HP C7769B Service Manual - Page 114
Print Quality, Print Quality Troubleshooting Checklist
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Print Quality Print Quality Print Quality Troubleshooting Checklist When faced with a Print Quality problem, use the following checklist as a guide in troubleshooting the problem: 1 Problem reproduction n Reproduce the problem that the customer is seeing using their original settings. 2 Printer configuration n Print Mode: Set to Best (in the driver). n Dry time: Set to Automatic. n Select the correct media setting when loading the media. 3 Hardware check list Firmware Revision n Check if the latest version of the firmware is installed. If not update the Printer with the latest firmware revision. 4 Printheads Printhead Troubleshooting Process n If you don't have any samples yet, reproduce the original problem with the correct printer settings. n Perform the Troubleshooting procedure using the exact settings and Media that the Customer used when faced with the Print Quality problem. Printhead Alignment and Check n Perform the Printhead Alignment using HP High-Gloss Photo Paper. If not available, use Coated media if required. 5 Media n Make sure that you use HP or HP-approved media. n Select the correct media type through the front-panel when loading it. 6 Driver print quality configuration: To clarify if the reason of the problem is related with the print mode defined with the Non-HP Driver try the following: n Print the same sample using the Non-HP driver and their normal media. n Print one of the internal demos using HP Media and configuring 6-2 HP DesignJets 500 and 800 Series Printers Service Manual