Symbol Technologies LA4137 Portable Network Printer w/ WLAN PC Card Module User Manual 2
Symbol Technologies Inc Portable Network Printer w/ WLAN PC Card Module Users Manual 2
Contents
Users Manual 2
Cable Communications A CAUTION. The power should be turned off before connecting or disconnecting the communications cable. AII QL 320 printers can communicate by cable; the specific ca- ble supplied with your printer will vary with the host terminal. The 8- pin circular connector on your communications cable plugs into the serial communications port on the side of the QL 320 printer. It is keyed to assure correct alignment; do not try to force it if it does not plug in The other end of the cable must be plugged into the host terminal as shown in Figure 10, or to a serial port on a computer (Figure 11.) Communications between the terminal and the printer are controlled by the applications running on the termi- nal and the printer. QL 320 Communications Port Communications Cable in Terminal Part number varies. Refer to AppendixA. FIGURE 10 Serial Communications Cable in Computer Refer to Appendix A for part numbers. l " _ l r . FIGURE 1,717? QL 320 User's Guide 19 IR Communications Printers equipped for infrared (IR) communications are identified by a small “IR" logo on the unit's label. IR allows wireless commu» nications between the printer and the host terminal, IR units can also communicate with a cable as detailed above, however, IR functions are disabled when the cable is plugged in. QL 320 units with the IR option can be configured to conform to the standard IrDA communications protocol Linking a Printer to an IrDA Host IrDA compliant terminals will automatically initiate communica- tions to the printer, First insure that there is a direct line of sight between the printer and the terminal that will be sending data. The IR window on the front of the QL 320 must face the corresponding window on the terminal to properly send and receive signals, An IrDA compliant terminal will seek out any Iinkable devices and es- tablish communications between them, even turning the printer on if necessary. 1M we") Area of IR Window FIGURE 12 20 QL 320 User's Guide SRRF Communications Both the printer and the device it communicates with must follow either the Bluetooth standard or Zebra's proprietary SRRF proto- col. The communications protocol is determined by the specific QuickLink module installed in the printer. Printers equipped for short range radio frequency communica- tions (SRRF) allow wireless communication with their host termi- nals from any direction. Reliable transmission distances will vary but usually exceed 1m. (39”) under worst conditions. SRRF print— ers can be identified by reading the printer's model number label on the front of the unit, which will show the radio module's identifi- cation number and/or its operating frequency. QL 320 printers equipped with a Bluetooth wireless module will have the Bluetooth logo on the model number label. Zebra SRRF Network Overview Zebra’s short range RF network operates as a collection of linked pairs of terminals and printers. There is no base station or centralized control: control of the network is distributed across the entire network. Before SRRF operation can begin, the QL 320 must be “linked" to a terminal with a compatible short-range radio. Linking means that addresses are exchanged between the terminal and the print— er. Once linked, the terminal and the printer become a “linked pair“ and communicate exclusively with each other. The terminal and the printer can be turned on and off without affecting the link; it re- mains valid until another link is deliberately created. Thus it is not necessary to perform a link every time that the equipment is used. So long as the linked pair is kept together, they remain linked in- definitely. if the linked pair is not stored together, then the terminal and printer selected should be linked prior to use. Multiple linked pairs can be operated in close quarters and each terminal will only communicate with its linked printer. Each SRRF radio module has a unique device address (terminal or printer), based on the device serial number. Linking From the Terminal to the Printer The linking operation can be activated from either the terminal or the printer. If the terminal has a scanner available, then the bar- ooded serial number on the back of every printer can be scanned and used to establish the printer’s unique address. Once the print— er's address is established, the terminal can then initiate a link to that printer. If no scanner is available the user can manually enter QL 320 User's Guide 21 the serial number of the printer; however, this method is not