User's Manual SRP-270 Impact Printer Rev. 1.00 http://www.samsungminiprinters.
SRP-270 ■ 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-270 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-270 ■ 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 according to the instruction manual, may cause harmful interference to radio communications.
SRP-270 ■ Introduction The SRP-270 Roll Printers 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 : 4.6 lines per seconds. 2. 2 color dot-matrix printer. 3. RS-232C(SRP-270), RS-485 serial interface (SRP-270S), Parallel interface (SRP-270P),USB interface(SRP-270U). 4. The data buffer allows the unit to receive print data even during printing. 5.
SRP-270 ■ Table of Contents 1. Setting Up the Printer ................................................................................................... 7 1-1 Unpacking.................................................................................................................. 7 1-2 Installing the Printer ................................................................................................... 7 1-3 Functions ...................................................................................
SRP-270 1. Setting Up the Printer 1-1 Unpacking After unpacking the unit, check that all the necessary accessories are included in the package. Manual CD 1-2 Installing the Printer 1-2-1 Avoid locations in direct sunlight or subject to excessive heat. 1-2-2 Avoid using or storing the printer in places subject to excessive moisture. 1-2-3 Do not use or store the printer in a dusty or dirty area. Avoid places subject to intense vibration or shock.
SRP-270 1-3 Functions O The power switch is used to turn the printer on and off. O The FEED button is used to feed roll paper. O The POWER light (green) is on when the printer is turned on and is off when the printer is turned off. O The ERROR light (red) is on when the printer is in error state. O The Paper Out light(red) is on when the printer is in paper end. Rev. 1.
SRP-270 2. Connecting the cables 2-1 Connecting the AC adapter to the printer 2-1-1 Make sure that the printer is turned off. 2-1-2 CHECK the label on the AC adapter to make sure the voltage required by the AC adapter matches that of your electrical outlet. 2-1-3 Plug the DC cord connector into the printer’s power connector. 2-1-4 Plug the AC adapter power cord into the wall outlet. Rev. 1.
SRP-270 2-2 Connecting Interface Cable and Drawer Cable to the printer Connect the Host Computer(POS/ECR) to the printer using an interface cable that matches the specifications of the printer and the Host computer(POS/ECR). Be sure to use a drawer that matches the printer's specification. - Turn off both the printer and the Host computer(POS/ECR). - Plug the serial interface cable connector into the printer’s interface connector, then tighten the screws on both sides of the connector.
SRP-270 2-2-1 Serial Interface (RS-232C) ON RS-232 Ver.2 Interface Connector Drawer kick-out connector Power supply connector ※ When the Dip Switch is “ON” on the Serial Interface Board, DTR and RTS are connected each other. Host Side (25Р) Printer Side (25Р) (Shield.G) Rev. 1.00 Host Side (9Р) (Shield.G) (Shield.G) (Shield.G) (S.GND) Pin No. 1 2 3 4 5 6 7 20 Printer Side (25Р) (S.GND) Signal name FG TxD RxD RTS CTS DSR SG DTR (S.
SRP-270 2-2-2 Serial Interface (RS-485) ON RS-232 Ver.2 Interface Connector Drawer kick-out connector Power supply connector ※ When the Dip Switch is “ON” on the Serial Interface Board, DTR and RTS are connected each other. Host Side Printer Side Pin No. 1 2 3 4 5 7 8 9 10 11 Rev. 1.
SRP-270 2-2-3 Parallel Interface (IEEE1284) PARALLEL Ver.2 Interface Connector Pin No. Source 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 Host Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Host / Printer Printer Printer Printer Printer Host Printer Host Printer Printer Printer Host Rev. 1.
SRP-270 2-2-4 USB Interface Ver.2 USB USB Connector Pin No. Shell 1 2 3 4 Signal Name Shield VBUS DD+ GND Drawer kick-out connector Assignment (Color) Drain Wire Red White Green Black Power supply connector Function Frame Ground Host Power Data Line(D-) Data Line(D+) Signal Ground 2-2-5 Drawer Connector Pin No. 1 2 3 4 5 6 Rev. 1.
SRP-270 3. Setting the Dip Switches The DIP switches are located on the bottom of the printer. The DIP switches are used to set the printer to perform various functions. Follow these steps when changing DIP switch settings. - Turn the printer power switch off. - Turn the printer over and remove the dip switch cover. - Move the DIP switches using tweezers or another narrow-ended tool. Switches are on when up and off when down in the figure below. - The new setting takes effect when you turn on the printer.
