HP 4550 Service Manual - Page 293
Usage Interpreting the usage
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Usage page The usage page lists a page count for each size of media that has passed through the printer. This page count includes the number of pages that were printed on one side, the number that were printed on two sides (duplexed), and totals of the two printing methods for each media size. It also lists the average percentage of page coverage for each toner color. To print the usage page 1 On the printer control panel, press MENU until INFORMATION MENU appears. 2 Press ITEM until PRINT USAGE PAGE appears. 3 Press SELECT to print the usage page. After the process is completed, the printer will return to the READY state. Interpreting the usage page The following sample illustrates a usage page. Figure 7-15 Usage page 1 Usage totals (all media sizes) 2 Black coverage 3 Cyan coverage 4 Yellow coverage 5 Magenta coverage 1 2 3 4 C7085-90921 Chapter 7 Troubleshooting 291