HP d640 HP D640 High-Volume Printer - User Manual (Printer and Accessories), C - Page 214
D640 Installation Manual, NVRAM EEPROM.
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Print Messages Call Engineer Error Messages and Codes Error Message EEPROM alarm VS alarm Prepick alarm VR alarm (time-out) HCI table decent alarm HCI table ascent alarm Code SVC B4 SVC B5 SVC B6 SVC B7 SVC C4 SVC C5 Description Action The mechanism controller detected a problem with the NVRAM (EEPROM). A return signal from the main controller was not received by the mechanism controller during the normal response time. A return signal from the main controller was not received by the mechanism controller during the normal response time. A return signal from the mechanism controller was not received during the normal response time. The HCI encountered an error when the HCI's table was being lowered. The HCI encountered an error when the HCI's table was being raised. Turn the printer off for at least 30 seconds, and turn the printer on again. If this error code returns, call your service representative. Turn the printer off for at least 30 seconds, and turn the printer on again. If this error code returns, call your service representative. Turn the printer off for at least 30 seconds, and turn the printer on again. If this error code returns, call your service representative. Turn the printer off for at least 30 seconds, and turn the printer on again. If this error code returns, call your service representative. Refer to "Clearing HCI Jams" on page 3-32 to locate and remove any paper that may be jammed inside the HCI. Look for any paper stuck at the lower left side as you open the HCI's door. Reattach the HCI to the printer and close the HCI's door. Press Clear. If this error code returns, call your service representative. Refer to "Clearing HCI Jams" on page 3-32 to locate and remove any paper that may be jammed inside the HCI, in particular look for any paper stuck at the lower left side as you open the HCI's door. Reattach the HCI to the printer and close the HCI's door. Press Clear. If this error code returns, call your service representative. HCO stacker alarm SVC D8 This code indicates an error with the HCO. Verify the following: (1) the HCO interface cable is connected to the printer, (2) the HCO's power cable is plugged into an working AC outlet, and (3) the HCO's power switch is turned on. (Refer to the D640 Installation Manual for this information). Press Clear. If this error code returns, call your service representative. Disconnect the HCO interface cable and power the printer off and on to continue using the printer without the HCO. Printer Messages A-13