Canon 2159B002 user manual Problem with Printhead, Printhead error

		Messages regarding printheads
Problem with Printhead
	Cause	Corrective Action
	The Printhead nozzles are becoming clogged.	If printing is faint, clean the Printhead. (→P.626)
Printhead error
	Cause	Corrective Action
	An incompatible Printhead has been installed.	Install a Printhead specied for use with the printer.
		(→P.627)
	There is a problem with the Printhead.	Open the Top Cover. If the Carriage is over the
		Platen, replace the Printhead with a new one.
		(→P.627)
		If, after opening the Top Cover, you see that the
		Carriage is not over the Platen, follow the steps
		below.
		1.Close the Top Cover and press the Online button.
		2.Replace the Printhead.
		(→P.627)

Error Message 715