Cockling (uneven density due to paper wrinkling) occurs.

Suspected cause

  • Too much ink discharge

  • The Suction Fan setting is either too strong or too weak

  • Media-dependent cockling occurs (e.g. matte type paper, Baryta type paper media, thin paper)

Parts/Components to be checked

  1. Print Head

  2. Nip Release Roller

  3. Platen Suction Fan.

  4. Used media

  5. Printer Main Circuit Board

Troubleshooting
StepConfirmation points and methodsPageYESNO
1

Check the print duty

  • Check the print duty of RIP that the customer or the print driver uses.
  • If the duty is too high, lower it and check the image.
    (Cockling may occur when performing printing on thin media with high duty)

Does the product recover from the failure?

---EndGo to step 2
2

Check for soiling on the Nip Release Roller.

  • Check if the roller section of the Nip Release Roller is contaminated with ink.
  • If so, print some blank pages to clean it.

Does the product recover from the failure?

---EndGo to step 3

3

Check Platen Suction Fan status.

  • Check if there are any foreign objects in the Platen Suction Fan suction holes. If a foreign object is found, remove it.

Does the product recover from the error?

Cleaning the insideEndGo to step 4
4

Check Platen Suction Fan cable connection.

  • Check the Platen Suction Fan cable connection status again, and reconnect if abnormal.

Does the product recover from the error?

Platen Suction Fan.EndGo to step 5
5

Replace the Platen Suction Fan

Does the product recover from the error?

Platen Suction Fan.EndGo to step 6
6

Replace the Printer Main Circuit Board.

Does the product recover from the error?

Printer Main Circuit BoardEndGo to step 7
7

Change the media type

Does the product recover from the failure?

---EndEscalate to person in charge