HP LaserJet 9040, 9050, 9050DN Laser Q3723A#ABA, Laser 9050n manual 129

Message Explanation or recommended action

69.x ERROR

For help press

alternates with

To continue turn off then on

A temporary printing error occurred.

Turn the printer off, reseat the duplex printing accessory, and then turn the printer on.

If this message persists, remove the duplexer and resume single-sided printing. If this message continues to persist, contact an HP-authorized service or support provider. (See the HP support flyer or go to www.hp.com/support/

lj9050_lj9040.

79.xxxx ERROR

To continue turn off then on

A critical hardware error occurred.

Turn the printer off, and then turn the printer on.

If the message persists, remove the duplexer and resume single-sided printing. Contact an HP-authorized service or support provider. (See the HP support flyer or go to www.hp.com/support/lj9050_lj9040.

8x.yyyy	The EIO accessory card in slot x has encountered a critical error as specified
EIO ERROR	by yyyy.
8X.YYYY EMBEDDED	The embedded HP Jetdirect print server has encountered a critical error as
JETDIRECT ERROR	specified by YYYY.

ENWW Resolving control-panel messages 127