Canon PIXMA MP800 Error 6A00

Canon PIXMA MP800 Error 6A00

-Remove a piece of paper that was stuck in the printer
-pushed down on sponges
-moved ink cartridge holder back and forth several times
-unplug printer completely
-removed all the ink cartridges and put them back

The Problem
1. The print head cartridge keeps locking itself up on the right hand side.
2. Frequent 5100 errors even when the printer is on standby
3. Even when I wipe up the print cartridge, the next print will mess up the bottom of the print cartridge with ink again.

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