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To move pictures do as follows:
1. Move the picture to the right position on a spread.
2. Copy the picture box and place the copy to exactly same position.
3. The right-hand page of the spread: move the left edge of the
upper picture box to the back of spread (otherwise the picture
box remains its position). After that move the picture 3 mm to the
right inside the picture box.
4. The left-hand page of the spread: move the right edge of the
lower picture box to the back of spread. After that move the
picture 3 mm to the left inside the picture box.
As a result you have two separate picture boxes, which both have
same picture inside. In practice a 6 mm wide part of a picture will
be printed twice, but visually the picture continues correct over the
spread.
1.1.5 Naming files
When the pages are in digital format, they are distinguished from
each other on the basis of their file names. For the automated
imposition process it is important, that the pages are put in to order
according to the page numbers. The clearest way to name the pages
is to start the name with 3-digit page number (001_, 002_, etc).
Naming instructions:
– use as short file name as possible. Maximum total length is
31 chars.
– in file names use only numbers 0-9 and letters a-z.
– Do not use spaces; replace them with underscore character (_).
Do not use other special characters.
– use a file extension at the end of the name.
– use a period (.) only in front of a file extension.
– use the product name and its issue number in the file name.
– use the page number in the name.
– if a same file contains several pages, they must be consecutive
in page number order and without empty pages.
– if the product contains language or other versions, always add
the version to the name.
– examples of a good file name:
001_catalog8_ENG.pdf or 007_012_catalog8_ENG.pdf
1.1.6 Line thickness
Don’t use “hairlines” when specifying the thickness of lines.The true
thickness of hairlines varies depending on the software used and
the printing resolution. Specify line thickness either in points or in
millimetres.The smallest recommended line thickness is 0.25 points.
We do not recommend the use of thin lines with half tones or many
colours.The minimum thickness of negative lines is 1 point.
1.1.7 White text
Depending on the web width, paper weight, paper quality, etc. the
rulloffset process might have dimensional changes in a paper. The
dimensional changes of the paper can cause misspass in press. This
problem appears especially clearly, when a small size, white text is
used on a 4-colour image or an multicolour element. These problems
are compensated at Hansaprint’s prepress and press stages, but
the best result will be reached, if you pay attention to the following
recommendations when using white text on multicolour surface:
– Use at least 8 pt type size
– Use font type with even thickness (grotesk, sans serif)
– Use bold or heavy typefaces.
1.2 Colour specifications
1.2.1 4-colour production
In 4-colour production define all colours as process colours (CMYK). It
is very important, that the final PDF file contains only elements with
process colours.
If you have used spot colour definitions in a 4-colour job, check that
also them have been changed to process colours.
So you can be sure, that elements and colours are reproduced cor-
rectly in the print. See more next paragraph.
1.2.2 Spot colour
In cover and sheetfed offset production it is possible to use 1-2
spot colours. Define the colour as a spot colour in layout software
and prepare a PDF in same way as in normal CMYK production.
Hansaprint’s prepress system separates the spot colour as the fifth
separation.
1.2.3 Transparent elements
In 4-colour jobs both transparent elements and with them overlap-
ping elements, must be in the same colour space (CMYK), in order
that the elements and colours reproduce right. Otherwise there will
be an error on page, when transparencies are flattened. An error
could appear e.g. as white background in the area, where the ele-
ments overlap each other. InDesign’s ”drop shadow” is an example
of transparency.
Transparency flattening is a task, which must be performed before
the plate output.
You can preview the elements that will be flattened with InDesign’s
”Flattener Preview” function. In Acrobat check the result with Output
Preview -function.
1.2.4 Rich black
In order to achieve a strong deep black in bigger colour surfaces we
recommend the use of
100 % black (K),
40 % cyan (C)
30 % magenta (M)
30 % yellow (Y)
NOTE! Avoid the use of small size white text with rich black, becau-
se of disturbing misregistration in a print. See more paragraph 1.1.7.
1.2.5 Trapping
Trapping is used to eliminate misregistration, which could be caused
e.g. by the streching of paper. When trapping the adjacent coloured
objects slightly overlap each others. Due to overlapping a small
misregistration does not show in print.
Use of trapping makes multicolour printing easier especially, when
printing paper with poor dimension stability. Normally an uncoated,
low grammage paper causes more misregistration.
