HP M1536dnf CE538ABGJ Comm. Error, Doc. feeder jam, Document feeder door is open, Canceled fax

Control panel message	Description	Recommended action
Comm. Error	A fax communication error occurred	Allow the product to retry sending the fax.
	between the product and the sender or	Unplug the product telephone cord from the
	receiver.	wall, plug in a telephone, and try making a
		call. Plug the product phone cord into a jack
		for another phone line.
		Try a different phone cord.
		Set the Fax Speed option to the Slow(V.29)
		setting or disable the Fast(V.34) setting.
		Turn off the Error Correction feature to
		prevent automatic error correction.
		NOTE: Turning off the Error Correction
		feature can reduce image quality.
		Print the Fax Activity Log report from the
		control panel to determine if the error occurs
		with a specific fax number.
		If the error persists, replace the fax PCA.
Doc. feeder jam	The product has experienced a document	1.	Clear the document feeder jam.
	feeder jam.	2.	If the error persists, and no paper is
			jammed in the document feeder, check
			the paper sensor lever on the
			document feeder core assembly.
		3.	If the paper sensor lever is broken or
			missing, replace the document feeder
			core assembly.
		4.	If the error persists, reconnect the FFC
			between the document feeder and the
			formatter PCA.
		5.	If the error persists, replace the
			formatter PCA.
Document feeder door is open.	The cover at the top of the document feeder	Close the cover, and send the fax again.
Canceled fax.	is open, and the product cannot send the
	fax.
Door open	The print cartridge door is open.	1.	Close the print cartridge door.
		2.	If the error persists, check the tab that
			engages with the cartridge door open
			sensor on the cartridge door.
		3.	If the tab is broken or missing, replace
			the cartridge door.
		4.	If the tab is present, replace the engine
			controller PCA.

ENWW Tools for troubleshooting 129