Guardian & Observer Proofing Guidelines

United Kingdom (National)

Ad Specifications



NOTE: Updates, changes and Additions are underlined.



From week commencing 6th of April 2009, we will no longer require printed hard-proofs for any of our products. For quite some time The Guardian and The Observer have used Colorbus as our only approved method for colour matched proofing. However, it has long been an ambition to open this to a wider range of options, which has not previously been possible as the tools and infrastructure simply weren’t there. Now we feel that we can achieve our goal by using the print standards available across the industry and asking advertisers and advertising production clients to match these standards with any proofing solution they use that they know can achieve the required accuracy.

We continue to support Colorbus for most products and will continue to provide Colorbus ctt profiles where necessary; this will change however as time moves on. From the notes below, you will see that we no longer support Colorbus proofing for Observer Magazine. Note also that, although the proofing for Weekend Magazine has also recently changed, colour results for the new profile are so close to the old profile that we will continue to support Colorbus proofs and proofs using the previous PTN_P3_LWC2_SM_3174 U320 K95.icc profile, although we will no longer provide this proprietary profile to clients. Anyone that wishes to run tests with us should contact our Ad Production department.

We do not hold or supply GMG colour targets. If you require these, you will have to speak to the appropriate print site(s). We can usually provide contact details if required.

Obviously, we expect you will continue to provide printed proofs to your clients for contract purposes but, although you can still send proofs to us, we will no longer forward them to the print sites. In the event of a colour complaint we will ask you to provide printed copy which we will then use to compare with our own proofing methods. This is the only time we will ask for printed material from you. The Guardian and Observer has a very strong policy regarding sustainability and green issues and we are looking at every aspect of our methods and work practises and would like to invite you to join us in this by working with us and not sending printed proofs. Your comments and thoughts on sustainability and green practise would be most welcome.

NOTE: Change to Guardian Weekend Magazine profiles



This document was last updated on: 23/10/2012





PROOFING STOCK and PROFILES


Note: Any paper stock referenced on this page can be found and purchased from Colorbus Online Here

Profiles mentioned below are widely available from industry sources or on request by emailing one of our production assistants:

Dave Kirwan
Simon Cottingham
Ian Donegan

For Colorbus maintenance, support, profiling or information on Guardian profiles for the Cyclone RIP please call:

Mike Taylor at Metamerist Ltd.
www.metamerist.co.uk
Mobile: 07767776505



NEWSPRINT


We print to newsprint using the ISO Newsprint 26v4 standard which is widely available and used throughout the industry. All current proofing systems should be able to match this standard.

Paper stock is widely available but you can get it from the Colorbus Online website and it will look like this:

80gsm, News2 proofing paper compatible with HP,Epson,Canon. 23"/580 x100m

Note: This is a change to the previous 57gsm newsprint paper, which due to cost and availability is no longer available.

ICC: ISOnewspaper26v4 – Available from Here

It is also available within the Specle Guardian G1 page Here: along with other technical specifications

The equivalent Colorbus profile is: GuardianBerliner02.ctt
(available on request via Guardian email contacts above)

Note: The maximum ink weight for this product is 240%



MAGAZINES


Observer Magazine.


NOTE: As of Issue 7th November 2010 we will no longer support Colorbus proofing for this product. If you have a cyclone rip and wish to continue working with it, it will still work as the physical printing process hasn’t changed. The new profile is simply a better match. However, If you wish to develop your own Colorbus match to the new profile and need some help, Mike Taylor still supports the system and we can grant him access to our own proofing equipment to help him build a new Colorbus profile or to simply offer advice. This is a third party agreement and costs have to be negotiated with Mike directly. If you wish to do this you can contact Mike here:

The new profile is called: PSR_SC_PLUS_V2_PT.icc – Available Here

It is also available within the Specle Observer Magazine page Here: along with other technical specifications.

Maximum ink weight = 360%


Guardian Weekend Magazine


The current Colorbus profile is: SATMAG_4800 (available on request via Guardian email contacts above)

NOTE: Change to profile


The ICC profile for Guardian Weekend is changing from publication dated 3rd November 2012 (Copy deadline: 26th October) and will now be: PSR_SC_PLUS_V2_PT.icc – This profile is available Here
It is also available within the Specle Weekend Magazine page Here along with other technical specifications.

Maximum ink weight = 360%


Observer Food Monthly


• (Covers – Glossy)

The current Colorbus profile is: SATMAG_4800 (available on request via email contacts above)

ICC: ISOcoated_V2_eci.icc (300%) – Note: This is equivalent to Fogra 39L and is available Here.

Maximum ink weight = 300%

• (Inside – Improved News)

The Guardian no longer supports Colorbus proofing for non cover pages for this product. However, if you wish to have a Colorbus profile created to match the new profile (below), you should contact Mike Taylor using the contact details provided on this page

NEW! PSO_SNP_Paper_eci.icc – Available Here.

All profiles are also available within the Specle Observer Food Monthly page Here along with other technical specifications

Maximum ink weight = 260%


The Guide


• (Covers – Glossy)

The current Colorbus profile is: SATMAG_4800 (available on request via Guardian email contacts above)

ICC: ISOcoated_V2_eci.icc – Note: This is equivalent to Fogra 39L and is available Here.

Maximum ink weight = 300%

• (Inside – Improved News)

The Guardian no longer supports Colorbus proofing for non cover pages for this product. However, if you wish to have a Colorbus profile created to match the new profile (below), you should contact Mike Taylor using the contact details provided on this page

NEW! PSO_SNP_Paper_eci.icc – Available from Here.

All profiles are also available within the Specle Guardian Guide page Here: along with other technical specifications

Maximum ink weight = 260%


Note: Observer Woman, Observer Sport and Observer Music magazines were discontinued as of 21st of February 2010

The paper stock for all magazine proofing remains the same: semi-matt 260g through Epson 7880 or 4800 printers. You will see it on the Colorbus Online website in 17" and 24" sizes as:

Fogra Premium Silk/Matt… 260gsm, Fogra Premium Certified Proofing Media (ISO 12647-2), 17″ × 30m… Fogra260-S17

Fogra Premium Silk/Matt… 260gsm, Fogra Premium Certified Proofing Media (ISO 12647-2), 24″ × 30m… Fogra260-S24


For size and column specifications please go to the following link where you will find spec for all of our products: Guardian & Observer on Specle

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