User’s Manual SRP-350 Thermal Printer Rev. 1.02 http://www.samsungminiprinters.
SRP-350 ■ Safety Precautions In using the present appliance, please keep the following safety regulations in order to prevent any hazard or material damage. WARNING Violating following instructions can cause serious injury or death. Do not plug several products in one multi-outlet. • • • • You must use only the supplied adapter. This can provoke over-heating and a fire. If the plug is wet or dirty, dry or wipe it before usage. If the plug does not fit perfectly with the outlet, do not plug in.
SRP-350 CAUTION Violating following instructions can cause slight wound or damage the appliance. If you observe a strange smoke, odor or noise from the printer, unplug it before taking following measures. Keep the desiccant out of children’s reach. • If not, they may eat it. • Switch off the printer and unplug the set from the mains. • After the disappearance of the smoke, call your dealer to repair it. TO UNPLUG PROHIBITED PRINTER Install the printer on the stable surface.
SRP-350 ■ Warning - U.S.A 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. These limits are designed to provide reasonable protection against harmful interference when the equipment is operated in a commercial environment. This equipment generates uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio communications.
SRP-350 ■ Introduction The SRP-350 Roll Printer are designed for use with electronic instruments such as system ECR, POS, banking equipment, computer peripheral equipment, etc. The main features of the printer are as follows: 1. High speed printing : 35.5(1/6” Feed) lines per second. 2. Low noise thermal printing. 3. RS-232 (IFA-S TYPE), Parallel (IFA-P TYPE), USB (IFA-U TYPE), Ethernet (IFA-E TYPE), RS-232 + USB (IFA-SU TYPE). 4. The data buffer allows the unit to receive print data even during printing.
SRP-350 ■ Table of Contents 1. Setting Up the Printer ................................................................................................... 7 1-1 Unpacking.................................................................................................................. 7 1-2 Connecting the Cables .............................................................................................. 8 1-2-1 Serial Interface (RS-232C) ......................................................................
SRP-350 1. Setting Up the Printer 1-1 Unpacking Your printer box should include these items. If any items are damaged or missing, please contact your dealer for assistance. SRP-350 Roll Paper Rev. 1.
SRP-350 1-2 Connecting the Cables You can connect up the three cables to the printer. They all connect to the connector panel on the back of the printer, which is shown below: ※ NOTE Before connecting any of the cables, make sure that both the printer and the host are turned off. 1-2-1 Serial Interface (RS-232C) IFA-S TYPE ON Drawer kick-out connector Interface connector Power supply connector ※ When the Dip Switch is “ON” on the Serial Interface Board, DTR and RTS are connected each other.
SRP-350 1-2-2 Serial Interface (RS-485) IFA-SF TYPE ON Drawer kick-out connector Interface connector Power supply connector ※ When the Dip Switch is “ON” on the Serial Interface Board, DTR and RTS are connected each other. PRINTER SIDE Pin No. 1 2 3 4 5 7 8 9 10 11 Rev. 1.
SRP-350 1-2-3 Parallel Interface (IEEE1284) IFA-P TYPE Drawer kick-out connector Interface connector Pin No. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19~30 31 32 33 34 35 36 Rev. 1.
SRP-350 1-2-4 USB Interface IFA-U TYPE USB Drawer kick-out connector USB connector Pin No. Shell 1 2 3 4 Signal Name Shield VBUS DD+ GND Assignment (Color) Drain Wire Red White Green Black Power supply connector Function Frame Ground Host Power Data Line(D-) Data Line(D+) Signal Ground 1-3 Connecting the Drawer ※ WARNING Use a drawer that matches the printer specification. Using an improper drawer may damage the drawer as well as the printer.
