Picking
Picking is when small bits of the paper surface tear away during printing, usually because the ink is pulling too hard on the paper. The result can be:
- Tiny white specks where ink should be
- Rough, fuzzy paper fibers showing through
- Small missing spots in images or solid colors
It’s most noticeable in dark solids and smooth photo areas because the missing bits contrast strongly.
Consumers often describe it as:
- “little white spots in the print”
- “the ink looks like it didn’t stick in tiny areas”
- “paper looks torn in the image”
- “speckling in dark areas”
Also Known As: Paper picking, fiber pick, surface pick, picking of the sheet, paper pull, plucking (sometimes), paper lift (sometimes).
In simple terms: the ink pulled up tiny pieces of paper, so those spots couldn’t print cleanly.
What causes picking?
Picking is a paper-surface strength problem combined with ink tack (how "grabby" the ink is) and press conditions.
1) Ink tack is too high for the paper
If the ink is too “sticky,” it can pull fibers off weaker paper surfaces, especially on:
- Uncoated groundwood papers
- Papers with lower surface strength
- Rougher papers with more exposed fiber
2) Weak paper surface (low surface strength)
Paper varies by grade and manufacturing. Some papers are more prone to picking due to:
- Lower-quality fibers
- More fillers
- Surface that isn’t strongly bonded
- Certain recycled content mixes (varies by supplier and grade)
3) Heavy ink coverage (solids and rich areas)
Large solids and dense images increase pulling force:
- More ink contact area
- Stronger “lift” effect on the paper surface
4) Press speed, pressure, and blanket condition
Press conditions can amplify picking risk:
- Higher speed increases stress on the sheet
- Improper pressure or nip settings can worsen pull
- Blankets/rollers in certain conditions can increase surface stress
5) Paper moisture and environment
Paper that’s too dry can be more brittle and prone to surface disruption. Pressroom humidity and storage conditions can affect how paper behaves.
6) Multiple passes / multi-unit printing
Each unit adds more contact and potential stress. Certain color sequences and unit conditions can make picking more likely in some jobs.
How to identify picking in a book
What it looks like
- Tiny white pinholes or specks in areas that should be solid color
- Rough spots in the printed area where the paper surface looks disturbed
- “missing ink” spots that are actually missing paper surface
Picking can appear as:
- Scattered specks
- Clusters in heavy solids
- Localized areas where the paper looks fuzzy
Where it shows up most
- Dark solids (black backgrounds, deep colors)
- Photo midtones and shadows
- Areas of heavy ink coverage
- Sometimes more prominent on certain pages if the paper roll/sheets vary
Simple at-home checks
Check A: Touch test (gentle)
Lightly run a finger over the speckled area:
- Picking may feel slightly rough where fibers lifted
Check B: Look with angled light
Tilt the page:
- Picked areas can show texture differences (tiny rough pits)
Check C: Compare repeated areas
If a design has repeated solids across pages, compare them:
- Picking may appear more in heavier coverage zones
Common look-alikes (and how to separate them)
1) Dot loss / dropouts
- Dot loss is when tiny printed dots fail to print (often a printing/plate/transfer issue)
- Picking often shows paper surface damage (texture/roughness) where the dot/ink would be
Clue: If you can see/feel paper fibers lifted or tiny surface pits, picking is more likely.
2) Hickeys / spots
Hickeys are often round-ish defects caused by debris interrupting ink transfer (spots/voids).
Picking is more like many tiny torn fibers or specks, often concentrated in heavy solids.
3) Paper linting (related but different symptom)
Linting is when paper sheds fibers that build up on press parts and then create defects. Picking is the damage on the sheet where fibers are pulled off. They can happen together, but picking specifically refers to the paper surface being pulled away.
4) Mottling
Mottling is blotchy uneven tone. Picking is discrete specks/voids and surface disruption.
5) Scuffing or scratches
Scuffs/scratches are handling/abrasion damage that often looks like rubbed marks or lines.
Picking is usually embedded in the printed image as tiny voids and rough spots, not directional rub lines.
Impact on book quality and readability
Readability
- Usually minor for plain text (unless severe), but it can make fine text look dirty or broken in heavy coverage
Image quality
Picking is more damaging for:
- Photos (shadow detail looks speckled)
- Large solids (looks gritty/dirty)
- Gradients (specks interrupt smooth tone)
Perceived quality
- Makes print look low-quality or poorly controlled
- Especially noticeable and unacceptable-looking in premium covers or dark designs
Industry standards and “acceptable tolerances”
Picking is typically treated as a printing defect when it’s visible because it permanently damages the paper surface and print appearance.
Usually acceptable
- Extremely minor, isolated specks that are hard to notice and do not affect key imagery (some low-cost paper grades may show occasional minor speckling)
Usually not acceptable
- Obvious speckling in dark solids
- Repeated or clustered picking across many pages
- Picking that makes images look gritty or broken
- Picking on the cover or key pages
A useful rule of thumb: If you can see speckling from normal reading distance (especially in dark areas), it’s likely beyond what most buyers expect.
What you can do as a buyer
- If picking is prominent on the cover or in major image sections, requesting a replacement is reasonable
- Photograph
- A close-up of the specks in a dark solid or photo shadow
- A wider shot showing how noticeable it is on the page
Helpful wording for support: "The printing shows picking—tiny white specks where paper fibers were pulled off, leaving rough spots in solid/photographic areas."