Error 6000 or P03 on Canon printers

That is a line feed error. It also should be flashing 3 times for this error on the on/off button.

Solution 1:

• Verify that the paper tray is correctly set.
• If any object is placed in front of the machine, remove it.

Solution 2:

• Search for any small pieces of paper in the printer, or a tiny object.

Solution 3:

• Power off the printer
• Wait 30 seconds
• Power on.

Solution 4: one of these parts could be faulty:

• Timing sensor unit QM2-2683
• Timing slit disk film QC1-6229
• Feed roller ass'y QL2-0925
• Platten unit QM2-2923
• Logic board ass'y QM2-3078
• Paper feed motor QK1-1502