Archive for the ‘Four Color Process’ Category

Competing with the Quiet Imaginings

Monday, March 23rd, 2009
There's nothing like a book.

There's nothing like a book.

Did you ever go into a library, especially an old library, and breathe in the smells? When I was growing up we lived near such a library. Close enough that I became a a frequent visitor,  and without parental supervision. They issued me my first library card at five. I couldn’t read, but I knew that words meant something. I checked out books and took them home for my mother or father to read them to me. I couldn’t wait until I began  school and learned to read for myself.

I heard somewhere that the sense of smell is the one most strongly connected to memory. If you can remember the smell you can transport yourself back in time and recapture the sights, sounds, and feelings. Old libraries have that effect on me. There is a sense of wonder roaming the shelves. Rows and rows of books often stacked to the ceiling filled with knowledge, information, and entertainment. It’s real. It’s tangible.

Maybe I’m just an old fogy but how can bits and bytes under computer glass replace it? Computers have their place, I’m using one right now as a matter of fact, but you can’t cozy up with one before a warm fire in your slippers and red plaid robe, your faithful furry companion by your feet, now can you? Computers have the ability to take you anywhere, but no matter how much information the computer provides along with beautiful photographs, and 3-D maps, to experience the majesty of the Grand Canyon you just have to go there. You have to stand near the edge and look all way down to the green sliver of the Colorado River far, far below. The only thing remotely resembling the experience itself is your imagination.

I hear from my fellow printing professionals that printing is a declining industry. I don’t think that it is really declining as fast as some would lead you to believe, but printing, once the darling of mass communication is giving way to more efficient means. Again, what I’m doing right now in writing this blog is making my own attempt at mass communication and skipping the printed word. If someone downloads, and prints this out for office distribution then it will be printed, but not under my direction. Maybe this blog will really strike a chord, go viral, and be picked up by news magazines. That is a pipe dream of course. I know it, but I still keep clacking my keys in a vain hope that it could happen.

The bottom line? Changes are coming. Changes are here. But I believe it will be a long time, if ever, before we are willing to give up the feel, and smell of a book, or for that matter magazines. There is something about them that can’t be experienced through a monitor. Oh you can find electronic books and magazines on the net. And maybe the information found there is more in-depth because of magical things that the computer can do like animations, sounds, videos, and various other whiz-bangs, but can it really compete with the quiet imaginings that form in the mind from plain black type on white paper?

Printing on Black Paper

Wednesday, March 18th, 2009

It isn’t just black that creates a problem, any dark colored printing paper presents challenges. The biggest hurdle is that printing inks are transparent. CYMK (Cyan, Yellow, Magenta, and Black) dots are meant to be seen through. Overlapping dots create the color variations, you know, blue + yellow = green or yellow + red = orange. So what happens when you print transparent ink on dark paper? Right, the stock overwhelms the ink and you either don’t see it or the image is so faint as to be useless.

“Why do the mills create printing papers that won’t work well on press?” you might ask. Ah, that is a good question. Those wily paper mills know what Graphic Designers want and bold colored paper is often the best choice for their project. Strong color adds drama that you just can’t get with pastel shades. Again, “Why use it if it won’t yield a good result?” Printers have more than one trick up their sleeves. There are other processes that can be employed to print on dark paper.

Reverse Image:

Reverse image and type

Reverse image and type

The simplest way to achieve a dark background with a light image is to print it. Print the background with solid black, plum, or forest green on a white stock. Leave a window for the images, and you can achieve almost any look you want. The difficulty here is that offset printing is done with dots, as we discussed in an earlier blog. Print the dots on a textured or soft paper surface and you’ll probably end up with streaky, or splotchy solids. The paper surface makes a big difference. Make sure you discuss these issues with your printing professional before you go to press. Streaky, splotchy surprises are not fun.

The  poster to the right for the Rhythm City Dance School is a good example of reversed images. The type is white, but the dancer is gray. White is the color of the stock and the gray was achieved by using a screen of black (separating the black dots).  The point is, that while this piece appears to be printed on black paper it is really printed on white paper with a lot of black ink.

Foil Stamp:

Most foils are made opaque on purpose. They will cover any background color. The problem is that foil stamping is more costly than offset printing because it requires a die, the foil, and equipment that runs slower. The good news is that foil is available in a wide spectrum of colors, and finishes. For example you can get gold foil in satin, flat, shiny, and really shiny. It also comes in many shades. Gold foils are available in yellowish tints, greenish tints, and nearly bronze. Other foils that work well are white, silver, or clear.

Blind Emboss:

An excellent treatment to employ using dark paper is the blind emboss. Blind embossing raises the surface of the paper creating an image that is perceived by its height. It’s like a white-on-white blouse. The color is the same, but the pattern is revealed anyway. Blind embossing will cost more also than offset printing. Dies can get very pricey depending on the number of levels in your image. Most blind embosses are one level, but I’ve seen sculptured dies with a face or animal that are very complex. Sculptured dies, as you might imagine, can get into the thousands of dollars.

Foil Emboss:

As you might expect foil embossing uses both techniques. The image is foil stamped and then raised via blind emboss. A combo die can be created for this effect. Combo dies, as you probably guessed, cost less than buying two separate dies.

