Compuprint 4051 User manual

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U Us se er r M Ma an nu ua al l
Rev. 002

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Compuprint Information
Thanks for choosing the 4051/4051N plus or the /4056/4056N plus printer.
Your printer is a reliable working equipment that will be very useful in your daily job.
Our printer have been designed to be compact and respectful of the work environment. They offer
a wide range of features and multiple functions that confirm the high technological level reached
by the Compuprint S.p.A.
To maintain these printing performances unchanged in the long run, Compuprint has
developed specific consumable accessories for each printer type (for example: ribbon cartridges for
dot matrix printers, toner and OPC cartridges for laser printers, bubble ink jet cartridges for
inkjet printers) that assure an excellent operation with high printing quality level reliability.
Compuprint recommends to use only its original consumables with original packaging
(identified by its holographic label). In this way, a proper use of the printer at quality level
unreliability stated in the product characteristics can be assured. All typical usage problems
related to not certified consumables may be avoided, such as an overall quality print level
degradation and, often, the reduction of the product life due to the fact that the proper print
heads working conditions, OPC cartridge and other printer parts are not assured.
Moreover, Compuprint does not only certify its consumables in terms of working conditions but
also carefully controls their compliance with the international standard rules concerning:
• no cancerous materials;
• no flammability of the plastic materials;
• other standards
Compuprint warns the customers not to use products for which the compliance to this safety
rules are not warranted.
Finally seek your dealer or contact a Compuprint office and be sure that are provided you the
original Compuprint consumables.

Safety Information
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S
Sa af fe et ty y I In nf fo or rm ma at ti io on n
Never remove any printer cover unless it is necessary for the installation of a printer accessory
and expressly described in this manual.
Please retain the printer covers in a safe place because they should be reinstalled if you decide
to remove any printer.
The following areas of the printer should be covered for safety reasons:
Front Cover
(ASF)
The above openings must always be protected with their cover when the
corresponding option is not installed. Do not touch inside and do not insert any object
into these openings or into the gears.

FCC Notes
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F
FC CC C N No ot te es s
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part
15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when
the equipment is operated in a commercial environment. This equipment generates, uses and can radiate radio
frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful
interference to radio communications. However, there is no guarantee that interference will not occur in a
particular installation. If this equipment does cause harmful interference to radio or television reception, which
can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by
one or more of the following measures:
• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver to outlets on different circuits.
• Consult the dealer or an experienced radio/TV technician for help.
Changes or modifications not expressly approved by the party responsible for compliance could avoid the user's
authority to operate the equipment. The use of a non-shielded interface cable with the referenced device is
prohibited. The length of the parallel interface cable must be 3 meters (10 feet) or less. The length of the serial
interface cable must be 15 meters (50 feet) or less.
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Ca an na ad di ia an n D D. .O O. .C C. . R Ra ad di io o I In nt te er rf fe er re en nc ce e
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Re eg gu ul la at ti io on n
This digital apparatus does not exceed the Class B limits for radio noise emission from digital apparatus as set out
in the radio interference regulations of the Canadian Department of Communications.
Le présent appareil numérique n'émet pas de bruits radioélectriques dépassant les limites applicables aux
appareils numériques de classe A prescrites dans le règlement sur le brouillage radioélectrique édicté par le
ministère des communications du Canada.
E
EE EC C R Re eg gu ul la at ti io on ns s
This equipment conforms to the EEC Directive 89/392 (the sound pressure, measured according to ISO 7779, does
not exceed 70 dBA).

