Element RW-337D User manual

RW-337D
Receipt Printer User Manual
Rev 1.01

RW-337D User Manual I Page 1of 69
Declaration
Information in this document is subject to change without notice. Element
LTD. (hereinafter referred to as “element”) reserves the right to improve
product as new technology, components, software, and firmware become
available. If users need further data about this product or have any doubt
about safety issues that might arise from using it, please feel free to
contact your dealer.
No part of this document may be reproduced or transmitted in any form
or by any means, electronic or mechanical, for any purpose without the
express written permission of element.
Copyright
Copyright © 2021 Element.
Warning and Caution
Warning: Items shall be strictly followed to avoid damages to body
and equipment.
Caution: Items with important information and prompts for
operating the printer.

RW-337D User Manual I Page 2of 69
General Safety Instruction
Before installing and using the printer, please read the following items
carefully:
1. Safety Instructions
Warning: Do not touch the cutter and tear-off bar of the printer.
Warning: The print head is at a high temperature during printing or
just after operation, do not touch it or its peripherals for reasons of
safety.
Warning: The print head is an ESD-sensitive device. To prevent
damage, do not touch either its printing parts or connecting parts.
2. Cautions
1) Install the printer on a flat and stable surface.
2) Reserve adequate space around the printer so that convenient
operation and maintenance can be performed.
3) Keep the printer away from water sources, direct sunlight, strong light
and heat.
4) Do not use or store the printer in a place exposed to heat or fire,
moisture or other pollution.
5) Do not place the printer on a place exposed to vibration or impact.
6) Avoid exposing the printer to condensation. In case of condensation,
ensure it has been completely removed before turn on the power.
7) Connect the power adapter to an appropriate grounded outlet. Avoid
sharing a single electrical outlet with large power motors and other

RW-337D User Manual I Page 3of 69
devices that may cause the fluctuation in voltage.
8) The power socket should be installed near the equipment and should
be easily accessible.
9) Turn off the power if you do not use the printer for a long time.
10) Do not spill water or other electric substances (like metal) on the
printer. If this happens, turn off the power immediately.
11) Do not allow the printer to start printing without paper loaded,
otherwise the print head and platen roller will be damaged.
12) To ensure print quality and normal lifetime, use recommended or
good quality paper and ribbon.
13) Shut down the printer when connecting or disconnecting interface
connectors to avoid damage to the control board.
14) Do not disassemble the printer without guidance from a technician,
even for the purpose of repair.
15) Keep this manual safe and at hand for reference purpose.

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Contents
1.1 OUTLINE .....................................................................................................8
1.2 FEATURES ....................................................................................................8
2 SPECIFICATIONS .......................................................9
2.1 MAIN SPECIFICATION .....................................................................................9
2.2 CUTTER SPECIFICATION.................................................................................10
2.3 PAPER SPECIFICATION...................................................................................10
2.3.1 Continuous paper............................................................................10
2.3.2 Marked paper .................................................................................11
2.3.3 Recommended paper......................................................................12
2.4 RIBBON SPECIFICATION.................................................................................13
2.4.1 Ribbon model..................................................................................13
2.4.2 Dimensions......................................................................................13
2.5 PRINT AND TEAR-OFF POSITION .....................................................................14
2.5.1 Print position...................................................................................14
2.5.2Tear-off position...............................................................................15
3 OUTLINE AND PARTS..............................................16
3.1 OUTLINE AND PARTS....................................................................................16
3.2 LEDS AND BUZZER ......................................................................................20
4 INSTALLING............................................................21
4.1 UNPACKING ...............................................................................................21
4.2 MOUNTING THE PRINTER .............................................................................21
4.2.1 Horizontal mounting .......................................................................21
4.2.2 Wall-mounting (optional) ...............................................................22
4.3 CONNECTING POWER CORD...........................................................................23

