HP/Canon - Printhead cleaning -- ink tank/printhead permanently installed (modular)

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Remove the printhead (See calibration warning)

ANY PRINTER SPECIFIC REMOVAL STEPS ONLY APPLY TO HP PRINTERS USING A REMOVABLE 564/920 PRINTHEAD (and similar designs, like the OJ Pro 8000 series printhead). Every manufacturer uses their own mounting design.
(HP ONLY) If the printer is plugged in while the printhead is removed, the calibration data may be erased. Verify the printer is unplugged FIRST!
When the printer is unplugged, lift the lever up and remove the printhead.
Remove the printhead as shown. IMPORTANT: Leave the scanner lid open, or put a note near the printer.

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