OmniPrint OM190 User manual

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OMNIPRINT
OM190/192
IMPACT PRINTER
USER'S MANUAL
Revision : 02
Version : 2.0
March 12,2017
Omniprint Inc.
1923 E Deere Ave.
Santa Ana, CA 92705
TEL: [phone] FAX: [phone]
Website: www.omniprintinc.com

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1. INTRODUCTION
OM19X is a dot matrix impact printer that is available in 24 column, OM190, and
40 column, OM192, models. It is compact and reliable with a variety of features
and options suitable for a wide array of applications including medical and
industrial instruments, point of sale, test and measurement, security, time and
attendance, etc.
1.1 Features
•Easy paper loading and ribbon replacement
•Serial RS-232C
•Multiple international character set
•Auto power off features.
•User selectable options stored in non-volatile ram.
•Watch dog software shuts off power to the print head and carriage motor in a paper
jam situation.
•Full 96 ASCII set (plus additional European/Chinese and scientific characters).
•Double width printing.
•Double height printing.
•Underlining.
•Built-in tab stops.
•Vertical tab.
•Form feed.
•Self-test.
•Inverted printing (data mode only).
•Graphics.
•Reset command.
•Software diagnostic mode.
•DH technology 1000 emulation.
•Epson ESC/POS emulation.
•Citizen 560 emulation.

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2. SPECIFICATIONS
2-1. General specifications.
Model OM190 OM192
Print method Shuttle impact dot matrix (8 pins)
No. of columns 24 40
Printing speed 2.5 lps 1.7 lps
No. of dots per line 144 240
Dot Size 0.33 (H) x 0.38 (W) mm
Character size (mm) 1.7 (W) x 2.6 (H) 1.1 (W) x 2.6 (H)
Line Spacing 3 dot lines
Font size (5+1) x 7
Interface Type S: RS-232C serial
Emulation Epson ESC/POS
Data buffer 1 KB
Ink ribbon ERC-09 or ERC-22 (Purple or black)
Paper Width 57.5 ±0.5 mm
Diameter 60 mm (Max)
No. of copies Original + 1 copy
Power supply 9 VDC ±10% 2.0 A
Dimensions (mm) 178 (L) x 105 (W) x 82 (H)
Reliability (MCBF) 1.5 million lines 0.9 million lines
Weight 400 g or 0.88 lbs
Safety approvals CE
Operating condition 0 to 50°C / 10 to 80% RH (Operating)
2-2. Printer types and models:
Printer types and models are selected according to the following designation:
OM19X - Y - Z
X: Designates column capacity: 0 24 columns
2 40 columns
Y: Designates interface type: S Serial interface
Z: Designates input voltage for the external power adaptor
Blank 110VAC WA Without adaptor
220 220 –240 VAC SMPS 90-240VAC

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3. Setting up the printer
3-1. Unpacking.
The items illustrated below are included with your printer. If any items are damaged or
missing, please contact your dealer for assistance.
Printer, Paper Roll, Power Supply, Ribbon (installed), Manual, and Interface Cable.
Printer Paper roll
Power Adapter Interface Cable
3-2. Selecting a Place
1. Protect your printer from excessive heat such as direct sunlight or heaters.
2. Avoid exposing the printer to excessive dust and humidity.
3. Place the printer on a firm, level surface free from intense vibration or shock.

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3-3 Connecting the Power Adapter
This printer requires an external power supply. Be sure to use a power supply that
matches the specifications.
1. Make sure the power switch is OFF.
2. Insert the output plug of the power adapter into the DC jack of the printer.
3. Plug the adapter or the power supply’s cord into an outlet.
4. For best results use one of the following Omniprint adapters:
OMPS190-915-NA (120VAC input)
OMPS190-915-EU (220-240VAC input)
OMPS190-915-SMPS (90-240VAC input)
Output: 9VDC 1.5A, 2.1mm x 5.5mm female plug, Center positive
3-4 Connecting the Interface Cable
You need an appropriate serial interface or parallel interface cable to connect your
computer to the printer.
3-4-1 Serial Interface Cable: OM19X-S
1. Make sure that both the printer and computer are turned off.
2. The serial printer comes with a DB-25 female connector. Plug the DB-25 male
end of the cable into the printer connector, as shown above.
3. Use a screw driver to fasten the cable screws to the two nut screws installed on
the printer connector.
4. Connect the other end, DB9-F connector, to your computer.
5. Use Omniprint part number:
CBL-625F-25M (DB-25 male on the host side)
CBL-69F-25M (DB-9 male on the host side)

