 1 800 267 6936 Outside U S and Canada Contact your local Intermec service supplier The information contained herein is proprietary and is provided solely for the purpose of allowing customers to operate and or service Intermec manufactured equipment and is not to be released reproduced or used for any other purpose without written permission of Intermec Information and specifications in this manual are subject to change without notice 1998 by Intermec Technologies Corporation All Rights Reserved The word Intermec the Intermec logo JANUS IRL TRAKKER Antares Adara Duratherm EZBuilder EasyCoder Precision Print PrintSet Virtual Wedge and CrossBar are trademarks of Intermec Corporation Throughout this manual trademarked names may be used Rather than put a trademark or symbol in every occurrence of a trademarked name we state that we are using the names only in an editorial fashion and to the benefit of the trademark owner with no intention of infringement The software contained in the 7421 Printer and the accompanying materials are copyrighted Unautho
5. 2 12 0 operating the printer 1 5 operation printer problems 4 options battery pack A 5 cutter A 5 memory expansion A 5 printer A 5 orange light media or system faults 1 5 over temperature condition 1 5 P parallel interface communications B 3 PDF417 A 6 peel off bar cleaning 3 8 printing 1 7 POSTNET A 6 Power light understanding 1 5 power supply electrical requirements A 3 preventing data loss 4 7 print darkness adjusting with PrintSet 2 8 print quality problems 4 5 printer character sets A 3 cleaning 3 3 cleaning tools 3 5 commands using to communicate 2 10 communication problems 4 6 communications 2 10 A 3 components back view 1 4 front view 1 3 configuring 2 3 cover cleaning 3 7 dimensions A 3 electrical requirements A 3 features 1 3 fonts and graphics A 4 maintenance 3 3 memory specifications A 4 operation 1 5 problems 4 4 testing 4 6 troubleshooting 4 6 printer continued options A 5 battery pack A 5 cutter A 5 memory expansion A 5 printhead specifications A 4 printing speed A 5 ribbon specifications A 5 specifications A 3 printhead cleaning 3 6 loading modes using 2 12 specifications printer A 4 printing peel off 1 7 test label 2 11 printing speed A 5 PrintSet using to adjust the print darkness 2 8 using to change the media sensitivity number 2 4 using to communicate with the printer 2 10 using to select p
6. 2a 28 2c 2E HARRA SERDAR HARA BEDEFGHIJKLN 44 45 46 47 48 49 aA 4B ac 4D aE Pa S TU Yu X Y ZE S 3 aF Jkilimno BARBRA nc Brae Ss tjulviwx Y z 3 1 5 FW BRATEN RAR seka E lata A4 A5 as az as Jas AA AB AC AD AE ARMAR a EAT EIER ER EEE Ella cla 7421U 047 Note You cannot print these characters as 4 x 4 inch graphics because there is white space surrounding the characters that prevents the image from reaching the maximum graphic size C 8 Characters in Font 623 OCRA m N o m w w B2 w m N O m m m m m m 28 l 22 ll AH ii N 29 21 22 2E 39 31 32 3E 49 41 42 4E 59 51 52 5E 69 61 62 6E 79 71 72 7E AAR Ela el me D1 D2 DE EHA El Q N in m 7421U 047 OCR B Size 2 c24 Characters in Font 7421U 049 C 10 Index A adjustments darkness adjust control 2 8 label gap sensor 2 9 Advanced mode international character sets C 3 B bar code symbologies Codabar A 6 Code 11 A 6 Code 128 A 6 Code 16K A 6 Code 2 of 5 A 6 Code 39 A 6 Code 49 A 6 Code 93 A 6 Code One A 6 Data Matrix A 6 EAN A 6 HIBC A 6 Interleaved 2 of 5 A 6 Maxicode A 6 PDF417 A 6 POSTNET A 6 supported A 6 UPC A 6 battery pack option A 5 boundaries communication B 8 C cable RS 232 serial schematics B 10 character sets Advanced mode C 3 Code Page 850 C 6 Emulation mode C 4 extended C 7 IBM t
7. A 3 Fonts and Graphics The printer contains 21 resident bitmap fonts and three outline fonts You can use font ID 3 through 6 and 8 through 19 to download user defined fonts See Appendix C Character Sets for complete tables of all available fonts and their character sets Media Specifications Roll Label Length Web Width Thickness Roll Inner Diameter Roll Outer Diameter Memory Base Optional Printhead Printed dot size Width Resolution Number of elements X dimensions Printing Method 1 800 inches 46 m 0 38 inch 10 mm to 8 0 inches 203mm 1 12 inches minimum 28 mm 4 65 inches maximum 118 mm 0 0059 inch minimum 0 15 mm 0 010 inch maximum 0 25 mm 1 0 inch 25 mm 5 inches maximum 127 mm 512K of DRAM 1 or 4MB flash RAM modules 0 005 inch square 0 13 mm 4 1 inches maximum 104 mm 203 dots per inch 8 dots per mm 832 per printhead 10 mil to 50 mil 0 25 mm to 1 27 mm 5 mil 0 13 mm in drag printing specified media only The 7421 printer is capable of direct thermal DT printing or optional thermal transfer TTR printing using thermal transfer ribbon A 4 Printing Speed 2 inches per second 50 8 mm per second Ribbon Specifications Roll 3 582 linear inches 91 m Widths 1 33 inches 34 mm 2 5 inches 64 mm 3 29 inches 84 mm 4 33 inches 110 mm Diameter 1 39 inches maximum 35 mm Printer Options This section contains a list o
8. CTS Request to Send RTS Printer Status Operation Input Connect to transmit data pin of connected device Output Connect to receive data pin of connected device Output When you use a modem connect to modem DTR pin When using Intermec Standard Protocol this pin indicates that the printer is switched on When using XON XOFF or hardware flow control this pin indicates the printer mechanical status and the status of the printer input buffer To enable communications connect to signal ground of connected device Completes circuit for all RS 232 signals Input When you use a modem connect to modem CTS pin The modem must set CTS true before the printer transmits data If not connected CTS sets itself true Output When you use a modem connect to modem RTS pin The modem sets RTS to true before transmission The printer sets RTS to false after transmission Output When not using software flow control XON XOFF connect to input of connected device for example CTS Indicates printer mechanical status and status of printer input buffer B 9 RS 232 Cable for 9 pin to 9 pin Part No 590123 DB9 SOCKET DB9 PLUG 5V Transmit Data Receive Data AUX Ground Data Terminal Ready Clear to Send Request to Send Inactive Receive Data Transmit Data Data Terminal Ready Ground Data Set Ready Request to Send Clear to Send Ring Indicator J O5 O1 D cO Y O O1
9. Wh AT PRINTER 7421U 39 RS 232 Null Modem Cable for PC for 25 pin to 9 pin DB25 SOCKET DB9 PLUG 5V Transmit Data Receive Data AUX Ground Data Terminal Ready Clear to Send Request to Send Inactive Receive Data Transmit Data Data Terminal Ready Ground Data Set Ready Request to Send Clear to Send 1 2 3 4 5 6 7 8 9 HOST PRINTER 7421U 040 B 10 Character Sets This chapter contains tables for the character sets that the 7421 supports To select a character set use PrintSet your third party software application or the IPL command set International Character Sets The following tables show which hex codes to download for international characters not available in the U S character set To use the tables find the hex code for the U S character that corresponds with the character in your language Advanced Character Table If you are running your printer in Advanced mode you are not using 86XX Emulation use this table to find the right hex codes for the international character sets 23 24 40 5E 5C 5D 5E 60 7E 7C 7D 7E DEONNHERDEDE BRI DDD DDD CODA somos T sT f a o T o Sweden Finland ef alolAlulelalel ala Spain Errar anta le Switzerland fe sfaleofelefefalafofale Italy fel sis o s e sfalalel ela Code Page 850 Ls lela ala lalala C 3 86XX Character Table This table shows the hex codes for the character sets that print if your printer is runn
