purelypaper :: Carbonless Guide

Carbonless Guide

Idem Digital Carbonless Paper

Why Use XE Waterproof Laser Paper?Why use Idem Digital carbonless paper?

Idem Digital carbonless paperIDEM Digital carbonless paper is compatible with the majority of laser and inkjet printers (both mono and colour) as well as being suitable for offset pre-printing.

Conventional carbonless paper is not optimised for use on laser printers and this can lead to the following problems:

  1. The paper weight and moisture content may be inappropriate for laser printing, leading to excessive paper curl and jams.
  2. Laser toner adhesion is poor compared to standard laser grades.
  3. Friction and pressure induced by the paper sheet transport within the digital printing process leads to capsules damage. Solvent may then spread onto the rubber transport rolls and laser drum reducing their lifespan.
  4. High temperature involved during the fusing process can make the solvent fume with some unfriendly odours.

The Idem Digital carbonless paper range meets these drawbacks with optimised weight and moisture content, a unique CB topcoat and special solvent system which offers:

  • Good runnability
  • Best in class toner adhesion
  • No rubber or drum deterioration
  • No unfriendly fumes

Idem Digital carbonless paperAdvantages of Idem Digital carbonless paper:

  • Time and cost saving – forms with personalised data (eg.customer name, number and contact details etc) can be printed on demand and completed as required. Save on the costs of warehousing large quantities of pre-printed forms and reduce the risk of being left with obsolete or out-of-date forms.
  • Customer satisfaction – less administrative time required filling in forms by the user.
  • Organisational efficiency – coloured paper copies for easy filing and distribution.
  • Security – Digital carbonless papers enable printing of multi-part forms with unique barcodes for traceability and security features. Also, when signed, carbonless papers have a value of proof.
  • User friendly: universal use – in and outside the office, for both manual and machine imaging, with flexibility to add information at a later stage.

Did You Know?Idem Digital carbonless paper - how does it work?

An IDEM copy is the reaction of two separate coatings under pressure (from a pen, impact printer, typewriter, etc). One coating, CB (or coated back) consists of pressure sensitive microcapsules, containing colourless dyes known as colourformers, dissolved in an oil. Under pressure, these capsules rupture, releasing the dyes which are then absorbed by the second coating, CF (or coated front). The CF coating is a highly absorbent coating which transforms the colourformers into a sharp, intense image.

There are 3 grades of Idem Digital carbonless paper:

Idem Digital
Carbonless Paper CB

CB
The original or top sheet of a multi-part form with a reverse-side, pressure sensitive coating which transfers an image.

Carbonless Paper CFB

CFB
The pressure sensitive intermediate sheet(s) of a multi-part form which both receives and transfers an image (the most sensitive sheet).

Carbonless Paper CF

CF
The bottom copy of a multi-part form which receives an image. Not pressure sensitive and can be handled as normal paper.

Key:

Carbonpaper key

How to use it?Fanpart Adhesive - How to use it

Carbonless Paper CB

For the completion of self separating cut sets, such as purchase orders, invoices and transportation documents, always use IDEM Fanapart Adhesive – the only product guaranteed for the IDEM range of products.

The adhesive works on the principle of greater absorption between two coated surfaces. Where there are no coatings, such as between the under side of the CF and the upper side of the CB sheet, separation will occur to give individual sets.

Carbonless Paper CB

IDEM Fanapart Adhesive is available in ergonomically designed, easy to pour, 2 and 5 litre containers, and comes complete with a vision strip that shows the amount of adhesive remaining.

Instructions for use:

Carbonless Paper CB

IDEM Fanapart Adhesive does not rely on grain direction, the choice of edge to be glued can be determined by customer requirements, however all sheets to be glued must be of the same grain direction.

Carbonless Paper CB

Preferably guillotine a skim-trim from the edge to be glued and have a margin of at least 3mm free of printing ink.

Carbonless Paper CB

Align the stack carefully at the edge to be glued especially where the top or bottom sheets are heavyweight qualities.

THE STACK HEIGHT SHOULD NOT EXCEED 30CMS.

A heavy weight to hold the stack down is unnecessary. Place a wooden board across the full width of the edge of the stack with a weight on top of it. Use a maximum 1kg weight for a 30cm stack. The purpose of the weight is to avoid the upper sets moving during gluing and not to compress the stack.

Carbonless Paper CB

Use fresh adhesive.

The adhesive is ready for use, but must be well shaken before use.

Carbonless Paper CB

Apply sufficient adhesive using a flat, soft, clean brush of 50-60mm width. Two liberal coats should be applied wet on wet with horizontal strokes from the centre of the stack to the edges.

