HP 8000dn Service Manual - Page 352
Troubleshooting Process, Table 7-1. Major Steps for Troubleshooting
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Troubleshooting Process The troubleshooting process is a systematic approach that addresses the major problems first and then other problems as you identify the causes for printer malfunctions and errors. The Troubleshooting Process, figure 7-1 on page 330 and figure 7-2 on page 331, illustrates the major steps for troubleshooting the printing system. Each heading depicts a major troubleshooting step. A YES answer to the questions allows you to proceed to the next major step. A NO answer indicates that additional testing is needed. Proceed to the referenced location and follow the directions for that area. After completing the additional testing, proceed to the next major step. The following list describes the basic questions for the customer and the corresponding troubleshooting step to help you quickly define the problem(s). Table 7-1. Major Steps for Troubleshooting "Display" on page 336 Does the display panel indicate , , or ? Contains the procedures for correcting control panel messages and displaying and correcting Event Log codes. "Information Will the printer print a configuration page successfully? Pages" on page 340 Contains the procedures for printing the configuration page and evaluating and correcting system configuration. "Image Quality" on Does the print quality meet customer expectations? page 394 Contains the image quality comparison tables, cleaning procedures, toner cartridge checks, and High-voltage Power Supply checks. "Event Log" on page 336 Are there recurring problems in the Event Log? Contains information about printing the Event Log and evaluating the error history. "Communication" on page 346 Can the customer print from the host system successfully? Describes how to determine if the printer is communicating properly with the host system. "Troubleshooting Checks" on page 412 Will the printer print from all sources to all destinations, and have all of the errors in the Event Log been addressed? Contains procedures for verifying the overall printer system operation. 328 Chapter 7 Troubleshooting EN