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
x Easy paper loading and ribbon replacement
x Serial RS-232C or Centronics parallel
x Multiple international character set
x Auto power off features.
x User selectable options stored in non-volatile ram.
x Watch dog software shuts off power to the print head and carriage motor in a
paper jam situation.
x Full96ASCII set(plus additional European/Chinese and scientific
characters).
x 32kbyte buffer.
x Double width printing.
x Double height printing.
x Underlining.
x Built-in tab stops.
x Vertical tab.
x Form feed.
x Self-test.
x Inverted printing (data mode only).
x Graphics.
x Reset command.
x Software diagnostic mode.
x DH technology 1000 emulation.
x Epson ESC/POS emulation.
x Citizen 560 emulation.
2. SPECIFICATIONS
2 -1. General specifications.
ModelOM190OM192
Print methodShuttle impact dot matrix (8 pins)
No. of columns2440
Printing speed2.5 lps1.7 lps
No. of dots per
line
Dot Size0.33 (H) x 0.38 (W) mm
Charactersize
(mm)
Line Spacing3 dot lines
Font size(5+1) x 7
InterfaceType S:RS-232C serial
EmulationEpson ESC/POS, Citizen 560,
Data buffer1 KB
Ink ribbonERC-09 or ERC-22 (Purple or black)
Paper
No. of copiesOriginal + 1 copy
Power supply
Dimensions (mm)178 (L) x 105 (W) x 82 (H)
Reliability (MCBF)1.5 million lines0.9 million lines
Weight400 gor0.88 lbs
Safety approvalsCE
Operating
condition
1.7 (W) x 2.6 (H)1.1 (W) x 2.6 (H)
144240
Type P:Centronics parallel
DH1000
Width57.5 r 0.5 mm
Diameter60 mm (Max)
9VDCr10% 2.0 A
0to50qC10to80%RH
(Operating)
2 -2. Printer types and models:
Printer types and models are selected according to the following designation:
OM19X
X: Designates column capacity:024 columns
Y: Designates interface typeSSerial interface
-Y-Z
240 columns
PParallel interface
3
4
Z: Designates input voltage for the external power adaptor
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.
`````
PUSH
ribbon
change
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.
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