10. and data can be damaged if you do not follow the safety warnings and cautions Do not repair or adjust alone Do not repair or adjust energized equipment alone under any circumstances Someone capable of providing first aid must always be present for your safety First aid Always obtain first aid or medical attention immediately after an injury Never neglect an injury no matter how slight it seems Resuscitation Begin resuscitation immediately if someone is injured and stops breathing Any delay could result in death To work on or near high voltage you should be familiar with approved industrial first aid methods Energized equipment Never work on energized equipment unless authorized by a responsible authority Energized electrical equipment is dangerous Electrical shock from energized equipment can cause death If you must perform authorized emergency work on energized equipment be sure that you comply strictly with approved safety regulations vii Warnings Cautions and Notes The warnings cautions and notes in this manual use these formats WARNING CAUTION Warning A warning warns you of an operating procedure practice condition or statement that must be strictly observed to avoid death or serious injury to the persons working on the equipment Avertissement Un avertissement vous alerte d une proc dure de fonctionnement d une m thode d un tat ou d un rapport qui doit tre strictement respect po
11. hardware configuration label Powered on for the first time Print the software configuration label Print the pitch label What to Do Press and release the Feed Pause button Press and hold the Feed Pause button When you release the button the media stops feeding Press the Feed Pause button twice Press the button again to bring the printer online Press and release the Feed Pause button Press and release the button again to resume printing Press and hold the Feed Pause button until the printer stops printing Press and hold the Feed Pause button while you turn on the printer Press the Feed Pause button after the hardware configuration label stops printing Press the Feed Pause button after the software configuration label stops printing Loading Media Into the Printer In addition to loading roll media in the printer you can Use the peel off option e Load fanfold media You can load media with the printer power turned on or off The following procedures for loading media assume that you have turned on the printer Refer to the EasyCoder 7421 Printer Setup Guide for instructions on loading rolls of media Using the Peel Off Option Use the peel off option in printing applications where you want to apply labels to a surface immediately After printing a label the printer presents the label with the backing removed Note You should find a small label with a three digit sensiti
12. label Note Intermec does not recommend using Inverse Printing mode for printing multiple labels The printhead is not covered under warranty if you use Inverse Printing mode for printing multiple labels 2 12 To select Inverse or Mirror Printing mode 1 Start the PrintSet application software 2 Click the Paper Handling button 3 Select either the Enable Inverse Printing or the Enable Mirror Printing check box Paper Handling Eg rP Handli ena Top of Form Trailer Margin C Tear off Self strip Rest Adjustment C Cut H Custom Ad H ae Backward 0 00 in Forward IV Enable Label Retract Enable Mirror Printing Enable Inverse Printing Cancel Help 4 Click OK 5 Download your change to the printer by pressing the button to send command updates to the attached printer 2 13 Maintaining the Printer This chapter contains cleaning procedures and a schedule detailing how often to perform maintenance procedures You must clean the 7421 printer on a regular basis to keep it running at its highest performance level It is very important to perform the maintenance procedures if you expose the printer to dirt or debris Maintenance Schedule Clean your printer regularly to maintain the print quality of your labels and extend the life of your printer This table contains suggestions for cleaning the printer Use the following illustration to locate the parts you need to clean P
13. operating position by pressing down firmly on both sides of the printhead 8 If you are finished cleaning close the printer cover Cleaning the Printer Covers Use a general purpose cleaner soapy water mild detergent to clean the printer cover Do not use abrasive cleansers or solvents and make sure that the cleaning solution does not get inside of the printer Be sure to clean the transparent panel on the printer cover so that the media supply inside the printer is visible when you close the cover 3 7 Cleaning the Drive Roller and Peel 0ff Bar Cleaning the drive roller and peel off bar preserves print quality by maintaining close contact between the media and the printhead To clean the drive roller and peel off bar 1 2 3 Turn the printer power off and remove the power cord Open the printer cover Open the printhead assembly by pulling the yellow release lever on the left side of the printer toward the front of the printer Lift the printhead up into the full open position Remove the media and ribbon if necessary 5 Clean the drive roller by using a cloth dampened with 3 8 isopropyl alcohol Move the cloth over the drive roller in a side to side motion as shown Clean both sides of the peel off bar with a cloth dampened with isopropyl alcohol Remove all traces of dust paper and adhesive Replace the media and ribbon Lower the printhead assembly and lock it into the operating position by
14. to determine the sensitivity number The media sensitivity number on each roll of thermal transfer media or ribbon has an asterisk in place of one of the digits On thermal transfer media the number contains the first and second digits with an asterisk in place of the third digit One the thermal transfer ribbon the number contains the first and third digits with an asterisk in place of the second digit To optimize the sensitivity number for thermal transfer media you combine the digits like this Media or Ribbon Thermal transfer media Thermal transfer ribbon Sensitivity Number 56 57 Description The asterisk reserves the third digit to identify the ribbon s sensitivity number The asterisk reserves the second digit to identify the media s sensitivity number Optimal media sensitivity number Setting the MSN for Other Media and Ribbon If you are not using Intermec media and ribbon or if you misplaced your packaging with the three digit sensitivity number label on it you can set an approximate sensitivity number The first column of the Direct Thermal and Thermal Transfer Media Sensitivity Settings tables list the approximate sensitivity settings To achieve acceptable print quality enter the three digit media sensitivity number for example 600 If you are unsure of how to set the media sensitivity number start with the highest setting which provides the lowest energy 600 for thermal transf
