Term
| All electrophotographic presses operate according to the same imaging process. Which of the process steps is in the correct order: |
|
Definition
| charging, exposing, developing, transferring, fusing, cleaning |
|
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Term
| The HP Indigo electrophotographic press is a "multipass" press. therefore, if the press is capable of production speeds of 10,000 cylinder cycles per hour, which of the following is true? |
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Definition
| The press can produce 4 over 4 products at 1250 per hour |
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Term
| The fusing phase of electrophotographic process binds the toner to the substrate. Fusing is accomplished: |
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Definition
|
|
Term
| Powder toners allow for smaller pigment particles than liquid toners. |
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Definition
|
|
Term
| A multipass electrophotographic press design includes only one imaging drum. |
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Definition
|
|
Term
| The component of toners that bind pigment to the substrate is: |
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Definition
|
|
Term
| In electrophotography, the image is created with a: |
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Definition
|
|
Term
| The NexPress digital press is made by: |
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Definition
|
|
Term
| The economic run length of electrophotographic presses are typically about: |
|
Definition
|
|
Term
| The last step in the electrophotographic process is: |
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Definition
|
|
Term
| The device that disperses the charge evenly onto the surface of the photoconductive drum, belt, or plate is the: |
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Definition
|
|
Term
| In electrophotography, the surface that receives the charge is referred to as: |
|
Definition
|
|
Term
| The difference between inks and toner is essentially: |
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Definition
| the binder: inks have a liquid vehicle to carry pigment to the substrate and toners have polymer particles |
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Term
| A characteristic of digital printing is it’s “reimaging” after each impression, allowing for variable data printing (VDP). |
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Definition
|
|
Term
| The digital printing principle of electrophotography uses a statically charged photoconductive surface to attract to an oppositely charged toner. |
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Definition
|
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Term
| The imaging of the photoconductive material (the actual placement of an image on the material) is done by an electron beam. |
|
Definition
|
|
Term
| Digital electrophotographic presses fall into which press size category: |
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Definition
|
|
Term
| What component of an electrophotographic digital press charges the imaging surface? |
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Definition
|
|
Term
| The imaging surface in electrophotographic printing is called: |
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Definition
|
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Term
| Lithographic presses are engineered and built primarily in Germany and Japan. Digital presses are engineered and built: |
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Definition
|
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Term
| Inkjet production machines may use various types of inkjet ink. The best kind of durable, long lasting ink films are dye-based inks. |
|
Definition
|
|
Term
| The type of inkjet head used for in-line streaming and known for very fast operation is: |
|
Definition
|
|
Term
| Inkjet heads emit tiny droplets of ink. Each droplet's volume is measured in: |
|
Definition
|
|
Term
| The category of inkjet technology that is retrofitted on lithographic, gravure and flexographic press is called: |
|
Definition
|
|
Term
| This type of inkjet technology delivers an electronic charge to a ceramic lined chamber, causing the chamber to buckle, and forcing the ink through the nozzle: |
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Definition
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|
Term
| It is expected that both inkjet and electrophoographic printing will grow equally (as a % of all print volume) over the next 20 years. |
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Definition
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|
Term
| A flatbed inkjet printer would be used for giant products like billboards and building coverings. |