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4.4 CONNECTING OPTIONAL INTERFACE CABLE........................................................24
4.5 CONNECTING CASH DRAWER..........................................................................25
4.6 INSTALLING RIBBON.....................................................................................26
4.7 LOADING PAPER ROLL ..................................................................................27
4.7.1 Paper type.......................................................................................27
4.7.2 Loading/replacing paper roll ..........................................................27
4.8 PRINTER SELF-TEST ......................................................................................30
4.8.1 Turn on the printer..........................................................................30
4.8.2 Print self-test page..........................................................................30
4.9 INSTALLING THE PRINTER DRIVER....................................................................30
4.9.1 Typical installation` .........................................................................31
4.9.2 Advanced installation .....................................................................34
4.9.3 USB device driver installation .........................................................36
4.10 HOW TO USE THE DRIVER...........................................................................44
4.10.1 User-defined page.........................................................................44
4.10.2 Parameter explanation .................................................................47
5 MAINTENANCE ......................................................57
5.1 PLATEN ROLLER CLEANING.............................................................................57
5.2 MARK SENSOR CLEANING..............................................................................58
5.3 CLEAR PAPER JAM........................................................................................58
6 INTERFACE SIGNAL.................................................59
6.1 USB INTERFACE ..........................................................................................59
6.2 PARALLEL INTERFACE....................................................................................59
6.3 SERIAL INTERFACE........................................................................................61
6.4 ETHERNET .................................................................................................61
6.5 CASH DRAWER DEFINITION............................................................................63
7 TROUBLESHOOTING...............................................65

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7.1 CUTTER ERROR TROUBLESHOOTING.................................................................65
7.2 PRINTER DOESN’T WORK..............................................................................65
7.3 ERROR LED AND BUZZER..............................................................................66
7.4 PROBLEMS DURING PRINTING........................................................................66
7.5 PROBLEMS USING DRIVER ............................................................................68

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1 OVERVIEW
1.1 Outline
The RW-337D is a 9-pin serial impact dot matrix receipt printer offering
high quality, high speed, and stable performance. It is widely used in POS
system, kitchen and finance applications, etc.
The RW-337D can be connected with other devices via USB, parallel, serial,
and Ethernet interface, and it can provide drivers for operating systems
such as Windows 2003 /XP / 7 / 8.1 / 10.
1.2 Features
➢Support bi-directional printing.
➢Support two color printing
➢Support two interfaces
➢Support bi-directional carriage return
➢Supports multi-layer paper
➢Easy paper loading
➢Easy operation and maintenance
➢Supports marked paper and continuous paper for printing
➢Compatible with paper in various widths
➢Automatic paper cut
➢Cash drawer control connector
➢Communication interface optional
➢Printer firmware updated online.

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2 Specifications
2.1 Main Specification
Item
Specification
Print mode
9-pin serial impact dot matrix
Print speed
Max. 4.7LPS (400 dots/line)
Print width
Max. 400 (half dots)/200(full dots)
Paper
Paper type
Continuous paper or marked paper
Single layer
Paper width: 80±0.5mm, 76±0.5mm, 69.5±0.5mm,
57.5±0.5mm;
Paper thickness: 0.06—0.085mm
Multi-layer paper
(1 original+1
copies)
Paper width: 80±0.5mm, 76±0.5mm, 69.5±0.5mm,
57.5±0.5mm;
Paper thickness: 0.05—0.08mm (single page), total
thickness≤0.14 mm (total pages)
Character
Character type
Font A: 9×9 Font B: 7×9 Chinese: 16×16
Characters/line
(Default)
80/76mm
69.5mm
57.5mm
Font A
33 CPL
30 CPL
25 CPL
Font B
40 CPL
36 CPL
30 CPL
Chinese
22 CPL
20 CPL
16 CPL
Character size
(Default)
Font A: 1.6×3.1mm Font B: 1.2×3.1mm Chinese:
2.7×2.9mm
Characters/inch
(Default)
Font A: 13.3CPI Font B: 16CPI Chinese:
8.9CPI
Data
buffer
Receive buffer
64K/4KB/40bytes
NV bit image
data area
128KB
User NV memory
8KB
Ribbon specification
ERC-38 ribbon cartridge
Ribbon lifetime
ERC-38 (P)
4,000,000 characters
ERC-38 (B)
3,000,000 characters
ERC-38
(B/R)
Black: 1,500,000 characters
Red: 750,000 characters
Communication interface
USB / IEEE1284/RS-232 / Ethernet interface
Cash drawer connector
1～2 cash drawers