TH420 Thermal Printer User Guide
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TH420 Thermal Printer User Guide Edition April 2005
Microsoft and Windows NT are registered Trademarks of Microsoft Corporation in the U.S.A. and/or other countries BEETLE® is a registered trademark of the Wincor Nixdorf International GmbH, Germany Copyright © Wincor Nixdorf International GmbH, 2005 The reproduction, transmission or use of this document or its contents is not permitted without express authority. Offenders will be liable for damages.
Contents Manufacturer’s Declaration and Approval .............................1 General Authorization .................................................................................1 FCC-Class A Declaration............................................................................1 User Information .........................................................................................1 Safety Information.......................................................................................
Communication cables ........................................................................23 Power supply cable .............................................................................25 Cable routing .......................................................................................25 Test the printer ....................................................................................26 Using the Printer..................................................................
FEDERAL COMMUNICATIONS COMMISSION (FCC) Manufacturer’s Declaration and Approval General Authorization This device fulfills the requirements of the EEC standard 89/336/EWG “Electromagnetic Compatibility”. Therefore, you will find the CE mark on the device or packaging. FCC-Class A Declaration This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to part 15 of the FCC Rules.
SAFETY INFORMATION approved by Wincor Nixdorf may not be connected to the device. The user is responsible for any faults and interference that are caused as a result. Repair work on the devices should only be carried out by authorized and specially trained personnel. Improper repairs will lead to the loss of any guarantee and liability claims. Extension boards with electrostatically endangered components can be identified with this label.
INSTRUCTIONS FOR MAINTENANCE Instructions for Maintenance Clean your TH420 regularly with an appropriate surface cleaning product. Make sure that the device is switched off, connector cables are unplugged and that no moisture is allowed to get into the inside of the device. Warranty Wincor Nixdorf guarantees generally a warranty engagement for 12 months beginning with the date of delivery. This warranty engagement covers all those damages which occur despite a normal use of the product.
RECYCLING Please do not stick labels onto plastic case parts. This would help us to re-use components and material. You can protect our environment by only switching on your equipment when it is actually needed. If possible, even avoid the stand-by-mode as this wastes energy, too. Also switch your equipment off when you take a longer break or finish your work. Currently at present, there are still some parts that are not reusable.
ABOUT THE PRINTER About This Guide What is in this guide The four chapters that follow are organized according to what you want to learn about the printer, learn about the set up, operation, and routine testing and servicing of the printer.
WHAT IS IN THIS GUIDE Notes in the manual are marked by this symbol. This symbol is used for warnings.
ABOUT THE PRINTER About the Printer Paper feed button Receipt cover Receipt On-line, Paper Status, Error light (green) Front cover Slip of check Extended slip table Slip- in LED (green) The TH420 is a low-cost, high-efficiency, point-of-sale (POS) printer that boasts the smallest footprint of any hybrid printer. It features fast monochrome or two-color receipt printing plus a drop in validation print station. The TH420 provides maximum flexibility, performance, and reliability.
ABOUT THE UNIVERSAL SERIAL BUS Cash drawer connector Power supply connector USB connector DIP Switches The printer’s standard command set allows it to work with software written for Wincor Nixdorf or other compliant printers. A variety of sensors enables the printer to communicate its status to the host computer. The printer also has an electronic journal feature. The easy-to-use thermal printer requires no ribbon or ink cartridge.
ABOUT THE UNIVERSAL SERIAL BUS n n Up to 127 devices: One host can support up to 127 devices with the use of hubs. “Free ports”: Wincor Nixdorf BEETLE systems and the most PC architecture machines contain two USB ports in the base hardware. These advantages have become attractive to the POS industry for a couple of reasons. Additional POS devices Some POS systems are required to host more peripherals than can be supported by four RS-232C ports typical in a BEETLE platform.
USER CONTROLS User Controls Receipt cover Receipt Front cover Paper feed button Slip of check On-line, Paper Status, Error light (green) Extended slip table Slip- in LED (green) Reset button The printer has the following controls: The paper feed button (1) advances the receipt paper and is used in navigating configuration menus. The On-line, Paper Status, Error LED (2) shows the printer status by shining or flashing. The slip-in LED (3) indicates that a form is inserted properly.