15. 7 F factory defaults resetting 4 8 fanfold media loading 1 16 features printer 1 3 Feed Pause button 1 6 functions of 1 6 using 1 6 font extended character sets C 7 tables extended character sets C 7 fonts described A 4 printer A 4 G gap sensor label 2 9 graphics defined A 4 printer A 4 H hardware protocol B 6 HIBC A 6 host requirements communications B 3 I IBM translation character table C 5 interfaces communications B 8 RS 232 serial B 8 Interleaved 2 of 5 A 6 Intermec Standard protocol B 4 international character sets C 3 Inverse Printing mode 2 12 selecting with PrintSet 2 13 L label gap sensor adjusting 2 9 printing a test 2 11 sensors cleaning 3 10 languages international character sets C 3 light Power 1 5 loading fanfold media 1 16 media with the peel off option 1 7 modes printhead 2 12 M maintaining the printer 3 3 maintenance schedule 3 3 tools 3 5 Maxicode A 6 media faults 1 5 loading fanfold 1 16 loading for peel off printing 1 7 media sensitivity number changing with PrintSet 2 4 description of 2 3 finding 2 3 optimizing with Intermec media and ribbon 2 5 setting for other media and ribbon 2 6 settings table direct thermal media 2 6 2 7 memory card inserting 1 20 expansion option A 5 specifications printer A 4 Mirror Printing mode 2 12 selecting with PrintSet 2 13 modes printhead loading
16. a 2 Open the printhead assembly by pulling the yellow release lever on the left side of the printer toward the front of the printer 7421U 019 1 16 3 Lift the printhead up into the full open position 7421U 020 4 Adjust the guide tabs to their widest position by winding the yellow adjustment roller toward the front of the printer 7421U 022 1 17 5 Place the fanfold media slightly lower than the slot in the printer back cover and insert the media through the slot into the printer mechanism and out the front of the printer Note It is easier to insert the media through the printer mechanism if you cut the corners off the end of the first label of the media Note how the corners of the media have been cut in the illustration below 7421U 023 1 18 6 Center the labels in the printer path and adjust the label guides so that they just touch the edges of the label liner Wind the yellow adjustment roller toward the rear of the printer 7421U 015 7 Lower the printhead assembly and lock it into the operating position by pressing down firmly on both sides of the printhead Lower the printer cover 1 19 Inserting the Optional Memory Card Use the optional memory card to store label formats fonts and graphics in permanent memory To order a memory card contact your Intermec representative To insert the opti
17. aning the Drive Roller and Peel Off Bar 3 8 Cleaning the Label Sensors 3 10 Troubleshooting Troubleshooting Checklist 4 3 Printer Operation Problems 4 4 Print Quality Problems 4 5 Communication Problems 4 6 Using Data Line Print Mode 4 6 Preventing Data Loss 4 7 Resetting the Printer to Factory Defaults 4 8 Printer Specifications Printer Specifications A 3 Printer Options A 5 Bar Code Symbologies Supported A 6 Communications Reference About Communications B 3 Serial Communication Protocols B 3 RS 232 Serial Interface B 8 Character Sets International Character Sets C 3 Extended Character Sets C 7 Index Before You Begin This section introduces you to standard warranty provisions safety precautions warnings and cautions terms and sources of additional product information A documentation roadmap is also provided to help you find information Warranty Information To receive a copy of the standard warranty provision for this product contact your local Intermec sales organization In the U S call 1 800 755 5505 and in Canada call 1 800 688 7043 Otherwise refer to the Worldwide Sales amp Service list that was shipped with this manual for the address and telephone number of your Intermec sales organization Safety Summary Your safety is extremely important Read and follow all warnings and cautions in this book before handling and operating Intermec equipment You can be seriously injured and equipment
18. communications e A serial port or a parallel port must be available on the host if you are connecting directly to the printer The host must support the RS 232 or data communications interface For information on configuring the host computer port concentrator or network controller see the reference manual for the controlling device Serial Communication Protocols Communication protocols are important because they determine the transmission standards for communications between the printer and the host The printer and the host must use the same protocol and parameters to communicate properly The printer supports the flow control and block transfer protocols described in the next sections All of these protocols are point to point Application programs and or ROM BIOS determine which protocols your computer can support For more detailed information refer to the Intermec Data Communications Reference Manual Part No 044737 Intermec Printer Standard Protocol Intermec Printer Standard Protocol is a half duplex protocol All data transmission to the printer consists of status enquiry ENQ status dump VT or message blocks Each message block starts with the Start of Text STX characters and ends with the End of Text ETX characters Each message block must be 255 characters or less including the STX and ETX characters B 3 The printer returns its highest priority status when it receives a valid block lt STX gt da
19. d correctly Printhead is dirty Poor quality label or ribbon stock Ribbon wrinkling Solution Clean the printhead For help see Cleaning the Printhead in Chapter 3 Use only Intermec label and ribbon stock to ensure superior print quality and product performance Change sensitivity setting to match the type of media you are using If you set the sensitivity setting correctly try changing the dark adjust For help see your PrintSet online help or the IPL Programming Reference Manual Adjust the label rest point For help see your PrintSet online help or the IPL Programming Reference Manual Clean the printhead For help see Cleaning the Printhead in Chapter 3 Use only Intermec label and ribbon stock to ensure superior print quality and product performance Check to make sure that you installed the ribbon correctly For help see Loading Thermal Transfer Media and Ribbon in the Printer Setup Guide Communication Problems If your printer is not receiving downloaded data try the solutions in this table Symptom Possible Causes Solution Printer does not Incorrect Use PrintSet to make sure communicate communications that you have the correct with the host parameters communications parameters set such as baud rate Damaged or incorrect Check the connections at I O cable both ends or replace the cable See Appendix B for cable information Using Data Line Print Mode
