HP Color LaserJet CM4730 Service Manual - Page 572
Replacement parts configuration, Formatter and DC controller
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Replacement parts configuration When the following parts are replaced, perform the procedures in this section. ● Formatter and DC controller ● Formatter (new or previously installed in another MFP) ● DC controller (new or previously installed in another MFP) NOTE: The HP Color LaserJet CM4730 MFP stores MFP configuration information in the compact flash memory. Always print a configuration page before and after (wait five minutes after the MFP power is turned on) installing the parts in the above list to verify that the MFP configuration information is restored from the compact flash memory to the NVRAM. Formatter and DC controller WARNING! Do not replace the formatter and the DC controller at the same time. If the formatter and DC controller must both be replaced, install a replacement formatter first and make sure that you install the compact flash memory from the removed formatter on the replacement formatter before you turn the MFP power on. If the formatter and DC controller need to be replaced, install a replacement formatter first. The HP Color LaserJet CM4730 MFP stores MFP configuration information in the compact flash memory. The compact flash memory from the removed formatter must be installed on the replacement formatter, so that MFP configuration information (for example, the duplexing option, page counts, and serial number) can be restored to the formatter and DC controller. After replacing the formatter and installing the compact flash, turn the MFP power on. When the Ready message appears on the control panel display, you must wait five minutes before using the MFP so that the MFP configuration information can be restored from the compact flash memory to the NVRAM. Turn the MFP power off, and replace the DC controller. Turn the MFP power on. When the Ready message appears on the control panel display, wait five minutes before using the MFP so that the MFP configuration information can be restored from the compact flash memory to the NVRAM. After installing the replacement formatter and DC controller, perform a full calibration procedure three times. See Calibrate the MFP on page 604. Formatter (new or previously installed in another MFP) The HP Color LaserJet CM4730 MFP stores MFP configuration information in the compact flash memory. The compact flash memory from the removed formatter must be installed on the replacement formatter, so that MFP configuration information (for example, the duplexing option, page counts, and serial number) can be restored to the formatter and DC controller. After replacing the formatter and installing the compact flash, turn the MFP power on. When the Ready message appears on the control panel display, you must wait five minutes before using the MFP so that the MFP configuration information can be restored from the compact flash memory to the NVRAM. After installing the replacement formatter, perform a full calibration procedure three times. See Calibrate the MFP on page 604. DC controller (new or previously installed in another MFP) After replacing the DC controller, turn the MFP power on. When the Ready message appears on the control panel display, you must wait five minutes before using the MFP so that the MFP configuration 552 Chapter 6 Problem solving ENWW