Already in planning stage you can minimize easily showing misre-
gistration problems by avoiding the use of small point size white
text (negative text) on multicolour elements. If this kind of text is
used through the product, the misregistration is obvious although
trapping has been used. Check our recommendation for white text in
paragraph 1.1.7.
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Hansaprint uses a partial trapping in its prepress process. Our work-
flow software traps according to given definiations and limit values.
In case more trapping is desirable, it should be a part of page making
process. If you are going to use a layout application’s trapping (InDe-
sign), the PDF pages must be outputted as separated files.
1.2.6 Overprint settings at Hansaprint
Overprinting means that the printing colours are on top of each other.
A layout application defines whether a colour is the result of over-
printing or non-overprinting. As a default setting, coloured elements
should not be overprinting elements.
Hansaprint uses the following settings in its
prepress workflow (notify these settings carefully!) :
1. 100% black is overprinting.
2. CMYK white is knocked out.
3. The overprint settings for coloured elements are preserved.
In other words, the prepress system ignores a document’s 100%
black and CMYK white settings. 100% black is always an overprint
colour and colours under a CMYK white element are always knocked
out.
When producing pages, please pay attention to the overprinting
settings for coloured elements that will be preserved in Hansaprint’s
process. This will help you to avoid unexpected appearance in the
final product.
NOTE! Metallic spot colours (like silver) must be knocked-out from
other colours, because of their high opacity and quite weak ink
trapping features.
Checking the overprint
In advance, check from the document that the print result will be as
desired. You can do this, for example, using InDesign CS versions or
with Adobe Acrobat 6 Pro or newer versions.
In Acrobat 9 Pro and newer versions the overprint preview is set on
in program’s preferences, General –> Page display. If you do not
have overprint setting on, Acrobat discards the document’s overprint
settings on screen.
Overprinting can be checked also with Acrobat’s Output Preview
option. In Acrobat 10 do as follows:
1. Open a PDF file and choose from Tools menu Print Production
and Output Preview.
2. Check Simulate Overprinting.
3. Check on the monitor that the page looks the way you want. With
Overprint Preview you can see overprinting even more clearly,
when you choose Color Warnings and tick the Show Over-
printing.
NOTE!
If you have a printed proof, its validity depends on the settings of the
printer or RIP, which might differ from Hansaprint’s settings.
Setting 1: Set 100 % Black to Overprint
Setting at Hansaprint: ON
In other words, the document settings are discarded.
The setting is on, because a black body text is often placed on a co-
loured surface. If the colour surface is opened under the text, a slight
misregistration will disturb the reading of the text.
With this setting 100% black is always the overprinting colour,
regardless of the settings in a document.
NOTE! Notify this also when you are preparing versions with black
colour change.
Example: 100% black element on a picture.
Print result: The tones in the picture can be seen under the 100%
black element, because it cannot fully hide the picture. The darkness
of the black element varies according to the tones in the picture.
Correction: Change the tone of the element to something other than
100% black, e.g. add 5% cyan or make a rich black. The image will
then be opened under the element.
NOTE! Do not use the correction to black body text. It must be
always pure 100% black.
Printed result
Desired result
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1.3 Fonts
Use Adobe Type 1 or Open Type fonts. Other font types can cause
faulty appearance in prepress process.
Avoid font problems
– If you make a PostScript file, include all the fonts that you use.
– Convert fonts in EPS files into paths.
– Don´t use so-called system fonts. They vary slightly in different
operating systems and might cause erroneous word division
in texts, even in PDF files.
– Don´t ever use ”fast buttons” in software when changing a
font to italics, bold, underlined, shaded or transparent.
Changes made with fast buttons behave differently depending
on fonts or RIP. To avoid these problems, always use genuine
fonts.
1.4 Use of images
1.4.1 Image resolution
Ensure that the image resolution is sufficient for printing. Ideally the
image resolution is twice the screen line. The screen line ruling is
determined according to the used paper and press.
