Samsung SRP-250 User Manual
SRP-250
SERIES
1 STATION PRINTER
Operator’s Manual
All specifications are subjected to change without notice
Warning - U.S.
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. Operation of this equipment in a residential area is likely to cause
harmful interference in which case the user will be required to correct the interference at his
own expense.
Notice - Canada
This Apparatus complies with class “A” limits for radio interference as specified i n the
Canadian department of communications radio interference regulations.
Get appareil est conforme aux normes class “A” d’interference radio tel que specifier par
ministre canadien des communications dans les reglements d’interference radio.
Caution
Some semiconductor devices are easily damaged by static electricity. You should turn the
printer “OFF”, before you connect or remove the cables on the rear side, in order to guard the
printer against the static electricity. If the printer is damaged by the static electricity, you should
turn the printer “OFF”.
INTRODUCTION
The SRP-250 and SRP-250P 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 : 3.5 lines per seconds.
2. 2 color dot-matrix printer.
3. RS-232 serial interface (SRP-250). Parallel interface (SRP-250P)
4. The data buffer allows the unit to receive print data even during printing.
5. Peripheral units drive circuit enables control of external devices such as
cash drawer.
6. Characters can be scaled up to 64 times compared to it’s original size.
7. Bar code printing is possible by using a bar code command.
Please be sure to read the instruction in this manual carefully before using your new
SRP-250/SRP-250P.
8. Different print densities can be selected by DIP switches.
NOTE : The socket-outlet shall be near the equipment and it
shall be easy accessible.
Table of Contents
CHAPTER 1. UNPACKING ...................................................................3
1-1. CHECKING THE CONTENTS OF THE PRINTER BOX...............................3
1-2. LOCATING THE PRINTER .................................................................3
1-3. FUNCTIONS ..................................................................................4
CHAPTER 2. CONNECTING THE CABLES.........................................5
2-1. CONNECTING THE AC ADAPTER TO THE PRINTER..............................5
2-2. CONNECTING INTERFACE CABLE AND DRAWER
CABLE TO THE PRINTER ................................................................6
CHAPTER 3. INSTALLING THE ROLL PAPER...................................7
3-1. RIBBON CASSETTE INSTALLATION ...................................................7
3-2. ROLL PAPER INSTALLATION ............................................................8
CHAPTER 4. SETTING THE DIP SWITCHES....................................12
CHAPTER 5. HEXADECIMAL DUMPING...........................................15
CHAPTER 6. THE SELF TEST...........................................................16
CHAPTER 7. CODE TABLE...............................................................17
CHAPTER 8. CONTROL COMMANDS...............................................22
APPENDIX A ...................................................................................... 39
CONNECTORS ....................................................................................39
Interface Connector......................................................................40
Drawer Connector ........................................................................ 42
APPENDIX B ......................................................................................43
SPECIFICATION .................................................................................. 43
APPENDIX C ......................................................................................44
REMOVING JAMMED PAPER (A)............................................................44
REMOVING JAMMED PAPER (B)............................................................46
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Chapter 1. Unpacking
1-1. Checking the Contents of the printer box
After unpacking the unit, check that all the necessary accessories are included in the
package.
1-2. Locating the printer
l Avoid locations in direct sunlight or subject to excessive heat.
l Avoid using or storing the printer in the places subject to excessive moisture.
l Do not use or store the printer in a dusty or dirty area. Avoid places subject to
intense vibration or shock.
l Choose a stable and horizontal place for proper use of the printer.
l Make sure that there is enough space around the printer so that it can be used
easily.
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1-3. Functions
l The power switch is used to turn the printer on and off.
l The FEED button is used to feed roll paper.
l The POWER light (green) is on when the printer is turned on and is off when the
printer is turned off.
l The ERROR light (red) is on when the printer cover is opened.
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Chapter 2. Connecting the cables
2-1. Connecting the AC adapter to the printer
1). Make sure that the printer is turned off.
2). CHECK the label on the AC adapter to make sure the voltage required by the AC
adapter matches that of your electrical outlet.
