HP CM3530 Service Manual - Page 536

NVRAM initialization CAUTION: Initializing NVRAM resets the serial number, the event log, the page counts, the calibration settings, and the EIO card. Use the Service menu to restore the serial number and page counts. You also need to reconfigure any computers that print to this product to recognize the product. Initialize NVRAM only when absolutely necessary. In most situations, use a cold reset to reset product variables but still retain the needed values in the Service menu. NOTE: Before performing an NVRAM initialization, print a menu map and a configuration page. Use the information on these pages to reset any customer-specific settings. From the configuration page and supplies status page, gather the following information: ● Total page count and color page count ● Serial number 1. Turn the product off. 2. Press and hold 9, turn the power on, wait for all three LEDs to stay on. This might take up to 20 seconds (release the 9 key). 3. Press and release 3, and then press and release Start. 4. Use the 3 and 9 keys to scroll to NVRAM INIT (this message appears in the upper-left corner of the display). 5. Press and release 6 to start the initialization. Restore factory settings (cold reset) Before beginning, print a configuration page and supplies status page. Use these pages to verify that the resets have occurred. 1. Turn the product offn. 2. Press and hold 6, turn the power on, wait for all three LEDs to stay on. This might take up to 20 seconds (release the 6 key). 3. Use the 3 and 9 keys to scroll to Cold Reset (this message appears in the upper-left corner of the display). 4. Press the 6 key to start the cold reset. 506 Chapter 7 Solve problems ENWW