Guideline values for image resolution:
Print Method
Paper
Coating
resolution
ppi
Screen ruling
lpi (lcm)
Sheetfed (SFO) Coated
350
175 (70)
Heatset (HSWO) Double coated 350
175 (70)
Heatset (HSWO) Coated
300
150 (60)
Heatset (HSWO) Uncoated
240–266
120-133 (48-54)
Preparing the images with resolution 350 ppi, you ensure the
resolution is sufficient for all printing. If you know the used paper
and press combination, you can surely prepare the images to a lower
resolution. As a benefit you’ll get a smaller file size, otherwise it has
no importance.
NOTE! Enlarging the image in a layout reduces the effective resoluti-
on. E.g. after enlarging a 350 ppi image to 200%, the real resolution
is no more than 175 ppi.
1.4.2 Total Ink Coverage in CMYK images
The total sum, in percentage, of partial colours in the darker areas of
an image are determined according to the paper and press used. In
addition, this value is also affected by any UCR or GCR function that
is used. Today, the ICC profiles include this information. By using a
proper profile in colour separtaion a correct TIC value is determined
automatically into the images.
The total ink values used for standard output profiles are described in
the table below. The total ink values in the table – and the functio-
nality of the profiles – are based on the printing according the values
defined in standard.
Guideline values for Total Ink Coverage (TIC):
Print method
Paper coating
Ink coverage %
Sheetfed (SFO)
Coated
330
Heatset (HSWO)
Coated
280–300
Heatset (HSWO)
Uncoated
260–270
1.4.3 Dot gain
Dot gain is determined in images according to the print method,
paper and the colours used. Hansaprint follows the dot gain values
defined in ISO 12647-2 standard. The dot gain increases graually
when going from hevy coated paper to newsprint paper.
Also, dot gain values are included in an ICC profile. For this reason,
it is important to know at the image production stage from which
process and on what kind of paper the job will be printed, and then
use a proper output profile for the CMYK conversion.
Desired result
Print result
Overprint Overprint
Setting 3: Set Colors to Knock Out
Setting at Hansaprint: OFF
In other words, the document’s settings are preserved.
Example: Text defined incorrectly as overprint colour. In the printed
product the text should have a blue colour.
Print result: Text has dark green or dark grey colour, because yellow
surface is not opened under the text.
Correction: The overprinting definition must be removed in the
original document.
Original PDF file viewed in
Print result
Acrobat with Overprint Preview.
Overprint
Setting 2: Set Overprint CMYK White to Knock Out
Setting at Hansaprint: ON
In other words, the document settings are discarded.
Example: White text defined incorrectly as overprint colour.
NOTE! If you are viewing this situation in Acrobat with Overprint
Preview on, you can see only the blue element, because white text is
transparent in 4-colour printing.
Print result: White text is seen in the blue element, because its
overprint definition is removed in Hansaprint’s prepress process.
Correction: Is corrected in Hansaprint’s prepress process. Still
the best solution is to correct the problem already in your native
document, provided that you notice the problem, e.g. with Acrobat’s
Overprint Preview.
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1.4.4 Enlargement of images in publications
If the image resolution is in accordance with the guideline values,
you can safely scale the image in publications by 50% to 130%. The
greater the change in image enlargement, the poorer the quality of
the printed image.
If you intend to reduce the size of the image by more than 50%, make
the change in the image processing program.
1.4.5 Image format
The colour format of images must be CMYK, when making print
ready PDF. Further information is given in item 3.1.2 Supported image
formats.
1.4.6 Image linking
The images ought to be in the publication as links (supplied as docu-
ments). Don’t position an image in the publication so that a perfect
copy of the image is inside the publication.
1.5 raw text
Raw text material should be saved in RTF format.
1.6 Proofs
Always supply a proof of the very latest version. If possible, a 1:1
scale version of the proof should be given. If the proof is not 1:1
scale, this should be clearly marked.
In a digital prepress process, proofs are also printed from digital
material. Digital proofs can be divided into two groups, content
proofs and contract proofs. With a digital contract proof is meant a
proof with accurate colours, which means that the colours of proof
and printed matter are inside a small tolerance.
1.6.1 Content proof
The proof is produced using a printer or copier. The proof can be used
to make a rough check on the accuracy of the text and colouring (“red
is red”), but the colours do not correspond to the printed end product.
1.6.2 Contract proof
By contract proofs is meant proofs which can be used to check colour
tones. The proof is made on a proofer calibrated for print quality.
The validity of a contract proof must be checked by measuring a color
bar, like Fogra Media Wedge, which has been printed on the proof.
