Use Guide - 5th Chapter: Problem Solving

Chapter 5 Problem solving 122
Understanding printer messages
69.x
PRINTER ERROR
A temporary printing error occurred.
Turn the printer off, reseat the duplex printing accessory, and then turn the printer on.
If this message persists, contact an HP-authorized service or support provider. (See the
introduce guide on the product CD, or go to www.hp.com/cposupport/
.)
79.xxxx
PRINTER ERROR
A critical hardware error occurred.
Turn the printer off, and then turn the printer on.
If the message persists, contact an HP-authorized service or support provider. (See the
introduce guide on the product CD, or go to www.hp.com/cposupport/
.)
8x.yyyy The EIO accessory card in slot x has encountered a critical error as specified by yyyy.
81 SERVICE (xxx) This message is used when errors occur while testing the printer at the manufacturing site.
Message Explanation or recommended action