Troubleshooting with control-panel messages Control panel lights J OB G O Figure 155. Control panel layout Control-panel light messages Light patterns provide status and error messages. The lights can be in any one of the following states: Off On Blinking Figure 156. Light states The following control-panel light patterns indicate various conditions of the printer in preparation for, or during, printing. If the Attention light is blinking, the printer is experiencing an error. The messages are grouped according to error type: status, attendance, continuable, fatal, and accessory errors. In many cases the error provides specific information about the defective component.
If the printer lights indicate a continuable, fatal, or accessory error, press G O and J OB C ANCEL simultaneously to display additional error information. The lights flash briefly to indicate transitions in error states before displaying the next pattern. See "Continuable, fatal, and accessory errors" page 184 for secondary information about each of these three types of errors. Note Secondary information about 79 fatal errors (unrecoverable firmware errors) is not included in the scope of this document. If a 79 fatal error occurs, replace the formatter. 182 Chapter 7 Troubleshooting C7058-90936 CANCEL on ention light ady light light ton