Print Smudges

Symptom

  • Unexpected smudges can be seen somewhere (including back side) on printouts.

Suspected cause
  • Dirt on the reading face of the ADF/SCN Unit. (when copying)
  • Dirt transferred from feed path
  • Paper
  • Contact with nozzle surface (PG adjustment value deviation)
  • Dirt or damage of the Printhead nozzle surface
  • Dirt on the bottom surface of the CR Unit
Troubleshooting
Step Check and measure Yes No
1

Check whether printing or copying

Check whether the symptom occurs with printing or with copying.

Occurs with printing and copying

Go to step 2

Occurs with copying only

Refer to ADF / Scanner Trouble
2

Confirm the contamination adherence

Confirm the contamination adherence.

  • Check inside the product　
    Check that there is no noticeable dirt inside the product.
  • Check the platen
    Check that there is no noticeable dirt on the platen.
  • Check the feed path and feed roller surfaces
    Is not the feed path and the feed roller dirty?
  • CR side surface
    Check that there is no dust or ink adhered.

Nozzle condition is excellent?

 Go to step 3

Clean the corresponding parts.

Note / 補足

If there are large ink deposits, check that there is no ink leaking.
3

Check the paper and settings

  • Check the paper
    Check that the paper is in an appropriate state (no curling).
  • Check the settings
    Check whether or not the paper settings are appropriate.

Are the paper state and paper settings appropriate?

 Go to step 4

  • Change the paper or settings.

    Recommend to use the rubbing avoidance mode.

    If nozzle missing is not improved after performing the above, go to step 4.
4

Check the Inksystem Assy

Check the following point about the Inksystem Assy.

Caution / 注意

Execute 60143 CR Unlock & Power OFF from the Service Support mode in advance to release the CR lock before checking the Inksystem Assy.

[Confirmation details]

  1. Check the cap parts
    • Check that the cap surfaces are not dirty.
    • Rotated the Inksystem Assy gears by hand and check that the cap moves up and down, and also capped correctly in the capping state.
  2. Check the wiper parts
    • Check that there is not soiling or damage to the wiper parts
    • Rotate the Inksystem Assy gears by hand and check that the wipers move back and forth.
 Go to step 5

If nozzle missing is not improved after performing the above, go to step 5.
5

Check the PG

Check that the PG is within the specified value range (1.60 ±0.05 mm).

Is the PG within the standard value?

Go to step 6

Perform " the Check the PG".

If the symptom continues to occur after performing the above, go to step 6.
6

Check the CR Unit and the nozzle surface of the Printhead

  • Check the nozzle surface of the Printhead
    • Any damaged or dirt on the nozzle surface of the Printhead?
  • Check the CR Unit
    • Is there no dirt on the bottom surface of the Printhead?

Is the result OK? (Does the symptom continue to occur?)

 Contact the Epson Service Support department.
  • When the nozzle surface of the Printhead or the CR Unit bottom surface is dirty
    • Clean the nozzle surface or the CR Unit bottom surface.
  • When the nozzle surface of the Printhead is damaged

If the symptom is continued after performing the above, contact the Epson Service Support department.