Opaque Inks:

Most opaque inks are not as opaque as you would like them to be. Imagine painting a light color over a previously dark wall. If you’ve had this experience you know that one coat won’t be enough. You might have to do two, three, or four coats before the wall is right. It’s the same with opaque inks. To blot out a dark surface the printer may have to double-bump (hit the image twice with the same color) and that probably won’t be enough. Additional bumps should work, theoretically,  but with each pass through the press you risk slurring your image or ruining paper. Paper is not indestructible, you know.

Metallic inks usually work better for this purpose. Metallic inks are made with up to 70% heavy metals, but even with metallic ink you will probably have to double-bump the image. And, this technique is not recommended for large areas.Type works better than swaths  of color which may show up blotchy.

Black-on-Black:

I’ve seen some excellent results with combinations of  black. For example, black paper on the market is almost always uncoated, which means that the color is a little flatter. If you use a black foil stamp or clear foil you can create a striking look by contrasting the paper surface with the shiny image.

Spot UV Coating:

It used to be that UV coating on uncoated paper was a no,no. There are new formulas that will allow spot UV, but aren’t guaranteed. Much depends on the paper you select. If you want to try spot UV coating, be sure to get samples from your local paper merchant, and have the printer test it.

Respect the Proof

Monday, March 16th, 2009

What do you look for on a proof? That seems like an easy question and it used to be a little easier to answer than it is now. The first thing you need to understand is that your signature on the proof releases the printer, or the broker, from all responsibility for the printed piece. By that I mean, if the product is a close match to the proof, but you don’t like it after all, or you found an error, the problem is yours.  Don’t blame the printers even if they were the ones who introduced the mistake. Proofs are your chance, often your last chance, to make sure everything is right before printing. I often hear customers say they don’t need a proof, or they don’t want a press check. That, in my opinion, is a big mistake. More than once I’ve seen jobs get  all the way to the press before the customer notices a critical error like a wrong phone number, or address.

wrong + wrong = right

Printing, in general, is an imperfect process. I’ve written about this before, but it bears repeating, you start with the premise that oil (ink) and water (fountain solution) don’t mix and proceed to make it work. It’s a case of two wrongs making a right.

Back to the question of checking a proof. What you look for depends on the kind of proof you received. Most printers are now using direct-to-plate technology. Direct-to-plate has revolutionized the plate making process. A print shop of not too many years past used to have large rooms with big light tables throughout. The light tables were used to strip the film. Now the tables are gone and the rooms are empty, leaving lots of space for an arcade, or shuffleboard. I’m kidding, but what do they do with the extra space? Maybe shuffleboard isn’t a bad idea. In the era of the light table and hand stripping proofs they were  either bluelines (for one color printing), or color-keys (for four color printing). You aren’t likely to come across these terms anymore, but you might, so I’m telling you about them. There were other kinds of proofs too like Matchprints, or Chromalins. No matter what kind of proof was presented to the customer there was always one flaw–the color proofs were good for four color process, but if you used a PMS color from the Pantone book, you had to guess at the result. Kind of like looking at a small  paint chip vs. painting a large wall. Most printers will provide a digital hard-copy proof.

What do I look for?

Generally you want to check a hard-copy proof for:

  • Color. Does it look like the color you expected to get? Remember though, the color that appears on your computer monitor might not be the actual color. Ripped (separating the colors into dots) color is different. Your monitor’s pixels are RGB (red, green,blue) and ripped color is CYMK (cyan, yellow,magenta, black). If the color is way off, you might have to go back and fix some things or have the printer help you fix it. If the color is close, don’t make yourself crazy, let it pass.
  • Size. If your image was supposed to be 8 1/2″X11″ and it comes out as 4″X6″ there is a problem.
  • Type. Because computer design is done in layers, it is very easy to cover a portion of your type block with a window. You may not see it on your screen, so you need to watch for it on the proof.
  • Reflow. This is becoming less of a problem than it used to be, but you should still watch for it. Reflow usually happens when the font you are using doesn’t match the font in the printer’s system. If you haven’t downloaded your fonts they will default to the printer’s defaults. Small sizing or kerning (the space between letters) can throw your document off. Particularly if you are using a PC and the printer is on Mac.
  • Missing or Added elements. I think this one is self-explanatory.
  • Bleeds. If you want your piece to bleed (ink goes to the edge of the sheet) did you allow a 1/8″ overhang beyond the trims?
  • Back up. Does the front back up correctly with the back? You might need a second low-res proof to see this, but unless back up isn’t important, be sure you get a folded proof.
wait til the press check

What to ignore or save for the press check.

  • PMS or Spot color. Ripped proofs are still using four color process dots to create approximate color. It can be way off. If you are concerned about the spot color, do yourself a favor and attend a press check.
  • Small dots. The computer picks up very small dots and reproduces them on the digital proof. A 1% to 3% dot may not appear on the plate. If those dots are important to the design be aware that they could disappear. If the dots are fighting your design the same is true. To be sure, go to a press check.
  • Paper. The proof you see will be different when ink touches paper, particularly if it is an uncoated sheet. All proofs are approximations. To know for sure you have to see the ink on paper.

Respect the proof. That might sound funny, but if you attempt to glance at the proof and give it a cursory approval, you are bound to have mistakes. Stop, take a deep breath, and concentrate on the proof. You’ll have fewer errors. And maybe, fewer times called on the carpet.

The Easy Way To Reach Bill Ruesch
He's available to help you with any of your printing, or publishing needs. Please contact him if you need a book, marketing materials, or anything else printed. His thirty-five years of experience, and thousands of happy customers is your guarantee of satisfaction.

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