• Code: 70.00.00
• Display: 70.00.00 Error
• Description: The product experienced a DC controller failure.
• Remedy: 1. Turn the product off and then on. 2. If the error persists, replace the DC controller.

• Code: 80.0X.YY
• Display: 80.0X.YY Embedded JetDirect Error
• Description:
• Remedy: Turn the product off, and then on. If the error persists, replace the formatter.

• Code: 81.WX.00
• Display: 81.WX.00 Wireless Network Error
• Description: A wireless network component on the product has failed.
• Remedy: 1. Turn the product off and then on. 2. Turn the product off, reseat the wireless network component, and then turn the product on. 3. If the error persists, replace the wireless network component.

• Code: 81.WX.YZ
• Display: 81.WX.YZ Embedded JetDirect Error
• Description: The product experienced an embedded HP Jetdirect print server critical error. • 81.01.00 (event code): EIO Networking Event <UVWXYZ> • 81.02.00 (event code): Wireless Networking Event <UVWXYZ> • 81.03.00 (event code): Access Point Wireless Networking Event <UVWXYZ> • 81.04.00 (event code): Jetdirect Inside Networking Event <UVWXYZ> • 81.06.00 (event code): Internal EIO Networking Event <UVWXYZ> • 81.07.00 (event code): Internal Wireless Networking Event <UVWXYZ> • 81.08.00 (event code): Internal Access Point Wireless Networking Event <UVWXYZ> • 81.09.00 (event code): Internal Jetdirect Inside Networking Event <UVWXYZ>
• Remedy: 1. Turn the product off and then on. 2. Turn the product off, reseat the EIO accessory, and then turn the product on. 3. If the error persists, replace the formatter.

• Code: 89.19.5C
• Display: 89.19.5C Error
• Description: This is a temporary firmware error that occurs every twenty-one days for the M500 and M600 products. This error does not indicate any problem with the product. NOTE: If the product power is turned off and then on again before twenty-one days elapse, this error will not occur.
• Remedy: 1. Turn the product power off and then on again to clear the error. 2. Perform a firware upgrade.

• Code: 99.00.01
• Display: 99.00.01 Upgrade not performed file is corrupt
• Description: A remote firmware upgrade (RFU) was not performed. CRC error in the firmware image (bad image).
• Remedy: Download the RFU file, and attempt the firmware upgrade again.

• Code: 99.00.02
• Display: 99.00.02 Upgrade not performed timeout during receive
• Description: A remote firmware upgrade (RFU) was not performed. I/O timeout when reading header number and size. Indicates a problem with the network environment, not the product.
• Remedy: The most common cause is an issue with the network environment. Make sure that there is a good connection to the product and attempt the firmware upgrade again, or upgrade the firmware by using the USB Easy-Access port.

• Code: 99.00.03
• Display: 99.00.03 Upgrade not performed error writing to disk
• Description: A remote firmware upgrade (RFU) was not performed. Disk error. Might indicate a hard disk problem or a hard disk failure. It might be necessary to check the connection to the hard disk or replace the hard disk.
• Remedy: 1. Download the RFU file and attempt the firware upgrade again. 2. If the error persists, perform the Clean Disk procedure in the Preboot menu. Download firmware from the Preboot menu. 3. If the error persists, replace the hard disk.