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Canon W8400 replace the new printhead ,it show "check the printhead"!

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Posted on Jan 02, 2017

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ginko
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SOURCE: My problem is with canon

Hi.

This is not an all-in-one inkjet that you can service at home. This is a large format printer, and print head replacement requires adjustment. The job is suitable for a technician or for an experienced DIY user that can service large format printers and copiers.

After replacement the print head rail must be greased and print head calibrated. If this operations are not getting done correctly, the printer may result damaged.

About error code:

The error code given is incomplete

Error:03800200-2802 means "Incorrect Print Head Installed".

Error:03010000-2820 means "Unable to adjust printhead registration"

If you have first error, then the printhead is either faulty or the part is wrong.

If you are in case two, try performing print head registration, if that does not work, then the print head has not been installed correctly.

The calibration procedure must be performed each time the head is replaced:

4.5.2 Procedure after Replacing the Carriage Unit or Multi Sensor

a) Multi Sensor Recalibration
Since multi sensors have individual electrical specificity, the following are recalibrated at the factory, namely,the optical axis of the sensor, the sensor gain for measuring the printhead height and color reproduction.
Accordingly, carry out the following adjustments in the service mode whenever replacing the carriage unit or multi sensor.
* The multi sensor reference plate must be replaced at the same time whenever the carriage or the multi sensor is being replaced.

- Service mode : SERVICE MODE > ADJUST > GAP CALIB
- Service mode : SERVICE MODE > ADJUST > SENSOR CALIB
Test chart : CL-7( Tool No. : FY9-9323 Use anew chart.)
- Service mode : SERVICE MODE > ADJUST > PRINT PATTERN > OPTICAL AXIS
Media type : Photo glossy paper
Media size : Media having a width equal toor larger then that of 24inch-size paper

If that does not work you need to proceed to wire roller adjustment. The adjustment is usually not needed if you replaced only the print head, and not the carriage:

b) Adjusting the wire roller

To prevent the wire roller mounted on the carriage from contacting the duct and others during carriage operation, perform the following adjusutment whenever tou have removed or replaced the carriage unit. This adjustment is not required when you have replaced only the multi sensor.
* Make adjustments with the carriage lock released.
* Make adjustments with the tube disconnected from the tube guide.

(1) Loosen the two screws[1]
(2) Turn the gear[2] until the lift cam flag[3] reaches the position shown below.
* Bottom position where the sensor[4] light is blocked by the flag (lowest position to which the carriage may descend)

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Regards.

Ginko.

Posted on Oct 31, 2010

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SEE IF ANYONE ELSE HAVING THIS PROBLEM BEFORE, GET SOME HELP OR IDEAS ON HOW TO FIX IT

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