Table of Contents
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T
Ta ab bl le e o of f C Co on nt te en nt ts s
Safety Information ...............................................iii
FCC Notes.............................................................iv
Canadian D.O.C. Radio Interference Regulationiv
EEC Regulations..................................................iv
Table of Contents .................................................v
Getting toKnow Your Printer..............................1
Printer Features................................................................1
4051/4051N plus............................................................1
4056/4056N plus............................................................2
Unpacking Your Printer.......................................................3
Printer Parts......................................................................4
4051/4056 plus Models –Front View..........................4
4051N/4056N plus Models –Front View...................5
All Models –Rear View................................................6
Setting Up Your Printer........................................7
Choosing a Suitable Location.............................................7
Printer Assembly.................................................................8
Ribbon Cartridge Installation..........................................8
Paper Chute Installation (4051/4056 plus models only)
........................................................................................13
Host Computer Connection............................................... 15
Parallel Connection ....................................................... 15
Serial Connection.......................................................... 16
Software Driver Selection.................................................. 17
Power Connection.............................................................. 18
Selecting the Display Language..........................20
Configuring the Printer........................................21
Operator Panel Presentation............................................. 21
Display Messages......................................................... 21
Indicators........................................................................ 26
Function Keys................................................................ 27
Buzzer............................................................................ 35
Printer Setups .......................................................36
Entering the Printer Setups........................................... 36
Moving within the Printer Setups.................................. 36
Leaving the Printer Setups............................................37
Power on Configuration Setup...........................................37
Entering the Power-On Configuration...........................38
Program Setup...................................................................54
Entering the Program Setup..........................................54
Paper Handling......................................................68
Paper Specifications ..........................................................68
Fanfold Paper.................................................................68
Cut Sheets......................................................................69
Cut Sheets..........................................................................70
Loading Cut Sheets.......................................................70
Fanfold Paper.....................................................................73
Inserting Fanfold Paper.................................................73
Parking Fanfold Paper...................................................79
Switching From Fanfold Paper to Cut Sheet................80
Top of Form Adjustment....................................................81
Tear Off Line Adjustment...................................................82
Printer Maintenance and Troubleshooting.........83
Cleaning the Printer............................................................83
Replacing the Ribbon Cartridge........................................84
Printing the Self Test..........................................................86
Error Handling ....................................................................87
Options ..................................................................89
LAN Connection.................................................................89
Automatic Sheet Feeder (4051/4056 plus models only)..90
Unpacking Automatic Sheet Feeder.............................90
Preparing the Printer......................................................91
Automatic Sheet Feeder Assembly..............................94
Paper Specifications....................................................100
Paper Loading..............................................................102
How to Keep the Automatic Sheet Feeder Clean......109
Removing the Automatic Sheet Feeder.....................109
Problem Solving...........................................................111
Printer Specifications.........................................112

Getting to Know Your Printer
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G
Ge et tt ti in ng g t to o K Kn no ow w Y Yo ou ur r P Pr ri in nt te er r
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Pr ri in nt te er r F Fe ea at tu ur re es s
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Common Features
• 9 Needle Print Head
• Draft printing at 480 cps and in Letter Quality at 120 cps
• IBM Proprinter XL III, EPSON FX Series (ESC/P) emulation
• High resolution printing at 240 x 144 dots per inch
• Operator panel with a Liquid Crystal Display (16 alpha-numeric characters), three leds and
eight function keys to control the operating printer state
• Easy usage through the Operator Panel and through software commands
• Printing of the commonly used bar codes
• Plug & Play capability for 95/98/2000®
• Bidirectional IEEE 1284 parallel interface and standard serial RS-232/C-RS-422/A interface.
4051 plus Model Specific Features
• 136 columns
• An Automatic Sheet Feeder (option) that handles large quantities of cut sheets and allows
simultaneous use of fanfold paper
• An optional Ethernet 10/100 Base-T interface that coexists with the serial interface.
4051N plus Model Specific Features
• 100 columns

Getting to Know Your Printer
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Models Common Features
• 24 Needle Print Head
• Draft printing at 480 cps and in Letter Quality at 133 cps
• IBM Proprinter XL24E, XL24E AGM, EPSON LQ 1050/2550 (ESC/P) emulation
• High resolution printing at 360 x 180 dots per inch
• Operator panel with a Liquid Crystal Display (16 alpha-numeric characters), three leds and
eight function keys to control the operating printer state
• Easy usage through the Operator Panel and through software commands
• Printing of the commonly used bar codes
• Plug & Play capability for 95/98/2000®
• Bidirectional IEEE 1284 parallel interface and standard serial RS-232/C-RS-422/A interface.
4056 plus Model Specific Features
• 136 columns
• An Automatic Sheet Feeder (option) that handles large quantities of cut sheets and allows
simultaneous use of fanfold paper
• An optional Ethernet 10/100 Base-T interface that coexists with the serial interface.
4056N plus Model Specific Features
• 100 columns

Getting to Know Your Printer
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U
Un np pa ac ck ki in ng g Y Yo ou ur r P Pr ri in nt te er r
Together with the Installation Guide and the CD-ROM with the User Manual, the following
items are included in the box:
Notify any damage to your supplier.
Paper Chute
(4051/4056 plus only)
Power Cable
CD-ROM
Ribbon Cartridge
Black Ribbon - 3 Mcrt

Getting to Know Your Printer
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P
Pr ri in nt te er r P Pa ar rt ts s
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Interface Board Cover
Operator Panel Paper Thickness Lever
Drive Selection Lever
Printer Cover

Getting to Know Your Printer
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Printer Cover Paper Chute Drive Selection Lever
Paper Thickness Lever
Operator Panel
Interface Board Cover