20. d the media Media loaded incorrectly Solution Make sure you have plugged the power cable into both the printer and a power source Replace the cable if damaged Let the printer cool down It will resume printing on its own Try reloading the media For help see Loading Media in the Printer Setup Guide Possible problem with the label gap sensor Adjust the label sensor For help see Adjusting the Label Gap Sensor in Chapter 2 Remove any jammed labels from the printer and clean the printhead For help see Cleaning the Printhead in Chapter 3 Make sure the printhead is down Cycle printer power and press the Feed Pause button to resume printing Try reloading the media For help see Loading Media in the Printer Setup Guide If you are using direct thermal media make sure the roll is loaded with the thermal side facing up If you are using thermal transfer media you must use a thermal transfer ribbon Print Quality Problems If your labels are not being printed properly check the following table to locate the symptom and correct the problem Symptom Blotches printing on labels Printing is too light or too dark Labels are not stopping at the right point for removal Print quality is poor Possible Causes Dirty printhead Poor quality label or ribbon stock Incorrect media sensitivity setting You have not set the label rest point comman
21. e additional information about printing labels with your bar code printer Intermec Part Manual Number EasyCoder 7421 Printer Setup Guide 066387 IPL Programming Reference Manual 066396 9161B Installation Manual 049572 9180 Network Controller User s Manual 054292 Data Communications Reference Manual 044737 RF System User s Manual 053574 The Bar Code Book 051241 Operating the Printer This chapter introduces the 7421 printer and explains features and options that are not covered in the EasyCoder 7421 Printer Setup Guide Getting to Know Your Printer Features of your printer include e Support for either direct thermal or thermal transfer printing applications e High resolution 203 dots per inch dpi printhead e Ability to store downloaded formats fonts or graphics in removable memory cartridges e Aneasy to use software application called PrintSet PrintSet makes configuring your printer and printing a test label effortless See the PrintSet online help for more information on how to use the application Use the following illustrations to familiarize yourself with your printer Front View Media Feed Pause button Media cover Label N taken sensor gt Power light Memory card slot i cover Cover S release 7421U 001 1 3 Back View Serial communications port Parallel communications On Off Power port switch cord connector 7421U 002 Several options are available for use with your pri
22. er and 400 for direct thermal and work your way down until you achieve the best print quality Direct Thermal Media Sensitivity Settings Approximate Sensitivity Sensitivity Settings Setting Direct Thermal Media 400 Medium 470 Duratherm Lightning 2 460 European IR 440 European Thermal 100 Low 180 Duratherm II 1 170 European Tag 160 Duratherm II Tag 140 European Top 2 6 Thermal Transfer Media and Ribbon Sensitivity Settings Approximate Sensitivity Settings 600 Medium Plastic 500 Medium Paper 300 Low Plastic Sensitivity Setting 687 683 677 673 637 633 627 623 567 563 557 553 537 533 527 523 517 513 366 Thermal Transfer Media Media Ribbon Stock Duratran TTR Polyester Premium 3 Duratran TTR Polyester Premium 2 Duratran Syntran Premium 3 6 Duratran Syntran Premium 2 European Polyethelene Prem 3 6 European Polyester Premium 2 Duratran Kimdura Premium 3 6 Duratran Kimdura Premium 2 Duratran II 1 Premium 3 6 Duratran II 1 Premium 2 Duratran 5 mil Tag Premium 3 6 Duratran II Tag 5 mil Premium 2 European Tag Premium 3 6 European Tag Premium 2 Duratran II Tag 7 mil Prem 3 6 Duratran II Tag 7 mil Premium 2 European Coated Premium 3 6 European Coated Premium 2 Super Premium Polyester Super Premium 1 Adjusting the Print Darkness Use the print darkness adjust to fine tune the darkness of print on your labels The fine adjustments compensate for variations in the
23. f the options you can use with the printer along with a brief description Consult your Intermec representative to order any option Battery Pack The battery pack allows you to take your printer anywhere without the need to attach it to a power supply When the battery pack is fully charged you can run the printer for approximately 8 hours and print up to 500 labels Cutter Use the cutter option to cut continuous media into individual labels ready for use This option works best for individual random lengths or short batches of different label lengths Memory Expansion The memory expansion card is available in 1 or 4 MB flash modules You can use the flash memory cards for the storage of label formats single or double byte fonts and bitmap graphics A 5 Bar Code Symbologies Supported The 7421 printer supports these bar code symbologies e Codabar e Code2of5 e Code 11 e Code 16K e Code 39 e Code 49 e Code 93 e Code 128 e Code One A 6 Data Matrix EAN HIBC Interleaved 2 of 5 Maxicode PDF417 POSTNET UPC Communications Reference About Communications The 7421 printer supports both serial and parallel communications Using the parallel interface with an IEEE 1284 parallel interface cable Part No 590124 provides the best performance Your printer has the following hardware and software requirements The host computer must use the American Standard Code for Information Exchange ASCII for data
24. he ASCII characters lt DC1 gt XON and lt DC3 gt XOFF to start and stop the flow of data from the host to the printer The printer does not restrict the message length for XON XOFF protocol That is the printer processes information as it is being downloaded and stops when there is no more information lt STX gt and lt ETX gt are optional characters However if you send an STX the printer ignores all other characters until you send an ETX Intermec provides two versions of the XON XOFF protocol The Intermec version of XON XOFF has the printer respond to each message with its current status The other version conforms to generally accepted industry standards that include no end of message response being sent to the host other than XOFF In addition a DC3 is sent to the host if the printer is offline or if media fault occurs An XON is sent on power up Since the printer uses DC1 and DC3 for data flow control the printer status characters are different from those of the Standard Protocol Printer Status Character Buffer already full GS Ribbon fault US No label stock EM Printhead hot SI Buffer now full DC4 Label at strip pin FS Label skipping DC2 Printing DC2 Ready DC2 If the host ignores the printer sending an XOFF the printer resends an XOFF after receiving every 15 characters from the host In the case of transmission error the printer discards the characters with the error and keeps the rest of the message bloc
25. he life of your printer It is easy to fix most of the errors and consequently not delay operation of the printer for very long To troubleshoot your printer 1 First try cleaning the printer components and checking all of the connections See Chapter 3 Maintaining the Printer for details 2 If cleaning the printer and checking the connections does not solve the problem use the following tables to locate the symptom Follow the solution in the table to fix your problem If you receive an error message on your PC refer to your IPL Programming Reference Manual for a complete list of error messages and their solutions If the problem persists contact your Intermec Customer Service Representative In the U S 1 800 755 5505 In Canada 1 800 688 7043 If you are an international customer contact your local Intermec representative 4 3 Printer Operation Problems If your printer is not operating correctly try locating the problem in the table below Symptom No power or loss of power The Power light flashes red and printing stops Test configuration label does not print Printing stops and the Power light glows orange Printer appears to be working but nothing prints Possible Causes You have damaged or disconnected the power cable Printhead has overheated You have incorrectly loaded media Media fault Label jam The printhead is up You have incorrectly loade
