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machine won't initilize. Says lift window and check printhaed cover

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Microsoft Windows 10 (64-bit)

Lift window and check printhead cover

Level 13
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I have seen this happen when the trailing cable becomes malformed and hits the opening on the right side when the carriage moves to the right making the plotter think the carriage cover is open. Remove the right side cover and observe the trailing calbe as you move the carriage by hand to the right side. If it hits the opening at the end that is your issue. To correct most times all you need to do is place fresh tape around the trailing cable about 4 inches from the carriage.  Attached is a page from the service manual and the hole in item 11 above the 2 screws circled in yellow is the hole the trailing cable goes into when the carriage is all the way to the right.

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The error Lift widow and check Print head cover is prompted for the below causes:


The Carrige assy is unable to move  due to some physical obstruction in the carriage path.


Check the Carriage cover is closed and latched properly to the Purple latch.


Check the carrige belt condition - look for any loose threads and rubber particles comming off - as it is a very old launch.


Clean the Encoder Strip with a damp cloth.


If the carriage is moving freely when plotter is off, observe the movement if free or sticky - can lube the carrige Shaft with a thin vicocity oil and clean the excess oil to avoid leaking on to the carriage or the print head.


If the Carriage moves atleast 5-10 mm when power on then the issue is with the encoder sensor on the carriage.

If the carriage does not move atall and is in the same place - could be an issue with the Carrige motor.

If moves fully and stops then check the belt and encoder strip.


Hope this helps.

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