Carbonless Paper CB

At a temperature of 20-25°C the sets may be separated and moved after 45 minutes of drying although the glue will not be completely dry. To separate individual sets, fan the stack from bottom to top only.

Top Tip

Top Tips:

  • Ideal workroom temperature is 20-25°C and 50% relative humidity. Lower temperatures may retard the drying time of the adhesive. Low humidity may affect the bond strength achieved and should be avoided.
  • The adhesive should be stored in cool light free conditions and the container stored closed.
  • The adhesive is designed for use with conventional CB, CFB and CF set constructions.

Padded cut sets - Some cut sets may be finished as pads; conventional padding glues can be used.

General gluing - IDEM can be spot, or line glued. As some adhesives can affect the copy intensity of IDEM, check with your adhesive supplier for advice.

ApplicationsApplications for Idem Digital carbonless paper

IDEM Digital carbonless paper is versatile and easy to customise. For use with laser printers, copiers and digital printing technology, Idem offers flexibility to save on costs by creating your own multi-part forms in-house. Ideal for producing high quality, short run business forms on-demand. Advantages include:

  • Economic short run printing jobs
  • Fast turnaround for differentiated multipart forms
  • Variable information printing such as barcodes, numbering or personalised forms

Suitable for a wide range of applications:

Invoices, forms, expenses
  • Invoices, Orders, Expenses forms
  • Delivery notes
  • Registration forms
  • Legal documents
  • Pads
Finance forms, contracts, medical forms
  • Market Research questionnaires
  • Finance forms
  • Agreements and contracts
  • Medical forms
  • Internal forms
Accident forms, quotes, timesheets
  • Accident reports
  • Quotes
  • Installation orders
  • Timesheets
  • Tracking forms

Pre-collated setsPre-collated sets - STRAIGHT or REVERSE?

Whether you require straight or reverse pre-collated sets will depend on your type of printer; how you load the paper tray and how the printer outputs printed sheets. Use the following guide to help you select the correct collation of forms for your printer.

We would recommend that if you are in any doubt, you should conduct testing on your printer to determine which product is right for you.

 

Idem Digital

STRAIGHT or REVERSE PRE-COLLATED sets
How to choose the right one for your printer

How do you load paper into the paper tray?

+

Does your printer pull from the top of bottom of the stack?

+

How does your printer present printed sheets?

=

Straight or Reverse pre-collated sets?

Face Up

+

Top

+

Face Down

=

STRAIGHT

Face Up

+

Top

+

Face Up

=

REVERSE

Face Up

+

Bottom

+

Face Down

=

REVERSE

Face Up

+

Bottom

+

Face Up

=

STRAIGHT

Face Down

+

Top

+

Face Down

=

REVERSE

Face Down

+

Top

+

Face Up

=

STRAIGHT

Face Down

+

Bottom

+

Face Down

=

STRAIGHT

Face Down

+

Bottom

+

Face Up

=

REVERSE

The end of each ream of Idem Digital carbonless paper has a label on it which displays an arrow showing the direction of the enclosed paper.

Idem Label

Depending on your equipment, you'll load the ream of paper either Arrow Up or Arrow Down.

TroubleshootingTrouble Shooting

Solution Finding - Finishing

Idem Digital

Sets stick together?

Poor separation – blocking

Ensure correct collation.
Use IDEM Fanapart Adhesive.
Reduce weight applied on stack during drying.
Reduce quantity of glue on second coat.
Ensure no more than 30 seconds between coats of glue.

Sets fall apart?

Poor bonding

Use maximum 1kg weight for 30cm stack.
Apply more glue with first coat.
Allow longer natural drying time.
Clean guillotine knife.

No copy?

Sheets upside down
Wrong grade used

Check before printing and collating. Check collating sequence.

Poor copy intensity?

Damage to CB

Compare with unprinted paper.
Reduce impression pressure to minimum.
Use compressible blanket.

Discoloration?
– Lines

Damage to CB

Adjust pressure of lay on wheels or move – Lines to edges.

Discoloration?
– Overall

Damage to CB

Reduce blanket to impression cylinder pressure.

Discoloration?
– Guillotine clamp marks

Damage to CB

Check for gutter/channel mark. Check knife angle. Use softer clamp material.

SamplesSamples

See how Idem Digital can work for your application and try before you buy. Click here to fill out our on screen form and tell us which Idem Digital items you are interested in. Free samples are sent out in A4 size and despatched via first class post.

Purelypaper Ltd provides all information in good faith but may not be held liable for loss or damage arising from action based on these Buying Guides.

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