Loadrite LP950 User manual

MAN-80897-00
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User Guide
FOR THE LOADRITE
™
LP950 PRINTER

LOADRITE™LP950 Printer
USER GUIDE
Document No: MAN-81009-01
Issue Date: Sept 2009
E [email protected]
Wwww.loadritescales.com
A solution of
www.actronictechnologies.com
This manual is copyrighted with all rights reserved. Under copyright laws,
this manual may not be copied in whole or in part or reproduced in any
other media without the express written permission of Actronic Ltd.
Permitted copies must carry the same proprietary and copyright notices as
were affixed to the original. Under the law, copying includes translation
into another language.
Please note that while every effort has been made to ensure that the data
given in this document is accurate, the information, figures, illustrations,
tables, specifications, and schematics contained herein are subject to
change without notice.
Actronic Ltd assumes no liability in connection with the use of any
LOADRITE™branded product.
Copyright © 2009 Actronic Ltd.
LOADRITE™ and Actronic Technologies™ are trademarks of Actronic Ltd.

LOADRITE™ LP950 Printer User Guide
CONTENTS
1 General Information................................................................................ 1
1.1 Introduction .................................................................................. 1
2 Printer Controls and Indicators................................................................ 2
2.1 Function of Buttons....................................................................................2
2.2 Function of Indicators................................................................................2
2.3 Paper Roll Replacement............................................................................3
2.4 Ribbon Cassette Replacement..................................................................4
2.5 Baud Rate..................................................................................................5
3 Installation............................................................................................... 6
3.1 Printer........................................................................................................6
3.2 Electrical Connection.................................................................................6
3.3 Use with Data Capture System .................................................................7
4 Specifications.......................................................................................... 8

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LOADRITE™ LP950 Printer User Guide
1 GENERAL INFORMATION
1.1 INTRODUCTION
The Loadrite Printer is an accessory to the Loadrite weighing
system and is used to provide a permanent record of the weighing
operations as they are performed.
This manual covers all models of Loadrite Printers. A detailed
description of the 'print-outs' available is given in the Loadrite User
Guide.
The Loadrite Printer is supplied complete with:
A fully adjustable mounting bracket
A cable which must be plugged between the Loadrite Printer and
the PRINTER/EDP socket at the rear of the Loadrite Weigh
Indicator
A spare ink-ribbon cartridge
Printing is performed by the dot-matrix impact method, utilising a
replaceable ink-ribbon cartridge, on to either:
Standard 57mm calculator plain paper or
2 layer NCR paper, (if a duplicate copy is required).

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LOADRITE™ LP950 Printer User Guide
2 PRINTER CONTROLS AND
INDICATORS
The Loadrite Printer has two control buttons and three associated
indicator lights on the operator control panel.
2.1 FUNCTION OF BUTTONS AND INDICATORS

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



TestPrintFunction
If the Paper Feed button is momentarily depressed while holding
the On Line button, the printer will print a test print. After printing,
the printer will be left in the Off Line state and the On Line button
must be pressed before the printer will operate.
ICONNAMEDESCRIPTION
or
On Line Button
The printer can be switched
'ON LINE' and 'OFF LINE' (i.e.
print data or don't print data)
by successively pressing the
ON LINE button. When the
printer is 'ON LINE' the
associated indicator light will
be on.
or
Paper Feed
Button
This button is used to fast
feed the paper out of the
printer. It may be used when
required during paper loading.
or
Paper Out
Indicator
When illuminated, this
indicates that the printer is out
of paper and a new paper roll
should be loaded to avoid
losing printed information.
Ready Indicator
(LP950C only)
When illuminated this
indicates the printer is ready
to accept data for printing.
This indicator goes off when
the printer is out of paper, or if
the printer is “OFF LINE” or
the printer is busy printing and
is unable temporarily to accept
any more data.

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LOADRITE™ LP950 Printer User Guide
2.2 PAPER ROLL REPLACEMENT
IMPORTANT
Do not pull the paper roll backwards through the printer
mechanism as this will cause irreparable damage!
The Loadrite Printer uses standard 57mm wide paper; either plain
or 2-layer NCR - if a duplicate copy is required.
The maximum roll diameter in either case is 57mm.
To replace the paper roll:
1. Open the hinged lid by springing the plastic clip and lift the lid
wide open.
2. Remove the short length of paper remaining in the printing
mechanism by:
a) Using the Paper Feed button, or
b) Using the manual paper feed wheel, or
c) Gently pulling the paper through the mechanism by
hand, in the Normal direction.
3. Remove the old roll core from the holding fingers and insert
the new roll with the paper direction as shown in the diagram.
PAPER LOADING PATH
FEED THROUGH
APPROX 6mm
RIBBON
CASSETTE
4. Free the end of the new paper roll, checking that the end is
cut reasonably square and is free from irregular or jagged
tears. If needed, trim the end with scissors.
5. Take the free end of the paper and gently push it over the
plastic ramp and into the mouth of the printer.