The proof is acceptable, if the following tolerances are passed:
– paper tone (dE 3)
– max dE
(dE 6)
– primary color (dE 5)
– average
(dE 3)
Equip the proof with the OK-label of an accepatable measurement.
NOTE! With contract proofs the following limitations may be
encountered:
– It is not always possible to predict the influence on print quality
of the paper used in the printing.
– It is not always possible keep the final printed product identical
to the proof as far as all colour tones are concerned.
– If the digital proof technique does not produce halftone dots,
moiré effects caused e.g. by difficult textile patterns might not
be reproduced on the proofs.
1.6.3 Observing environments of proofs
The colours of contract proofs, as well print, must be examinated in
standard lights D50 (5000 K).
A change in lights changes also the viewing of colours in a observer’s
eye. Note, that between print and proof, the change can be different
due to different materials.
2. Colour Management
2.1 ICC-profiles
When you are preparing images and proofs for printing, use for
separation and proofing the ICC profiles recommended by Hansaprint.
These profiles are descriptions of the colour separations that are
suitable for our printing processes. This means that a profile contains
information on dot gain, trapping, etc. All of our profiles are output
profiles.
When the profiles are used for colour separation, proofing or monitor
acceptance, be sure that the procedure is performed correctly. For
example, if the profile is used for proofing, should your proofing
workflow support ICC-profiles. It is also very important that the proo-
fer itself is calibrated and profiled. The profiles used for simulation
should be able to be read from the proofs.
When using output profiles for CMYK conversion, you should remem-
ber that low quality pictures do not improve by the profile. The profile
only optimizes the colour separation for the printing process used.
How to choose a proper profile?
All of our profiles are made for traditional screening. You should
select the correct one according to the:
– paper quality
– printing method (sheet-fed offset/web offset).
You can find all of the necessary variations from our website,
www.hansaprint.com.
NOTE! If you don’t know which profile should be used, ask always
from Hansaprint.
2.2 Softproofing with a profile
When you want to simulate a profile on screen, do as follows:
1. Make sure that your monitor is calibrated.
2. In Photoshop, open the image using the embedded profile.
If a profile is not embedded, use the profile in which the image
has been adjusted.
3. Select the desired profile from the Proof Setup menu.
4. If a CMYK image has another embedded profile, check
Preserve Colour Numbers.
NOTE! This is not active in the case of a RGB image.
5. Check ‘Paper White’.
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2.3 Proofing with a profile
If you make a proof with digital printer, do as follows:
1. Make sure, that your proofer supports colour management.
2. Calibrate the proofer and use the paper profile together with
a proper output profile.
3. Certify the proof by outputting a measurable scale – like Fogra
Media Wedge – on the proof. Then measure the scale and let the
software make the comparison between the measurement and
the corresponding values of output profile used.
2.4 Profile conversion in image processing applica-
tion
RGB-to-CMYK
Hansaprint recommends the following procedure for RGB –> CMYK
conversion (separation):
1. Make sure that the RGB image uses a proper working space
profile (source profile). This means the profile that was used
when adjusting and approving the RGB image.
2. In Photoshop, move to Convert to Profile… menu.
3. Select the desired output profile as the destination profile.
4. The rendering intent can be chosen by comparing different
intents and choosing the one that provides the best result.
The best result is often achieved with relative Colorimetric
intent, which Hansaprint also recommends for most cases.
CMYK-to-CMYK
In the case there has not been used a profile recommended by
Han-saprint in a CMYK separation, ensure the functionality of the
image by proofing it with a profile we recommend. If there is a clear
difference, make the CMYK-to-CMYK conversion as following:
1. As a source use the profile used in the first CMYK separation.
2. Use a correct profile as a destination profile.
3. Use relative Colorimetric intent.
2.5 Profile conversion when exporting PdF
The profile conversion can be done when exporting PDF file in
InDesign. This kind of workflow is used normally, when the layout
contains images in RGB mode. The benefit is, that there is no need to
archive CMYK images.
If you are going to use this method, notify the following:
– you must make all adjustment to the images in RGB mode.
– you must use same rendering intent for all images on a page.
– the sharpening of the images.
– make sure that all other elements than images in the layout are in
CMYK mode.
