The Commercial Printing Process: From File to Finished Print

estimated reading time: 6 minutes

What happens after you upload your artwork file?

The commercial printing process can seem a little mysterious. You upload a design file to a printing company, and sometime later boxes of professionally printed materials appear at your door or loading dock.

But what actually happens between the file upload and the finished prints?

Though every print project is different, most jobs follow the same series of steps to ensure a high-quality final product.

Below is a simple overview to help you understanding the basic stages of the commercial printing process…

1. Initial File Review

The process begins when a customer submits an artwork file, usually through an online upload portal or via email. Upon receiving it, a member of the printer's team will verify that the file's content and attached correspondence matches the requested specifications for the project.

Examples of things checked at this initial stage include the final trim size, paper type and thickness, order quantity, page count and binding type (if a bound document), and finishing options.

If anything appears inconsistent - such as an incorrect size or missing pages - the customer will be contacted for clarification before production moves forward.

This early review helps prevent costly mistakes later in the printing process.

2. Prepress File Preparation

Once a file passes the initial review, it moves to the Prepress stage. This is a more technical review of the file to prepare it for production and ensure the job is truly press-ready.

During this phase, a prepress technician uses specialized software to check many important details, such as image resolution, color mode (typically CMYK), embedded or outlined fonts, proper margins, bleed, and crop marks.

The Prepress stage may also involve arranging the file layout to better fit the press sheets and ensuring the colors will reproduce accurately during printing.

If any issues are discovered at this point - such as low resolution images or missing fonts - the printer may request revised files from the customer.

3. Proofing and Approval

Prior to production, a proof is created so the customer can review and approve the final layout of the project.

Proofs are important because they ensure all the elements within the design have the proper appearance and placement. Proofs are either created as digital proofs or printed proofs.

A digital proof, also known as a soft proof, refers to an electronic file that displays on a computer screen. As such, soft proofs do not exist in physical form. Instead, a soft proof simulates a printed piece through digital imagery. PDFs are the most common type of digital proof.

A printed proof, also known as a hard copy proof, refers to a physical proof. Since hard copy proofs are basically a one-off version of a print project, they can be expensive to produce. They also have to be mailed or shipped, which adds cost and time to the project.

Once a proof is approved by the customer, the project is cleared for printing. Depending on the order quantity and type of job, printers may use Digital printing or Offset printing. Digital presses are typically used for shorter production runs whereas offset presses are more cost-effective for larger quantities.

4. Plate Creation (for Offset Printing)

Digital printing presses can create printed output directly from the artwork files. However, offset presses require an additional step - the creation of printing plates. Each plate transfers ink for a specific color during the offset printing process.

Using a computer-to-plate system, the digital artwork files are imaged directly onto thin plates of aluminum or polyester. In full-color printing, four plates are typically produced - one each for the ink colors of cyan, magenta, yellow, and black (CMYK).

After the printing plates are ready, they are mounted onto cylinders. Once the plates are secure and the press is calibrated, the offset press is ready to start printing. As the plate cylinders rotate, they offset the inked images onto a rubber blanket cylinder and then onto the paper.

5. Printing on the Press

This is where the artwork layout is transformed into physical printed sheets.

During the production run, press operators carefully monitor several factors to maintain consistent, high-quality results, including:

• Color consistency - to ensure the colors remain stable throughout the entire run
• Ink density - to maintain the proper amount of ink on the sheet for accurate color reproduction
• Registration - to keep each color in perfect alignment so images and text appear clear and sharp

Both digital and offset printing presses are highly precise, but experienced press operators still need to monitor the job closely. As such, they periodically inspect printed sheets and make small adjustments when necessary.

This hands-on oversight helps ensure that every sheet in the run meets professional quality standards and accurately matches the approved proof.

6. Finishing and Bindery

After the press has processed all the sheets needed for the order, the printed sheets are moved to the finishing department, where they are converted into the final product.

The finishing processes vary from project to project, but may include:

• Cutting to the final trim size
• Scoring and Folding
• Binding (such as Saddle Stitching, Perfect Binding, Spiral Coil, or Wire-o)
• Clear Coating or Laminating
• Specialty enhancements like Embossing or Foil Stamping

The finishing stage is where stacks of printed sheets become brochures, books, catalogs, etc.

7. Quality Check, Packing and Shipping

Before a job leaves the print facility, it goes through a final inspection. This step confirms that the printed materials match the approved specifications and that the finishing work was completed properly.

After inspection, the products are carefully packaged to prevent damage during shipping. Depending on the order, the printed pieces may be shrinkwrapped, boxed, and/or palletized before being shipped to the requested destination.

Once the printed materials are shipped, the commercial printing process is complete.

From Pixels on a Screen to Ink on Paper

Although each of the above steps happens behind the scenes, they all play an important role in producing professional results.

From prepress file checks to final finishing and shipping, careful attention to detail ensures that the final printed product meets both the printer's quality standards and the customer's expectations.

Color Vision can assist with all your Printing needs!

If you have a need for custom printing, be sure to get in touch with Color Vision. We can help with just about any type of print materials you may need, such as…

• Books, Manuals, Catalogs, Magazines, Comics
• Brochures, Flyers, Postcards, Mailers
• Maps, Calendars, and Notepads
• Instruction Sheets and Sell Sheets
• Door Hangers, Table Tents, and Rack Cards
• Flip Books (Table Top Presentation Books)
• Presentation Folders and Binder Sets

Over the past 40+ years, Color Vision has developed a strong reputation in the printing industry by offering quality printing at affordable prices. Also, because we offer both offset and digital printing services, we can assist with just about any size project.

So if you would like a quote, just use our easy Quote Request form to send us your specifications. Or, if you prefer to discuss your project by phone, we can be reached at 800-543-6299.

As always, we look forward to assisting with your custom printing needs!