26. ing under Emulation mode 23 24 40 5B 5C 5D 5E 60 7B 7C 7D 7E ep BOE ENDEN Tebe Ceper Se s To o a alo a Sweden Finland alafta oA teja aja l pr aaa sua Gara ay Aaa ela cores hs bP Ptr UL C 4 IBM Translation Character Table If you are running your printer with IBM Translation enabled use this table to find the right hex codes for the international Character sets 4F 7B 5B 7C 4A EO 5A 5F 79 CO 6A DO Al Ea Oa aad OS E s Nee cae AAA i eee Norway Denmark Sweden A A Finland Spain Hat y eee Ti P C 5 Code Page 850 Character Table C 6 v sen O m J N a 00 0 02 03 04 05 06 07 08 09 0A 0B oc oD 0 OF gt a Il qig mm Thy el Lila 10 1 12 13 14 15 16 17 18 19 1A 1B 1C 1D 1E 1F A R 20 2 22 23 24 25 26 27 28 29 2A 2B 2C 2D 2E 2F 0 112 331 4 5 6 718 9 lt gt 97 30 3 32 33 34 35 36 37 38 39 3A 3B 3C 3D 3E 3F A BC DE FOG HI Jj K L N O 40 4 42 43 44 45 46 47 48 49 4A 4B 4c 4D 4E 4F A PQRSTUVWXY Z N 50 5 52 53 54 55 56 57 58 59 5A 5B 5C 5D 5E 5F ab c def g hii j k lilm no 60 6 62 63 64 65 66 68 69 6 6B 6C 6D 6E 6F pq r situivwixy z 1 jo 70 7 72 73 74 75 D6 TT 78 79 7A 7B 7C 7D 7E 7F C l l a c l i i i A A 80 8 82 83 84 85 E6 87 88 89 8A 8B 8C 8D 8E 8F Ele E o y O U o X
27. ip load fanfold media and insert the optional memory card Chapter 2 Configuring the Printer Explains how to configure the printer for optimal performance You will learn how to set the media sensitivity number the print darkness adjust the label sensors and print a test label Chapter 3 Maintaining the Printer Shows how to maintain the printer Chapter 4 Troubleshooting Instructs how to clear error messages and troubleshoot programming or configuration problems Appendix A Printer Specifications Lists the specifications for the printer the available options and the supported symbologies Appendix B Communications Reference Defines the communications protocol and the interfaces that the printer uses to communicate Appendix C Character Sets Contains tables for the character sets that your printer supports ix Terms Listed below are special terms used throughout the manual Printer refers to the 7421 bar code label printer Media is the general term used to describe the label stock roll fanfold or tag on which the printer prints labels Label refers to the individual labels of your media Host refers to a personal computer or other computer that communicates with the printer A symbol or bar code symbol consists of alphanumeric Characters encoded in a bar code format Other Intermec Manuals The following manuals provid
28. k B 5 Hardware Protocol The printer uses Ready Busy and DTR data terminal ready of the RS 232C interface to indicate the printer s status You can configure Ready Busy and DTR independent of each other and independent of the software protocol you select for the serial port You can set each pin to one of these four settings default high flow control and Ready Busy When you set the pin to high it stays high as long as the printer is powered up When you set the pin to flow control the pin is high when the printer status is ready The pin is held low when the printer is offline or if the buffer is full When you set the pin to Ready Busy the pin is high when the printer status is ready The pin is held low when the printer is in one of these conditions e Offline e Buffer full e No label stock e Ribbon fault e Label at strip pin When you set the pin to default it uses flow control if the serial port is set for XON XOFF protocol If you are using Intermec Standard protocol the printer uses Ready Busy User Defined Protocol The printer provides the capability to change protocol characters However users may not define their own protocol You can substitute characters you want to use as protocol characters but the rules for the chosen protocol do not change The printer does not use any protocol characters that you replace with the NUL character One table of protocol characters exists You may redefine
29. media lot to lot the printhead or the printer The darkness adjustment is similar to the dark adjust available on a copier An increase in print darkness increases the energy to the printhead and results in darker print A decrease in print darkness decreases the energy to the printhead and results in lighter print Set the darkness after you enter the media sensitivity number You can adjust the print darkness from 10 to 10 To adjust the print darkness with PrintSet 1 Start the PrintSet application software 2 Click the Paper type button 3 In the Print Quality Setup dialog box adjust the Print Darkness slider bar until the setting that you want appears underneath it 4 Click OK 5 Download your change to the printer by pressing the button to send command updates to the attached printer 2 8 Adjusting the Label Gap Sensor The label gap sensor detects the gap between labels while they are being printed The gap sensor automatically calibrates itself when you first turn on power to the printer This adjustment compensates for manufacturing differences in label stock that may make it difficult for the gap sensor to detect the gap between labels To adjust the label gap sensor 1 Turn the printer power off 2 Turn the printer power on The printer Power light flashes yellow and the printer advances to the next label When the label gap sensor adjustment is complete the Power light stops flashing and tu
30. nter See Appendix A for complete descriptions of these options Learning How to Operate the Printer To operate the printer you need to understand Power light The Power light helps you determine when the printer is on or off or if there is a problem with the printer Feed Pause button The Feed Pause button allows you to feed out media pause the printer and print a hardware configuration label Understanding the Power Light Use the Power light to monitor the status of the printer Light State Indication Green Off Power off On Power on Flashing Receiving data Red On System fault Flashing Over temperature Orange On Media fault Flashing Paused Over Temperature If the printer overheats the Power light flashes red and the printer stops Do not try to troubleshoot or adjust the printer just allow it enough time to cool down and it will resume operation on its own Media or System Faults If the Power light turns red or orange and remains on your printer is experiencing a media or system fault For help see Chapter 4 Troubleshooting 1 5 Using the Feed Pause Button The Feed Pause button located on the left side of the printer performs these functions depending on the printer mode Printer Mode You Want To Idle Feed out one label or a minimum specified amount of media Continuously feed media Take the printer offline Printing Pause the printer Cancel the current printjob Print the