3). Plug the DC cord connector into the printer’s power connector.
4). Plug the AC adapter power cord into the wall outlet.
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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.
1). Turn off the printer and the Host computer(POS/ECR).
2). Plug the serial interface cable connector into the printer’s interface connector, then
tighten the screws on both sides of the connector. In case of the parallel interface,
squeeze the wire clips on the printer together until they lock in place on both sides
of the connector.
3). Plug the drawer cable into the drawer kick-out connector on the back of the printer
next to the serial/parallel connector. Do not connect a telephone line to the drawer
kick-out connector; otherwise the printer and the telephone line may be damaged.
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Chapter 3. Installing the roll paper
3-1. Ribbon Cassette Installation
1). Before inserting the ribbon cassette, turn the knob counterclockwise to prevent
twisting the ribbon.
2). Insert the ribbon cassette as shown below and pay particular attention to the
placement of the ribbon behind the Print Head.
3). During inserting the ribbon cassette, turn the knob counterclockwise again to
make sure the ribbon moves freely in the cassette.
NOTE : Malfunctions and other problems may arise if other than the ribbon
cassette samsung supplied is used. Samsung does not warrant
against problems arising from the use of other than the ribbon
cassette samsung supplied
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3-2. Roll Paper Installation
Be sure to use roll paper that matches the printer's specifications.
1). Make sure that the printer has no received data. Otherwise, data may be lost.
2). Open the printer cover and remove the used paper roll core if there is one.
3). To use a new roll paper, unroll the paper and tear off the end of the paper correctly.
8
4). Insert the Shaft-Pulley into the hole of roll paper core and load the roll paper on
the paper holder. Don't forget to turn the printer's POWER on at this time.
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5). Insert the end of the roll paper straight into the paper inlet. The printer feeds
the paper automatically(All SRP-250 model) and then the printer will cut the paper
automatically(SRP-250C/CP and SRP-250D/DP only).
6). Tear off the paper as shown, if necessary.
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7). Insert the end of the roll paper into the groove on the Roller-Pulley and wrap
the paper around the spool two or three times.
8). Load the Roller-Pulley onto the groove of the Guide-Pulley.
9). Close the printer cover.
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Chapter 4. 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 :
1. Turn the printer power switch off.
2. Turn the printer over and remove the dip switch cover.
3. Flip the DIP switches using tweezers or another narrow-ended tool. Switches
are on when up and off when down in the figure below.
4. The new setting takes effect when you turn on the printer.
NOTE : Always change DIP switch settings when the printer is turned off. Changes made
with the power on have no effect until you turn the printer off and then on again.
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Serial Interface Specification
DIP Switch 1 Functions
SW
1 Data Receive Error Ignore
2 Hand Shaking XON/OFF DTR/DSR OFF
3 Word length 7 bits 8 bits OFF
4 Parity check Yes No OFF
5 Parity selection EVEN ODD OFF
6 OFF
7
8 Hexadecimal dump ON OFF OFF
FUNCTION ON OFF DEFAULT
Print ¡°?¡±
Baud Rate selection Refer to the following table
OFF
OFF
l NOTE : When the word length is 7 bits, you can not parity check OFF status.
Baud rate selection
Transmission speed SW – 6 SW – 7
1200 baud ON ON
2400 baud OFF ON
4800 baud ON OFF
9600 baud OFF OFF
DIP Switch 2 Functions
MODE SW – 1 SW – 2
Epson OFF OFF
Citizen ON OFF
Star OFF ON
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Parallel Interface Specification
Dip Switch Set Function
SW
1 Reserved OFF
2 Reserved OFF
3 Reserved OFF
4 Reserved OFF
5 Reserved OFF
6 OFF
7
8 Hex Dump ON OFF OFF
FUNCTION ON OFF DEFAULT
Mode Selection Refer to the following table
OFF
Mode Selection
MODE SW – 6 SW – 7
Epson OFF OFF
Star ON OFF
Citizen OFF ON
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