cleaning the printhead with some warm water and a cotton stick can be useful

the ink is water soluble

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moved my 2200 out of the box (stored since aug 2005)

powered up ... error light blinks.........

changed the printhead to full black

replaced the ink cartridge by a new one

didn't connect to a computer

Printing the test page

To print the test page and clean the print head, follow these steps:

1 Turn off the printer.

2 Make sure you’ve loaded U.S. Letter or A4 paper into the printer.

3 Press and hold down the power button until the amber error light turns off.

4 Release the power button and wait for the test page to print.

works fine

now i try to load the CANON NK-300 Battery kit