Microcom 814M Operators Manual
MODEL 814M
DIRECT THERMAL PRINTER
OPERATOR’S MANUAL
PART NUMBER 880047-0100
Revised 03/25 JSR
© Copyright 2014 by Microcom Corporation, Lewis Center, Ohio – All rights reserved.
Printed in the United States of America
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Proprietary Statement
This manual contains information proprietary to Microcom Corporation. This information is
intended solely for the use of parties operating and maintaining such equipment described
herein. The reproduction, disclosure and/or use of such information without the authority of
Microcom Corporation to other parties is strongly prohibited.
Product Enhancements
Microcom Corporation is committed to the continual improvement of performance and
quality in our products. For this reason, specifications are subject to change without notice.
Liability Disclaimer
Microcom Corporation makes every effort to assure that all information and specifications
contained in this manual are accurate; however, mistakes are sometimes made. Microcom
Corporation shall not be liable for any damages resulting from the use or misuse of this
product. The exclusion or limitation involving consequential or incidental damage does not
apply to all states, therefore, the limitation mentioned above may or may not apply.
HyperTerminal
Centronics
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and LaserJet II® are trademarks of Hewlett-Packard Company.
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is a registered trademark of The Monotype Corporation.
Arial
TrueType
Microsoft
Instapak
Other products and company names mentioned herein may be trademarks of their respective owners.
®
and HyperAccess® are trademarks of Hilgraeve Inc.
®
is a registered trademark of Data Computer Corporation.
®
is a registered trademark of Apple Computer, Inc.
®
, Windows®, Windows NT® are registered trademarks of Microsoft Corporation.
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Safety Instructions
Before installing and using the printer, please read the following items carefully:
• Install the printer on a flat and stable place.
• Reserve adequate space around the printer so that the operation and maintenance
can be performed conveniently.
• Do not use or store the printer in direct sunlight, strong heat, high humidity or dew
condensation.
• Do not place the printer in a place exposed to vibration or impact.
• Connect the DC adapter to an appropriately grounded outlet. Avoid sharing one
electrical outlet with large power motors and other devices that may cause the
fluctuation of voltage.
• Take care not to spill liquids into the printer. In case this happens, turn off the power
immediately.
• Do not allow the printer to start printing when there is no paper installed, otherwise
the print head and platen roller may be damaged.
• Use only recommended paper.
• Shut down the printer when connecting or disconnecting the interface connectors to
avoid damage to control board.
• Use the lowest print darkness setting possible to produce acceptable print quality to
prolong printhead life.
• Disassembly of the printer should only be done by properly trained technicians.
• Keep this manual available for reference.
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Table of Contents
1 General Description.................................................................Page 3
1.1 Introduction......................................................................................................3
1.2 Main Features .................................................................................................3
2 Specifications...........................................................................Page 4
2.1 Technical Specifications..................................................................................4
2.2 Paper Specifications........................................................................................5
3 Structure and Functions .........................................................Page 7
3.1 Appearance .....................................................................................................7
3.2 External Dimensions .......................................................................................8
3.3 Printer Mechanism ........................................................................................11
3.3.1 Printer Mechanism (without paper holder)...............................................11
3.3.2 Printer Mechanism Explanation...............................................................11
3.4 Presenter.......................................................................................................13
3.4.1 Appearance .............................................................................................13
3.4.2 Presenter Parts Explanation....................................................................14
3.5 Paper Holder ................................................................................................. 14
3.5.1 Paper Holder Appearance.......................................................................14
3.5.2 Paper Holder Module Explanation...........................................................14
3.6 Interface ........................................................................................................15
4 Installation..............................................................................Page 16
4.1 Unpacking .....................................................................................................16
4.2 Assembling the Printer ..................................................................................16
4.3 Connecting the Grounding Wire .................................................................... 16
4.4 Connecting the AC Power Adapter................................................................17
4.5 Connecting the Interface Cable..................................................................... 17
4.6 Loading Paper Roll........................................................................................18
4.6.1 Loading Process......................................................................................18
