Incorrect Colors

Symptom
  • Expected color and printed result differs.
  • Printed colors differ when compared with each other.

e.g.)

A: Colors are completely different.

B: Another color is mixed creating a gradation.

C: Color is slightly different.

Suspected cause
  • Different comparison conditions
  • ADF/SCN Unit reading abnormal condition
  • Paper type
  • Output Setting
  • Printhead failure
  • Inksystem Assy failure
  • Air bubbles collected in ink tubes
Troubleshooting
Step Confirmation and action 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

Check the settings

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

  • Main unit settings: Check that the paper type/size settings and actual loaded paper are appropriate.

Are the printer/driver settings appropriate?

 Go to step 3

Change the settings.

If the symptom continues to occur after performing the above, go to step 3.
3

Check the paper

Check the following point about the paper.

  • Check whether or not the front and back sides of the paper match.
  • Check whether or not the result is the same even when printing on plain paper.

Nozzle condition is excellent?

 Go to step 4

Change the paper to suitable paper.

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

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 belows.

 Go to step 5

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 the symptom continues to occur after performing the above, go to step 5.
5

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 6

If nozzle missing is not improved after performing the above, go to step 6.
6

Check the ink tubes

Visually check that air bubbles have not collected in the ink tubes.

If there are parts where the color is unmistakably pale in the supply system ink tubes, air bubbles may have collected.

Ink tube is correct condition?

 Go to step 7

In the service support mode, execute "401 Head Cleaning" "40104 Power CL" to remove the bubbles in the tubes.

If nozzle missing is not improved after performing the above, go to step 7.
7

Replace the Printhead

Replace the Printhead.

Replace the Printhead. (Refer to Printhead (EM-C800 Series)/ Printhead (EP-C800 Series))

If the trouble is not resolved after replacing the Printhead, contact the Epson Service Support department.