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Definition
|
|
Term
| When comparing productivity of inkjet devices, it is most common to measure the speed in: |
|
Definition
| square feet (or meters) per hour |
|
|
Term
| Digital inkjet presses are designed as both sheetfed and web-fed models. |
|
Definition
|
|
Term
| Rotogravure is particularly economical for very long runs (high volume printing). |
|
Definition
|
|
Term
| Rotogravure is used exclusively for paper substrates and paperboard, while flexo is used for the foils and films used in flexible packaging and labeling. |
|
Definition
|
|
Term
| The rotogravure press configuration requires that 4 separate units are needed for printing 4 over 4 color (process color on both sides of the substrate), much like blanket to blanket lithography. |
|
Definition
|
|
Term
| The rotogravure cylinder base, upon which the cylinder is coated and reimaged over an over again, is called a: |
|
Definition
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|
Term
| The most common implement used to engrave a rotogravure cylinder is a ____________. |
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Definition
|
|
Term
| Coating the rotogravure cylinders in preparation for imaging is done by: |
|
Definition
| bathing the cylinder in an electrolytic bath |
|
|
Term
| Electrostatic-assist in rotogravure printing refers to: |
|
Definition
| The use of electrostatic forces to draw the ink out of the cells of the engraved cylinder onto the substrate. |
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|
Term
| In tonal/photographic reproduction, rotogravure produces different tones by: |
|
Definition
| may be either produced by varying cell depth or varying area of coverage/cell width. |
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|
Term
| The rotogravure printing process is stuck in markets that require very lengthy runs. What development would allow the process to better complete in markets dominated by lithography and flexography? |
|
Definition
| gravure cylinder sleeve engraving |
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|
Term
| Which of the following chemical additives contributes to the brightness of paper? |
|
Definition
|
|
Term
| About 95% of the wood fiber used to make paper in the US comes from chipping or grinding trees, with the remaining 5% being sawmill residue. |
|
Definition
|
|
Term
| Thermomechanical pulp papers tend to be of higher quality than mechanical papers because: |
|
Definition
| There is less damage done to the fibers during pulping |
|
|
Term
| Sizing is added to the pulp before the sheet is formed in order to improve opacity. |
|
Definition
|
|
Term
| Calcium Carbonate is the least expensive of the three types of paper filler. |
|
Definition
|
|
Term
| Which of the following components of paper is added to help paper resist water absorption? |
|
Definition
|
|
Term
| The paper forming machine used in the paper manufacturing process is called the: (may contain multiple answers) |
|
Definition
|
|
Term
| The digester uses heated steam and caustic soda under pressure for which purpose? |
|
Definition
| to separate lignin from fiber material |
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|
Term
| Which of the following is not an advantage of chemical pulp papers? |
|
Definition
| high yield (in weight) of pulp from wood |
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|
Term
| Sizing is added to pulp to contribute to paper brightness. |
|
Definition
|
|
Term
| Normal, Illinois would likely be in a non-attainment area, requiring VOC regulation from the EPA. |
|
Definition
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|
Term
| The study of rheology relates to which property of ink? |
|
Definition
|
|
Term
| The first step in ink manufacture is to mix the pigment with the vehicle. |
|
Definition
|
|
Term
| An example of the component of inks that bind pigment to the substrate would be: |
|
Definition
|
|
Term
| Wax is added to litho inks to provide which of the following benefits? |
|
Definition
| reduce scuffing/improve rub resistance |
|
|
Term
| A mixture of ink components with no pigment is called a: |
|
Definition
|
|
Term
| VOC, or Volatile Organic Compounds, enter the atmosphere and cause which environmental problem? |
|
Definition
|
|
Term
| Cobalt is a metal salt added to some inks, with the purpose to speed oxidation polymerization of ink films. |
|
Definition
|
|
Term
| The instrument used to analyze ink odor is called a "gas mitigator". |
|
Definition
|
|
Term
| Which of the following is used to mill high viscosity inks? |
|
Definition
|
|
Term
| Inkjet ink colorants are made from dyes only. |
|
Definition
|
|
Term
| Piezo inkjet heads allow only one size drop to be emitted from the ink chamber. |
|
Definition
|
|
Term
| Inkjet heads emit tiny droplets of ink. Each droplet's volume is measured in: |
|
Definition
|
|
Term