rec- ommended. The terminal can only capture the desired printer us— ing this type of link. The terminal must be programmed to guide the user through scanning the printer serial number bar-code, then execute an al- gorithm which converts the serial number into an address. Zebra can provide C source code to licensed OEM customers that han— dles the conversion from serial number to address. Linking From the Printer to the Terminal When no scanner is available, and/or no additional software is to be written for the terminal, then the linking operation can be ini— tiated solely by the printer. in this procedure the printer broadcasts a message seeking an available terminal. If a terminal “hears" the broadcast and is avail- able, it will respond by linking to the printer. To insure a secure link, the user must perform the link operation far enough away from other operating terminals so that the printer does not inadvertently capture some other user’s terminal. Any other terminal that hears the broadcast message from the printer may try to link to it, therefore you should insure that only one ter— minal is within broadcast range Feedback is available from the printer as to the outcome of the link operation. 22 QL 320 User's Guide BluetoothW' Networking Overview A Exposure to Radio Frequency Radiation The radiated output power of this internal wireless radio is far below the FCC radio frequency exposure limits. Nevertheless, this Bluetooth radio must be used in such a manner that the antenna is 2.5 cm or further from the human body. The radio and antenna are mounted internally in this printer in such a way that, when the printer is used in a standard configuration (belt clip, soft case, shoulder strap), the 2.5 cm distance from the users body will be met. Do not use the printer in an unauthorized manner. The internal wireless radio operates within guidelines found in radio frequency safety standards and recommendations. The level of energy emitted is far less than the electromagnetic energy emitted by wireless devices such as mobile phones. “Bluetooth” is a worldwide standard for the exchange of data be- tween two devices via radio frequencies. Blue-tooth radios are rel- atively low powered to help prevent interference with other devices running at similar radio frequencies. This limits the range of a Bluetooth device to about 10 meters (about 32 feet). In order to exchange data, two Bluetooth enabled devices must establish a connection. Bluetooth software is always running in the background, ready to respond to connection requests. One device (known as the masteror the client) must request a connec— tion with another. The second device (the slave or the server) then accepts or rejects the connection. A Bluetooth enabled QL 320 will normally act as a slave, but in theory any Bluetooth de~ vice can be either a master or a slave. This miniature network is sometimes referred to as a “piconet” and can consist of several Bluetooth enabled devices. Each Bluetooth QL 320 has a unique Bluetooth Device Address (BDA) loaded into its Quick Link module when manufactured. A Typical Bluetooth Connection Sequence In this simplified sequence “Joe's Terminal" is a Bluetooth ready hand held terminal running an application that needs access to a printer. 1. Joe's Terminal performs a search of its “piccnet” (a Device In— QL 320 User's Guide 23 quiry) and determines that there are four Bluetooth devices in the vicinity. 2. Joe’s Terminal queries each of the four nearby devices to de— termine which services they provide (a Service Discovery). The Bluetooth enabled QL 320 “Sandy’s Printer" offers the printing ser— VICE. 3. Joe’s Terminal sends a print connection request to Sandy’s Printer. 4. Sandy’s Printer evaluates the request and determines that Joe's Terminal is permitted to use the print service, but only iflhe Correct password is submitted. 5. Sandy's Printer queries Joe's Terminal for the password (Au— thentication). 6. Joe’s Terminal returns the correct password and the print con- nection is established. 7. After Joe's Terminal is finished printing it disconnects with Sandy's Printer. (Some Bluetooth services disconnect automati— cally, others must be closed manually.) There are several layers of security in the Bluetooth system, so this sequence may not be a completely accurate representation of how your printer may function in a Bluetooth environment. For the most part, communications using the Bluetooth protocol are initi- ated and processed without any operator intervention. much like the IrDA system described previously. 