31. onal memory card 1 Turn the printer power off 2 Remove the memory card slot cover 7421U 028 3 Insert the memory card label side up into the memory card slot Push firmly to engage the memory card 7421U 027 1 20 Configuring the Printer Use this chapter to learn how to configure your 7421 printer communicate with a PC and print a test label with PrintSet Configuring the Printer You are now ready to configure the printer by downloading data from the host to the printer For your printer to operate most effectively you need to configure the media sensitivity number e the print darkness e the label gap sensors Setting the Media Sensitivity Number Media sensitivity is important because you use it to optimize print quality The three digit media sensitivity number MSN specifies the amount of heat required by the printhead to image a label The amount of heat that each roll of media or ribbon requires is unique due to different chemistries and manufacturing processes Intermec has developed heating schedules the amount of heat required to image a label to produce the highest possible print quality for Intermec media and ribbon combinations on Intermec printers Look for the three digit media sensitivity number on the side of the media roll Use the last three digits 140 in the example of the 15 digit number stamped on the roll for the media sensitivity number e asmall label attached
32. pressing down firmly on both sides of the printhead If you are finished cleaning close the printer cover Cleaning the Drive Roller and Peel Off Bar INE EU z 4 M A A gt TS 7421U 037 3 9 Cleaning the Label Sensors Three label sensors on the printer require regular cleaning e Label taken sensor e Label mark sensor e Label gap sensor To clean the label sensors 1 Turn the printer power off and remove the power cord 2 Open the printer cover 3 Open the printhead assembly by pulling the yellow release lever on the left side of the printer toward the front of the printer Lift the printhead up into the full open position 4 Clean the label taken sensor the label mark sensor and the label gap sensor with a cotton swab moistened with isopropyl alcohol 5 Lower the printhead assembly and lock it into the operating position by pressing down firmly on both sides of the printhead 6 If you are finished cleaning lower the printer cover 3 10 Cleaning the Label Sensors Label gap sensor 7421U 038 Troubleshooting This chapter provides some hints for troubleshooting error messages that the printer sends to the host and problems you may experience with the printer Troubleshooting Checklist You may have printer operation print quality or printer communications problems at some time during t
33. ranslation C 5 international C 3 printer A 3 checking for communications problems 4 8 cleaning drive roller 3 8 label sensors 3 10 peel off bar 3 8 printer covers 3 7 printhead 3 6 tools 3 5 cleaning the printer 3 3 Codabar A 6 Code 11 A 6 Code 128 A 6 Code 16K A 6 Code 2 of 5 A 6 Code 39 A 6 Code 49 A 6 Code 93 A 6 Code One A 6 Code Page 850 character table C 6 communicating with the printer 2 10 using PrintSet 2 10 using the printer command set 2 10 using third party software 2 10 communications boundaries B 8 host requirements B 3 interfaces B 8 printer B 3 problems 4 6 problems checking for 4 8 protocol user defined B 7 protocols hardware B 6 Intermec Standard B 4 XON XOFF B 5 protocols serial B 3 reference serial communication protocols See also protocols specifications A 3 troubleshooting printer 4 6 1 3 configuring media sensitivity number 2 3 printer 2 3 covers printer cleaning 3 7 cutter option A 5 D Data Line Print 4 6 entering 4 6 using to test the operation of the printer 4 6 using to troubleshoot printer 4 6 data loss preventing 4 7 Data Matrix A 6 defaults resetting factory 4 8 dimensions printer A 3 drive roller cleaning 3 8 E EAN A 6 electrical requirements external power supply A 3 printer A 3 Emulation mode international Character sets C 4 environment specifications A 3 extended character sets C
34. rinter Component Maintenance Period Printhead Inspect after every roll of media or ribbon Clean after every roll 1 800 inches or 46 m of media or more often if necessary Printer Cover Clean as necessary Drive roller and peel off Clean after every five rolls of media If bar you are using hi tack adhesive you must clean these parts after every roll of media If you are using tag stock or continuous Label mark sensor media you may want to clean the parts after every five rolls of media or as necessary Clean these parts more often in environments that are harsh or dusty Label gap sensor Label taken sensor Locating the Printer Parts You Need to Maintain Label taken sensor Peel off bar Label mark sensor Label 7421U 033 gap sensor Tools for Cleaning the Printer To clean the printer safely and effectively use the following items e Isopropyl alcohol e Cotton swabs e Clean lint free cloth e Soapy water mild detergent The following procedures explain how to access the printer parts and clean them without causing any harm to the printer or yourself Warning Switch off the printer power and remove the WARNING power cord before cleaning any part of the printer Avertissement Mettez l imprimante hors tension et d branchez le cable d alimentation avant de nettoyer une parte de l imprimante 3 5 Cleaning the Printhead In order for the printhead to provide good print qualit
35. rinthead loading mode 2 13 problems communication 4 6 communications checking for 4 8 print quality 4 5 printer operation 4 4 protocol hardware B 6 Intermec Standard B 4 user defined B 7 XON XOFF B 5 protocols B 3 Q quality print problems 4 5 R red light over temperature condition 1 5 1 6 resetting factory defaults 4 8 ribbon specifications A 5 RS 232 serial interface B 8 schematics B 10 S schedule of maintenance 3 3 sensors cleaning label 3 10 serial interface B 8 setting media sensitivity number 2 3 specifications printer A 3 speed printing A 5 Standard protocol B 4 symbologies bar code A 6 Codabar A 6 Code 11 A 6 Code 128 A 6 Code 16K A 6 Code 2 of 5 A 6 Code 39 A 6 Code 49 A 6 Code 93 A 6 Code One A 6 Data Matrix A 6 EAN A 6 HIBC A 6 Interleaved 2 of 5 A 6 Maxicode A 6 PDF417 A 6 POSTNET A 6 UPC A 6 system faults 1 5 T Test and Service mode Data Line Print 4 6 test label printing 2 11 third party software using to communicate with the printer 2 10 troubleshooting 4 3 checklist 4 3 communication problems 4 6 print quality problems 4 5 printer operation problems 4 4 U UPC A 6 user defined protocol B 7 X XON XOFF protocol B 5