AVAILABLE PRINTER CONFIGURATIONS The printer also indicates its status when it is first turned on, or after it has been reset, by beeping. A single beep indicates the printer has successfully completed its startup routine. If the printer beeps in a single, double, or triple pattern at first power on, please call your service representative. Available printer configurations There are several configurations of the printer, depending on the combination of desired options.
STANDARD FEATURES n Remote diagnostics capability tracks important printer data. n 2 MB flash memory standard available memory for multiple logos, graphics, user-defined character set, and user data storage. n 16-bit electronics architecture. n Communication rate up to 115,200 baud. n Flash download mode lets the user upgrade the printer’s firmware. Thermal receipt printer 12 n Extremely fast and quiet two-color thermal printhead. n No ribbon or ink cartridge to change.
STANDARD FEATURES Impact slip printer n Bi-directional impact printhead designed for a very long life. n Snap-on ribbon cassette. n Prints on forms up to five plies. n Horizontal flatbed extended slip table. n Form insertion flexibility: insert forms in front or from the side. n Form alignment sensors and LED indicator.
OPTIONS Options Connectivity 14 n Three standard plug-in printed circuit boards are available depending on the communication interface required. Interfaces with 25-pin RS-232C only, USB only can be provided. n Communication cables are available for all interfaces.
CHECK THE PACKING LIST Setting up the Printer Check the packing list Save all packing materials in case you need to repack the printer for shipping or storage.
REMOVE THE PACKING RESTRAINTS Receipt cover Cardboard support Front cover Carriage Foam restraint Receipt cover Paper roll supports Sample paper roll Test printout 16
LOAD OR CHANGE THE RECEIPT PAPER Load or change the receipt paper Change the paper when either a colored stripe appears on the receipt paper or the printer’s on-line, paper status, error LED slowly flashes (indicating that 5 ± 2 m (15 ± 10 feet) of paper remains on the roll). Change the paper as soon as possible to avoid running out of paper part way through a transaction. If the on-line, paper status, error LED blinks fast, the paper is out. Change the paper immediately or data may be lost.
LOAD OR CHANGE THE RECEIPT PAPER If changing the type of paper being used (monochrome vs. two-color version or manufacturer type), you will need to send the “Set paper type” (1D 81 m n) command. Use the “Set paper type” (description found in the Programming Supplement) or selection in the configuration menu. 18 n Open the receipt cover and remove the used roll (if present). n Tear off the end of the new roll so that the edge is loose.
INSTALLING OR REPLACING THE RIBBON CASSETTE Installing or replacing the ribbon cassette Change the impact printer’s ribbon cassette if it is printing lightly or produces marks, lines or other inconsistent printing on the receipt. You must use an approved Wincor Nixdorf ribbon cassette with the check flip option to prevent jamming or other ribbon problems.
INSTALLING OR REPLACING THE RIBBON CASSETTE Knob Cassette Mylar shield Printhead Ribbon Replacing a used ribbon cassette n Open the front cover (1) by grasping the cover on each side at the bottom and swing up. n Pinch in tabs (2) of the old ribbon cassette and pull to remove it. n Continue to “Installing a new ribbon cassette” step 2. Installing a new ribbon cassette n Open the front cover (1) by grasping the cover on each side at the bottom and swing up.
CHOOSE A LOCATION Choose a location Receipt cover 280 mm (11.0") 178 mm (7.0") 229 mm (9.0") Extended slip table 264 mm (10.4") 347 mm (13.
CONNECT THE CABLES The TH420 printer takes up relatively little counter space and may be set on or near the host computer. With the RS-232C interface, you can place the printer up to 50 feet/15 m (with the USB interface up to 15 feet/5 m) from the host computer and power supply. Place the printer on a level surface, and make sure there is enough room to open the receipt cover to change the paper and to open the front cover to change the impact printer’s ribbon cassette.
CONNECT THE CABLES Cash drawer cables The cash drawer cable connects the printer to one or two cash drawers. Be careful to connect correct cable into printer cash drawer connector. Plug the cable into the cash drawer connector (standard phone jack) located at the rear of the printer. If your system has two cash drawers, attach a Y-cable to the printer’s cash drawer connector as shown.
