HP Color LaserJet 9500 Service Manual - Page 418
Control panel and event log message format, Event log Print an event log
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Note Control panel and event log message format The control panel messages have the following format: z 13.XY.ZZ JAM INSIDE DUPLEXER z 40 EIO X BAD TRANSMISSION The equivalent event log messages have the following format: z 3 0 13.xy.zz JAM INSIDE DUPLEXER z 1 0 40.00.00 0 EIO X BAD TRANSMISSION Print a configuration page to identify the input or output device that is configured. Notice that the error format only identifies the Jet-Link device number and the device type; it does not identify the input or output device. Event log page Use the event log to diagnose and troubleshoot printer errors and intermittent failures. You can print or show the event log from the control panel (select PRINT EVENT LOG or SHOW EVENT LOG). The event log is a first in, first out (FIFO) ordered listing of the last 50 events. The printed event log is printed in four columns that show event number, page count, error code, and description or personality. The description or personality gives detail to the error messages. This information is more useful for troubleshooting. The following items are tracked and shown on the event log: z critical errors (some errors that do not appear on the control panel) z jams z sensors sensing out of range z unexpected media size z complex pages z buffer overflow Print an event log The printer internal event log stores the 50 most recent events, and can be printed at any time. To print the event log: 1 Press or MENU (MFP version) to open the menus. 2 Use or to scroll to DIAGNOSTICS, and then press . 3 Use or to scroll to PRINT EVENT LOG, and then press . 4 The event log prints. The message PRINTING EVENT LOG appears on the control panel. 416 Chapter 7 Troubleshooting ENWW