Do as following (InDesign CS 5.5):
1. Check in InDesign Colour Settings that the Colour Management is
on, see chapter 2.7.
2. In colour settings check that in Working Spaces -> CMYK is se-
lected the proper output profile. This means the profile, which
the printhouse has recommended to use for CMYK conversion.
3. In InDesign choose Export...
4. On the Output tab in Colour select the following settings:
– Colour Conversion: Convert to destination (Preserve
Numbers)
– Destination: Check the output profile is correct.
– Profile Inclusion Policy: don’t Include Profiles.
5. Make sure that the setting on the other tabs are correct and then
export the PDF.
NOTE! It is important to use the alternative “Convert to Destination
(Preserve Numbers)”. This settings makes a conversion only to the
images which are in RGB mode, or to the CMYK images which have
embbedd some other output profile than the destination profile here.
In CMYK-to-CMYK conversion is provided that Preserve Embedded
Profiles is selected also in the CMYK policy of Colour Settings, when
the InDesign document is prepared. See chapter 2.7.2.
2.6 Profiles and print-ready PdFs
In a print-ready PDF file, there is no need to have profiles with the
images. If a profile exists, it will be ignored by Hansaprint’s prepress
system. The same concerns a tagged PDF file also.
Rather, if a PDF file contains an RGB image, the system will perform
CMYK conversion using Hansaprint’s output profile for coated paper
and web offset method (HSWO).
2.7 Colour management in a page layout applicati-
on
It is possible to simulate a print result in page layout applications by
setting the colour management to on and choosing a proper desti-
nation profile. However, if you do not need colour management, the
safest way to work is to turn it off, because incorrect settings in the
print process can cause problems in the prepress stage.
2.7.1 Colour management OFF
If you do not need colour management, turn it off.
do as follows (Indesign CS5):
1. Go to the Colour Settings in InDesign.
2. In Settings choose the alternative: Emulate Adobe Indesign 2.0
CMS Off.
3. Click OK to accept the settings.
Profile conversion when exporting a PDF file. NOTE! Make sure that
you select as a destination profile the spefic output profile recom-
mended by Hansaprint.
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InDesign CS 5.5 Colour Settings, Colour Management ON.
3. Material delivery
What material is the best and when? This section deals with
the different ways that material can be delivered to the print-
ing plant. digital material can be delivered in two different
ways: in document format or in closed format. A closed format
is the safest and, from the point of view of quality, the best
way to deliver completely ready material to the printers.
Our repro department is at your service with respect to page
pre-paration of editorial material for magazine and other
publications.
If you don’t use Hansaprint’s repro, we always require the
closed format delivery.
3.1 delivery in open format
If you use an open format, please check that all the material relating
to the work is included. Delivery in document format means that e.g.
QuarkXPress document is sent to the printing plant complete with all
related files (images, logos, fonts, eps files, tiff files etc.). The prin-
ters open the delivered document and update all the necessary fonts
and links and output the document in the desired form (file, proof).
Send the files as line transfer or by saving the documents on trans-
ferable media (CD-ROM, DVD). Image originals and proofs of layout
designs can be sent by post or courier.
2.7.2 Colour management ON
When you want to turn on colour management, choose the settings
according to the picture below (InDesign CS5).
do as follows:
1. Go to the Colour Settings in InDesign.
2. Define the settings according to the picture. Pay attention
especially to the following:
– For the CMYK profile choose the profile that is suitable for the
job you are doing.
– In ‘Colour Management Policies’, choose: Preserve numbers
(Ignore Linked Profiles).
3. Click OK to accept the settings.
Although we will endeavour to the best of our ability to handle your
data safely in our system, never send us irreplaceable original files;
always send copies. Although we will endeavour to the best of our
ability to handle your data safely in our system, never send us irrep-
laceable original files; always send copies.
If you do not use Hansaprint’ repro, we recommend that the material
is delivered in closed format.
3.1.1 Supported software
Only Macintosh OSX versions of software are supported. Hansap-
rint supports Adobe Creative Suite (CS) product family. We use the
newest software versions, which are available in Finland.
3.1.2 Material enclosed along with the document and its organisation
Linked files
Enclose all the necessary line and tone images (generally .eps or .tif).
Ensure that all the fonts in logos and such like have been converted
into paths.
