BIXOLON SRP-370 - Two-color Direct Thermal Printer User manual

User’s Manual
SRP-370/372 Ver.2
Thermal Printer
Rev. 2.02
http://www.samsungminiprinters.com

Rev. 2.02 - 2 -
SRP-370/372 Ver.2
■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 bend the cable by force or leave it under any
heavy object.
• A damaged cable can cause a fire.
Do not plug in or unplug with your hands wet.
•You can be electrocuted.
Keep the plastic bag out of children’s reach.
•If not, a child may put the bag on his head.
Do not pull the cable to unplug.
•This can damage the cable, which is the origin of a fire or a
breakdown of the printer.
You must use only the supplied adapter.
•It is dangerous to use other adapters.
Do not plug several products in one multi-outlet.
• 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.
•Be sure to use only standardized multi-outlets.
PROHIBITED
PROHIBITED PROHIBITED
PROHIBITED PROHIBITED
ONLY SUPPLIED ADAPTER
PROHIBITED

Rev. 2.02 - 3 -
SRP-370/372 Ver.2
CAUTION
Violating following instructions can cause slight wound or damage the appliance.
Do not use the printer when it is out of order. This
can cause a fire or an electrocution.
•Switch off and unplug the printer before calling your dealer.
Do not let water or other foreign objects in the
printer.
•If this happened, switch off and unplug the printer before
calling your dealer.
Use only approved accessories and do not try to
disassemble, repair or remodel it for yourself.
•Call your dealer when you need these services.
• Do not touch the blade of auto cutter.
Install the printer on the stable surface.
•If the printer falls down, it can be broken and you can hurt
yourself.
Keep the desiccant out of children’s reach.
•If not, they may eat it.
If you observe a strange smoke, odor or noise from
the printer, unplug it before taking following
measures.
• 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
DISASSEMBLING
PROHIBITED
PROHIBITED
PROHIBITED
TO UNPLUG
PRINTER
PRINTER
PRINTER
PRINTER
DEALER
PRINTER

Rev. 2.02 - 4 -
SRP-370/372 Ver.2
■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. 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 in 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”.
■Waste Electrical and Electric Equipment (WEEE)
This marking shown on the product or its literature, indicates that is should not
be disposed with other household wastes at the end of its working life, To
prevent possible harm to the environment or human health from uncontrolled
waste disposal, please separate this from other types of wastes and recycle it
responsibly to promote the sustainable reuse of material resources. Household
users should contact either the retailer where they purchased this product, or
their local government office, for details of where and how they can take this item for
environmentally safe recycling. Business users should contact their supplier and check the
terms and conditions of the purchase contract. This product should not be mixed with other
commercial wastes for disposal.
■Label Material
* Control Label: PC
* Other Labels: PET

Rev. 2.02 - 5 -
SRP-370/372 Ver.2
■Introduction
The SRP-370/372 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 : 47/52 (1/6” Feed) lines per second.
2. Low noise thermal printing.
3. RS-232, Parallel, USB
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.
8. Different print densities can be selected by DIP switches.
Please be sure to read the instruction in this manual carefully before using your
new SRP-370/372.
※NOTE
The socket-outlet shall be near the equipment and it shall be easy accessible.
※All specifications are subjected to change without notice.

Rev. 2.02 - 6 -
SRP-370/372 Ver.2
■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) ............................................................................8
1-2-2 Parallel Interface (IEEE1284)........................................................................9
1-2-3 USB Interface.............................................................................................. 10
1-3 Connecting the Drawer............................................................................................10
1-4 Setting the Dip Switches..........................................................................................11
1-4-1 Serial Interface .............................................................................................11
1-4-2 Parallel & USB Interface..............................................................................12
1-4-3 Auto Cutter Enable / Disable selection ........................................................12
1-5 Setting the Memory Switches.................................................................................. 13
1-6 Installing or Replacing the Paper Roll......................................................................15
1-7 Adjustments and Settings........................................................................................17
1-8 Using the Printer......................................................................................................18
1-9 Connecting the computer.........................................................................................18
1-10 Connecting the Power Supply ...............................................................................19
2. Self Test....................................................................................................................... 20
3. Hexadecimal Dumping ...............................................................................................21
4. Specification ............................................................................................................... 22
5. Appendix .....................................................................................................................23
5-1 Cleaning Printer.......................................................................................................23

Rev. 2.02 - 7 -
SRP-370/372 Ver.2
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-370/372 Cover Cable CD
Roll Paper Manual AC Adapter Power Cord