4.6.2 Semi-automatic Paper Loading or Manual Paper Loading ......................20
4.7 Installing the Printer.......................................................................................21
4.8 Installing Printer Driver ..................................................................................28
5 Routine Maintenance.............................................................Page 29
5.1 Cleaning Print head.......................................................................................29
5.2 Cleaning sensors...........................................................................................29
5.2.1 Cleaning paper end sensor .....................................................................29
5.2.2 Cleaning paper loading sensor................................................................30
5.2.3 Cleaning paper out sensor ......................................................................30
5.2.4 Paper Retract Sensor..............................................................................31
5.3 Cleaning Printing Platen................................................................................32
5.4 Resetting Cutter Manually .............................................................................32
5.5 Manual Removal of the Jammed Paper ........................................................33
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6 Interface Signal......................................................................Page 33
6.1 RS-232 Interface........................................................................................... 33
6.1.1 Parameter............................................................................................... 33
6.1.2 RS-232 Serial Interface Signals.............................................................. 34
6.2 IEEE 1284 Parallel Interface (optional)......................................................... 34
6.2.1 Parameters ............................................................................................. 34
6.2.2 Parallel Interface Printer Status (/FAULT pin and PE pin) ...................... 34
6.2.3 Parallel Interface Signals ........................................................................ 35
6.2.4 Time Sequence of Data Receiving ......................................................... 36
6.3 USB Interface (optional) ............................................................................... 36
6.3.1 Power Interface....................................................................................... 37
7 Troubleshooting and Maintenance ......................................Page 37
7.1 Common Errors and Settlement ................................................................... 37
7.1.1 Problems during Paper Loading ............................................................. 37
7.1.2 Problems during Printing ........................................................................ 38
7.1.3 Problems during Paper Out .................................................................... 38
7.1.4 Other Problems....................................................................................... 39
Appendix Self-test Page........................................................Page 40
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1 General Description
1.1 Introduction
The 814M is a high performance thermal printer with a cutter and optional presenter. The printer can accept up
to 203mm (outer diameter) paper rolls. The maximum print width is 216mm. It is designed to be used in kiosk
applications such that require Letter or A4 paper widths.
The 814M printer consists of the following modules:
− Thermal printing unit,
− Cutter,
− Paper holder (optional),
− Presenter (optional),
Depending upon the paper roll installation mode, the 814M printer can be structured for either horizontal or
vertical modes. The 814M printer can be connected with host devices by serial, parallel, USB, or ethernet
interfaces. Drivers are available for WINDOWS XP/Vista/7/8 and LINUX.
1.2 Main Features
• Printing
− High-speed printing
− Thermal print with low noise
− High reliability
• Presenter
− Accommodate and present printout
− Retract printout after programmable wait time
− Hold printout for user to take
• Applications
− Character processing: 1-6 times enlargement vertically and horizontally, Rotation (0, 90, 180,
270°), white/black reverse, underline, inverse
− Barcode printing in both vertical and horizontal direction
− Character font size (font A or font B) can be selected via a command
• Printer maintenance
− Easy paper roll loading
− Easy printhead cleaning
− Various features and parameters can be selected via software
− Auto paper cutting
− Semi-automatic paper loading
− Mark identification and checkout
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2 Specifications
2.1 Technical Specifications
Barcodes
Fonts
Graphics
Medium
Media
Items
Print method Direct thermal
Resolution 203dpi 300dpi
Paper Length 210mm-216mm 210mm-216mm
Print Width
Max - 216mm （8.5 "） Max - 216mm （8.5 "）
Standard
Print height
Print speed Max.125mm/s Max.100mm/s
RAM memory SRAM: 8MB
Flash memory 1MB/2MB/4MB
Print head
temperature
detecting
Print head position
detecting
Paper / mark
detecting
Paper near end
detecting
Interface
Barcode
Fonts
Fonts Process
Graphics
Paper type Continuous paper / marked paper / folded Paper
Paper roll OD Max - 203mm
Paper roll ID Optional: 25.4mm or ≥50mm
Thickness 60~100 um
Thermal surface Outer side
mode
Special
mode
RS-232Centronicsoptional)USB(optional), Ethernet
English font 0: 12×24 English
font 1: 9×17 Big font: 24X24
Big Font（optional）（ Simplified Chinese GB2312, traditional
All fonts can be enlarged 1 to 6 times vertically and
horizontally respectively; Rotation Print（0, 90, 180, 270°）
Support BMP bit Image download to RAM or FLASH,
Parameter
203dpi Model 300dpi Model
Max -1728mm Max -2560mm
Max: 1000mm, Min: 82.5mm
Max: 1000mm, Min: A4/3 (82.5mm)
Thermal resistor
Micro switch
Photoelectrical Sensor
Photoelectrical Sensor
(optional)
CODE128，ITF ，UPC-A，UPC-E，EAN13,
EAN8，CODE39，CODE93， CODABAR, PDF417
English font 0: 18×34
English font : 13×24 Big
font: 36 X36
Chinese GB18030, Japanese, Korean）
Bold, white/black reverse, underline.