| Digital inkjet presses are designed as both sheetfed and web-fed models. |
|
Definition
|
|
Term
| Some inks used in Inkjet devices dry by UV curing. |
|
Definition
|
|
Term
| The ______________ is the specification that indicates the specific speed at which an inkjet head emits drops, one after another: |
|
Definition
|
|
Term
| This type of inkjet technology requires that inks are charged and the image is formed by action of charge/deflection plate. |
|
Definition
|
|
Term
| This type of inkjet head involves heating the ink in the chamber, resulting in expansion and pressure increase, subsequently emitting a drop of ink from the pressurized chamber. |
|
Definition
|
|
Term
| The two major categories of inkjet ink are water-based and solvent-based. Which of these types is best for reduced inkjet head nozzle clogging? |
|
Definition
|
|
Term
| Water-based inkjet inks can be used on a wide variety of substrates (both coated and uncoated) with good image quality results. |
|
Definition
|
|
Term
| The primary advantage that dye-based inkjet inks have over pigment based inks is: |
|
Definition
| more vivid color/wider color gamut |
|
|
Term
| Rotogravure printing is well suited for package printing |
|
Definition
|
|
Term
| The rotogravure press configuration requires that 4 separate units are needed for printing 4 over 4 color (process color on both sides of the substrate), much like blanket to blanket lithography. |
|
Definition
|
|
Term
| The rotogravure press has one dryer, located before the delivery, and used for all units of the press. |
|
Definition
| False. Each unit has its own dryer. |
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|
Term
| The rotogravure cylinder is 1st coated with _________, which is engraved with the image, and then coated with another layer of ________. |
|
Definition
|
|
Term
| The most common implement used to engrave a rotogravure cylinder is a ____________. |
|
Definition
|
|
Term
| The rotogravure printing unit includes the imaged cylinder, sitting in a fountain of ink, and a ___________ to “squeegee” off the excess ink on the surface of the cylinder. |
|
Definition
|
|
Term
| The high cost of makeready associated with rotogravure printing is due mainly to: |
|
Definition
| the cost of preparing the cylinder |
|
|
Term
| Rotogravure is known to be a very environmentally clean printing process, suing mainly aqueous ink. |
|
Definition
|
|
Term
| A great deal of friction is created between the doctor blade and the spinning rotogravure cylinder, potentially resulting in premature doctor blade wear. What helps assure that the doctor blade will last longer? |
|
Definition
| creating mirco-cracks in the surface of the gravure cylinder, allowing ink to lubricate the cylinder. |
|
|
Term
| The rotogravure printing process is stuck in markets that require very lengthy runs. What development would allow the process to better complete in markets dominated by lithography and flexography? |
|
Definition
| gravure cylinder sleeve engraving |
|
|
Term
| To coat the rotogravure cylinder for engraving, the cylinder is turned in hot, melted copper, which cools and is then buffed smooth. |
|
Definition
|
|
Term
| Which of the following types of cellulose yielding sources gives the longest fiber length? |
|
Definition
|
|
Term
| The following “roughens” fibers to create better networking and strength of paper. |
|
Definition
|
|
Term
| Paper is made smooth by running through a machine consisting of a stack of alternating polished steel and rollers running together under high pressure. This is called: |
|
Definition
|
|
Term
| Filler material is added to pulp/paper for what purpose? |
|
Definition
|
|
Term
| The primary component of paper is: |
|
Definition
|
|
Term
| Paper should contain no moisture (0%) upon shipment to the printer from the paper manufacturer. |
|
Definition
|
|
Term
| Which part of the paper making machine controls the caliper of the stock being made? |
|
Definition
|
|
Term
| The following trees fall into which category provide softwoods? |
|
Definition
|
|
Term
| Thermomechanical pulp is generally considered to be a higher quality pulp than is mechanical pulp due to lower levels of lignin. |
|
Definition
|
|
Term
| Longer fiber lengths are important to enhance the thickness/bulk of paper. |
|
Definition
|
|
Term
| The paper strength property “surface strength” is particularly important for: |
|
Definition
|
|
Term
| High paper opacity is particularly important for 2-sided printing. Which of the following additives makes paper more opaque? |
|
Definition
|
|
Term
| Paper tends to change size as it moves through a printing press. This is largely due to water absorption and temperature change. What is the name of the property which describes the capacity of paper to resist these changes. |
|
Definition
|
|
Term