Rev. 2.02 - 8 -
SRP-370/372 Ver.2
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)
RS-232
POWER DK
ON
※When the Dip Switch is “ON” on the Serial Interface Board,
DTR and RTS are connected each other.
Pin No. Signal name Direction Function
1 FG - Frame Ground
2 TxD Output Transmit Data
3 RxD Input Receive Data
4 RTS Output Ready To Send
5 CTS Input Clear To Send
6 DSR Input Data Set Ready
7 SG - Signal Ground
20 DTR Output Data Terminal Ready
Drawer kick-out
connector
Power supply
connector Interface connector
PRINTER
SIDE (25P) HOST SIDE (25P) PRINTER SIDE (25P) HOST SIDE (9P)

Rev. 2.02 - 9 -
SRP-370/372 Ver.2
1-2-2 Parallel Interface (IEEE1284)
POWER DK
PARALLEL
Pin No. Source Compatibility Mode Nibble Mode Byte Mode
1 Host nStrobe HostClk HostClk
2 Host / Printer Data 0 (LSB) - Data 0 (LSB)
3 Host / Printer Data 1 - Data 1
4 Host / Printer Data 2 - Data 2
5 Host / Printer Data 3 - Data 3
6 Host / Printer Data 4 - Data 4
7 Host / Printer Data 5 - Data 5
8 Host / Printer Data 6 - Data 6
9 Host / Printer Data 7 (MSB) - Data 7 (MSB)
10 Printer nAck PtrClk PtrClk
11 Printer Busy PtrBusy /Data3,7 PtrBusy
12 Printer Perror AckDataReq/Data2,6 AckDataReq
13 Printer Select Xflag /Data1,5 Xflag
14 Host nAutoFd HostBusy HostBusy
15 NC NC NC
16 GND GND GND
17 FG FG FG
18 Printer Logic-H Logic-H Logic-H
19~30 GND GND GND
31 Host nInit nInit nInit
32 Printer nFault nDataAvail /Data0,4 nDataAvail
33 GND ND ND
34 Printer DK_Status ND ND
35 Printer +5V ND ND
36 Host nSelectIn 1284-Active 1284-Active
Drawer kick-out
connector
Power supply
connector Interface connector

Rev. 2.02 - 10 -
SRP-370/372 Ver.2
1-2-3 USB Interface
POWER DK
USB
Pin No. Signal Name Assignment (Color) Function
Shell Shield Drain Wire Frame Ground
1 VBUS Red Host Power
2 D- White Data Line(D-)
3 D+ Green Data Line(D+)
4 GND Black 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.
※CAUTION
Do not connect a telephone line to the drawer kick-out connector; otherwise the printer and
the telephone line may be damaged.
Plug the drawer cable into the drawer kick-out connector on the back of the printer next to
the power supply connector.
Pin No. Signal name Direction
1 Frame ground -
2 Drawer kick- out drive signal 1 Output
3 Drawer open/close signal Input
4 +24V -
5 Drawer kick- out drive signal 2 Output
6 Signal ground -
Drawer kick-out
connector
Power supply
connector USB connector

Rev. 2.02 - 11 -
SRP-370/372 Ver.2
1-4 Setting the Dip Switches
1-4-1 Serial Interface
Switch No. Function ON OFF Default
SW1-1 ON
SW1-2 Baud Rate Selection * Refer to below Table ON
SW1-3 Handshaking Software
(Xon/Xoff) Hardware (DTR/DSR) OFF
SW1-4 Reserved -- OFF
SW1-5 Cutter Function Disable Enable OFF
SW1-6 Paper 2 Color Mono OFF
SW1-7 Reserved -- OFF
SW1-8 Reserved -- ON
DIP switch Setting 1 Function
SW1-1 SW1-2 Trans- Speed Remark
OFF OFF 9600 Baud
ON OFF 19200 Baud
OFF ON 38400 Baud
ON ON 115200 Baud Default
Baud Rate Selection
Switch No. Function ON OFF Default
SW2-1 OFF
SW2-2 OFF
SW2-3 Select Print Density * Refer to below Table OFF
SW2-4 Historical Control Enable Disable OFF
SW2-5 Reserved -- OFF
SW2-6 Interface Condition
Selection by Memory Switch by DIP Switch OFF
SW2-7 Near End Sensor Status Disable Enable OFF
SW2-8 Printing width 2” Printing 3” Printing OFF
DIP switch Setting 2 Function
SW 2-1 SW 2-2 SW 2-3 Print Density Remark
ON ON ON 130%
OFF ON ON 120%
ON OFF ON 110%
OFF OFF ON 105%
OFF OFF OFF 100% Default
ON OFF OFF 95%
OFF ON OFF 90%
ON ON OFF 80%
Select Print Density