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LOADRITE™ LP950 Printer User Guide
6. By using the manual feed knob (or the Paper Feed button - if
power is connected), feed the paper through the mechanism
and leave approximately 6mm (1/4") of paper protruding from
the mechanism. Ensure that the paper lies between the ink
ribbon and the cassette housing.
7. Tighten the ink ribbon in its cassette by turning the star-
shaped disc (on right-hand end of cassette) two or three
turns clockwise.
8. Close the case and secure the lid catch.
9. Press the Paper Feed button until the paper emerges past
the tear-off edge.
10. Press the On Line button and the printer is now ready for
operation.
2.3 RIBBON CASSETTE REPLACEMENT
Printing on plain paper in the Loadrite Printer is achieved by use
of an inked ribbon which is contained in a replaceable cassette.
The ribbon will normally last for 2 to 3 rolls of paper.
To Replace the Cassette:
1. Open the lid of the printer. If there is paper in the
mechanism, remove it by cutting the paper close to the exit
slot of the mechanism.
IMPORTANT
Do not pull the paper roll backwards through the printer
mechanism as this will cause irreparable damage!
2. Press down on the left-hand end of the cassette to pop the
right-hand end up. The cassette can now be lifted out.
3. The new cassette is fitted in the reverse order to removal,
i.e. position the right-hand end of the new cassette in the
mechanism and gently push the left-hand end home.
4. Ensure that the paper lies between the ink ribbon and the
cassette housing.

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LOADRITE™ LP950 Printer User Guide
2.4 BAUD RATE
The Loadrite Printer communicates with the Loadrite weigh
indicator at a communication speed of 9600 baud. Earlier printers
communicated at the slower speed of 1200 baud.
If the Loadrite Printer is used with an LR810 indicator, the LR810
should have the Baud Rate setting changed to 9600 baud. (Ask
your Loadrite dealer for details).
If the Baud Rate of the printer needs to be changed, your Loadrite
dealer can provide an instruction sheet.

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LOADRITE™ LP950 Printer User Guide
3 INSTALLATION
3.1 PRINTER
The Loadrite Printer should be installed at the appropriate
mounting angle, orientation and location to provide optimal
conditions of use by the operator.
The following important rules should be observed:
1. The printer should not be located in direct sunlight or near
any engine compartments which can become excessively
hot. (If necessary a screen should be provided to shade the
unit from direct heat and sunlight).
2. To reduce the risk of entry of dust or moisture into the printer
case:
The unit should be mounted with the mouth of the paper
exit slot in a downwards direction.
Care should be taken that externally accumulated dust,
water and oil etc. does not enter when the lid is opened
to replace the paper roll.
3. The printer should be located in such a way that it does not
hinder the normal operation of the machine controls or the
visibility of the operator.
4. The printer should be located in a position where:
The hinged lid can be opened without restriction, for
replacement of the paper roll or ribbon cartridge.
(The lid is secured with a sprung (not hinged) plastic
clip. Bending this clip back too far may result in its
breakage).
The operator has easy access to the printer to operate
the printer controls.
3.2 ELECTRICAL CONNECTION
All power supply and signal connections to the printer are
contained within the cable and connector assembly. No other
connections are required.
Connection is made by plugging the cable between the socket
located at the rear of the Loadrite Printer and the PRINTER/EDP
socket located at the rear of the Loadrite Weigh Indicator. The
power supply to the printer is switched On and Off by the main
power On/Off to the Loadrite indicator.

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LOADRITE™ LP950 Printer User Guide
Ensure that the printer and cable are securely fastened and the
cable routed to avoid accidental physical damage. Special care is
needed when routing cable to avoid physical damage.
3.3 USE WITH DATA CAPTURE SYSTEM
The Loadrite weighing system may be operated with both an
LP950 Printer and a Data Capture System.
Please consult your local Loadrite dealer for the supply of the
Data Capture System.

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LOADRITE™ LP950 Printer User Guide
4 SPECIFICATION
Case Injection moulded polycarbonate.
Silicon rubber ‘O’ ring sealed.
UV resistant polyester front panel
membrane push buttons.
Environmental Operating ambient temp -10°C to +50°C.
The unit must not be operated in direct
sunlight.
Relative humidity 20% to 90%.
Splash proof to IP52 (water from above
only).
Weight With mounting bracket: 1.6kg
Print Method Dot Matrix impact on plain paper.
Inking by auto-feed, replaceable, ribbon
cassette.
Paper Standard plain calculator paper, 57mm
wide, up to 57mm diameter roll.
Optional 2 layer NCR paper for duplicate
copy.
Print Format 24 columns, 5x8 dot matrix characters,
1.7 x 2.7mm with one dot (0.37mm)
descender.
Printable Characters Full ASCII character set, plus extended
set.
Print Speed 1.7 lines/second typical.
Paper Feed 4.0 lines/second typical.
Test Print All printable alpha-numerical characters
are printed.
Indicator Lamps LED type: On Line, Out of Paper and
Ready (LP950 only).
Control Buttons On front panel: On/Off Line, Paper Feed
and Test Print Facility.
Data Input Serial ASCII, RS232 protocol with ‘printer
ready’ handshake. (Ready line goes ‘low’
when buffer full or printer printing.

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LOADRITE™ LP950 Printer User Guide
Baud Rate 1200 or 9600 baud set by internal jumper.
Data Buffer 1 line (24 character) printing of line
initiated when buffer full (24 char.) or LF,
CR, CRLF received. CR and LF are
treated as a CRLF pair.
Power Requirements 11.2 to 32V DC.
Average Current when printing:
0.75A @ 12V DC input
0.4A @ 24V DC input.
Peak Current when printing:
3.0A @ 12V DC input.
1.3A @ 24V DC input.
Standby Current:
100mA max.
40mA typ. @ 24V.
Power Input Protection Series diode to protect against reverse
voltage. Input filter and high voltage pre-
regular into switch-mode main regular to
protect against “load-dump” and
automotive transients.

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LOADRITE™ LP950 Printer User Guide
Notes

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LOADRITE™ LP950 Printer User Guide
Notes

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LOADRITE™ LP950 Printer User Guide
Notes

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MAN-81009-01