HP Color LaserJet 8500 Service Manual - Page 389

Table 41. Numbered printer messages (continued) 68 NVRAM ERROR SETTINGS CHANGED Description: Indicates that a recoverable error has been detected in the NVRAM. Values for some NVRAM settings were found to be illegitimate in form and were set back to their default value. 68 NVRAM FULL SETTINGS LOST Event log message: 68.00.00 Action: 1 Verify the printer control panel settings. One or more fields have been reset to their factory defaults during the error recovery. 2 Perform a factory defaults reset (see page 92). 3 Perform a cold reset (see page 431). Event log message: 68.00.01 Description: Indicates that the NVRAM is full, and the printer is unable to write new data to the NVRAM. Action: Verify the printer control panel settings. One or more fields might have been reset to their factory defaults during error recovery. The next time the printer is turned off and on, NVRAM will be cleared and all factory defaults will be restored. 79 SERVICE CYCLE POWER Event log message: 79. Description: The firmware has detected a hardware failure within the formatter. This failure can be caused by defective EIO devices and communication ports Action: 1 Turn the printer off. Disconnect all communication cables and EIO cards. Turn the printer back on. Description 01 = IO ASIC register error 02 = Video ASIC register error 03 = IDE ASIC register error 2 Run extended formatter diagnostics from the Service Mode Menu to troubleshoot the failure. 3 If the problem persists without the communications connected, replace the formatter board. 8. (event log message) EIO card error See EIO NOT FUNCTIONAL in table 42 on page 398. EN Printer message troubleshooting 387