36. rized copying of the software including software that has been modified merged or included with other software or the written materials is expressly forbidden without the prior written consent of Intermec All right title and interest in all copies of this software are and shall at all times remain the sole and exclusive property of Intermec Customer may be held legally responsible for any copyright infringement that is caused or encouraged by its failure to abide by these terms Contents Before You Begin vii Warranty Information vii Safety Summary vii Warnings Cautions and Notes viii About This Manual ix 1 Operating the Printer Getting to Know Your Printer 1 3 Learning How to Operate the Printer 1 5 Understanding the Power Light 1 5 Using the Feed Pause Button 1 6 Loading Media Into the Printer 1 7 Using the Peel Off Option 1 7 Loading Fanfold Media 1 16 Inserting the Optional Memory Card 1 20 2 Configuring the Printer Configuring the Printer 2 3 Setting the Media Sensitivity Number 2 3 Setting the MSN for Intermec Media and Ribbon 2 5 Setting the MSN for Other Media and Ribbon 2 6 Adjusting the Print Darkness 2 8 Adjusting the Label Gap Sensor 2 9 Communicating With the Printer 2 10 iii Printing a Test Label 2 11 Using the Printhead Loading Modes 2 12 Maintaining the Printer Maintenance Schedule 3 3 Tools for Cleaning the Printer 3 5 Cleaning the Printhead 3 6 Cleaning the Printer Covers 3 7 Cle
37. rns green 2 9 Communicating With the Printer Downloading is the universal term used to describe the transfer of information from the host to any connected peripheral device such as your printer When you transfer data from your printer to the PC or host you are performing a process called uploading You can use several methods to download information to your printer Use these products to communicate with your printer PrintSet Application Software Use the PrintSet application software to easily configure your printer from your PC You can upload the current configuration settings modify them and then download them to your printer PrintSet also lets you e download graphics and fonts print test labels using resident fonts user defined bitmap graphics or resident bar code symbologies allocate printer memory download configuration files to multiple printers For help using PrintSet refer to the online help portion of the application software Intermec Printer Language IPL Commands You can create labels by downloading formats designs and data with IPL commands You can use the printer IPL commands to perform functions and activate features of the printer See the IPL Programming Reference Manual for more information Third Party Software You can use third party software to set many of the printer parameters You can use PrintSet or the IPL command set to configure the parameters that your software does no
38. set the printer to factory defaults 1 Turn off the printer 2 Lift the printhead and remove all label stock from the paper path 3 Turn the printer on while holding down the Feed Pause button 4 When the print mechanism starts to move release the Feed Pause button and press it again The Power light should now be flashing red 5 Press and hold the Feed Pause button down for 8 seconds or until the Power light stops flashing The printer resets all parameters to their factory default settings 4 8 Printer Specifications Printer Specifications This section describes the specifications for the 7421 printer Character Sets e US ASCII e Norwegian Danish e French e UK ASCII e Swedish Finnish e Swiss e German e Italian e Spanish e 8 bit ASCII Code Page 850 Communications e Asynchronous RS 232C IEEE 1284 Bi directional Parallel e Serial ASCII code e Hardware Ready Busy Flow Control e XON XOFF Protocol e Intermec Standard Block Protocol e Baud Rates 1200 2400 4800 9600 19200 Dimensions no options installed Height 7 inches 17 8 cm Width 8 inches 20 3 cm Length 10 inches 25 4 cm Weight 4 5 pounds 2 0 kg Electrical Requirements External Power Supply Input Voltage 100 to 240V Frequency 50 60 Hz Current 2A maximum Electrical Requirements Printer Input Voltage 19 21V Current 2 5A Environment Operating 40 F to 104 F 5 C to 40 C Humidity 10 to 90 noncondensing
39. t set Use your third party software to create label formats and convert graphics into a user defined character UDC format that the printer can interpret Printing a Test Label If you would like to test your communications by downloading a label follow the example below Use the PrintSet application software to send a test label to the printer 2 10 To print the test label 1 Start the PrintSet application software 2 Click the Test Print button 3 Select the Test Label option button 4 Select either the Text or the Bar Code option button If you select text you can choose any font in the Select Printer Font list box If you select bar code you can choose any symbology in the Select Symbology list box 5 Click the Print button Your 7421 printer prints out a test label 2 11 For example if you choose to print a bar code with the Code 39 symbology your printer prints out a label similar to this one I AN OT DT TTN 0123456789 0123456789 7421U 031 Using the Printhead Loading Modes You can use two different printhead loading modes with the 7421 printer Mirror Printing mode or Inverse Printing mode If you select Mirror Printing mode the printer reverses the order of the data that is loaded into the printhead If you select Inverse Printing mode the printer inverts all pixels in an image before it sends the data to the printhead Only use Inverse Printing mode to print a small area of a
40. ta lt ETX gt or when it receives the status request command lt ENQ gt When the printer receives the status dump command lt VT gt the printer returns all active status The printer status response time ranges from 30 ms to 100 ms depending on the complexity of the received message block In the case of a transmission error the printer responds with a lt NAK gt and discards the entire message block The table below shows printer status conditions in descending order of priority Printer Status Character Buffer already full GS Ribbon fault US No label stock EM Buffer now full DC3 Printhead hot SI Label at strip pin FS Skipping DC1 Printing DC1 Ready Online DC1 Note Do not confuse the Buffer now full lt DC3 gt status with the XON XOFF characters lt DC1 gt and lt DC3 gt When the printer returns Buffer Now Full lt DC3 gt status it accepts the currently received message block At this time the printer can accept short messages to allow parsing of immediate commands such as Reset lt DLE gt or Cancel Batch Printing lt EM gt However if the printer responds with a lt GS gt to any message block the buffer is already full and the printer discards the entire message block In case of a transmission error the printer discards the whole message block and responds with a Negative Acknowledgment NAK You should retransmit the message block from the host B 4 XON XOFF Protocol XON XOFF protocol uses t
41. these characters to create a table that all of the protocols can use One possibility for the user to redefine protocol characters might be the replacement of control characters with printable characters B 6 Note Please use caution when replacing control characters with printable characters You cannot replace one control character with more than one printable character The following table lists the protocol characters that you can redefine and the protocols they affect Character Protocol Affected SOM IN STD XON XOFE EOM IN STD XON XOFF DLE IN STD XON XOFF XON IN XON XOFF XOFF IN XON XOFF NEG OUT STD DLE OUT STD XON OUT XON XOFF XOFF OUT XON XOFF PROTO CMD 1 STD XON XOFF PROTO CMD 2 STD XON XOFE Communications Boundaries The information below applies to all protocols that the printer supports Parameter Maximum Capacity Message delay 9999 milliseconds Character delay 9999 milliseconds Message block size 255 characters including STX and ETX characters Unlimited block size for XON XOFF RS 232 Serial Interface The printer supports serial communications with the RS 232 interface Use the RS 232 serial interface in all asynchronous point to point full or half duplex direct data communications The printer cable must have the pin assignments for an RS 232 serial interface shown in the following table B 8 Pin Name Receive Data Transmit Data Data Terminal Ready DTR Ground Clear to Send
