Lines not smooth and ruled-line deviation

Symptom
  • Printed lines are not smooth.
  • Lines printed in double in parts
  • Color deviation of part of mixed colors

Suspected cause
  • Paper
  • Paper settings of main unit or printer driver settings are inappropriate.
  • Nozzles missing or deflection
  • CR Scale reading failure
  • Foreign matter on CR scanning lines
  • Overload when CR operation
  • Adjustment value failure
  • PG value abnormal
Troubleshooting
Step Check and measure Yes No
1

Check the settings

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

  • Paper settings: Check that the paper type/size settings and actual loaded paper are appropriate.
  • Quality option: Standard or High?

Are the printer/driver settings appropriate?

Go to step 2
  • If the paper setting is wrong
    • Recommend to change the paper setting according to the paper being used.
  • If the print quality setting is wrong
    • Select Standard or High.

If the error still occurs 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?

 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
Note / 補足

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

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

Check the CR Scale.

Execute the following adjustment from the service support mode.

Nozzle condition is excellent?

 Go to step 4

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

Check the CR Unit

Check the following CR operation.

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.
  • Move the CR left and right while holding the belt and check that it moves smoothly.
  • Is there any foreign object on the CR guide frame or CR scanning lines?
  • Check that the CR belt is not damaged or worn out.

Is the result OK?

Go to step 5
  • When there is load to the CR Unit operation.
    • Clean the CR guide frame and apply grease. (Refer to Lubrication 4.)
  • When there are foreign matter on the CR guide frame or the CR scanning lines.
    • Remove the foreign object.
  • When the CR timing belt is damaged

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

Check the PG

Is the PG 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

Execute adjustment again

Execute the following adjustments from the service support mode.

Is the phenomenon continuing?

 Contact EPSON Local Service Representatives

End