24 QL 320 User's Guide Wireless Local Area Network (WLAN) WARNING: Use of the QL 320 will result in exposure to Radio Frequency radiation. To conform to FCC RF exposure requirements the printer must be used only in the intended orientation and in the intended manner. Printers equipped for Wireless Local Area Network (WLAN) communications using the industry standard 802.11 or 802.11b protocols are known as QL 320N Printers. These printers allow wireless communication as a node within a local area network, and its wireless capabilities allow communications from any point within the LAN’s perimeter. Methods of establishing communica- tions to the CL 320 will vary with each LAN application QL 320N printers can be identified the model number on the front of the unit. The QL 320N is designed for use with either a shoulder strap and a specially designed soft case, or with a belt clip. The printer should be oriented on the operator’s hip so that printed material is transported away from the operator When the QL 320N is used as designed, either the printer’s soft case or the belt clip will allow use of the printer in the manner mandated by the FCC. QL 320 Users Guide 25 Setting Up the Software The QL 320 uses Zebra's CPL Programming language which was designed for mobile printing applications. CPL is fully de— scribed in the Mobile Printing Systems Programming Manual, which is available in Portable Document Format (pdf) on-line at Zebra's website You can also use Label Vista”, Zebra’s WindowsTM based label creation program which uses a graphical interface to create and edit labels in the CPL language Label Vista is available either on— Iine at Zebra’s website, or on a CD (part number AC15065-1), The QL 320 with its optional memory upgrade can support an interpreter for ZPL ll®, the programming language used by Zebra desktop printers To use ZPL II, refer to the ZPL ll Programming Guide. If you choose to use a third party label preparation system, follow the installation instructions included in the package. 26 (AL 320 User’s Guide Adjustable Shoulder Strap Refer to Figure 14, below Snap each end of the shoulder strap into the “D" rings in the top of the printer Slide the buckle away from or towards the printer until you achieve the desired length. Pull Strap here Full Strap here to lengthen in shorter! Snap m m “D” rings on printer FIGURE 14 QL 320 User's Guide 27 Belt Clip if the QL 320 is equipped with a belt clip. hook the clip over your belt, and ensure that the clip is securely attached to the bell. The belt clip will pivot to allow you to move freely while wearing the printer. Dress cables through [his slot Clip primer m belt Printer can plvul freely FIGURE 15 28 QL 320 User’s Guide Preventive Maintenance A WARNING: To avoid possible personal injury or damage to the printer, never insert any pointed or sharp objects into the printer. Extending Battery Life Never expose the battery to direct sunlight or temperatures over 104° F (40° C) - Always use a Zebra charger designed specifically for Li— thium—Ion batteries. Use of any other kind of charger may damage the battery - Choose the media that is easiest to “burn." An authorized Zebra re-seller can help you determine the optimum media for your application - If you print the same text or graphic on every label, consid- er using a pre-printed label. - Choose the correct print darkness, and print speed for your media. - Use software handshaking (XON/XOFF) whenever possi- ble. - Select Tear-Off mode whenever possible (Peel-Off mode uses more power). - If your printer has the optional LCD display: Use the display backlight only when necessary. Turn it off whenever it is not needed. The LCD backlight consumes a great deal of pow- er. - Pull the battery out of the printer if the printer won’t be used for a day or more and you’re not performing a maintenance charger ~ Consider purchasing an extra battery. ~ Remember that any rechargeable battery will lose its ability to maintain a charge over time, It can only be recharged a finite number of times before it must be replaced. QL 320 Users Guide 29 Label , Presence Peeler Ba! Rollers Sensar \ Tear Bar\¢ I f// Prinrhead Elements Bar Sensor Gap Sensor Peeler Ear FlGURE 16 30 QL 320 User's Guide Cleaning A CAUTION.