HP 8100n HP LaserJet 8100, 8100 N, 8100 DN Printers - User Guide - Page 202

Chapter 5 Problem Solving 202 Printer Messages (continued) Message EIO n DISK NOT FUNCTIONAL Explanation or Recommended Action The EIO disk is not working correctly. Remove the EIO disk from the slot indicated. Replace it with a new EIO disk. EIO n INITIALIZING alternates with DO NOT POWER OFF Wait for the message to disappear (approximately 5 minutes). If the printer EIO card is operating correctly and communicating with the network, this message disappears after approximately one minute and no action is required. If the EIO card is unable to communicate with the network, this message remains for five minutes and then disappears. In this case the printer is not communicating with the network (even though the message is no longer present). The problem may be a bad EIO card, a bad cable or connection on the network, or a network problem. Contact your network administrator. EIO n DISK SPINNING UP The disk accessory card takes a long time to initialize. The first parameter is the accessory slot number for this accessory card. Understanding Printer Messages