42. to the roll of media asmall label attached to the plastic bag of your ribbon roll Your label may be different from this example but it will contain the media sensitivity number 2 3 Finding Your Media Sensitivity Number INTERMEC MEDIA PRODLKTS SENSITIVITY LABEL 120066102605140 Sex Intermec SENSITIVITY NUMBER CAE 7421U 030 Note Some ribbon rolls have the media sensitivity number printed on the inside core Use this three digit number to optimize print quality and print speed on your printer You can achieve the best print quality on the printer by using only Intermec ribbon and media products The default sensitivity setting for thermal transfer media is 567 For direct thermal media the default sensitivity setting is 180 To change the media sensitivity number with PrintSet 1 Start the PrintSet application software 2 Click the Paper type button 3 In the Print Quality Setup dialog box enter your three digit number in the Media Sensitivity Number field 4 Click OK 5 Download your change to the printer by pressing the button to send command updates to the attached printer 2 4 Setting the MSN for Intermec Media and Ribbon For direct thermal media use the three digit media sensitivity number located on the roll of media to set the media sensitivity number You can also use the values from the tables in the next section For thermal transfer media you need to look in two places
43. ur viter l occurrence de mort ou de blessures graves aux personnes manupulant l quipement Caution caution alerts you to an operating procedure practice condition or statement that must be strictly observed to prevent equipment damage or destruction or corruption or loss of data Conseil Une pr caution vous avertit d une proc dure de fonctionnement d une m thode d un tat ou d un rapport qui doit tre strictement respect pour emp cher l endommagement ou la destruction de l quipement ou Valt ration ou la perte de donn es Notes Notes are statements that either provide extra information about a topic or contain special instructions for handling a particular condition or set of circumstances viii About This Manual This manual contains all of the information necessary to operate configure maintain and troubleshoot the 7421 bar code label printer This manual was written for all users who need to know how to use the printer to print labels What You Will Find in This Manual This table summarizes the information in each chapter of this manual For Information On Operating the printer Configuring the printer Routine maintenance Troubleshooting Printer specifications and options Communications printer protocols and printer interfaces Character sets Refer To Chapter 1 Operating the Printer Explains the printer front panel tells you how to load media for self str
44. vity number printed on it attached to your roll of media or a 15 digit number stamped on the side of the media roll Save this information You will need it to set the correct media sensitivity number For help see Setting the Media Sensitivity Number in Chapter 2 Note Intermec does not recommend using fanfold media with the peel off option 1 7 To load labels using the peel off option 1 Open the top cover of the printer 7421U 003 2 Open the printhead assembly by pulling the yellow release lever toward the front of the printer x 7421U 005 1 8 3 Lift the printhead up into the full open position 7421U 006 4 Adjust the guide tabs to their widest position by winding the yellow adjustment roller toward the front of the printer 7421U 009 1 9 5 Insert the spindle into the roll of media PO 4 102m 7421U 011 6 Place the roll inside the top cover so that the end feeds from the top 7421U 012 7 Insert the end of the roll into the printer and out the front of the printer Note It is easier to insert the media through the printer mechanism if you cut the corners off the end of the first label i gt A 7421U 013 8 Rewind the excess paper onto the media roll while placing the spindle into the holder slots on the printer
45. y it must maintain close contact with the media Therefore cleaning media debris from the printhead is very important Clean the printhead after every roll 1 800 inches or 46 m of media or when necessary Caution Do not use sharp objects such as knives or screwdrivers to scrape the printhead clean Cleaning with sharp objects will damage the printhead Clean with only a cotton swab or a clean lint free cloth or tissue damp with isopropyl alcohol CAUTION Conseil N utilisez pas d objets pointus tels que couteaux ou tournevis pour nettoyer la t te d imprimante Nettoyer avec des objets pointus endommagera la t te d imprimante Nettoyez la seulement avec de la ouate ou avec un linge propre et libre de peluches humect avec de l alcool d isopropy l To clean the printhead 1 Turn the printer power off and remove the power cord 2 Open the printer cover 3 Open the printhead assembly by pulling the yellow release lever on the left side of the printer toward the front of the printer Lift the printhead up into the full open position 4 Remove the media and ribbon if necessary 5 Use a cotton swab moistened with alcohol to remove any dirt adhesive or debris from the print surface on the bottom of the printhead 3 6 Cleaning the Printhead Printhead 7421U 035 6 Wait5 to 10 seconds for the print surface to dry Replace the media and ribbon 7 Lower the printhead assembly and lock it into the
46. y when the printer s input buffer is full Any loss of data can cause printing errors or missing data Hardware handshaking uses pin 6 or pin 9 of the RS 232 interface to control data flow When the printer is using Intermec Standard protocol it holds pins 6 and 9 high when the printer is ready to receive data For help on understanding printer protocol see Appendix B Communications Reference The printer holds pins 6 and 9 low when the printer is in one of these conditions e Buffer full e Ribbon fault e No label stock e Label at peel off bar 4 7 Your printer uses XON XOFF protocol for software handshaking When the input buffer is full the printer transmits an XOFF character This action alerts the host to the fact that the printer buffer is full and cannot receive any more data When the printer is ready to receive more data it sends the XON character To check for communications problems 1 Check the cabling from the printer to the host system 2 Check the interfacing of the devices that are communicating with the printer 3 Check the printer for proper electrical operation of the I O port 4 Test to see that the host system is not overrunning the printer s input buffer 5 Check to see that the data string being sent to the printer contains the correct information Resetting the Printer to Factory Defaults Use memory reset if you want to return the printer to its default configuration To re
Download Pdf Manuals
Related Search