final Flashcards

1
Q

With digital printing, each page can be unique

A

Text and images can vary

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2
Q

Variable data allows the product to be more personalized for its end user

A

Content-specific

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3
Q

Disadvantages of digital presses

A

Cost is higher
Speed is slower
Lower quality

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4
Q

Click charge

A

every time a cylinder rotates one time around

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5
Q

Quarter size

A

12” x 18”

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6
Q

Full size

A

28” x 40”

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7
Q

Half size

A

20” x 28”

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8
Q

The number of print units is usually

A

four

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9
Q

More print units can be used for…

A

Special colors
Special coats: dull, glossy, matte
Smell

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10
Q

Straight press

A

= prints one side of a product (2 passes for double-sided)

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11
Q

Perfecting press

A

= prints on both sides in a single pass (higher degree of efficiency)

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12
Q

What is the order of a print unit?

A

Ink fountain
Ink rollers with heat
Fountain solution - water-based
Plate cylinder = image is etched onto the plate
Blanket cylinder = carries ink from the plate cylinder
Substrate
Impression cylinder = comes into contact with the bottom of the substrate; pushes substrate into blanket cylinder

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13
Q

Viscosity

A

the resistance of a liquid to flow

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14
Q

Advantages of a sheetfed press?

A

Highest quality (better color production)
Good for long-run jobs (greater than 5,000)
Critical color

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15
Q

When does registration happen?

A

When all the ink dots are in alignment

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16
Q

What is a loop?

A

A tool used to see ink dots

17
Q

What is an outside purchase in finishing?

A

Trade binder = a company that specializes in a specific type of binding/finishing (ex. perfect bound, case bound, foil stamping, etc.)

18
Q

What is perfect binding?

A

Signatures are glued into the spine of the cover

19
Q

What is a lift?

A

The amount of sheets that can fit in the guillotine at once

20
Q

What is a web press?

A

Any press that uses a roll of a substrate

21
Q

What are some advantages of web presses?

A

Good for high-volume printing (millions)
Inks are a deeper pigment
Paper cost is cheaper in roles
Fast
High quality
Multiple in-line finishing options

22
Q

Disadvantages of web presses?

A

Very expensive
Large square footage

23
Q

Web presses have three possible outcomes for finishing. What are they?

A

Cut webs into sheets we want
Roll to roll
Goes through the folder at the end of the press

24
Q

1843 Rotary Press invented by Richard Hoe

A

Printed in sheets
Very slow

25
Q

1863 Rotary web press invented by

A

William Bullock

26
Q

What is heat set? (most common)

A

Oven flashes solvent on paper
Inks are a deeper pigment
Higher quality

27
Q

What is cold set?

A

Ink is thinner and is absorbed into the paper
Lower quality

28
Q

circumferential number for one cutoff =

A

22.75