SRP-270 3-1 Serial Interface SW 1 2 3 4 5 6 7 8 FUNCTION Emulation Selection Auto-Cutter FONT SPACE Function for Service Engineer Buffer size 40Bytes DIP switch Setting 1 Function SW – 1 OFF OFF ON SW 1 2 3 4 5 6 7 8 ON OFF Refer to the following table Enable Disable 2 3 4KBytes SW – 2 OFF ON OFF Emulation Selection SW – 7 ON OFF ON OFF Baud Rate selection ※ NOTE When the word length is 7 bits, you can not parity check OFF status. Rev. 1.
SRP-270 3-2 Parallel / USB Interface SW 1 2 3 4 5 6 7 8 SW – 1 OFF OFF ON SW 1 2 3 4 5 6 7 8 Rev. 1.
SRP-270 4. Ribbon Cassette Installation 4-1 Before inserting the ribbon cassette, turn the knob clockwise to prevent twisting the ribbon. 4-2 Insert the ribbon cassette as shown below and pay particular attention to the placement of the ribbon behind the Print Head. 4-3 During inserting the ribbon cassette, turn the knob clockwise again to make sure the ribbon moves freely in the cassette. ※ NOTE Malfunctions and other problems may arise if other than specified ribbon cassettes are used in the printer.
SRP-270 5. Roll Paper Installation Be sure to use roll paper that matches the printer's specifications. 5-1 When possible, make sure that the printer has no un-printed data. This data may be lost. 5-2 Open the printer cover and remove the used paper roll core if there is one. - SRP-270 A/C : 1Ply Paper - SRP-270 D : 2Ply Paper 5-3 To use a new roll paper, unroll the paper and tear off the end of the paper correctly. Rev. 1.
SRP-270 5-4 Put the roll paper on the paper holder and insert the paper in the printer. - SRP-270 A/C : 1Ply Paper - SRP-270 D : 2Ply Paper Rev. 1.
SRP-270 5-5 Insert the end of the roll paper straight into the paper inlet. The printer feeds the paper automatically and then the printer will cut the paper automatically(SRP-270C type series and SRP-270D type series). Refer to the attached label inside the cover. 5-6 Tear off the paper as shown, if necessary. Rev. 1.
SRP-270 5-7 Insert the end of the roll paper into the groove on the Roller-Pulley, warp the paper around it two or three times and load the Roller-Pulley onto the groove of the Case. 5-8 Push the auto-cutter cover as shown below and close the printer cover. ※ NOTE Push upper face of the auto cutter cover for completely locking of it. 5-9 When the ERROR light is on and PAPER OUT light blinks, please press the FEED button. After that, the printer is ready for printing. Rev. 1.
SRP-270 6. Removing Jammed Paper 6-1 Open the printer cover. 6-2 Raise the auto cutter unit by lifting the knob lock. 6-3 Remove the ribbon cassette. 6-4 Loosen the manual screw. 6-5 Remove the head cover. ※ CAUTION The printer head becomes very hot during printing. Allow it to be cool before you reach into the printer. Rev. 1.
SRP-270 6-6 Move the print head carriage to the reverse direction of paper jam. By pushing on the side of the print head as shown in the illustration. 6-7 Remove the jammed paper by rotating the paper-feed knob. 6-8 Replace the head cover and secure it with screw. 6-9 Replace the ribbon cassette and roll paper, then close the printer cover. Rev. 1.
SRP-270 ※ NOTE If you are troubled with reloading the paper, the cutter blade may not be in its normal position. Insert a screw driver into the hole at the bottom side of auto cutter unit as shown followed picture, and turn the gear inside the cutter unit to move the cutter blade to its normal position. Rev. 1.
SRP-270 7. Self Test The self-test checks whether the printer has any problems. If the printer does not function properly, contact your dealer. 7-1 Make sure paper roll has been installed properly. 7-2 Turn on the power while holding down the FEED button. The self-test begins. 7-3 The self-test prints the current printer status, which provides the control ROM version and the DIP switch setting.
SRP-270 8. 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. 8-1 After you make sure that the printer is off. 8-2 Set DIP switch 2-2 On.
SRP-270 9. Specification Printer Ribbon Paper Adapter Auto Cutter ETC Rev. 1.00 Printing method Number of head pin Printing direction Lines per second Characters per line Ribbon type Color Ribbon life Serial impact dot matrix 9 wires Bi-directional Approx. 4.6 LPS 40 (9*7), 33(9*9) Cartridge type (ERC-38 Black/Red) Black & Red Approx. Black : 1.5 Million characters Red : 0.75 Million characters Paper type Roll paper Paper width W76mm ± 0.5mm (2.99" ± 0.22") Roll diameter Max. φ80mm (3.