CONNECT THE CABLES RS-232C 25-pin communication connector panel Power supply connector 25-pin RS-232C communication connector If installing the USB communication cable: n Turn off the host computer. n Plug the printer end of the USB cable into the USB connector port on the printer (A). n Route the cable from the printer as shown on the following page to provide strain relief. n Plug the computer end of the USB cable into the computer.
CONNECT THE CABLES Power supply cable To avoid damage to the printer, connect the power supply cable last. Power supply connector n n n USB connector Plug the power cord into the power supply. Route the cash drawer and power supply cables through the strain relief as shown in the next page, When the printer is configured for USB and the native “Cable routing”. Plug the power cord into the power supply, then plug the power supply into an outlet. The green LED on the top cover will light up.
CONNECT THE CABLES Test the printer The test prints a list of various printer settings (Diagnostic form) and partially cuts the paper if a knife is installed (see sample on next page). The test printout items may vary depending on the printer model. This printout may be useful to a service representative if there is a problem. If something appears to be wrong with the test printout (such as missing or faded text), see the section "Troubleshooting" in this document.
CONNECT THE CABLES n When the printer begins printing let go of the paper feed button. The diagnostic printout will print. n Review this printout for printer settings. If you wish to change any of these settings go to the configuration menu as instructed at the bottom of the printout. Be extremely careful changing any of the printer settings to avoid inadvertently changing othersettings that might affect the performance of the printer. Make selections as instructed on the printout.
CONNECT THE CABLES 28
PRINTING ON FORMS OR CHECKS Using the Printer Printing on forms or checks There are several types of transactions that may require the insertion of a form or check into the printer: n n n n n n Credit card transaction (requiring a merchant verification or authorization slip) Multiple-part forms such as credit transactions or merchandise returns Electronic funds transfers Electronic check Check printing (printing the date, payee, and amount on the check face) Check endorsement Although the illustration b
PRINTING ON FORMS OR CHECKS To print on a form or check n n n n n n 30 Insert the form or check (check shown in the illustration) from the front and place it on the slip table with the print side up. If the form is extra long, you may need to insert it from the side. A slight resistance may be felt when the form comes in contact with the form stop. Slide the form or check to the right until it aligns against the check guide.
CLEARING CHECK FLIP PAPER JAMS Clearing check flip paper jams To clear a paper jam from the optional check flip assembly Look in the window of the check flip assembly. If the jammed check is visible, open the window and remove it (1). Check Check flip window door If the jammed check is not visible in the window, open the front cover (2) and remove the jammed check from behind the check flip assembly.
PRINTER CONFIGURATIONS Printer configurations Printers are shipped with all the functions and parameters pre-set at the factory. Settings for various printer parameters can be changed. This menu is printed on the receipt and scrolls through instructions for selecting and changing user changeable functions or parameters. When changing the paper type, you will need to either send the “Set paper type” (1D 81 m n) command or use the “Set Paper Types” selection from the configuration menu.
PRINTER CONFIGURATIONS n Printer settings and functions Emulation/software option sub-menu Printer ID mode Default lines per inch Carriage return usage Default font Font size Slip eject at receipt select Hardware options sub-menu Printhead setting Paper type name Color density Print density (mono) Power supply wattage (max power) Alternate reset feature Knife option Paper low sensor Check flip option 33
CONFIGURING THE PRINTER Configuring the printer The configuration menu allows you to select functions or change various settings for the printer. Instructions printed on the receipt, guide you through the processes. When changing the paper type, you will need to either send the “Set paper type” (1D 81 m n) command or use the “Set Paper Type” selection from the configuration menu.
CONFIGURING THE PRINTER The printer pauses and waits for a main menu selection to be made (see sample printout below.) n Follow the printed instructions on the scrolling menu by pressing the paper feed button as indicated below to make selections. Indicate "Yes" with a long click. (Press and hold paper feed button for more than one second.) Indicate "No" with a short click. (Press paper feed button quickly.).
COMMUNICATION INTERFACE n If you would like to continue configuring the printer, select “No”. The printer returns to the configuration menu where you can set parameters again. Communication interface To change the communication interface settings (except Ethernet), enter the configuration menu, select “Set Communication Interface” from the main menu and answer “Yes” to “SET INTERFACE TYPE?” printed on the receipt.