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3-5 Installing the Ribbon Cartridge
1. Turn the printer off before you open the printer cover.
2. Remove the old ribbon by pressing on the front right corner of the cassette
where marked “PUSH”.
3. Turn the ribbon cassette’s knob in the direction of the arrow to take up any slack
in the ribbon.
4. Insert the ribbon between the printer head and platen, as shown above, and
push the cassette down until it snaps in place.
5. Turn the knob a few times again to take up any slack in the ribbon.
6. Use the following part number for ordering new ribbons:
Regular ERC-09-X (P for purple or B for black)
Long Life ERC-22-X (P for purple or B for black)

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3-6 Loading Paper
Use a paper roll that meets the specifications. Do not use paper rolls that are glued to
the core. Make sure data is not being transmitted to the printer while loading paper.
1. Cut the leading edge of the paper roll straight at a right angle, as shown above.
2. Remove the old paper roll, if any, and press the FEED button until any excess
paper left in the mechanism is out. Do not pull the paper out of the printer
mechanism paper inlet.
3. Mount the paper roll on the paper roll holder by gently bending the plastic tab, on
the right, and insert the roll so that the holes in the core align with the axes of the
paper roll holder. Make sure that the two holders are completely inside the core
so that the paper roll can move freely without much friction, i.e. the core inside
diameter is larger than the paper roll holder’s outside diameter.
4. Hold the both edges of the paper and insert it straight into the paper slot.
5. Press the FEED button until approximately two inches of paper is fed through the
mechanism.
6. Tear the excess paper against the serrated edge and close the cover.
7. Use the following Omniprint part number to reorder paper:
PP-225-135 1 ply paper roll
PP-225-90WC 2 ply paper roll
``````
PUSH
ribbon
change

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Roll paper
Cover top
Paper cover
Bottom cover
Roll paper
Top cover
On Off
Control panel
Interfaceconnector DCJack
4. External Appearance.
Paper roll holder

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5. Control Panel
The control panel features four buttons and one LED to indicate printer status.
ON BUTTON: Press the ON button to power up the printer. A Green LED inside the
button will light up. The printer goes ON LINE ready to receive data from the host. If the
supply voltage is too low, A Red LED will blink.
OFF BUTTON: Press and hold the OFF button to turn the power OFF.
FEED BUTTON: When the FEED button is pressed and then released within 0.5 sec.,
the paper feeds only one line. When the FEED button is held depressed for more than
0.5 sec., the paper feeds continuously.
SEL BUTTON: The SEL button is used to change the printer setting. (Please refer to
the SET UP section for details)
STATUS LED: The dual color LED (Green and Red) is located inside the ON button
and lights up when power to the printer is on. The Green LED flashes every second
when the printer is ready. The Red LED will flash if the supply voltage is too low.
ERROR LED: The Red Error LED is located inside the FEED button. It will blink
periodically according to the error condition.
Paper out : Blinking once
Battery low : Blinking 5 times (Battery version only)
Unrecoverable error : Blinking 7 times
CHARGE LED: The dual color LED (Green and Red) is located inside the SEL button.
When it is charging, a Red LED will be lit up and when it is fully charged, the light will
turn to Green.

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6. Running the Self Test
Any time you want to check the performance of your printer you can run the self test
described below. This shows whether your printer is working correctly.
1. While holding down the FEED button, turn the printer on.
2. The printer prints the current configuration settings including the model name
and the firmware revision.
3. Pressing FEED button once more will have the printer print the available built-in
font set.
NOTE: THE PRINTER WILL GO OFF LINE AND WILL NOT COMMUNICATE WITH
THE HOST WHILE IT IS IN SELF TEST MODE.

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7. Set-up mode
7.1 Set-up By Control Panel Buttons
You can change the printer serial interface, character table, emulation, and print mode
settings by following the procedure below:
1. By turning the power on while pressing the SEL button the printer will print the
