White or Black Bands

Symptom
  • White or black (dark) bands occur in the horizontal direction on images.

    • A: Main scanning line (CR operation) direction
    • B: Sub scanning line (feed) direction
Cause
  • The paper settings of main unit or printer driver are not appropriate.
  • Nozzles missing
  • Inksystem Assy replacement

  • Adjustment values are inappropriate.

Troubleshooting
Step Check and measure Yes No
1

Check the settings

Check the settings of the main unit/printer driver listed below.

  • Check that the paper type and size are appropriate.
  • Check that the rubbing avoidance mode is “off”.

Are the printer/driver settings appropriate?

Go to step 2

Change the settings.

If the symptom continues to occur after performing the above, go to step 2.
2

Check the nozzle check pattern

Print nozzle check patterns and check whether there are nozzles missing or deflection.

Nozzle condition is OK?

  • Nozzle check pattern print method is below.
    • Normal menu
      • [Setting] ⇒ [Maintenance] ⇒ [Print Head Nozzle Check]
 Go to step 3

Obtain the information as follows from the service status sheet and execute head cleaning according to the nozzle missing state check matrix table.

  • Nozzle missing rank
  • Cleaning History

If nozzle missing is not improved, refer to Nozzles Missing.

If nozzle missing is not improved after performing the above, go to step 3.
3

Execute adjustment again

Execute the following adjustments from the service support mode.

Has the phenomenon been improved upon?

 End

Contact the Epson Service Support department.