HP 2700n Service Manual - Page 204
Service Error, System Setup - error 79
View all HP 2700n manuals
Add to My Manuals
Save this manual to your list of manuals |
Page 204 highlights
Control-panel message 79 Error Turn off then on 79 Service Error Turn off then on Color disabled Using black only alternates with Ready Device error Press OK Door open Engine comm. error HP supplies installed Description A critical hardware error has occurred. The DIMM is not compatible. Recommended action 4. Replace the ETB. 5. Replace the high-voltage power supply PCA. 1. Turn the printer off and then on. 2. Reseat the firmware DIMM. 3. Reseat the formatter. 4. Replace the firmware DIMM. 5. Replace the formatter. Install a supported DIMM. See Accessories and supplies on page 239. The printer is set to print in black only, but the Enable color printing on the System Setup job is in color. menu. Open the Print quality menu and set Restrict color to Enable color. A beam-detect error has occurred. 1. Press OK to continue. 2. If the message persists, turn the printer off then on. If the top cover and front door are closed, the problem might be with the connections for the door-detection switch. Close the top cover and front door. 1. Make sure the top cover and front door are closed. 2. If the message persists, make sure the following connectors are seated correctly: On the driver PCA, connectors J201, J202, and J203. On the DC controller, connectors J1022 and J1024. 3. Replace the DC controller PCA. The printer experienced an internal communication error. NOTE This is a warning message only. Output might be affected. 1. Plug the printer into a different power outlet. 2. Try a different power cord. 3. Disconnect all cables except the power cord. Turn the printer off and then on. 4. Make sure all orange packing material has been removed from inside the printer. A new HP cartridge has been installed. The printer returns to the Ready state after approximately 5 seconds. No action necessary. 186 Chapter 6 Troubleshooting ENWW