Print Quality Problems

Symptom Check patterns to be used

White lines (Colored lines) / Banding

  • White lines, colored lines, or banding run horizontal to the paper feed direction in printouts.
  • White lines at irregular intervals or at regular intervals (10 mm).
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Dark lines/Banding

  • Dark lines run horizontal to the paper feed direction in printouts.
  • Dark lines at irregular intervals or at regular intervals (10 mm).
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Ruled line misalignment or Character distortion

  • Ruled lines printed in the Y direction of paper look skewed or not aligned.
  • Characters are distorted.
 20102 Ruled Line Pattern

Diagonal Unevenness

  • Diagonal shading occurs in the Y direction of the paper.
  • The location of occurrence differs for each factor.
 20104 Black 25% Pattern

Ink smear 1 (smear on printed side)

  • Dirt has occurred only on the printing surface during single-sided printing.
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Ink smear 2 (smear on back side)

  • When printing on single-side of paper, only the back side (opposite the printing side) is stained.
 20106 Blank Paper Feed(10 Sheet Simplex)

Ink Smear 3 (roller mark smudges made by serrated roller and paper feed roller)

  • Solid or dotted lines appear at regular intervals in printouts.
 20108 Blank Paper Feed(10 Sheet Duplex)

Incorrect Colors

  • Color shift has occurred in part or the whole of the image.
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Cockling

  • Streaks and ruled line shifts have occurred due to the waving of the paper.
  • The waving direction differs depending on the paper.
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Incorrect print position

  • The print position is shifted from the center of the paper with respect to the transport direction or the Y direction.
 20102 Ruled Line Pattern

Wrinkling of paper

  • The output paper has wrinkles (creases).
 20102 Ruled Line Pattern

Blank pages print

  • Blank printing has occurred for each head chip width.
    Minimum 10mm ~ (10mm unit)
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Entirely too dark printout

  • A solid image is printed in units of the head chip width.
    Minimum 10mm ~ (10mm unit)
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Ripple pattern

  • A ripple pattern has occurred.
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Damage of Paper

  • The front edge of the paper is scratched.
 20108 Blank Paper Feed(10 Sheet Duplex)

Ink Dry Failure

  • Ink is not dry enough and gets dirty when touching paper.
 20104 Black 25% Pattern

Strike-through

  • When printing on both sides, the printing result on the front side is seen through.
    (Revers side)
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)

Faint Printout

  • Light color in head chip width units. Or different colors.
    Minimum 10mm ~ (10mm unit)
 20103 Color Gradation Pattern (AM-M5500: Gradation Pattern)