COMMUNICATION INTERFACE n 2400 baud 1200 baud Number of data bits can not be changed (not shown on printout) n Stop bits can not be changed (not shown on printout) n Parity can not be changed (not shown on printout) n Hardware flow control Software (XON/XOFF) Hardware (DTR/DSR) n Data reception errors Ignore errors Print “?” n Alternate DTR/DSR Enabled Disabled Press the paper feed button for at least one second to validate the selection.
COMMUNICATION INTERFACE Be extremely careful changing any of the printer settings to avoid inadvertently changing other settings that might affect the performance of the printer. See "Configuring the printer" for instructions on how to enter the configuration menu. Enable or disable data scope mode The data scope mode test prints a hexadecimal dump of all data sent to the printer: “1” prints as hexadecimal 31, “A” as hexadecimal 41 and so on.
COMMUNICATION INTERFACE Enable or disable receipt test mode The receipt test mode verifies proper receipt printing. Receipt test is enabled and disabled by selecting the “Diagnostic Modes” sub-menu of the configuration menu. See “Configuring the printer”, for instructions on how to enter the configuration menu. Do run the Receipt test mode n Enable the receipt test mode in the configuration menu. n Exit the configuration menu. n Push the paper feed button.
COMMUNICATION INTERFACE Enable or disable check flip test mode The check flip test verifies that the check flip mechanism will flip an inserted check only. It does not read the check. Check flip test is enabled or disabled by selecting the “Diagnostic Modes” sub-menu of the configuration menu. See “Configuring the printer” for instructions on how to enter the configuration menu. Check orientation - face down Do not fold check.
PRINTER SETTINGS AND FUNCTIONS You must use a check to conduct the test. The test will not run if a slip or form is inserted. n Push paper feed button. The check is flipped and returned, but no printing is performed. To exit the check flip test mode: n Enter the configuration menu and “Diagnostic Modes” sub-menu again. n Disable the Check flip test mode. n Exit the configuration menu. The printer is on-line and can again normally communicate with the host computer.
PRINTER SETTINGS AND FUNCTIONS n Carriage return usage This function allows the printer to ignore or use the carriage return (hexadecimal 0D) command depending on the application. Some applications expect the command to be ignored while others use the command as a print command. n Default font Sets the default font for monochrome, two-color, and Application Compatible Escape Commands emulations. n Font size Allows user to set font size for the emulation being used.
PRINTER SETTINGS AND FUNCTIONS have any questions. n Print density (monochrome papers only) Adjusts printhead energy level to darken printout or adjust for paper variations. When the printer prints high-density color print lines (text or graphics), it automatically slows down. Factory setting is 100%. Choose a print density setting no higher than necessary to achieve acceptable print density. Failure to observe this rule may result in a printer service call and may void the printer warranty.
PREVENTING OVERHEATING OF THE PRINTHEAD Preventing overheating of the printhead There are restrictions on the duty cycle because of the heat generated by the thermal printhead when printing solid blocks (regardless of the length of the block in relation to the print line). The restrictions are ambient temperature, the percentage of time (measured against one minute) of continuous solid printing, and the amount of coverage.
TROUBLESHOOTING THE PRINTER For reference n A typical receipt with text (contains some blank spaces) is approximately 12% dot coverage. n A full line of text characters (every cell on the line has a character in it) is approximately 25% dot coverage. n Graphics are approximately 40% dot coverage. n Barcodes are approximately 50% dot coverage. n A solid black line is 100% dot coverage.
TROUBLESHOOTING THE PRINTER Status LED behavior Power off Off Firmware download Fast blink Level 0 diagnostics (entered at power on or in reset) Fast blink Paper low Temperature error Voltage error Slow blink Cover open (receipt, slip or flip) Paper out Carriage jam Slip jam Flip jam Knife jam Fast blink All other states ON n Test the receipt printer or slip printer by printing a sample test print as described elsewhere in this document.
TROUBLESHOOTING THE PRINTER Printer will not print Condition Possible causes What to do The on-line, paper status, error LED is blinking and the printer won’t print. The receipt paper may be out, the cover open,the knife jammed, the supply voltage out of range, or the print head temperature out of range. Check that the receipt paper is properly loaded and covers are closed. See the table at the beginning of this section. If problem continues contact a service representative.
