SEWOO WTP-150 User manual

WTP-150

Thermal Receipt printer

Technical manual

SEWOO TECH CO., LTD.

www.miniprinter.com

TABLE OF CONTENTS

1. General Specifications

1.1 Printing Specifications

1.2 Character Specifications

1.3 Auto Cutter

1.4 Paper Roll Supply Device

1.5 Paper Specification

1.6 Printable Area

1.7 Printing and Cutting Positions

1.8 Internal Buffer

1.9 Electrical Characteristics

1.10 EMI and Safety Standards Applied

1.11 Reliability

1.12 Environmental Conditions

2. Configuration

2.1 Interface

2.1.1 RS-232 serial interface

2.1.2 Specifications

2.1.3 Switching between on-line and off-line

2.1.4 Interface connector terminal assignments and signal functions

2.1.5 Serial interface connection example

2.1.6 Centronics parallel interface

2.1.7 Data Receiving Timing(Compatibility Mode)

2.1.8 USB Interface

2.1.9 Interface Connector

3. Connectors

3.1 Interface Connectors

3.2 Electrical Characteristics

3.3 Drawer kick-out Connector (Modular Connector)

4. Control Command Summary

TITLE : WTP-150

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1. General Specifications

1.1 Printing Specifications

1) Printing method: Thermal line printing

2) Dot density: 180dpi x 180dpi

203dpi x 180dpi

3) Printing direction: Unidirectional with friction feed

4) Printing width: 72mm(2.83"), 576 dot positions (203dpi)

72.2mm(2.84"), 512 dot positions (180dpi)

80mm(3.15"), 640 dot positions (203dpi)

5) Characters per line(default): Font A: 42

Font B: 56

6) Printing speed: High speed mode:

35.5lines/second maximum

(1/6inch feed) (at 24V, 20℃)

Approximately 150mm/sec maximum

(approximately 5.9inchs/sec maximum)

☞ NOTE: Speeds are switched depending on the applied voltage to the printer and

head temperature conditions automatically.

☞ NOTE: There may be variations in printing after switching the mode of the

printing speed. To prevent this for logo printing with ESC* command,

using a downloaded bit image is recommended. Change in printing

speed does not occur during down loaded bit image printing.

7) Line spacing (default): 1/6 inch (4.23mm)

Programmable by control command.

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1.2 Character Specifications

1) Number of characters: Alphanumeric characters: 95

Extended graphics 128 × 7 pages

(including one space page)

International characters: 32

① English

② Hangul

③ Chinese (GB2312,Big5)

④ Kanji

2) Character structure: Font A: 12 ⅹ 24

Font B: 9 ⅹ 24

Hangul, Chinese: 24 ⅹ 24

Font A is selected as the default

3) Character size:

EPSON Emulation STAR Emulation

Dot density 0.141ⅹ0.141mm/dot

(180*180dpi)

0.125ⅹ0.141mm/dots

(203*180dpi)

[dpi: dots per 25.4mm{1"}]

3)Printing direction Unidirectional With friction feed

4)Paper width

82.5mm

(3.25")

80mm

(3.15")

60mm

(2.36")

58mm

(2.28")

82.5mm

(3.25")

80mm

(3.15")

60mm

(2.36")

58mm

(2.28")

5)Maximum

printable area

72.2mm

(512dots)

72.2mm

(512dots)

54.1mm

(384dots)

50.8mm

(360

dots)

80mm

(640dots)

72mm

(576

dots)

54.5mm

(436

dots)

52.5mm

(420

dots)

6)Character / line

Font A (12ⅹ24) 42 42 32 30 53 48 36 35

Font B (9ⅹ24) 56 56 42 40 71 64 48 46

Kanji Font (24ⅹ24) 21 21 16 15 26 24 18 17

1.3 Auto Cutter

Partial cut: Cutting with one point center uncut

NOTE: To prevent dot displacement, after cutting, paper must be fed

approximately 1mm(14/360 inches) or more before printing.

TITLE : WTP-150

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1.4 Paper Roll Supply Device

1) Supply method: Drop-in paper roll

2) Near-end sensor:

a) Detection method: Photo Reflector

b) Paper roll spool diameter: Inside: 12mm(.47″ )

Outside: 18mm(.71″)

c) Near-end adjustment: Adjusting screw

d) Remaining amount: Fixed position #1 (approximately

23mm(0.9″ )) #2 (approximately

27mm(1.06″ ))

NOTE: You can use a command to stop printing upon detection of a paper

near-end.

1.5 Paper Specification

1) Paper type: Specified thermal paper

2) Form: Paper roll

3) Paper width:

(82.5mm paper width model)

82 ±0.5mm (3.23" ±0.02")

(80mm paper width model)

79.5 ±0.5mm (3.13" ±0.02")

(60mm paper width model)

59.5 ±0.5mm (2.34" ±0.02")

(58mm paper width model)

57.5 ±0.5mm (2.26" ±0.02")

4) Paper roll size: Roll diameter : Maximum 83mm

Take-up paper roll width:

80 ± 0.5, 1.0mm(3.15"±0.020", 0.04")

5) Paper roll spool diameter: Inside: 12mm(.47")

Outside: 18mm(.71")

NOTE: Paper must not be pasted to the paper roll spool.

TITLE : WTP-150

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1.6 Printable Area

6.8mm

0.141mm

<82.5mm {3.25"} paper width model>

82±0.5mm

3mm

512 dots

72.2mm(dot #1-#512)

4.3mm

<80 mm {3.15"} paper width model>

0.141mm

79.5±0.5mm

3mm

512 dots

72.2mm(dot #1-#512)

TITLE : WTP-150

Page -5 -

59.5±0.5mm

<60mm {2.36"} paper width model>

0.141mm

3mm 2.4mm

384 dots

54.1mm(dot #1-#384)

57.5±0.5mm

0.141mm

3mm 3.7mm

360 dots

<58mm {2.28"} paper width model>

50.8mm(dot #1-#360)

Figure 1.6.1 Printable Area for EPSON Emulation

TITLE : WTP-150

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57.5±0.5mm

<58mm {2.28"} paper width model>

0.125mm

2.65mm

420 dots

2.35mm

52.5mm(dot #1-#420)

Figure 1.6.2 Printable Area for STAR Emulation (for Default Setting)

82±0.5mm

<82.5 mm {3.25"} paper width model>

0.141mm

1mm 1mm

640 dots

80mm(dot #1-#640)

TITLE : WTP-150

Page -7 -

4.85mm

0.141mm

79.5±0.5mm

<80mm {3.15"} paper width model>

2.65mm

576 dots

72mm(dot #1-#576)

59.5±0.5mm

<60mm {2.36"} paper width model>

0.125mm

2.65mm 2.35mm

420 dots

54.5mm(dot #1-#436)

Figure 1.6.3 Printable Area for STAR Emulation (When the Paper Width Is Changed)

NOTE : The numeric values used here are center values to be used in designing. The

printable area may be out of alignment by 2 mm maximum to the left or right, due to the

paper position or tolerance of parts.

TITLE : WTP-150

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1.7 Printing and Cutting Positions

nter of the

rint dotline

o-cutter blade

osition

Manual-cutter position

[Units: mm(Al the numeric values are typical.)]

Appro *12.6

Paper feed direction

Appro * 30.5

Figure 1.7.1 Printing and Cutting Positions

NOTE: Numeric values used here are center values to be used in designing. The values may

vary slightly as a result of paper slack or variations in the paper. Take this into account

when setting the cutting position of the autocutter.

TITLE : WTP-150

Page -9 -

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