While fourth power-up icon is displayed: 7 When the download is complete, the unit begins a checksum test on download, initializes the system, and continues to display the icons until it can display the HP Digital Copier Module's main menu. 8 Initial key state and Level II failure (if any) are written to the Display Manager and are reported to the Front Panel as Boot Error XXXX. See “Boot Errors” on page 721 for a definition of XXXX. 9 The microprocessor jumps to the code in DRAM and never returns to the code in ROM. Then the Copy Module Operating System starts up in Service Mode, if the user was pressing the appropriate keys when power-up began (see Step 3), or the main menu is displayed.
Note Icons are drawn at the start of the stage. If the stage fails, the icon will be overdrawn with the error icon. C4265-90907 Copy Module Power Up Process 243