HP d640 HP D640 High-Volume Printer - User Manual (Printer and Accessories), C - Page 113

Handling Error Messages and Troubleshooting Error Reporting/Action Response Refer to "Error Messages" on page A-7, for how to interpret error messages. In the unlikely event that the printer has a major error, follow these steps: 1. The printer may self-diagnose the problem and possibly display the message as shown in Figure 3-71. 2. Write down the error code and message that appears on the Control Panel. 3. Refer to "Call Engineer Error Messages and Codes" on page A-8 to determine the meaning of the error code. 4. If the error code calls attention to a specific physical component or location on the printer, check the area specified and correct the problem. 5. If you cannot resolve the problem, call your service representative. Be prepared to give the service representative the error code and any messages that appear on the Control Panel to assist in troubleshooting. Blinking Error code High-voltage power supply alarm Call Engineer (SVC 6F) PCL Offlliinnee Clear Menu LTR LTR LTR End Figure 3-71 Call Engineer (Service Representative) 3-50 Printer Tasks