current configuration and get into SET-UP mode.
2. The power LED will flash every second to indicate the printer is in SET-UP mode.
3. By pressing the FEED button, in SET-UP mode, you can scroll through the printer
parameters in the order shown in the table below.
4. Pressing the SEL button will cause the setting of a parameter to change in the
sequence shown below.
5. Once the desired setting is selected, it can be saved by pressing the SEL button
while pressing the FEED button.
NOTE: IF NO BUTTONS ARE PRESSED FOR 15 SECONDS, THE SET-UP MODE IS
AUTOMATICALLY TERMINATED WITHOUT CHANGING THE INITIAL PARAMETERS.
PARAMETER
(FEED Button)
STATUS
(SEL Button)
NUMBER OF DATABITS 8BIT DATA
7BIT DATA
SERIAL PARITY NO PARITY
ODD PARITY
EVEN PARITY
SERIAL BAUD RATE 1200 BAUD
2400 BAUD
4800 BAUD
9600 BAUD
19200 BAUD
38400 BAUD
57600 BAUD
115200 BAUD
STOP BITS 1 STOP BIT
2 STOP BITS
AUTO POWER OFF DISABLE
1 MIN.
5 MIN.
IR PROTOCOL (IR Version only) IrDA 1.1
HP-IR
Raw IR

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9. Accessories
1) Paper: 57.5mm+/-0.5mm(width), 60mm max (roll diameter), 85 microns (thickness)
PP-225-80 1-ply paper roll
PP-225-75WC 2-ply paper roll
2) Ribbon specification: ERC-09 P (Purple) or B (Black) Standard cartridge
ERC-22 P (Purple) or B (Black) Long Life Cartridge
3) Interface Cable: 6 feet long, shielded cable with molded connectors.
CBL-625F-25M Serial cable w/ DB-25F host side
CBL-69F-25M Serial cable w/ DB-9F host side
4) Power Supply: 9VDC 1.5A , 2.1mm x 5.5mm female plug , center positive.
OMPS190-915-NA 120VAC input
OMPS190-915-EU 220-240VAC input
OMPS190-915-SMPS 90-240VAC input

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10. Troubleshooting
1) IF THE POWER LED DOES NOT COME ON.
Make sure the power supply cables are securely plugged into the printer, the adapter,
and the power outlet. Also, make sure that power is supplied to the power outlet. If the
outlet is controlled by a switch or timer, use another outlet.
2) IF THE POWER LED IS ON BUT PAPER DOES NOT FEED.
This may be a head jam condition, first turn off the printer and make sure there is no
paper stuck in the mechanism. Do not use force or a sharp object to remove the
jammed paper.
3) IF THE PAPER IS NOT FEEDING PROPERLY.
If the printout looks squashed, make sure that the paper roll moves freely on the paper
holder. If the paper is wrinkled on the edges, the roll may not be loaded correctly. In that
case remove the paper and reload.
4) IF THE PRINTER SOUNDS LIKE IT IS PRINTING BUT NOTHING IS PRINTED
Make sure a ribbon cartridge is installed properly that is not worn out. Please note that
the ribbon needs to be in front of the paper.
If the printout is faint, turn the knob on the cartridge in the direction of the arrow. Also,
see if the knob turns when the FEED button is pushed, if it does not, then the advance
gear on the ribbon or the mechanism may be defective or worn out.
5) IF THE PRINTER DOES NOT COMMUNICATE WITH THE HOST.
Run the self test to check that the printer works properly. If the self test does not work
contact your dealer or qualified service person. If the self test works properly, check the
following:
A. You are using the right interface cable.
B. The connection on both ends of the cable between the printer and the host.
C. The data transmission setting may be different between the printer and the
host. Use the SET-UP instructions to change the settings, if necessary.
6) IFA LINE OF DOTS IS MISSING IN THE PRINTOUT.
The print head may be damaged. Contact your dealer or qualified service person.

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11. Interface connections
The OM19X printer is available in RS-232C serial. The interface type is printed on the
self-test printout.
11-1. SERIAL INTERFACE
11-1-1 Serial Interface Specifications
Data Transmission Method: Asynchronous serial interface
Baud Rate: User selectable from 1200, 2400, 4800, 9600, 19200,
38400, 57600, 115200
Word Length: Start bit 1 bit
Data bit 7 or 8 bit
Parity Odd, Even, None
Stop bit 1 bit, 2 bits
Signal Polarity: MARK: Logic “1” (-10V)
SPACE: Logic “0” (+10V)
Input Control (DTR signal) : Mark: Data transmission not possible
Space: Data transmission possible
11-1-2 Connector Pin Assignment
FUNCTION PIN NUMBER INPUT-OUTPUT
RXD 3 IN
TXD 2 OUT
CTS 5 IN
RTS 4 OUT
DSR 6 IN
GND 7,9,14
*POWER 12,13,16 IN
NC 5,6,8,10,11,15,17-19,21-
25
F-GND 1
DTR 20 OUT
* Please note that some models can be set at the factory to receive power through the serial port.
11-1-3 Serial Interface Timing Diagram