Getting to Know Your Printer
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Al ll l M Mo od de el ls s – – R Re ea ar r V Vi ie ew w
Power Switch Tractor Cover Rear Paper Entry SlotInterface Socket
Power Socket

Setting Up Your Printer
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Se et tt ti in ng g U Up p Y Yo ou ur r P Pr ri in nt te er r
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Ch ho oo os si in ng g a a S Su ui it ta ab bl le e L Lo oc ca at ti io on n
Consider the following points when you choose the location for your printer:
• The distance between the printer and the host computer must not exceed the length of the
interface cable;
• The location must be sturdy, horizontal and stable;
• Your printer must not be exposed to direct sunlight, extreme heat, cold, humidity or dust
see “Printer Specifications”section later;
• You need a power outlet compatible with the plug of the printer’s power cord. The voltage of
the outlet must match the voltage shown on the printer’s Rating Plate.
After selecting an installation location, install the printer making sure that there is sufficient
space for operation.

Setting Up Your Printer
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Pr ri in nt te er r A As ss se em mb bl ly y
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Ri ib bb bo on n C Ca ar rt tr ri id dg ge e I In ns st ta al ll la at ti io on n
It is advisable to insert the ribbon cartridge while the printer is turned off.
However, your printer can be turned on during this procedure, but do not forget that it must be
disabled to print (Wait displayed and READY led turned off).
1. Remove the printer cover by pressing simultaneously the two buttons in the front part of the
cover.
• If your printer is the 4051N plus or the 4056N plus model, do not remove but lift the
printer cover.
4051/4056 plus Models 4051N/4056N plus Models

Setting Up Your Printer
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2. If you are inserting the ribbon cartridge for
the first time, do not forget to complete the
unpacking procedure by taking off the
plastic hooks that fix the paper bail.
3. Pull the paper thickness lever towards the
front of the printer to facilitate ribbon
insertion.

Setting Up Your Printer
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4. Remove the new ribbon cartridge from its
bag. Remove and discard the holdfast (1)
that blocks the ribbon. Turn the tension
knob (2) to tighten the ribbon.
5. Insert the ribbon (1) between the print
head (2) and the print head mask (3). Lay
the cartridge over the printer carriage (4).
Make sure that the two pins on each side of the cartridge are positioned over the retaining clips of
the printer carriage.

Setting Up Your Printer
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6. Push the cartridge gently down while
turning the tension knob (1). Make sure
that the cartridge clicks into place (2).
7. To tighten the ribbon, turn the tension
knob in the direction shown by the arrow
on the ribbon cartridge

Setting Up Your Printer
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8. Replace the printer cover by first inserting
the hooks (1) into the appropriate grooves
(2) and then lower the cover ensuring that
clicks in place.
• If your printer is the 4051N plus or the
4056N plus model, simply lower the
printer cover to close it.
9. Move the paper thickness lever according to the paper type:
• If a cut sheet is loaded move the lever
towards the back of the printer.
• If a multicopy-chemical paper is
loaded, first move the lever completely
towards the back of the printer, then 1
notch towards the front of the printer
for each copy.
• If a carbon multicopy-paper is loaded,
first move the lever completely
towards the back of the printer, then 2
notches towards the front of the
printer for each copy.
Now, you can load the paper and print your first test document, see “Printing the Self Test”. If
the pattern does not satisfy your expectation, adjust the paper thickness lever again.
When printing on multicopy-paper follow the above instructions to avoid damaging the print head.

Setting Up Your Printer
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Pa ap pe er r C Ch hu ut te e I In ns st ta al ll la at ti io on n ( (4 40 05 51 1/ /4 40 05 56 6 p pl lu us s m mo od de el ls s o on nl ly y) )
The paper chute is provided with the 4051plus and 4056 plus printers. To install the paper chute
in the printer follow this sequence:
To insert the paper chute correctly, make sure that you are in front of the printer and that you hold
the paper chute in the front position.
1. Insert the hook on the left side of the paper
chute in the groove situated near the paper
entry slot.
The figure shows the back of the printer and
the paper chute in the back position for a
good view of the hook and groove. For this
reason, you will see the left side of the paper
chute shown on the right.

Setting Up Your Printer
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2. Flex the paper chute towards the front of
the printer and insert the hook on the
opposite side of the paper chute in the
corresponding groove.
This printer accessory may assume two
different positions according to the paper
type: down position for fanfold paper (A) and
raised position for cut sheet (B).
3. If you wish to position the paper chute
down, lift it towards the back of the printer
and push it gently down until it stops. If you
wish to place the paper chute in the raised
position, lift it and hook it firmly.