SRP-350 1-4 Setting the Dip Switches 1-4-1 Serial Interface SW 1 2 3 4 5 6 7 8 Function Auto Line Feed Reserved Handshaking Word length Parity check Parity selection Baud rate selection ON Always enabled XON/OFF 7 bits Yes EVEN OFF Always disabled DTR/DSR 8 bits No ODD Refer to the Following Table Default OFF OFF OFF OFF OFF OFF ON OFF DIP switch Setting 1 Function Transmission speed 9600 baud 19200 baud 38400 baud 57600 baud SW – 7 ON OFF ON OFF SW – 8 OFF OFF ON ON Baud Rate Selection SW 1 2 3
SRP-350 1-4-2 Parallel & USB Interface SW 1 2 3 4 5 6 7 8 Function Auto Line Feed Reserved Reserved Reserved Reserved Reserved Reserved Reserved SW 1 2 3 Function Emulation Internal bell control Auto Cutter Selection ON STAR Internal bell disable Disable 4 Busy Condition •Receive Buffer Full 5 6 7 8 Select Print Density ON OFF Always enabled Always disabled DIP switch Setting 1 Function OFF EPSON Internal bell enable Enable •Offline •Receive Buffer Full Refer to the Following Table Near End Sens
SRP-350 1-5 Installing or Replacing the Paper Roll ※ NOTE Be sure to use paper rolls that meet the specifications. Do not use paper rolls that have the paper glued to the core because the printer cannot detect the paper end correctly. 1-5-1 Make sure that the printer is not receiving data; otherwise, data may be lost. 1-5-2 Open the paper roll cover by pressing the cover-open button. ※ NOTE Do not open the print cover while the printer is operating. This may damage the printer.
SRP-350 1-5-5 Be sure to note the correct direction that the paper comes off the roll. 1-5-6 Pull out a small amount of paper, as shown. Then close the cover. ※ NOTE When closing the cover, press the center of printer cover firmly to prevent paper miss-loading. 1-5-7 Tear off the paper as shown. Rev. 1.
SRP-350 1-6 Adjustments and Settings The SRP-350 is set up at the factory to be appropriate for almost all users. It does, however, offer some settings for users with special requirements. It has DIP switches that allow you to change communication settings, such as handshaking and parity check, as well as print density. The SRP-350 also has a near-end sensor for the paper. This can give you a warning when the paper is almost out.
SRP-350 1-8 Connecting the computer You need an appropriate interface cable. 1-8-1 Plug the cable connector securely into the printer’s interface connector. 1-8-2 Tighten the screws on both sides of the cable connector. 1-8-3 Attach the other end of the cable to the computer. 1-9 Connecting the Power Supply ※ CAUTIONS When connecting or disconnecting the power supply from the printer, make sure that the power supply is not plugged into an electrical outlet.
SRP-350 2. Self Test The self-test checks whether the printer has any problems. If the printer does not function properly, contact your dealer. The self-test checks the following; 2-1 Make sure paper roll has been installed properly. 2-2 Turn on the power while holding down the FEED button. The self-test begins. 2-3 The self-test prints the current printer status, which provides the control ROM version and the DIP switch setting.
SRP-350 3. Hexadecimal Dumping This feature allows experienced users to see exactly what data is coming to the printer. This can be useful in finding software problems. When you turn on the hexadecimal dump function, the printer prints all commands and data in hexadecimal format along with a guide section to help you find specific commands. To use the hexadecimal dump function, follow these steps. 3-1 After you make sure that the printer is off, open the cover.
SRP-350 4. Specification Printing method Thermal line printing Dot density Printing width Paper width Characters per line (default) 180 X 180 dpi (7dots/mm) 72.192 ± 0.2mm 79 ~ 80 mm 42 (Font A) 56 (Font B) Printing speed 35.5 lines/sec(1/6” Feed) 150 mm/sec Receive Buffer Size 4K Bytes ※ NOTE : Printing speed may be slower, depending on the data transmission speed and the combination of control commands.
SRP-350 5. Appendix 5-1 Cleaning Printer Paper dust inside the printer may lower the print quality. In this case clean the printer as follows. 5-1-1 Open the printer cover and remove the paper if exists. 5-1-2 Clean the print head with a cotton swab moistened with alcohol solvent. 5-1-3 Clean the platen roller and paper end sensor with cotton swab moistened with water. 5-1-4 Insert a paper roll and close the printer cover.