Rev. 2.02 - 12 -
SRP-370/372 Ver.2
1-4-2 Parallel & USB Interface
Switch No. Function ON OFF Default
SW2-1 OFF
SW2-2 OFF
SW2-3 Select Print Density * Refer to below Table OFF
SW2-4 Historical Control Enable Disable OFF
SW2-5 Reserved -- OFF
SW2-6 Interface Condition
Selection by Memory Switch by DIP Switch OFF
SW2-7 Near End Sensor Status Disable Enable OFF
SW2-8 Printing width 2” Printing 3” Printing OFF
DIP switch Setting 2 Function
SW 2-1 SW 2-2 SW 2-3 Print Density Remark
ON ON ON 130%
OFF ON ON 120%
ON OFF ON 110%
OFF OFF ON 105%
OFF OFF OFF 100% Default
ON OFF OFF 95%
OFF ON OFF 90%
ON ON OFF 80%
Select Print Density
1-4-3 Auto Cutter Enable / Disable selection
Dip Switch Set 1
SW 5 ON Auto Cutter Disabled
Application Ignores Auto Cutter error for continuous printing.

Rev. 2.02 - 13 -
SRP-370/372 Ver.2
1-5 Setting the Memory Switches
This printer has “Memory Switch” set which is software switches. Memory Switch set has
“MSW1”, “MSW2”, “MSW8”, “MSW9” “Customize value”, “Serial communication condition”.
“Memory Switch setting utility” can change the Memory Switch set to ON or OFF as shown
in the table below (default : all OFF) :
※NOTE
The Memory Switch is available to be changed by three methods :
- Memory Switch setting utility.
- Control from ESC/POS command.
Settings of the Memory Switch are stored in the NV memory : therefore, even if the printer
is turned off, the settings are maintained.
MSW1
Switch Function ON OFF
1~3 Reserved -- Fixed to OFF
4 Cutting + Internal Bell
(Kitchen Printer) Enable Disable
5 Auto Line Feed Enable Disable
6~8 Reserved -- Fixed to OFF
MSW2
Switch Function ON OFF
1 Font Selection Font B (9 x 24) Font A (12 x 24)
2 Auto Cutter Function Full Cutting Partial Cutting
3~8 Code Page Selection Refer to following Table

Rev. 2.02 - 14 -
SRP-370/372 Ver.2
MSW2-8 MSW2-7 MSW2-6 MSW2-5 MSW2-4 MSW2-3Character Table
OFF OFF OFF OFF OFF OFF Page 0 437 (USA, Standard Europe)
OFF OFF OFF OFF ON OFF Page 1 Katakana
OFF OFF OFF ON OFF OFF Page 2 850 (Multilingual)
OFF OFF OFF ON ON OFF Page 3 860 (Portuguese)
OFF OFF ON OFF OFF OFF Page 4 863 (Canadian-French)
OFF OFF ON OFF ON OFF Page 5 865 (Nordic)
OFF OFF ON ON OFF OFF Page 16 1252 (Latin I)
OFF OFF ON ON ON OFF Page 17 866 (Cyrillic #2)
OFF ON OFF OFF OFF OFF Page 18 852 (Latin 2)
OFF ON OFF OFF ON OFF Page 19 858 (Euro)
OFF ON OFF ON OFF OFF Page 21 862 (Hebrew DOS code)
OFF ON OFF ON ON OFF Page 22 864 (Arabic)
OFF ON ON OFF OFF OFF Page 23 Thai42
OFF ON ON OFF ON OFF Page 24 1253 (Greek)
OFF ON ON ON OFF OFF Page 25 1254 (Turkish)
OFF ON ON ON ON OFF Page 26 1257 (Baltic)
ON OFF OFF OFF OFF OFF Page 27 Farsi
ON OFF OFF OFF ON OFF Page 28 1251 (Cyrillic)
ON OFF OFF ON OFF OFF Page 29 737 (Greek)
ON OFF OFF ON ON OFF Page 30 775 (Baltic)
ON OFF ON OFF OFF OFF Page 31 Thai14
ON OFF ON OFF ON OFF Page 32 Hebrew Old code
ON OFF ON ON OFF OFF Page 33 1255 (Hebrew New code)
ON OFF ON ON ON OFF Page 34 Thai11
ON ON OFF OFF OFF OFF Page 35 Thai18
ON ON OFF OFF ON OFF Page 36 855 (Cyrillic)
ON ON OFF ON OFF OFF Page 37 857 (Turkish)
ON ON OFF ON ON OFF Page 38 928 (Greek)
ON ON ON OFF OFF OFF Page 39 Thai16
ON ON ON OFF ON OFF Page 40 1256 (Arabic)
MSW8
Switch Function ON OFF
1~8 Reserved -- Fixed to OFF
MSW9
Switch Function ON OFF
1 Reserved -- Fixed to OFF
2 Data Length 7 Bits 8 Bits
3 Parity Selection Even Odd
4 Parity Check Enable Disable
5 Flow Control XON/XOFF DTR/DSR
6~8 Baud Rate Selection Refer to following Table
MSW9-8 MSW9-7 MSW9-6 Baud Rate
OFF OFF OFF 9600
OFF OFF ON 19200
OFF ON OFF 38400
OFF ON ON 57600
ON OFF OFF 115200