| Paper tends to change size as it moves through a printing press. This is largely due to water absorption and temperature change. How is paper manufactured to resist these size changes? |
|
Definition
| increase internal & external sizing |
|
|
Term
| Paper strength is a property of paper measured in just one way: with a burst strength test. |
|
Definition
|
|
Term
Match the paper category on the left with its logical use on the right:
1) Bond
2) Offset
3) Index
4) Cover |
|
Definition
1) Check books
2) Magazines
3) File folders
4) Embossed business cards |
|
|
Term
| Which of the following paper manufacturing items would contribute to paper smoothness (answer all that apply). |
|
Definition
|
|
Term
| When we refer to "opacity" as a property of paper, we are referring SPECIFICALLY to ... |
|
Definition
| optically reflect light from the paper surface with a black blacking, as compared to light reflection with a white backing. |
|
|
Term
| Paper's that are manufactured to have a smooth, hard surface writing |
|
Definition
| Index/Bristol & Bond/Business |
|
|
Term
| This is a heavy weight paper, manufactured to be used on offset presses and for finishing operations, like foil stamping and embossing (answer all that apply): |
|
Definition
|
|
Term
| This paper is manufactured to have high surface strength, high gloss (coated and uncoated), and good folding ability (answer all that apply): |
|
Definition
|
|
Term
| This paper is manufactured for low cost, and therefore has low permanence and brightness (answer all that apply): |
|
Definition
|
|
Term
| There are two types of bond paper: type "a" is a 20 lb bond and type "b" is also a 20 lb. bond. However, type "a" has a caliper of .003, while type "b" has a caliper of .004. Given this information, which of the following do you know to be true? |
|
Definition
| paper "a" has a higher density than paper "b" |
|
|
Term
| The property of paper called uniformity refers to the freedom of the paper from flocculation, or clumping together, of fiber. Which manufacturing step reduces flocculation? |
|
Definition
|
|
Term
| Which of the following coated paper grades will have the highest gloss level? |
|
Definition
|
|
Term
| One of the most common ways for printers to refer to the quality of paper is according to the paper's numerical category: i.e. as a "#1 sheet" or a "#3 sheet". This actually refers to what? |
|
Definition
| relative brightness of the paper |
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|
Term
| Paper with no recycled content (100% virgin fiber) is referred to as a "free sheet". |
|
Definition
|
|
Term
| Which of the following ink properties refers to ink becoming less viscous (ink viscosity dropping) as the ink is stirred or worked? |
|
Definition
|
|
Term
| Drying method on sheetfed presses (those with no UV or coater) |
|
Definition
|
|
Term
| Drying method for lithography on newspaper presses (coldest web) |
|
Definition
|
|
Term
| Drying method for heat-set web offset on coated stock |
|
Definition
|
|
Term
| Drying method associated with high VOC |
|
Definition
|
|
Term
Match process color inks with chemical pigment:
1) Cyan
2) Yellow
3) Magenta
4) Black |
|
Definition
1) Phthalocyanine
2) Dairylide
3) Rhodamine
4) Carbon |
|
|
Term
| The printing principle: planography, is used in: |
|
Definition
|
|
Term
| The printing principle: Stencil, is used in: |
|
Definition
|
|
Term
| The printing principle: Intaglio, is used in: |
|
Definition
|
|
Term
| The printing principle: relief, is used in: |
|
Definition
|
|
Term
| The printing principle: Inkjet & Electrophotography, is used in: |
|
Definition
|
|
Term
| The principle of printing from a sunken or recessed surface is referred to as: |
|
Definition
|
|
Term
| Planography means printing from a flat surface, where image and non-image areas are on the same plane. Which printing process uses this principle? |
|
Definition
|
|
Term
| Which printing process would you assume was used if you were to see this "T" under magnification? |
|
Definition
|
|
Term
| Rotogravure and lithography are considered to be similar in print quality, but lithography is more economical for very long runs (in the millions). |
|
Definition
|
|
Term
| Which of the following printing processes requires a doctor blade? |
|
Definition
| flexography & rotogravure |
|
|
Term
| The flexographic printing process is used most commonly for the promotional markets (advertising, direct mail, etc.) |
|
Definition
|
|
Term
| Which printing processes require the image to be etched directly into a printing cylinder. |
|
Definition
|
|
Term
| Which printing process economically (cost effectively) allows for the widest range of run lengths? |
|
Definition
|
|
Term
| Why is rotogravure not economical for short runs (meaning 1 - 10,000 for example)? |
|
Definition
| The cylinders are very expensive to produce and cost must be made up by printing high volume |
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