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12. COMMAND CODES
FUNCTION KEYSTROKE HEX DECIMAL
HORIZONTAL TAB CTRL I 09H 9
LINE FEED CTRL J 0AH 10
CARRIAGE RETURN CTRL M 0DH 13
SET PRINT MODE ESC ! n 1BH, 21H, n 27, 33, n
INITIALIZE PRINT ESC @ 1BH, 40H 27, 64
CHARACTER SET ESC R n 1BH, 52H, n 27, 82, n
PRINT & FEED ESC d n 1BH, 64H, n 27, 100, n
INVERTED PRINTING ESC { n 1BH, 7BH, n 27, 123, n
STATUS REQUEST DLE EOT n 10H, 04H, n 16, 4, n
12.1 COMMAND DESCRIPTIONS
TAB(09H): Moves the print position to the next horizontal tab position. The default tab positions are at
every 8 character intervals. This command will be ignored unless the nest horizontal tab position is set.
LINE FEED (0AH): Prints the data in the print buffer and feeds one line based on the current line
spacing. IF LF+CR IS SENT, CR WILL BE IGNORED TO AVOID DOUBLE FEEDING.
CR (0DH): This command prints the data in the print buffer and feeds one line. If a LF is sent immediately
after CR, it will be ignored to avoid double printing.
ESC ! n (1BH, 21H, n): Sets the print mode according to the following table. n is a single byte in which
each bit sets the printing function. Note that underline cannot be used with a horizontal tab and any
combination of double height and width can be used. Default is n=0.
Bit
Off/On
Hex
Decim
al
Function
0,1,
2 --- --- --- Undefined
3 Off 00 0 Emphasized mode off
4 Off 00 0 Double-height off
On 10 16 Double-height on
5 Off 00 0 Double-width off
On 20 32 Double-width on
6 --- --- --- Undefined
7 Off 00 0 Underline mode off
On 80 128 Underline mode on
ESC @ (1BH, 40H): Initialize the printer. Clears the print buffer and resets the printer to default values.

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ESC R n (1BH, 52H, n): Selects the international character set form the following table
n
Character set
0 U.S.A.
1 France
2 Germany
3 U.K.
4 Denmark I
5 Sweden
6 Italy
7 Spain
8 Japan
9 Norway
10 Denmark II
ESC d n (1BH, 64H, n): Prints the data in the print buffer and feed n lines.
ESC { n (1BH, 7BH, n):
In standard mode, turns upside-down printing mode on or off.
•When the LSB of n is 0, upside-down printing mode is turned off.
•When the LSB of n is 1, upside-down printing mode is turned on.
DLE EOT n (10H, 04H, n):
Transmits 1 byte of status data specified in real time, using n as follows:
n
Function
1 Transmit Printer Status
2 Transmit Off-Line Status
3 Transmit Error Status
4 Transmit Paper Roll Sensor Status

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Printer status (n=1)
Bit
Off/On
Hex
Decimal
Status
0 Off 00 0 Not used. Fixed to Off.
1 On 02 2 Not used. Fixed to On.
2 Off 00 0 Drawer kick-out connector pin 3 is LOW.
On 04 4 Drawer kick-out connector pin 3 is HIGH.
3 Off 00 0 On-line.
On 08 8 Off-line.
4 On 10 16 Not used. Fixed to On.
5 Off 00 0 Not waiting for on-line recovery.
On 20 32 Waiting for on-line recovery.
6 ? ? ? Undefined.
7 Off 00 0 Not used. Fixed to Off.
Off-line status (n=2)
Bit
Off/On
Hex
Decimal
Status
0 Off 00 0 Not used. Fixed to Off.
1 On 02 2 Not used. Fixed to On.
2 Off 00 0 Cover is closed.
On 04 4 Cover is open.
3 Off 00 0 Paper is not being fed by the paper feed button.
On 08 8 Paper is being fed by the paper feed button.
4 On 10 16 Not used. Fixed to On.
5 Off 00 0 No paper-end stop.
On 20 32 Printing stops due to a paper-end.
6 Off 00 0 No error.
On 40 64 Error occurred.
7 Off 00 0 Not Used. Fixed to Off.
Error status (n=3)
Bit
Off/On
Hex
Decimal
Status
0 Off 00 0 Not used. Fixed to Off.
1 On 02 2 Not used. Fixed to On.
2 Off 00 0 No mechanical error.
On 04 4 Mechanical error occurred.
3 Off 00 0 No auto-cutter error.
On 08 8 Auto-cutter error occurred.
4 On 10 16 Not used. Fixed to On.
5 Off 00 0 No unrecoverable error.
On 20 32 Unrecoverable* error occurred.
6 Off 00 0 No auto-recoverable error.
On 40 64 Auto-recoverable error occurred.
7 Off 00 0 Not used. Fixed to Off.
*If an unrecoverable error (bit 5) occurs, turn off the power as soon as possible.
Paper roll sensor status (n=4)
Bit
Off/On
Hex
Decimal
Status
0 Off 00 0 Not used. Fixed to Off.
1 On 02 2 Not used. Fixed to On.
2, 3 Off 00 0 Paper roll near-end sensor: paper adequate.
On 0C 12 Paper roll near-end sensor: paper near end.
4 On 10 16 Not used. Fixed to On.
5, 6 Off 00 0 Paper roll end sensor: paper present.
On 60 96 Paper roll end sensor: paper not present.
7 Off 00 0 Not used. Fixed to Off.

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APPENDIX 1. INTERNATIONAL CHARACTERS SET
APPENDIX 2. PRINTABLE CHARACTER SET

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APPENDIX 3. EXTERNAL DIMENSIONS