support direct BMP Print
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Power
Presenter
Reliability
Environment
Physics
Character
Items
203dpi Model 300dpi Model
Input voltage AC 120V±5%, 50/60Hz
Output voltage DC 24V, 2.5A
Paper out speed
Paper retracting
speed
Function modes Retraction/Hold/Commands control/close
Print head lifetime ≥100Km
Cutter lifetime ≥500,000 (paper thickness: 0.08mm)
MTBF 360,000 hours
Operation
Environment
Storage
Environment
Dimensions 212(L) ×294(W)×97(H)
Weight About 3.8Kg (without paper roll and paper holder)
5°C to 45°C, 20% to 90% RH (40°C)
-40°C to 60°C, 20% to 93% RH (40°C)
Parameter
≥400mm/s
≥400mm/s
Table 2-1 Technical Specifications
Note:
− DPI: Dots for each inch in printing (one inch equals 25.4 mm)
− Character spacing can be adjusted
− Actual print speed is influenced by: data speed, print darkness, print duty ratio, commands
used and supply voltage
2.2 Paper Specifications
• Paper Type: Continuous paper / marked paper
• Paper Supply Method: Paper roll / folded paper
• Paper Width: 210mm – 216mm
• Paper Thickness: 60um – 100um
• Thermal Layer: Outer side of roll
• Paper Roll Specification: 50mm (inner dimension of standard core)
25.4mm or ≥ 50mm (inner dimension of optional core)
203mm (maximum paper outer dimension)
• Microcom Corporation Recommended Paper:
Part Number
709009-00018
709009-00019
709009-00020
Description
81/2”x5”x451’ – 21#, 1” ID, Outerwound
81/2”x6”x595’ – 21#, 2” ID, Outerwound
81/2”x8”x1134’ – 21#, 2” ID, Outerwound
Table 2-2 Recommended Paper
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• Marked paper specification
In marked paper mode, the printer determines cut position by referencing black mark position. Marked
paper should meet the following requirement besides that of standard paper:
− Mark length L1: 20mm ≤ L1
− Mark height L2: 4mm ≤ L2 ≤ 8 mm
− Space between adjacent Marks L3: 82.5mm ≤ L3 ≤ 305mm
− Mark position on paper: Right, middle or left side on non-thermal sensitive surface of
paper.
− Reflectivity: The reflectivity of black mark shall be less than 15% while the paper itself
reflectivity shall exceeds 85%. There should not be any preprint on paper, such as logos,
advertisements, etc. on the area between black marks.
Note:
− Mark height can be set by adjusting printer configuration,
− The paper path has three positions selectable for black mark sensor installation. Only one
sensor is mounted on the right side of the paper path (default) when the printer is delivered.
− Black marks are not detected when printer is idle. Paper out is not detected if paper is
removed while printer is idle.
Figure 2-1 Mark Position Sketch Map
• Folded paper specification
− When using folded paper, be sure to keep the folded line outside of the printing area to
avoid paper jams,
− It is recommended to set the cutting position 0.5-2.0mm below the folding line to prevent
paper jams,
− Refer to the continuous and marked paper specification to decide the position between
the folding line and black mark.
Notes!
− Please use the recommended paper or its equivalents. Using other paper may affect print quality
and reduce printhead life.
− Do not paste the paper to the shaft core.
− Thermal paper may discolor due to exposure to certain chemical, high temperature, or direct sun
light.
Figure 2-2 Paper Folding
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3 Structure and Functions
3.1 Appearance
Figure 3-2 Horizontal Structure Figure 3-3 Structure Without Paper Holder
1------------Print unit
2------------Cutter
3------------Cutter label
4------------Presenter upper cover open label
5------------Presenter
6------------Button
7------------Paper holder (for vertical structure only)
8------------Product Label
9------------Print head cover open label
10---------- Paper feed label (for vertical structure only)
11-----------Paper feed label (for horizontal structure and without paper holder type)
12-----------Paper holder (for horizontal structure only)
Figure 3-1 Vertical Structure
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3.2 External Dimensions
Figure 3-4 Dimensions Without Paper Holde
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Figure 3-5 Dimensions of Vertical Structure
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Figure 3-6 Dimensions of Horizontal Paper Holder
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