Supported image formats
Hansaprint supports EPS,TIFF and SCITEX CT, which are in composite
form. If a clipping path has been used in an image, don’t use the TIFF
format. Don’t use DCS images. Remember to give images sufficient
resolution.
Fonts
Use Adobe Type 1 or Open Type fonts, enclose them along with the
material. Further information about the use of fonts can be found in
section 1.3.
Proofing
Always supply a proof of the very latest version. After treatment,
material delivered in document format, including advertisements, will
be proofed at Hansaprint.
3.2 delivery in closed format
The closed format is the safest and best way to deliver print-ready
material to a print house. With closed format, delivery means that
one file contains all the material, in other words all the linked ima-
ges, logos, graphics and fonts. A closed format file can have many
pages just like a document.
Hansaprint supports as closed format PDF. If you want to use some
other closed format, contact Hansaprint prepress to ensure its
suitability.
3.2.1 PDF
Material consisting of a PDF file contains all the required elements.
Everything belonging to the page – text, images, graphics and fonts
– is packed into a single file, which in practice is locked. When
material is delivered in this way, you can be highly confident that it
will be printed at the printers in the same way as it was during the
planning stage.
NOTE! All elements must be in CMYK format in the print-ready
PdF file delivered to Hansaprint.
We do not proof PDF files in Hansaprint. Always supply the proof
from the very latest version.
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3.2.1.1 Preparing a PDF file
A PDF file is made with Adobe applications as following ways:
1. either exporting from InDesign or saving in Illustrator.
2. or in a two-stage process printing first a PostScript file (.ps) from a
layout or graphic application and then making a PDF file from the
ps-file in Adobe Distiller.
All elements embedded
The PDF file must contain all elements and fonts. Make sure, if you
have linked EPS files to your advertisement, that the fonts they requi-
re are also included in the file. The surest way of ensuring this is to
convert the fonts used in logos and such like to vector graphics.
Output as single pages
Saving pages as spreads is not allowed, but the pages must be
printed as single pages. One file can still include several pages, but
the page numbers must definetively be consecutive. However, the
clearest way is to save one page per a file.
Corrected pages
If you send pages for replacing, send only the corrected pages and
only one page per a file. So you can be sure only the corrected pages
will be changed.
3.2.1.2 PDF settings
Download Hansaprint’s PDF settings – joboptions file – fom our
website www.hansaprint.com, Material Instructions.
Image compression
In Hansaprint’s Distiller and InDesign settings, the compression set-
ting ZIP has been used. ZIP does not discard any image information.
This ensures that the image quality of the original is maintained.
If you want to use more effective image compression to obtain a
smaller file size, we recommend you choose JPEG with maximum
quality. If you want to use Compression setting JPEG, you should pay
attention to the following:
– JPEG is an information-lossy method. We recommend using
the Maximum quality level. This means the best quality available
under the JPEG setting.
– Distiller 5 and older versions uncompress the compressed
images and recompresses them again.
– The size of a PDF file is smaller than the size of a file made
using ZIP settings.
Image resolution
The resolution value 525 ppi discards any ”unnecessary” information
about the image that the halftone process can not reproduce. If the
real resolution of an image is below 525 dpi, downsampling will not
be performed.
PdF format
Our prepress system supports PDF format 1.6 Acrobat 7), as it shows
in the setting images. However, we accept also PDF files produced by
the formats 1.3, 1.4 and 1.5.
3.2.1.3 PDF output with InDesign Export command
From InDesign CS versions you can output a PDF file using the Export
command. With the other applications we recommend PDF preparati-
on via the PostScript output.
From the following pictures you can find the proper Export settings
for InDesign CS 5.5, which produce the PDF file according
Hansaprint’s requirements. Settings have been optimized for Kodak
Prinergy workflow system and offset production. You are able to
download the settings from our website www.hansaprint.com,
Material Instructions.
NOTE! Before exporting see the colour specifications from parag-
raphs 1.2.1, 1.2.2 and 1.2.3, and also the colour settings of InDesign
from paragraph 2.6.
Our prepress system supports PDF format 1.6 (Acrobat 7), as it shows
in the setting images. However, we accept also PDF files produced by
the formats 1.3, 1.4 and 1.5.
1. General
2. Compression
Documents you may be interested
Documents you may be interested