- Use only the cleaning agents indicated. Zebra Technologies Corporation will not be responsible for damage caused by any other cleaning materials used on this printer. Never use any sharp objects on the printer mechanism as it could damage the print head. Use only the cleaning pen supplied with the printer or a cotton swab saturated with alcohol for cleaning the printer. Use the supplied cleaning pen or 70% lsopropyl alcohol on a ootton swab to clean the print elements from end to end (the print elements are located in Prinlhead the thin gray llne on the prlntheao). (Figure 16) lfprint quality has not improved after performing this procedure, try cleaning the print/"lead with 5 Cleaning Pad. This specially prepared material removes contamination buildup Without demaglng the printhead. Refer to Appendix 0 for more information. After every five rolls cl media (or more often. if needed) Linerless media requires more frequent cleaning. Pee, bar Clean thoroughly with the cleaning pen (Figure 16) or 7070 isopropyl alcohol and a cotton As needed QL 32!) User's Guide 31 Troub e oot ng Standard Control Panel If the printer is not functioning properly, refer to the chart below to find the state of the two LEDs on the Control Panel. Then refer to the Troubleshooting topic referenced in the chart to resolve the problem. Green LED Yellow LED Indication Ref. toTopic Steady on Normal Operation, n/a arid/or RF Link established ‘Ofl Powe icifi‘ Fast Blink N0 RF Link » W's-fli- amid Steady Out of media, or Media Cover not closed slow Blink . Steady" ‘ astBIink Noflngl RF Wan. s . amiii’éfl at Steady Fast Blink. N0 application Beeper Sounds Optional LCD Control Panel The top of the display shows several icons which indicate vari— ous printer functions. Check the indicator status, then refer to the Troubleshooting topic referenced in the chart to resolve the prob- lem. N0 RF Link Flashing ‘ Flashing ' Flashing 32 QL 320 Users Guide Troubleshooting Topics 1. No power ~ Check that battery is installed properly - Recharge or replace battery as necessary. 2. Media does not feed: ~ Be sure print head is closed and latched. . Check spindle holding media for any binding. - Ifunit is equipped with label presence sensor: Insure most recently printed label is removed. Also insure label sensor is not blocked. 3. Poor or faded print or III! flashing: ' Clean print head. - Check battery and recharge or replace as necessary ' Check quality of media. 4. Partial/missing print: - Check media alignment - Clean print head. - Insure printhead is properly closed and latched, 5. Garbled print: - Check baud rate. 6. No print: - Check baud rate ~ Replace battery - Check cable to terminal ~ Establish RF Link (Wireless units only) or restore LAN associativity (QL 320N models only) - invalid label format or command structure 7 put printer in Communications Diagnostic (Hex Dump) Mode to diagnose problem. 7. Reduced battery life ' Check battery date code — if battery is one to two years old, short life may be due to normal aging. - Recondition battery. - Replace battery. 8. Yellow error light or B flashing: ~ No application or application corrupted: reload program. - If using wireless communications: flashing indicator is normal while data is being transmitted or received. continued an next page QL 320 User's Guide 33 9. Yellow error light always on, or B flashing: - Check media is loaded and print head is closed and securely latched. 10. Skips labels: ~ Check media for top of form sense mark or label gap. - Check that the maximum print field has not been exceeded on label. - lnsure bar/ or gap sensor is not blocked or malfunctioning 11. Communication Error: ' Check media is loaded, head is closed and error light is off. - Check baud rate. ~ Replace cable to terminal. 12. Label Jam: - Open head release latch and media cover. ~ Generously apply aloohol to printer in area of jammed label. 13. Blank LCD Screen (only for units with optional LCD control panel) ~ No application loaded or application corrupted: reload program. Troubleshooting Tests Printing a Configuration Label To print out a listing of the printer’s current configuration follow these steps: 1.Turn the printer off, Load the media compartment with jour- nal media (media with no black bars printed on the back) 2. Press and hold the Feed Button. 3. Press and release the Power button and keep the Feed but— ton pressed. When printing starts, release the Feed button. The printer will generate a configuration label as shown on Fig- ures 17 and 17a: 34 CL 320 User's Guide Sample Configuration Label Print Head Test zmumm mm was“; on: rm "maul“: mlflifi 1")! main: am.“ ma «ma w an am am— men In zn-mwuv 7mm: 3» an “- Nwerv shot-am: an {MWNWHA ———————————— um 0L an thrfi Silt-361 lulu Human: 1: mm mama an .— End ufFirstRspurt Unit Serial Number mix-4 pplicatian Number wetthi.m.lm.fl1 us can» cummmnnm: “It. 95. NJ»! “mmzmmwv i z a Vlhvlmfiammunlndem: Repun appears on! on human: y units with wireless options m we , m: m mama WSW“?- . «an. s Units With nu Wlleless m'mmmm', aplr'ons will prim an empty xvv-cmnzy film m w line and resume the repan. mummy film at“! Peripherals installed: In (his example the LCD display option is nu! installed, FIGURE 7 7 ca ed on next gags QL 320 Users Guide 35
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