TROUBLESHOOTING THE PRINTER The on-line, paper status, error LED is blinking. The slip is jammed. Open the front cover and clear paper from path. The carriage is jammed. Open front cover and clear paper from path. A jam during flip. If visible through front window, open access door and clear paper jam, if not, open front cover and clear jam. Receipt paper is low. There are about 4.5 meters, ± 3 meters, (15 feet, ± 10 feet) of paper left.
TROUBLESHOOTING THE PRINTER Poor forms print quality Condition Possible causes What to do Printer starts to print, but stops while form is being printed. Communication error or software error. Check the interface cable. Check that the software is working properly. Forms print is light or spotty. Form not inserted incorrectly. See “Printing on forms or checks.” Impact printhead is dirty or defective. Contact a service representative. Improper internal cable connections.
TROUBLESHOOTING THE PRINTER Print is light or spotty. 50 Paper roll loaded incorrectly. Check that the paper is loaded properly. Thermal printhead is dirty. Use recommended thermal receipt paper. Clean the thermal printhead with an alcohol pen prior to going back to an approved paper. Do not spray the thermal printhead with household cleaner as this may damage it and the electronics. The thermal printhead does not normally require cleaning if the recommended paper grades are used.
TROUBLESHOOTING THE PRINTER Slip station and flip problems Condition Possible causes What to do Slip table LED does not come on. Form or check not inserted properly. Line up the form or check against the check guide (wall) and slide it toward the back of the printer until it contacts the form stop and can't go any further. Extra long forms may need to be inserted from the side to disengage the Form Stop. See “Printing on forms or checks” section or “Verifying and validating checks” section.
n n n n n n n n Terms not feeding into the slip/forms area properly Missing dots in slip or forms printing Printer will not cycle or stop when required Illegible characters Paper will not feed Knife will not cycle or cut Platen will not open or close Printer will not communicate with the host computer
FORMS SPECIFICATIONS Paper and Supplies Forms specifications The TH420 prints on single- or multiple-part forms in the slip station (up to five-part forms). Forms and slips must meet the following requirements: n Front insertion (minimum) 51 mm (2.00") wide 68 mm (2.68") long n Side insertion (minimum) 203 mm (8.0") wide 51 mm (2.0") long n Single-ply forms should be on paper that is greater than 6,8 kg (15 pounds) n Multiple-part forms (up to five parts) should be no thicker than 0.40 mm (0.
SLIP FORMS - RECOMMENDATIONS n The slip form should be flat and void of curls or wrinkles, especially at the top. n Considerations for glued edges on slip paper No glue on bottom edge (1). Right or top edge (2): Paper feeding and insertion are affected by gluing method, length of edge, and quality of glue used. n Left edge or wide slip paper (3): Skewing may occur. Slip senso Slip/LED sensor Slip side guide 19 mm (0.747") 8 mm (0.315") 6 mm (0.
CHECK SPECIFICATIONS Check specifications Check specifications for paper are defined by American Standards ANSI X9.13 and ANSI X9.18, and International Standard ISO 1004. n n Minimum check size: 70 mm (2.75") wide x 152 mm (6.00") long Maximum check size: 95 mm (3.75") wide x 222 mm (8.
TECHNICAL DATA Technical Data Printer Output Receipt Station Slip Station Print Method Direct Thermal, 203 DPI 9-Pin Impact Character Cell Size 13 X 24, 10 X 24 7 X 7, 12 X 7, 5 X 9 CPI 15.6, & 20.3 13.9 & 16.8 Print Columns 44 & 56 66 / 80 Print Line Width 72 mm (2.8 in.) 120 mm (4.7 in) Printing Speed Monochrome 59 LPS (180 mm/sec) Color 29.6 LPS (100 mm/sec) 4.
TECHNICAL DATA Printer Drivers Software Support OLE POS for Windows (OPOS), JavaPOS, RDI DOS, LRDI Thermal Paper Requirements Paper Type Direct Thermal, POS Grade(s) e.g. WN T55, special requirements for color printing Paper Roll (W x Dia.) 80 mm x 90 mm (3.15 in. x 3.5 in.) Impact Slip Forms Requirements Size 68 mm x 51 mm (2..68 in. x 2.0 in.) minimum front insertion Maximum Length 279.4 mm(11.00 in.) Number of Plies 1 - 5 ply multipart, max. 0.4 mm thick (0.016 in.
Herausgegeben von/Published by Wincor Nixdorf International GmbH D-33094 Paderborn
