HP LaserJet Enterprise M552 - 81.WX.YY EIO Error To continue turn off then on; 82.73.46, 82.73.47; 90.XX.YY error messages; 90.15.00

4. Reconnect the RJ45 cable.
5. If the error persists, replace the formatter.
81.WX.YY EIO Error To continue turn o then on
Description
An external I/O card has failed on the product.
Recommended action
1. Turn the printer o, and then on.
2. Remove the RJ45 cable.
3. Turn the printer o, and then on. Is the error still present?
4. Reconnect the RJ45 cable. Does the error come back?
5. If the error is present when the RJ45 cable is NOT connected replace the EIO Card.
If error is present with RJ45 cable connected, the ask the end user to try another cable or check the
network settings.
82.73.46, 82.73.47
Description
A hard disk or compact ash disk cleaning failed. This error is usually caused by a failure of the disk hardware.
Recommended action
1. Turn the product o, and then on.
2. Use the Format Disk item in the Preboot menu.
3. Reload the rmware.
90.XX.YY error messages
90.15.00
Description
The video interface has been detected.
Communication with the Control Panel has been detected.
This message is a normal part of booting up and establishing communication with the control panel.
Recommended action
No action necessary.
90.15.01
Description
The video interface has NOT been detected.
350 Chapter 2 Solve problems ENWW