Rev. 2.02 - 15 -
SRP-370/372 Ver.2
1-6 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.
1-6-1 Make sure that the printer is not receiving data; otherwise, data may be lost.
1-6-2 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.
1-6-3 Remove the used paper roll core if there is one.
1-6-4 Insert the paper roll as shown.

Rev. 2.02 - 16 -
SRP-370/372 Ver.2
1-6-5 Be sure to note the correct direction that the paper comes off the roll.
1-6-6 Pull out a small amount of paper, as shown. Then close the cover.
Feed
paper
Error
Power
※NOTE
When closing the cover, press the center of printer cover firmly to prevent
paper miss-loading.
1-6-7 Tear off the paper as shown.
Feed
paper
Error
Power

Rev. 2.02 - 17 -
SRP-370/372 Ver.2
1-7 Adjustments and Settings
It has 2 features ; Paper end and Black mark. For detecting Paper End, it must be
positioned at "a" Position in drawing and it is a factory default setting. For detecting Black
mark printed on the paper, it must be moved to "b" position.
Optical density (O.D) must be higher than 0.6 in density to secure a standard working
condition. Make sure if the density of paper black mark is lesser it might be a cause of
normality.
Table of O.D value. (Reference)
1.4 0.9 0.6 0.3 0.2

Rev. 2.02 - 18 -
SRP-370/372 Ver.2
1-8 Using the Printer
Control Panel
1-9 Connecting the computer
You need an appropriate interface cable.
1-9-1 Plug the cable connector securely into the printer’s interface connector.
1-9-2 Tighten the screws on both sides of the cable connector.
1-9-3 Attach the other end of the cable to the computer.
○POWER
The POWER light is on whenever the printer is on.
○ERROR
This indicates an error.
○PAPER
This light indicates the near end of the paper roll. Install a new paper roll
and the printer will continue printing. When the light blinks, it indicates
the self-test printing standby state or macro execution Standby state
when the macro execution command is used.
○FEED
The button can be disabled by the ESC c 5 command. Press the FEED
button once to advance paper one line. You can also hold down the
FEED button to feed paper continuously.

Rev. 2.02 - 19 -
SRP-370/372 Ver.2
1-10 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. Otherwise you may damage the
power supply or the printer.
If the power supply’s rated voltage and your outlet’s voltage do not match, contact your
dealer for assistance. Do not plug in the power cord. Otherwise, you may damage the
power supply or the printer.
1-10-1 Make sure that the printer’s power switch is turned off, and the power supply’s
power cord is unplugged from the electrical outlet.
1-10-2 Check the label on the power supply to make sure that the voltage required by the
power supply matches that of your electrical outlet.
1-10-3 Plug in the power supply’s cable as shown below. Notice that the flat side of the
plug faces down.
※NOTE
To remove the DC cable connector, make sure that the power supply’s power cord is
unplugged; then grasp the connector at the arrow and pull it straight out.

Rev. 2.02 - 20 -
SRP-370/372 Ver.2
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.
2-4 After printing the current printer status, self-test printing will print the following,
and pause (The PAPER LED light blinks).
Self-test printing.
Please press the FEED button
2-5 Press the FEED button to continue printing.
The printer prints a pattern using the built-in character set.
2-6 The self-test automatically ends and cuts the paper after printing the following.
*** COMPLETED ***
2-7 The printer is ready to receive data as soon as it completes the self-test.