Step 5: Quality Check


To ensure that a quality product is produced, we conducts a number of periodic checks. In addition to checking blueprints for accuracy, we will pull a press proof, or sample, before the print run is begun. If certain areas of the proof are too light or too dark, adjustments to the press may be required.


After the book signatures are sewn together, we will spot-check them to make sure they have been folded and sewn correctly. We will also check to see if the book covers are properly bound to prevent the books from deteriorating with use.


Sometimes it is necessary  to control quality including densitometers and colorimeters, both of which are used to evaluate color printing processes; paper hygroscopes, which measure the moisture balance of paper against the relative humidity of printing rooms; and inkometers, which measure the quality of the ink to be used in printing.



Related links:

Process of Manufacturing- Introduction

Process of Manufacturing- Step 1: Prepress

Process of Manufacturing- Step 2: Computer to Plate

Process of Manufacturing- Step 3: Printing

Process of Manufacturing- Step 4: Binding